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    1. Within the entire MDS cohort, by univariate analysis (Supplementary Table 2), the following parameters were associated with worse outcomes: higher BM blasts percentage; lower hemoglobin, platelet and MCV; prior history o

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 21

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The presence of the SF3B1 K700E mutation is associated with worse overall survival (OS) outcomes in the MDS cohort, indicating its role as an independent prognostic factor.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    2. As a next step, among low-grade MDS (<5% BM blasts and <1% PB blasts) with therapy-related cases excluded, we explored to see if the differences persisted between K700E and non-K700E SF3B1mut MDS groups even after applyi

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 20

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The K700E SF3B1 mutation in low-grade MDS is associated with a trend for longer overall survival compared to non-K700E SF3B1 mutations, indicating a potential prognostic significance.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    3. Therapy-related MDS cases were distributed equally between K700E and non-K700E groups. Within low-grade MDS (MDS-SLD, MDS-MLD and MDS-RS), we excluded therapy-related MDS cases due to a relatively higher representation o

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 19

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The K700E mutation in SF3B1 is associated with significantly better overall survival (OS) compared to SF3B1 wild-type MDS, indicating its potential prognostic value in disease outcomes.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    4. Between K700E vs. non-K700E SF3B1mut MDS categories, 9 of 39 (23%) K700E SF3B1mut MDS patients died compared to 4 of 55 (7%; p=0.02) non-K700E patients; findings were similar in low-grade MDS patients (16% vs. 3%, p=0.04

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 18

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The K700E mutation in SF3B1mut MDS is associated with a significantly improved overall survival (OS) compared to non-K700E patients, indicating its prognostic relevance in disease outcome.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    5. Within the MDS-EB categories, compared to SF3B1wt, there were no significant differences in OS of K700E SF3B1mut (median OS, not reached vs. 17 7 month, p=0 355) and non-K700E SF3B1mut (median OS, 20 5 vs. 17 7 months; p

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 17

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The K700E SF3B1 mutation does not show significant differences in overall survival (OS) compared to other SF3B1 mutations, indicating it may not correlate with disease outcome independent of therapy.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    6. The majority of patients in all 3 categories were treated with an HMA: 16/17 (94%) K700E mutated patients; 16/19 (84%) non-K700E mutated patients; and 217/277 (78%) SF3B1wt patients. The treatment details are provided in

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 16

      Evidence Type(s): Prognostic, Oncogenic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The K700E mutation in SF3B1 is associated with significantly better overall survival (OS) outcomes in MDS patients compared to SF3B1 wild-type patients, indicating its prognostic value. Evidence Type: Oncogenic | Mutation: K700E | Summary: The K700E mutation contributes to tumor development or progression in MDS, as evidenced by its association with improved survival outcomes in patients with this mutation compared to those without.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    7. Using rMATS, we identified the five most frequent types of alternative splicing events (alternative 5' splice site, A5SS; alternative 3' splice site, A3SS; mutually exclusive exon, MXE; retained intron, RI and skipped ex

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 14

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: K700E | Summary: The SF3B1 K700E mutation is associated with distinct alternative splicing events and altered molecular functions in myelodysplastic syndromes (MDS), indicating its role in splicing and mRNA processing. Evidence Type: Oncogenic | Mutation: K700E | Summary: The SF3B1 K700E mutation contributes to tumor development and progression in myelodysplastic syndromes (MDS) by influencing the frequency and type of alternative splicing events.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    8. Splicing analysis between K700E and non-K700E mutated MDS

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 13

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: K700E | Summary: The passage suggests that splicing analysis is being conducted to compare the K700E mutation with non-K700E mutated MDS, indicating that the K700E variant may alter molecular or biochemical function related to splicing.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    9. There were no significant differences in normal vs. complex karyotype. When cytogenetic aberrations were classified using the comprehensive cytogenetic scoring system (CCSS; scores from 0-5), SF3B1mut K700E mutated patie

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 12

      Evidence Type(s): Prognostic, Diagnostic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The K700E mutation in SF3B1 is associated with lower comprehensive cytogenetic scoring system (CCSS) scores, indicating a potential correlation with disease outcome in patients. Evidence Type: Diagnostic | Mutation: K700E | Summary: The presence of the K700E mutation helps classify patients into different categories based on their cytogenetic aberrations, distinguishing them from non-K700E MDS patients.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    10. There was no difference in the median SF3B1 variant allele frequency (VAF) between the 2 groups. The frequency of RUNX1 mutation was significantly higher in non-K700E cases (26% vs. 7 3%, p=0 012), and mutations in BCOR

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 11

      Evidence Type(s): None

      Summary: Not enough information in this passage.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    11. We compared the clinico-pathologic features of 55 K700E vs. 39 non-K700E treatment naive SF3B1mut MDS patients (Table 2). MDS with SF3B1 K700E mutations had a higher percentage of ring sideroblasts (median 50% vs. 34%; p

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 10

      Evidence Type(s): Diagnostic, Prognostic, Oncogenic

      Summary: Evidence Type: Diagnostic | Mutation: K700E | Summary: The K700E mutation is associated with specific clinico-pathologic features that help classify and define the subtype of MDS in patients. Evidence Type: Prognostic | Mutation: K700E | Summary: The presence of the K700E mutation correlates with certain clinical features, such as a higher percentage of ring sideroblasts and ANC, which may indicate disease outcome independent of therapy. Evidence Type: Oncogenic | Mutation: K700E | Summary: The K700E mutation contributes to the development and progression of MDS, as indicated by its association with specific clinical features and classifications.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    12. Comparison between SF3B1 K700E and non-K700E mutated MDS

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Diagnostic

      Summary: Evidence Type: Diagnostic | Mutation: K700E | Summary: The comparison between SF3B1 K700E and non-K700E mutated MDS suggests that the K700E variant may be used to classify or define a subtype of myelodysplastic syndromes (MDS).

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    13. BM aspirates from all patients underwent NGS analysis with an 81-gene panel at the time of diagnosis. The most frequent SF3B1 mutation, noted in ~60% of all patients, was the hotspot K700E. Among the remaining mutations

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: K700E | Summary: The K700E mutation in SF3B1 is noted as the most frequent mutation in patients, indicating its contribution to tumor development in myelodysplastic syndromes (MDS).

      Gene→Variant (gene-first): 23451:K666 23451:K700E 23451:R625

      Genes: 23451

      Variants: K666 K700E R625

    14. Mutational landscape of SF3B1mut MDS (K700E and non-K700E subtypes)

      [Paragraph-level] PMCID: PMC10015977 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Diagnostic

      Summary: Evidence Type: Diagnostic | Mutation: K700E | Summary: The K700E mutation is mentioned in the context of defining and classifying subtypes of MDS, indicating its role in diagnostic criteria.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    15. Myelodysplastic syndromes with SF3B1 mutations are regarded to have a favorable prognosis by both WHO and the International Working Group for Prognostication of MDS (IWG-PM). However, in this article, we show that only M

      [Paragraph-level] PMCID: PMC10015977 Section: ABSTRACT PassageIndex: 12

      Evidence Type(s): Prognostic, Diagnostic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The K700E mutation in SF3B1 is associated with a favorable prognosis in myelodysplastic syndromes, indicating its relevance in predicting disease outcomes. Evidence Type: Diagnostic | Mutation: K700E | Summary: The K700E mutation is used to refine the sub-classification and risk assessment criteria for myelodysplastic syndromes, highlighting its role in defining disease characteristics.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    16. Myelodysplastic syndromes (MDS) with K700E and non-K700E SF3B1 mutations show distinct clinicopathological and genomic characteristics, with only SF3B1 K700E mutated MDS showing a significantly better OS compared to non-

      [Paragraph-level] PMCID: PMC10015977 Section: ABSTRACT PassageIndex: 10

      Evidence Type(s): Prognostic, Diagnostic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The K700E mutation in SF3B1 is associated with significantly better overall survival (OS) in patients with myelodysplastic syndromes (MDS) compared to non-K700E mutations, indicating its prognostic value. Evidence Type: Diagnostic | Mutation: K700E | Summary: The presence of the K700E mutation in SF3B1 is important for risk-assessment in myelodysplastic syndromes (MDS), suggesting its role in classifying the disease.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    17. Fifty-five (60%) patients carried K700E. Recurrent non-K700E mutations (39, 40%) included R625, H662 and K666. Compared to SF3B1mut-K700E, non-K700E patients had a lower median ANC (1 8 vs. 2 4, p=0 005) and were frequen

      [Paragraph-level] PMCID: PMC10015977 Section: ABSTRACT PassageIndex: 6

      Evidence Type(s): Oncogenic, Prognostic

      Summary: Evidence Type: Oncogenic | Mutation: K700E | Summary: The K700E mutation is associated with superior overall survival in patients with MDS, indicating its role in tumor development or progression. Evidence Type: Prognostic | Mutation: K700E | Summary: The presence of the K700E mutation correlates with improved overall survival outcomes in MDS patients compared to those without this mutation. Evidence Type: Oncogenic | Mutation: R625 | Summary: The R625 mutation is part of recurrent non-K700E mutations associated with MDS, suggesting its contribution to tumor development or progression. Evidence Type: Prognostic | Mutation: R625 | Summary: The presence of R625, as a recurrent mutation, may correlate with disease outcomes in MDS patients, independent of therapy.

      Gene→Variant (gene-first): 23451:K666 23451:K700 23451:K700E 23451:R625

      Genes: 23451

      Variants: K666 K700 K700E R625

    18. We analyzed the clinical-pathologic features and outcomes of a single-institutional series of 94 (19%) SF3B1mut and 415 SF3B1wt treatment-naive MDS patients and explored the differences between K700E and non-K700E.

      [Paragraph-level] PMCID: PMC10015977 Section: ABSTRACT PassageIndex: 4

      Evidence Type(s): Diagnostic, Prognostic

      Summary: Evidence Type: Diagnostic | Mutation: K700E | Summary: The passage discusses the analysis of clinical-pathologic features and outcomes in MDS patients, indicating that K700E is used to explore differences in disease characteristics, which supports its role in diagnostic classification. Evidence Type: Prognostic | Mutation: K700E | Summary: The mention of outcomes in the context of K700E suggests that this variant may correlate with disease outcomes, supporting its prognostic significance in treatment-naive MDS patients.

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    19. SF3B1 mutations (SF3B1mut) in myelodysplastic syndromes (MDS) frequently involve codon K700E and have a favorable prognosis. The prognostic effect of non-K700E SF3B1mut is uncertain.

      [Paragraph-level] PMCID: PMC10015977 Section: ABSTRACT PassageIndex: 2

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: K700E | Summary: The K700E mutation in SF3B1 is associated with a favorable prognosis in myelodysplastic syndromes (MDS).

      Gene→Variant (gene-first): 23451:K700E

      Genes: 23451

      Variants: K700E

    1. PTEN expression loss was found in 18 patients (31.6%, Figure 2a). Thirty-nine patients were positive for PTEN expression, in which 17 (29.8%), 14 (24.6%), and 8 (14%) specimens were weak positive, positive and strong pos

      [Paragraph-level] PMCID: PMC3141770 Section: RESULTS PassageIndex: 6

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: H1047R | Summary: The H1047R mutation is associated with tumor development or progression, as indicated by its presence in patients with PTEN loss, suggesting a role in oncogenesis.

      Gene→Variant (gene-first): 5290:H1047R

      Genes: 5290

      Variants: H1047R

    2. The overall incidence of PIK3CA mutations was 12.3% (7 in 57 samples). The majority of mutations occurred at two hotspots, H1047R (7%, 4 samples) at exon 20 encoding the kinase domain (Figure 1a), and E542K (1.8%, 1 samp

      [Paragraph-level] PMCID: PMC3141770 Section: RESULTS PassageIndex: 5

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: E542K | Summary: The E542K mutation is identified as a somatic variant that contributes to tumor development or progression, occurring in a sample from a patient. Evidence Type: Oncogenic | Mutation: H1047R | Summary: The H1047R mutation is a somatic variant that is associated with tumor development or progression, found in multiple samples. Evidence Type: Oncogenic | Mutation: T1052A | Summary: The T1052A mutation is a rare somatic variant that is implicated in tumor development or progression, identified in a single tumor sample.

      Gene→Variant (gene-first): 5290:E542K 5290:H1047R 5728:T1052A

      Genes: 5290 5728

      Variants: E542K H1047R T1052A

    1. OS of EGFR-TKI treated patients was similar for 1st and 2nd-line EGFR-TKI treatment. Patients not treated with EGFR-TKI had no benefit in OS. Re-biopsies obtained at progression revealed an EGFR-T790M mutation in 73% (n=

      [Paragraph-level] PMCID: PMC5652823 Section: ABSTRACT PassageIndex: 7

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: T790M | Summary: The EGFR-T790M mutation is associated with response to the 3rd-generation EGFR-TKI osimertinib, indicating its predictive value for treatment sensitivity. Evidence Type: Oncogenic | Mutation: T790M | Summary: The presence of the EGFR-T790M mutation contributes to tumor progression, supporting its classification as an oncogenic variant.

      Gene→Variant (gene-first): 1956:T790M

      Genes: 1956

      Variants: T790M

    1. BACKGROUND: The BRAF inhibitors vemurafenib and dabrafenib are currently the standard treatment for metastatic melanoma with BRAF V600 mutations. However, given the rarity of noncutaneous melanoma, including acral and mu

      [Paragraph-level] PMCID: PMC5122709 Section: ABSTRACT PassageIndex: 1

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: BRAFV600E | Summary: The BRAFV600E mutation is associated with response to BRAF inhibitors, indicating its predictive value for treatment outcomes in metastatic melanoma. Evidence Type: Oncogenic | Mutation: BRAFV600E | Summary: The BRAFV600E mutation contributes to tumor development in metastatic melanoma, supporting its classification as an oncogenic variant.

      Gene→Variant (gene-first): 673:V600

      Genes: 673

      Variants: V600

    1. Mutations previously correlated with response were detected in five tumours, four with exon 19 deletions and one with an exon 21 missense L858R point mutation. Increased gene copy number was observed in thirteen tumours,

      [Paragraph-level] PMCID: PMC1952070 Section: ABSTRACT PassageIndex: 6

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: L858R | Summary: The L858R mutation was mentioned in the context of a study that correlated mutations with response to therapy, although it was noted that this specific mutation was found in a non-responder. Evidence Type: Oncogenic | Mutation: L858R | Summary: The L858R mutation is a known missense mutation in exon 21 that contributes to tumor development or progression, as it is associated with EGFR mutations in cancer.

      Gene→Variant (gene-first): 1956:L858R

      Genes: 1956

      Variants: L858R

    1. PIK3CA encodes the p110alpha catalytic subunit of the phosphoinositide-3-kinase heterodimer. Upon activation, PI3K phosphorylates phosphatidylinositol-4,5-bisphosphate (PIP2) at the third position, generating PIP3. PIP3

      [Paragraph-level] PMCID: PMC3542862 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: H1047R | Summary: The H1047R mutation in PIK3CA is associated with increased intracellular AKT phosphorylation, contributing to tumor development and progression. Evidence Type: Functional | Mutation: p.Glu542 | Summary: The p.Glu542 mutation in PIK3CA alters molecular function by increasing intracellular AKT phosphorylation, promoting cell survival and proliferation. Evidence Type: Oncogenic | Mutation: p.His1047 | Summary: The p.His1047 mutation in PIK3CA is linked to increased AKT phosphorylation, which is implicated in tumor development and progression.

      Gene→Variant (gene-first): 5290:H1047R 5290:p.Glu542 5290:p.His1047

      Genes: 5290

      Variants: H1047R p.Glu542 p.His1047

    2. To provide additional evidence for pathogenic PI3K somatic mutations in macrodactyly, exons 2, 10 and 21 were amplified from DNA extracted from the affected tissue of seven additional unrelated macrodactyly patients as w

      [Paragraph-level] PMCID: PMC3542862 Section: RESULTS PassageIndex: 6

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: E542K | Summary: The E542K mutation is identified as a somatic mutation in the helical domain of PIK3CA, contributing to tumor development in macrodactyly patients. Evidence Type: Oncogenic | Mutation: H1047L | Summary: The H1047L mutation is a somatic mutation located in the kinase domain of PIK3CA, associated with tumor progression in macrodactyly patients. Evidence Type: Oncogenic | Mutation: H1047R | Summary: The H1047R mutation is a somatic mutation in the kinase domain of PIK3CA, contributing to tumor development in one of the macrodactyly patients. Evidence Type: Oncogenic | Mutation: R115P | Summary: The R115P mutation, identified through exome sequencing, is located in a linker sequence and is implicated in tumor development in macrodactyly patients.

      Gene→Variant (gene-first): 5290:E542K 5290:H1047L 5290:H1047R 5163:R115P 5290:p.Glu542 5290:p.His1047

      Genes: 5290 5163

      Variants: E542K H1047L H1047R R115P p.Glu542 p.His1047

    3. Additional evidence suggested that the R115P mutation in PIK3CA (PI3K) was a likely candidate for macrodactyly. First, somatic activation of AKT, a downstream target of PI3K, was recently described in patients with Prote

      [Paragraph-level] PMCID: PMC3542862 Section: RESULTS PassageIndex: 5

      Evidence Type(s): Diagnostic, Oncogenic

      Summary: Evidence Type: Diagnostic | Mutation: R115P | Summary: The R115P mutation in PIK3CA is suggested as a likely candidate for macrodactyly, indicating its role in defining or classifying a disease. Evidence Type: Oncogenic | Mutation: R115L | Summary: The R115L mutation is associated with a squamous cell carcinoma, suggesting that mutations at p.Arg115 contribute to tumor development or progression. Evidence Type: Oncogenic | Mutation: p.Arg115 | Summary: The annotation of mutations at p.Arg115 in the context of cancer indicates their potential role in oncogenesis.

      Gene→Variant (gene-first): 5290:R115L 5163:R115P 5290:p.Arg115

      Genes: 5290 5163

      Variants: R115L R115P p.Arg115

    4. NS sequence variants were excluded as disease candidates by their (a) presence in 28 control samples sequenced by our group using a similar method, (b) presence in the exome sequence of the germline sample and (c) presen

      [Paragraph-level] PMCID: PMC3542862 Section: RESULTS PassageIndex: 4

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: C392G | Summary: The C392G variant in UBXN11 was identified as a candidate but was ultimately confirmed as a false positive, indicating it does not contribute to tumor development or progression. Evidence Type: Oncogenic | Mutation: R115P | Summary: The R115P mutation in PIK3CA was present in lesional tissue but absent in blood, suggesting it may contribute to tumor development or progression.

      Gene→Variant (gene-first): 91544:C392G 5163:R115P

      Genes: 91544 5163

      Variants: C392G R115P

    1. Four additional K-Ras mutations (Leu19Phe (1 out of 106 tumours), Lys117Asn (1 out of 106), Ala146Thr (7 out of 106) and Arg164Gln (1 out of 106)) were identified. Lys117Asn and Ala146Thr had phenotypes similar to the ho

      [Paragraph-level] PMCID: PMC2837563 Section: ABSTRACT PassageIndex: 6

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: Ala146Thr | Summary: The Ala146Thr mutation is associated with phenotypes similar to hotspot mutations, indicating its contribution to tumor development or progression. Evidence Type: Oncogenic | Mutation: Lys117Asn | Summary: The Lys117Asn mutation exhibits phenotypes similar to hotspot mutations, suggesting its role in tumor development or progression. Evidence Type: Functional | Mutation: Leu19Phe | Summary: The Leu19Phe mutation is described as having an attenuated phenotype, indicating a potential alteration in molecular or biochemical function. Evidence Type: Oncogenic | Mutation: Arg164Gln | Summary: The Arg164Gln mutation is phenotypically equivalent to wild-type K-Ras, but its presence in tumors suggests a potential role in tumor development or progression.

      Gene→Variant (gene-first): 3845:Ala146Thr 3845:Arg164Gln 3845:Leu19Phe 3845:Lys117Asn

      Genes: 3845

      Variants: Ala146Thr Arg164Gln Leu19Phe Lys117Asn

    2. Consistent with our hierarchical clustering analysis, introduction of the R164Q mutation led to relatively few changes in gene expression or showed reduced pathway activation compared with the other mutants studied. Howe

      [Paragraph-level] PMCID: PMC2837563 Section: RESULTS PassageIndex: 15

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: R164Q | Summary: The R164Q mutation showed relatively few changes in gene expression or reduced pathway activation compared to other mutants, indicating a potential alteration in molecular function. Evidence Type: Functional | Mutation: A146T | Summary: The A146T mutation influenced gene expression similarly to other activating mutations, suggesting an alteration in molecular function. Evidence Type: Functional | Mutation: K117N | Summary: The K117N mutation clustered with other mutants and influenced gene expression, indicating a potential alteration in molecular function. Evidence Type: Functional | Mutation: L19F | Summary: The L19F mutation influenced gene expression, albeit to a lesser extent than the other activating mutations, suggesting an alteration in molecular function. Evidence Type: Functional | Mutation: G13D | Summary: The G13D mutation is described as an activating mutation that influences gene expression, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: Q61H | Summary: The Q61H mutation is characterized as an activating mutation that influences gene expression, indicating an alteration in molecular function.

      Gene→Variant (gene-first): 3845:A146T 3845:G13D 3845:K117N 3845:L19F 3845:Q61H 3845:R164Q

      Genes: 3845

      Variants: A146T G13D K117N L19F Q61H R164Q

    3. To further compare and contrast the phenotypes associated with each of the K-Ras mutants, transcription-profiling experiments were carried out as described in Materials and Methods. Hierarchical clustering analysis revea

      [Paragraph-level] PMCID: PMC2837563 Section: RESULTS PassageIndex: 13

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: A146T | Summary: The A146T mutation is associated with distinct phenotypic characteristics as indicated by transcription-profiling experiments, suggesting it alters molecular function. Evidence Type: Functional | Mutation: G12C | Summary: The G12C mutation is part of a gene cluster that shows similarity to wild-type K-Ras, indicating it may alter molecular function. Evidence Type: Functional | Mutation: G12D | Summary: The G12D mutation is included in a gene cluster that suggests it alters molecular function, as evidenced by transcription-profiling experiments. Evidence Type: Functional | Mutation: G12V | Summary: The G12V mutation is part of a gene cluster that indicates it alters molecular function, as shown by transcription-profiling experiments. Evidence Type: Functional | Mutation: G13D | Summary: The G13D mutation is associated with distinct phenotypic characteristics, suggesting it alters molecular function based on clustering analysis. Evidence Type: Functional | Mutation: K117N | Summary: The K117N mutation clusters with activating mutations, indicating it alters molecular function as suggested by transcription-profiling data. Evidence Type: Functional | Mutation: L19F | Summary: The L19F mutation is part of a subcluster that suggests it alters molecular function, consistent with Ras GTPase assay data. Evidence Type: Functional | Mutation: R164Q | Summary: The R164Q mutation, while initially surprising in its clustering, suggests an 'activating' phenotype, indicating it alters molecular function.

      Gene→Variant (gene-first): 3845:A146T 3845:G12C 3845:G12D 3845:G12V 3845:G13D 3845:K117N 3845:L19F 3845:R164Q

      Genes: 3845

      Variants: A146T G12C G12D G12V G13D K117N L19F R164Q

    1. We investigated whether the above large-scale patterns characterize all KRAS, HRAS and NRAS hotspot variants, by projecting the amino acid substitutions at G12, G13 and Q61 and observed an overall similar pattern, but wi

      [Paragraph-level] PMCID: PMC8688876 Section: RESULTS PassageIndex: 20

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: G12 | Summary: The G12 variant is associated with alterations in molecular function, particularly in relation to GAP-mediated hydrolysis and GTP-binding domain activity. Evidence Type: Functional | Mutation: G13 | Summary: The G13 variant exhibits changes in biochemical properties that affect RAF affinity and may influence downstream signaling mechanisms. Evidence Type: Functional | Mutation: Q61 | Summary: The Q61 variant is implicated in functional differences related to GTP hydrolysis and signaling pathways, as indicated by its interaction with RAS proteins.

      Gene→Variant (gene-first): 3845:G12 3845:G13 3845:Q61

      Genes: 3845

      Variants: G12 G13 Q61

    2. To visualize the relative changes in GAP-mediated hydrolysis and RAF affinity across all 935 RAS family variants, we extended PHATE to 2D and followed a similar procedure as above. 2D PHATE for GAP-mediated hydrolysis (F

      [Paragraph-level] PMCID: PMC8688876 Section: RESULTS PassageIndex: 19

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: G12 | Summary: The G12 mutation is associated with distinct vulnerabilities to the enzyme, indicating that it alters molecular or biochemical function. Evidence Type: Functional | Mutation: G12C | Summary: The G12C mutation conveys a different level of downstream activity, suggesting it alters molecular or biochemical function. Evidence Type: Functional | Mutation: G12D | Summary: The G12D mutation has been shown to have a specific level of downstream activity, indicating an alteration in molecular or biochemical function. Evidence Type: Functional | Mutation: G13 | Summary: The G13 mutation exhibits higher induction with higher variance, suggesting it alters molecular or biochemical function. Evidence Type: Functional | Mutation: Q61 | Summary: The Q61 mutation is part of the broader distribution of KRAS hotspot variants, indicating it alters molecular or biochemical function.

      Gene→Variant (gene-first): 3845:G12 3845:G12C 3845:G12C/D 3845:G12D 3845:G13 3845:Q61

      Genes: 3845

      Variants: G12 G12C G12C/D G12D G13 Q61

    3. Additionally, we predicted relative RAF affinity changes for amino acid substitutions lacking experimental measurements (15 out of 23; Fig. 4B). These include G12S, which we predict has a decreased RAF affinity like othe

      [Paragraph-level] PMCID: PMC8688876 Section: RESULTS PassageIndex: 16

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: G12S | Summary: G12S is predicted to have a decreased RAF affinity, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: G13V | Summary: G13V is predicted to have an intermediate decrease in RAF affinity, suggesting a change in molecular function. Evidence Type: Functional | Mutation: Q61P | Summary: Q61P is predicted to have an intermediate decrease in RAF affinity, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: A59T | Summary: A59T is predicted to have an intermediate decrease in RAF affinity, suggesting a change in molecular function. Evidence Type: Functional | Mutation: A146V | Summary: A146V is predicted to have an intermediate decrease in RAF affinity, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: Q61H | Summary: Q61H shows relatively smaller changes in RAF affinity, suggesting a minor alteration in molecular function. Evidence Type: Functional | Mutation: A18D | Summary: A18D shows relatively smaller changes in RAF affinity, indicating a minor alteration in molecular function. Evidence Type: Functional | Mutation: Q22K | Summary: Q22K shows relatively smaller changes in RAF affinity, suggesting a minor alteration in molecular function. Evidence Type: Functional | Mutation: G13C | Summary: G13C is predicted to have RAF affinity comparable to WT, indicating no significant alteration in molecular function. Evidence Type: Functional | Mutation: G13S | Summary: G13S is predicted to have RAF affinity comparable to WT, indicating no significant alteration in molecular function. Evidence Type: Functional | Mutation: Q61R | Summary: Q61R is predicted to have RAF affinity comparable to WT, indicating no significant alteration in molecular function. Evidence Type: Functional | Mutation: L19F | Summary: L19F is predicted to have RAF affinity comparable to WT, indicating no significant alteration in molecular function. Evidence Type: Functional | Mutation: T74P | Summary: T74P is predicted to have RAF affinity comparable to WT, indicating no significant alteration in molecular function. Evidence Type: Functional | Mutation: K117N | Summary: K117N is predicted to have RAF affinity comparable to WT, indicating no significant alteration in molecular function. Evidence Type: Functional | Mutation: R164Q | Summary: R164Q is predicted to have RAF affinity comparable to WT, indicating no significant alteration in molecular function.

      Gene→Variant (gene-first): 3265:A146V 673:A18D 3265:A59T 3845:G12 3845:G12S 3845:G13C 3265:G13V 3845:K117N 3845:L19F 3845:Q22K 3845:Q61H 3845:Q61P 4893:Q61R 3845:R164Q 22882:T74P

      Genes: 3265 673 3845 4893 22882

      Variants: A146V A18D A59T G12 G12S G13C G13V K117N L19F Q22K Q61H Q61P Q61R R164Q T74P

    4. We investigated how the 23 KRAS variants change RAF affinity by first identifying the computational scores exhibiting strongest associations with this property (Fig. 4), all of which were from 3D structure and emphasize

      [Paragraph-level] PMCID: PMC8688876 Section: RESULTS PassageIndex: 15

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: T74P | Summary: The T74P variant alters RAF affinity, indicating a change in molecular function related to tumor development. Evidence Type: Functional | Mutation: R164Q | Summary: The R164Q variant resembles hotspot variants in terms of RAF affinity, suggesting it alters molecular function. Evidence Type: Functional | Mutation: L19F | Summary: The L19F variant shows a pattern of RAF affinity similar to other variants, indicating a change in molecular function. Evidence Type: Functional | Mutation: K117N | Summary: The K117N variant's RAF affinity profile suggests it alters molecular function in a manner similar to other variants. Evidence Type: Functional | Mutation: A18D | Summary: The A18D variant resembles other variants in RAF affinity, indicating a change in molecular function. Evidence Type: Functional | Mutation: Q22K | Summary: The Q22K variant shows a similar RAF affinity profile to other variants, suggesting an alteration in molecular function. Evidence Type: Functional | Mutation: A146T | Summary: The A146T variant's RAF affinity profile indicates a change in molecular function related to tumor development. Evidence Type: Functional | Mutation: G12R | Summary: The G12R variant clusters with other variants in terms of RAF affinity, suggesting an alteration in molecular function. Evidence Type: Functional | Mutation: A59T | Summary: The A59T variant's clustering with other variants indicates a change in molecular function related to RAF affinity. Evidence Type: Functional | Mutation: A146V | Summary: The A146V variant's RAF affinity profile suggests it alters molecular function in a manner similar to other variants. Evidence Type: Functional | Mutation: G12C | Summary: The G12C variant shows a distinct RAF affinity profile, indicating a change in molecular function. Evidence Type: Functional | Mutation: G12C/D | Summary: The G12C/D variant's RAF affinity profile suggests an alteration in molecular function. Evidence Type: Functional | Mutation: G12V | Summary: The G12V variant's RAF affinity profile indicates a change in molecular function. Evidence Type: Functional | Mutation: G12S | Summary: The G12S variant shows a distinct RAF affinity profile, indicating a change in molecular function. Evidence Type: Functional | Mutation: Q61H | Summary: The Q61H variant's RAF affinity profile suggests it alters molecular function. Evidence Type: Functional | Mutation: Q61L | Summary: The Q61L variant shows a similar RAF affinity profile to other variants, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: Q61P | Summary: The Q61P variant's RAF affinity profile indicates a change in molecular function. Evidence Type: Functional | Mutation: Q61R | Summary: The Q61R variant shows a distinct RAF affinity profile, indicating a change in molecular function. Evidence Type: Functional | Mutation: G13C | Summary: The G13C variant's RAF affinity profile suggests it alters molecular function. Evidence Type: Functional | Mutation: G13D | Summary: The G13D variant shows a similar RAF affinity profile to other variants, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: G13V | Summary: The G13V variant's RAF affinity profile indicates a change in molecular function. Evidence Type: Functional | Mutation: G13S | Summary: The G13S variant shows a distinct RAF affinity profile, indicating a change in molecular function.

      Gene→Variant (gene-first): 3845:A146T 3265:A146V 673:A18D 3265:A59T 3845:G12C 3845:G12C/D 3845:G12R 3845:G13C/D 3265:G13V 3845:K117N 3845:L19F 3845:Q22K 3845:Q61H/L 3845:Q61P 4893:Q61R 3845:R164Q 22882:T74P 22882:V/A

      Genes: 3845 3265 673 4893 22882

      Variants: A146T A146V A18D A59T G12C G12C/D G12R G13C/D G13V K117N L19F Q22K Q61H/L Q61P Q61R R164Q T74P V/A

    5. In our second approach, we used PHATE dimensionality reduction to score overall similarities among the 935 variants from 7 RAS genes. We performed 1D PHATE (PHATE1) analysis of the 5 computational scores that correlated

      [Paragraph-level] PMCID: PMC8688876 Section: RESULTS PassageIndex: 13

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: A146T | Summary: A146T is suggested to alter molecular function by modulating GAP binding and changing the probability of locally unfolded conformations, impacting GAP-mediated hydrolysis rates. Evidence Type: Functional | Mutation: A146V | Summary: A146V is indicated to affect molecular function, as it associates with higher relative GAP-mediated hydrolysis compared to A146T. Evidence Type: Functional | Mutation: A59T | Summary: A59T is mentioned in the context of comparing its effects to G13D and Q61H, suggesting it may alter molecular function related to GAP-mediated hydrolysis. Evidence Type: Functional | Mutation: K117N | Summary: K117N is noted to have comparable effects to G13D and Q61H, indicating a potential alteration in molecular function. Evidence Type: Functional | Mutation: G12A/R | Summary: G12A/R is associated with comparable effects to G12S and is implicated in altering molecular function related to GAP-mediated hydrolysis. Evidence Type: Functional | Mutation: G12D | Summary: G12D is discussed in the context of conflicting reports regarding its effects, suggesting it may alter molecular function. Evidence Type: Functional | Mutation: G12S | Summary: G12S is indicated to have comparable effects to G12A/R and is involved in altering molecular function related to GAP-mediated hydrolysis. Evidence Type: Functional | Mutation: G13C | Summary: G13C is suggested to have a relatively lower effect compared to G13V, indicating a potential alteration in molecular function. Evidence Type: Functional | Mutation: G13D | Summary: G13D is mentioned in the context of its effects on GAP-mediated hydrolysis, suggesting it may alter molecular function. Evidence Type: Functional | Mutation: G13V | Summary: G13V is indicated to have a significant effect on GAP-mediated hydrolysis, suggesting an alteration in molecular function. Evidence Type: Functional | Mutation: L19F | Summary: L19F is compared to G13D and Q61H, indicating a potential alteration in molecular function. Evidence Type: Functional | Mutation: Q61H | Summary: Q61H is mentioned in relation to its effects on GAP-mediated hydrolysis, suggesting it may alter molecular function.

      Gene→Variant (gene-first): 3845:A146T 3265:A146V 673:A18D 3265:A59T 3845:G12A/R 3845:G12D 3845:G12S 3845:G13C 3845:G13D 3265:G13V 3845:K117N 3845:L19F 3845:Q22K 3845:Q61H 22882:T74P

      Genes: 3845 3265 673 22882

      Variants: A146T A146V A18D A59T G12A/R G12D G12S G13C G13D G13V K117N L19F Q22K Q61H T74P

    6. In our first approach, we examined patterns among five computational scores (one protein sequence and four 3D structure-based scores) that correlate with the GAP-mediated hydrolysis rate (Fig. 3A and B). All four structu

      [Paragraph-level] PMCID: PMC8688876 Section: RESULTS PassageIndex: 12

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: A146V | Summary: The A146V mutation is associated with alterations in local stability and may modulate local unfolding, indicating a change in molecular function. Evidence Type: Functional | Mutation: G13C | Summary: The G13C mutation is part of a group of variants that relate to local stability and may affect local unfolding, suggesting a functional impact. Evidence Type: Functional | Mutation: G13V | Summary: The G13V mutation is included in a cluster of variants that influence local stability and local unfolding probabilities, indicating a functional alteration. Evidence Type: Functional | Mutation: K117N | Summary: The K117N mutation is identified as a non-hotspot variant that may affect local stability and local unfolding, suggesting a change in molecular function.

      Gene→Variant (gene-first): 3265:A146V 3845:G13C 3265:G13V 3845:K117N

      Genes: 3265 3845

      Variants: A146V G13C G13V K117N

    7. Because genetic variation outside of classic somatic hotspots has received relatively little attention, we next sought to quantify similarities among them by combining information across different experimental measuremen

      [Paragraph-level] PMCID: PMC8688876 Section: RESULTS PassageIndex: 5

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: A146T | Summary: The variant A146T is associated with increased GTP binding, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: A146T/V | Summary: The variant A146T/V shows differences in behavior compared to hotspot variants, suggesting a functional impact on molecular activity. Evidence Type: Functional | Mutation: A59T | Summary: The variant A59T has a distinct profile among the mutants, indicating a potential alteration in molecular function. Evidence Type: Functional | Mutation: G12A/R | Summary: The G12A/R variant is part of a cluster that shows similarities with other variants, suggesting functional implications. Evidence Type: Functional | Mutation: G12A/R/S | Summary: The G12A/R/S variant is included in a cluster with other variants, indicating potential functional relevance. Evidence Type: Functional | Mutation: G12V/D | Summary: The G12V/D variant is associated with increased GTP binding, suggesting an alteration in molecular function. Evidence Type: Functional | Mutation: G13C | Summary: The G13C variant is part of a cluster that indicates functional similarities with other variants. Evidence Type: Functional | Mutation: G13V/D | Summary: The G13V/D variant is included in a cluster that suggests functional implications. Evidence Type: Functional | Mutation: K177N | Summary: The K177N variant is associated with increased GTP binding, indicating a potential alteration in molecular function. Evidence Type: Functional | Mutation: L19F | Summary: The L19F variant shows similarities with hotspot variants, suggesting functional relevance. Evidence Type: Functional | Mutation: Q22K | Summary: The Q22K variant is associated with increased GTP binding, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: Q61 | Summary: The Q61 variant is part of a cluster that indicates functional implications. Evidence Type: Functional | Mutation: Q61H | Summary: The Q61H variant is associated with increased GTP binding, suggesting a potential alteration in molecular function. Evidence Type: Functional | Mutation: Q61L/P | Summary: The Q61L/P variant is included in a cluster that suggests functional implications. Evidence Type: Functional | Mutation: R164Q | Summary: The R164Q variant behaves like wild-type KRAS, indicating a potential alteration in molecular function. Evidence Type: Functional | Mutation: T74P | Summary: The T74P variant shows similarities with hotspot variants, suggesting functional relevance.

      Gene→Variant (gene-first): 3845:A146T 3845:A146T/V 3265:A59T 3845:G12A/R 3845:G12A/R/S 3845:G12V/D 3845:G13C 3845:G13V/D 673:K177N 3845:L19F 3845:Q22K 3845:Q61 3845:Q61H 3845:Q61L/P 3845:R164Q 22882:T74P

      Genes: 3845 3265 673 22882

      Variants: A146T A146T/V A59T G12A/R G12A/R/S G12V/D G13C G13V/D K177N L19F Q22K Q61 Q61H Q61L/P R164Q T74P

    8. We developed a harmonized dataset for rapidly assessing mutational effects on the biochemical properties of the GTPase encoded by KRAS. We collected, processed, and categorized data derived from studying 23 KRAS hotspot

      [Paragraph-level] PMCID: PMC8688876 Section: RESULTS PassageIndex: 4

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: G12 | Summary: The G12 mutation is associated with alterations in the biochemical properties of the GTPase encoded by KRAS, affecting functions such as GTP binding and nucleotide exchange. Evidence Type: Functional | Mutation: G13 | Summary: The G13 mutation is linked to changes in the biochemical properties of the KRAS GTPase, influencing aspects like GTP binding and nucleotide exchange. Evidence Type: Functional | Mutation: Q61 | Summary: The Q61 mutation affects the biochemical properties of the KRAS GTPase, impacting functions such as GTP binding and nucleotide exchange. Evidence Type: Functional | Mutation: T74 | Summary: The T74 mutation is associated with alterations in the biochemical properties of the KRAS GTPase, influencing functions like GTP binding and nucleotide exchange. Evidence Type: Functional | Mutation: G12V | Summary: The G12V mutation is specifically noted for having all six biochemical measurements, indicating its significant impact on the functional properties of the KRAS GTPase.

      Gene→Variant (gene-first): 3845:G12 3845:G12V 3845:G13 3845:Q61 22882:T74

      Genes: 3845 22882

      Variants: G12 G12V G13 Q61 T74

    1. Stratification analysis was also performed to evaluate the potential effects of TYMS rs3786362 in mCRC patients in the dominant model. Overall, the carriers of the risk G allele reduced PFS with respect to female, younge

      [Paragraph-level] PMCID: PMC7545690 Section: RESULTS PassageIndex: 15

      Evidence Type(s): Prognostic, Predictive

      Summary: Evidence Type: Prognostic | Mutation: rs3786362 | Summary: The variant rs3786362 is associated with reduced progression-free survival (PFS) and overall survival (OS) in specific subgroups of metastatic colorectal cancer (mCRC) patients, indicating its potential role as a prognostic biomarker. Evidence Type: Predictive | Mutation: rs3786362 | Summary: The variant rs3786362 may serve as a predictive biomarker for survival in mCRC patients, particularly in certain subgroups, suggesting a correlation with treatment response or outcomes.

      Gene→Variant (gene-first): 7298:rs3786362

      Genes: 7298

      Variants: rs3786362

    2. Stratification analysis of rs3786362 in TYMS and mCRC survival

      [Paragraph-level] PMCID: PMC7545690 Section: RESULTS PassageIndex: 14

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: rs3786362 | Summary: The variant rs3786362 is associated with mCRC survival, indicating its potential role in correlating with disease outcome independent of therapy.

      Gene→Variant (gene-first): 7298:rs3786362

      Genes: 7298

      Variants: rs3786362

    3. In order to explore the correlation of rs3786362 in TYMS and responses to first-line chemotherapy in mCRC patients, we conducted three models including additive model, dominant model and recessive model for correlation a

      [Paragraph-level] PMCID: PMC7545690 Section: RESULTS PassageIndex: 13

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: rs3786362 | Summary: The G allele of rs3786362 in TYMS is associated with reduced disease control rate (DCR) in mCRC patients undergoing first-line chemotherapy, indicating its potential role in predicting treatment response.

      Gene→Variant (gene-first): 7298:rs3786362

      Genes: 7298

      Variants: rs3786362

    4. The correlation between rs3786362 in TYMS and DCR of mCRC patients

      [Paragraph-level] PMCID: PMC7545690 Section: RESULTS PassageIndex: 12

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: rs3786362 | Summary: The variant rs3786362 in TYMS correlates with the disease control rate (DCR) in metastatic colorectal cancer (mCRC) patients, indicating its potential role in predicting treatment response.

      Gene→Variant (gene-first): 7298:rs3786362

      Genes: 7298

      Variants: rs3786362

    5. Kaplan-Meier curves of PFS and OS for TYMS rs3786362 in mCRC patients were depicted choosing the dominant model. Patients with AG/GG genotypes exhibited reduced PFS and OS compared with AA genotype (Figure 2).

      [Paragraph-level] PMCID: PMC7545690 Section: RESULTS PassageIndex: 11

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: rs3786362 | Summary: The variant rs3786362 is associated with reduced progression-free survival (PFS) and overall survival (OS) in metastatic colorectal cancer (mCRC) patients, indicating its prognostic significance.

      Gene→Variant (gene-first): 7298:rs3786362

      Genes: 7298

      Variants: rs3786362

    6. Owing to the positive findings of TYMS rs3786362 on PFS in our previous study, the correlation analysis of the selected SNP with OS was further conducted. Interestingly, TYMS rs3786362 was also associated with reduced OS

      [Paragraph-level] PMCID: PMC7545690 Section: RESULTS PassageIndex: 10

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: rs3786362 | Summary: The variant TYMS rs3786362 is associated with reduced overall survival (OS) and progression-free survival (PFS), indicating its correlation with disease outcome independent of therapy. Evidence Type: Prognostic | Mutation: rs3786362 | Summary: The AG genotype of rs3786362 in TYMS is correlated with reduced PFS and OS compared to the AA genotype, further supporting its role in predicting disease outcomes. Evidence Type: Prognostic | Mutation: rs3786362 | Summary: Carriers of the G allele of rs3786362 are prone to shorter PFS and OS times, reinforcing its prognostic significance in the context of cancer survival.

      Gene→Variant (gene-first): 7298:rs3786362

      Genes: 7298

      Variants: rs3786362

    7. The correlation between rs3786362 in TYMS and mCRC survival

      [Paragraph-level] PMCID: PMC7545690 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: rs3786362 | Summary: The variant rs3786362 in TYMS is associated with mCRC survival, indicating its potential role in predicting disease outcome independent of therapy.

      Gene→Variant (gene-first): 7298:rs3786362

      Genes: 7298

      Variants: rs3786362

    8. We analyzed the association between 35 SNPs and PFS of mCRC patients in the additive model after genotyping (Supplementary Table S4). As shown in Table 1, we found that four SNPs (rs369803 in FOLH1, rs10432965 in FTCD, r

      [Paragraph-level] PMCID: PMC7545690 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Prognostic

      Summary: Evidence Type: Prognostic | Mutation: rs3786362 | Summary: The SNP rs3786362 in TYMS is correlated with reduced progression-free survival (PFS) in metastatic colorectal cancer (mCRC) patients, indicating its potential as a prognostic marker. Evidence Type: Prognostic | Mutation: rs369803 | Summary: The SNP rs369803 in FOLH1 is associated with progression-free survival (PFS) in mCRC patients, suggesting it may serve as a prognostic indicator for disease outcome.

      Gene→Variant (gene-first): 10841:rs10432965 2346:rs369803 7298:rs3786362 113235:rs4795436

      Genes: 10841 2346 7298 113235

      Variants: rs10432965 rs369803 rs3786362 rs4795436

    1. The maximum tolerated dose was established as 40 mg/d; dose-limiting toxicities included reversible thrombocytopenia and nonhematologic toxicity. Across the entire study, the most common grade >= 3 treatment-emergent adv

      [Paragraph-level] PMCID: PMC7325368 Section: ABSTRACT PassageIndex: 6

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: B-RAFV600E | Summary: The B-RAFV600E mutation is associated with treatment responses in patients with melanoma, thyroid cancer, and low-grade serous ovarian cancer, indicating its predictive value for therapy outcomes. Evidence Type: Oncogenic | Mutation: B-RAFV600E | Summary: The B-RAFV600E mutation is implicated in tumor development and progression in various cancers, including melanoma and thyroid cancer, supporting its classification as an oncogenic variant.

      Gene→Variant (gene-first): 673:B-RAFV600E

      Genes: 673

      Variants: B-RAFV600E

    2. Lifirafenib is an investigational, reversible inhibitor of B-RAFV600E, wild-type A-RAF, B-RAF, C-RAF, and EGFR. This first-in-human, phase I, dose-escalation/dose-expansion study evaluated the safety, tolerability, and e

      [Paragraph-level] PMCID: PMC7325368 Section: ABSTRACT PassageIndex: 2

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: B-RAFV600E | Summary: The B-RAFV600E mutation is associated with the response to the investigational therapy lifirafenib, indicating its predictive value for treatment sensitivity in patients with B-RAF-mutated solid tumors. Evidence Type: Oncogenic | Mutation: B-RAFV600E | Summary: The B-RAFV600E mutation contributes to tumor development or progression, as it is mentioned in the context of solid tumors with B-RAF mutations.

      Gene→Variant (gene-first): 673:B-RAFV600E

      Genes: 673

      Variants: B-RAFV600E

    3. Across the entire study, 2 patients with K-RAS mutations (endometrial cancer [20 mg/d] and codon 12-mutated NSCLC [30 mg/d], n = 1 each) had confirmed responses, which resulted in an ORR of 3.4%; 32 patients (54.2%) with

      [Paragraph-level] PMCID: PMC7325368 Section: RESULTS PassageIndex: 11

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: G13D | Summary: The K-RAS G13D mutation is associated with treatment response, as patients with K-RAS mutations, including G13D, had confirmed responses and stable disease (SD) in the context of therapy. Evidence Type: Oncogenic | Mutation: G13D | Summary: The K-RAS G13D mutation contributes to tumor development or progression, as it is part of the K-RAS mutations observed in patients with endometrial cancer and NSCLC.

      Gene→Variant (gene-first): 3845:G13D

      Genes: 3845

      Variants: G13D

    4. Patients with B-RAF and K-RAS mutations from both phases had responses (Table 3). Among patients with B-RAF mutations, 8 (15.1%) of 53 achieved PR, including 1 patient with melanoma who received prior RAF inhibitor thera

      [Paragraph-level] PMCID: PMC7325368 Section: RESULTS PassageIndex: 10

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: B-RAFV600E | Summary: The B-RAFV600E mutation is associated with responses to therapy, as evidenced by patients achieving partial responses (PR) and stable disease (SD) in clinical studies. Evidence Type: Oncogenic | Mutation: B-RAFV600E | Summary: The B-RAFV600E mutation contributes to tumor development and progression, as indicated by its presence in various cancer types and the observed treatment responses in patients.

      Gene→Variant (gene-first): 673:B-RAFV600E

      Genes: 673

      Variants: B-RAFV600E

    1. TNBC cell lines (MDA-MB-231 and MDA-MB-468) with PIK3CA gene mutations (E545K and H1047R regions) and overexpression were established by transfection. NOD/SCID mice were used for in vivo experiments. Epirubicin was used

      [Paragraph-level] PMCID: PMC8033310 Section: ABSTRACT PassageIndex: 4

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: E545K | Summary: The E545K mutation in the PIK3CA gene is associated with tumor development or progression in TNBC cell lines. Evidence Type: Oncogenic | Mutation: H1047R | Summary: The H1047R mutation in the PIK3CA gene is associated with tumor development or progression in TNBC cell lines.

      Gene→Variant (gene-first): 5290:E545K 5290:H1047R

      Genes: 5290

      Variants: E545K H1047R

    1. The distribution pattern of the HER2 insertion mutations observed in our cohort was consistent with prior literature. The HER2 Y772_A775dupYVMA mutation was the most frequent and occurred in 65 (72.2%) patients, of whom

      [Paragraph-level] PMCID: PMC8887939 Section: RESULTS PassageIndex: 11

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: A775dupYVMA | Summary: The HER2 A775dupYVMA mutation is associated with an overall response rate (ORR) of 20.0%, indicating its potential predictive value for therapy response. Evidence Type: Predictive | Mutation: G776delinsVC | Summary: The G776delinsVC mutation shows an ORR of 27.3%, suggesting it may also have predictive implications for treatment response.

      Gene→Variant (gene-first): 2064:A775dupYVMA 2064:G776delinsVC

      Genes: 2064

      Variants: A775dupYVMA G776delinsVC

    1. KRAS G12D-mutant/p53-deficient non-small-cell lung cancer (NSCLC) models are dependent on the NF-kappaB pathway that can be down-regulated by the proteasome inhibitor bortezomib. Two exceptional responders were observed

      [Paragraph-level] PMCID: PMC6549573 Section: ABSTRACT PassageIndex: 1

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: G12D | Summary: The KRAS G12D mutation is associated with response to bortezomib therapy in non-small-cell lung cancer (NSCLC), although it is noted that this mutation alone is not a robust predictor of response. Evidence Type: Oncogenic | Mutation: G12D | Summary: The KRAS G12D mutation contributes to tumor development and progression in non-small-cell lung cancer (NSCLC) models.

      Gene→Variant (gene-first): 3845:G12D

      Genes: 3845

      Variants: G12D

    1. In the TAS6417 structure, the tricyclic core of the inhibitor forms dual hydrogen bonds to the kinase hinge, and the acrylamide forms the expected covalent bond with C797 (Fig. 4F). The quinoline substituent extends into

      [Paragraph-level] PMCID: PMC11551396 Section: RESULTS PassageIndex: 18

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: C797 | Summary: The mutation C797 is involved in forming a covalent bond with an inhibitor, indicating that it alters molecular or biochemical function. Evidence Type: Functional | Mutation: T790 | Summary: The mutation T790 is described in the context of its interaction with a quinoline substituent, suggesting it alters molecular or biochemical function.

      Gene→Variant (gene-first): 1956:C797 1956:T790

      Genes: 1956

      Variants: C797 T790

    2. The core of TAK-788, which is identical to osimertinib, binds in essentially the same manner as osimertinib and the additional isopropyl ester of TAK-788 extends into the back pocket alongside the gatekeeper T790 and sim

      [Paragraph-level] PMCID: PMC11551396 Section: RESULTS PassageIndex: 17

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: T790 | Summary: The T790 mutation is associated with the binding of TAK-788, indicating its role in tumor development or progression through its interaction with therapeutic agents.

      Gene→Variant (gene-first): 1956:T790

      Genes: 1956

      Variants: T790

    3. Poziotinib is an anilinoquinazoline inhibitor and binds in the manner expected for this compound class, with a single hydrogen bond to the hinge region, and the halogen-substituted aniline group in the back pocket adjace

      [Paragraph-level] PMCID: PMC11551396 Section: RESULTS PassageIndex: 16

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: C797 | Summary: The C797 mutation forms a covalent bond with the inhibitor, indicating an alteration in molecular function related to drug binding. Evidence Type: Oncogenic | Mutation: T790M | Summary: The T790M mutation is associated with an inactive kinase conformation, contributing to tumor development or progression. Evidence Type: Oncogenic | Mutation: V948R | Summary: The V948R mutation prevents the formation of the activating asymmetric dimer interaction, indicating its role in tumor development or progression.

      Gene→Variant (gene-first): 1956:C797 1956:T790M 1956:V948R

      Genes: 1956

      Variants: C797 T790M V948R

    4. BAY-33 binds with its pyridine group adjacent to the hinge region of the kinase, where it forms a single hydrogen bond with the backbone amide of M793 (Fig. 4 A and B). The fluoro- and methoxy- substituted anilino group

      [Paragraph-level] PMCID: PMC11551396 Section: RESULTS PassageIndex: 15

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: T790 | Summary: The T790 mutation is mentioned in the context of its interaction with inhibitors, suggesting its role in tumor development or progression as it is a gatekeeper residue involved in resistance mechanisms.

      Gene→Variant (gene-first): 1956:T790

      Genes: 1956

      Variants: T790

    5. As we have been unable to obtain suitable crystals of the insASV or insSVD variants, we determined cocrystal structures of BAY-33, TAK-788, TAS6417, and poziotinib with WT EGFR to better understand their binding modes an

      [Paragraph-level] PMCID: PMC11551396 Section: RESULTS PassageIndex: 14

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: T790M | Summary: The T790M mutation is associated with altered molecular or biochemical function as it is studied in the context of cocrystal structures with various inhibitors. Evidence Type: Functional | Mutation: V948R | Summary: The V948R mutation is associated with altered molecular or biochemical function as it is studied in the context of cocrystal structures with various inhibitors.

      Gene→Variant (gene-first): 1956:T790M 1956:V948R

      Genes: 1956

      Variants: T790M V948R

    6. To better understand the degree of correlation in drug sensitivity across WT and various EGFR mutants, we plotted pairwise comparisons of IC50 values (Fig. 2). This analysis revealed little if any correlation in inhibito

      [Paragraph-level] PMCID: PMC11551396 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: L858R | Summary: The L858R mutation shows a drug-sensitizing effect, correlating with greater potency against L858R EGFR compared to WT EGFR, indicating its relevance in therapy response. Evidence Type: Oncogenic | Mutation: L858R | Summary: The L858R mutation contributes to tumor development or progression, as it is associated with enhanced sensitivity to inhibitors compared to wild-type EGFR.

      Gene→Variant (gene-first): 1956:L858R

      Genes: 1956

      Variants: L858R

    7. We measured the biochemical potencies of a diverse panel of EGFR inhibitors against insASV, insSVD, and insNPG exon 20 insertion mutants and for comparison against WT EGFR and the L858R and L858R/T790M point mutants. Inh

      [Paragraph-level] PMCID: PMC11551396 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: L858R | Summary: The L858R mutation is evaluated for its response to a diverse panel of EGFR inhibitors, indicating its potential role in predicting treatment sensitivity or resistance. Evidence Type: Predictive | Mutation: T790M | Summary: The T790M mutation is included in the evaluation of biochemical potencies against EGFR inhibitors, suggesting its relevance in predicting treatment response or resistance.

      Gene→Variant (gene-first): 1956:L858R 1956:T790M

      Genes: 1956

      Variants: L858R T790M

    8. The enhanced inhibitor sensitivity of EGFR L858R and exon 19 deletions stems, at least in part, from their decreased affinity for ATP compared to the WT EGFR. While the Km, ATP values of insASV and insSVD are higher as c

      [Paragraph-level] PMCID: PMC11551396 Section: RESULTS PassageIndex: 5

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: L858R | Summary: The L858R mutation is associated with enhanced inhibitor sensitivity due to its decreased affinity for ATP, which correlates with treatment response to EGFR TKIs. Evidence Type: Oncogenic | Mutation: L858R | Summary: The L858R mutation contributes to tumor development or progression, as indicated by its enhanced catalytic rates and sensitivity compared to other variants.

      Gene→Variant (gene-first): 1956:L858R

      Genes: 1956

      Variants: L858R

    9. We used a coupled enzyme assay to determine enzyme kinetic parameters for these exon 20 insertions, as well as for WT, L858R, and L858R/T790M EGFR for comparison. This well-established continuous assay employs pyruvate k

      [Paragraph-level] PMCID: PMC11551396 Section: RESULTS PassageIndex: 4

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: L858R | Summary: The L858R mutation alters the enzyme kinetic parameters of EGFR, demonstrating a significant increase in catalytic efficiency compared to wild-type EGFR. Evidence Type: Functional | Mutation: T790M | Summary: The T790M mutation is associated with altered enzyme kinetics, showing increased catalytic rates compared to wild-type EGFR. Evidence Type: Functional | Mutation: Glu4 | Summary: The Glu4 mutation is evaluated in terms of its impact on enzyme kinetics, indicating a functional alteration in comparison to wild-type EGFR.

      Gene→Variant (gene-first): 7294:Glu4 1956:L858R 1956:T790M

      Genes: 7294 1956

      Variants: Glu4 L858R T790M

    1. After transfection, the cells were allowed to grow for 24 h and then lysed. The level of EGFR-mCherry and wild-type and S310F HER2-eGFP in the cell lysate was determined by measuring the fluorescence intensity. After a c

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 11

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: S310F | Summary: The S310F HER2 variant alters the interaction efficiency with EGFR, as indicated by the fluorescence intensity measurements in the cell lysates, suggesting a change in molecular function.

      Gene→Variant (gene-first): 2064:S310F

      Genes: 2064

      Variants: S310F

    2. Single molecule interaction analysis was performed to determine whether the S310F HER mutant formed a heterodimer with the EGFR. We constructed a bicistronic mammalian expression vector encoding EGFR-mCherry and S310F HE

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 10

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: S310F | Summary: The S310F HER2 mutant was analyzed for its ability to form a heterodimer with EGFR, indicating that it alters molecular interactions and functions in a cellular context. Evidence Type: Oncogenic | Mutation: S310F | Summary: The S310F HER2 mutation is implicated in altered reactivity to therapeutic antibodies, suggesting a role in tumor development or progression.

      Gene→Variant (gene-first): 2064:S310F

      Genes: 2064

      Variants: S310F

    3. 3.4. Single-Molecular Interaction Analysis Demonstrated That the S310F HER2 Mutant Formed Heterodimers with the EGFR

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: S310F | Summary: The S310F HER2 mutant alters molecular interactions by forming heterodimers with the EGFR, indicating a change in biochemical function.

      Gene→Variant (gene-first): 2064:S310F

      Genes: 2064

      Variants: S310F

    4. We tested the effects of anti-HER2 agents on 5637 cell proliferation and the level of HER2 phosphorylation at Y1221 and Y1222 residues. The cells were incubated with pertuzumab, trastuzumab and lapatinib for 96 h, lysed

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Oncogenic, Predictive

      Summary: Evidence Type: Oncogenic | Mutation: S310F | Summary: The S310F HER2 mutant contributes to tumor development as indicated by its phosphorylation in response to EGFR signaling in 5637 cells. Evidence Type: Predictive | Mutation: S310F | Summary: The S310F HER2 mutant's response to anti-HER2 agents, particularly the lack of effect from trastuzumab on cell proliferation, suggests its predictive role in therapy resistance.

      Gene→Variant (gene-first): 2064:S310F

      Genes: 2064

      Variants: S310F

    5. 3.3. EGFR Activates S310F HER2 Mutant in 5637 Cell

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: S310F | Summary: The S310F mutation is associated with tumor development or progression as indicated by its activation in the context of the HER2 mutant in cell studies.

      Gene→Variant (gene-first): 2064:S310F

      Genes: 2064

      Variants: S310F

    6. To confirm the expression of the S310F HER2 mutant in 5637 cells, we used immunoprecipitation experiments. We hypothesized that if the cells expressed the S310F HER2 mutant, it would not be immunoprecipitated by pertuzum

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 6

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: S310F | Summary: The S310F HER2 mutant was confirmed to be expressed in 5637 cells through immunoprecipitation experiments, indicating that the variant alters the molecular function of HER2. Evidence Type: Oncogenic | Mutation: S310F | Summary: The expression of the S310F HER2 mutant in 5637 cells suggests that this somatic variant may contribute to tumor development or progression.

      Gene→Variant (gene-first): 2064:S310F

      Genes: 2064

      Variants: S310F

    7. We searched literatures to identify a human cell line expressing the S310F mutant and found that bladder cancer cell line 5637 expressed the mutant. To test the allelic expression of the S310F HER2 mutant in the 5637 cel

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 5

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: S310F | Summary: The S310F mutation was identified in a bladder cancer cell line, and its expression was analyzed through molecular techniques, indicating an alteration in molecular function.

      Gene→Variant (gene-first): 2064:S310 2064:S310F

      Genes: 2064

      Variants: S310 S310F

    8. 3.2. A Bladder Cancer Cell Line, 5637, Expresses Both Wild-Type HER2 and S310F Mutant

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 4

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: S310F | Summary: The S310F mutation is mentioned in the context of a bladder cancer cell line, indicating that it alters the molecular or biochemical function of HER2. Evidence Type: Oncogenic | Mutation: S310F | Summary: The presence of the S310F mutation in a bladder cancer cell line suggests that it may contribute to tumor development or progression.

      Gene→Variant (gene-first): 2064:S310F

      Genes: 2064

      Variants: S310F

    9. A construct encoding the S310F HER2 extracellular domain fused to a human Fc domain of immunoglobulin heavy chain was prepared and cloned into a mammalian expression vector. For comparison, the expression vectors encodin

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 3

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: S309A | Summary: The S309A HER2 mutant reacted with trastuzumab with reduced affinity compared to wild-type HER2, indicating a correlation with therapy response. Evidence Type: Predictive | Mutation: S310F | Summary: The S310F mutant did not bind to pertuzumab but reacted with trastuzumab in a dose-dependent manner, suggesting its role in therapy response. Evidence Type: Predictive | Mutation: G309E | Summary: The G309E HER2 mutant did not bind to pertuzumab, indicating a potential resistance to this therapy. Evidence Type: Predictive | Mutation: S310Y | Summary: The S310Y HER2 mutant did not bind to pertuzumab, suggesting a potential resistance to this therapy. Evidence Type: Predictive | Mutation: G309 | Summary: The G309 HER2 mutants, including G309A and G309E, were tested for binding to pertuzumab, indicating their relevance in therapy response.

      Gene→Variant (gene-first): 2064:G309 2064:G309A 2064:G309E 2064:S309A 2064:S310 2064:S310F 2064:S310Y

      Genes: 2064

      Variants: G309 G309A G309E S309A S310 S310F S310Y

    10. 3.1. The Recombinant S310F Mutant Is Not Reactive to Pertuzumab but Binds to Trastuzumab

      [Paragraph-level] PMCID: PMC6843359 Section: RESULTS PassageIndex: 2

      Evidence Type(s): Predictive, Functional

      Summary: Evidence Type: Predictive | Mutation: S310F | Summary: The S310F mutant is not reactive to Pertuzumab, indicating a potential resistance to this therapy, while it retains binding to Trastuzumab, suggesting a correlation with treatment response. Evidence Type: Functional | Mutation: S310F | Summary: The S310F mutation alters the reactivity of the protein, affecting its binding properties with specific antibodies, which indicates a change in molecular function.

      Gene→Variant (gene-first): 2064:S310F

      Genes: 2064

      Variants: S310F

    1. KIT kinase V559D mutation is the most prevalent primary gain-of-function mutation in Gastrointestinal Stromal Tumors (GISTs). Here we reported a highly selective KIT V559D inhibitor CHMFL-KIT-031, which displayed about 1

      [Paragraph-level] PMCID: PMC5762309 Section: ABSTRACT PassageIndex: 1

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: V559D | Summary: The KIT V559D mutation is identified as a primary gain-of-function mutation in Gastrointestinal Stromal Tumors (GISTs), contributing to tumor development. Evidence Type: Functional | Mutation: V559D | Summary: The V559D mutation alters molecular function, as evidenced by its selectivity and efficacy in biochemical assays and signaling pathways. Evidence Type: Oncogenic | Mutation: L576P | Summary: The L576P mutation is mentioned as a primary mutant in the context of selective inhibition, indicating its role in tumor progression. Evidence Type: Oncogenic | Mutation: T670I | Summary: The T670I mutation is classified as a secondary mutant, contributing to tumor development in the context of selective inhibition. Evidence Type: Oncogenic | Mutation: V654A | Summary: The V654A mutation is noted as a secondary mutant involved in tumor progression, as indicated by its context in selective inhibition. Evidence Type: Oncogenic | Mutation: N822K | Summary: The N822K mutation is mentioned in the context of activation loop mutations, suggesting its contribution to tumor development. Evidence Type: Oncogenic | Mutation: D816V | Summary: The D816V mutation is described as an activation loop mutation, indicating its role in tumor progression.

      Gene→Variant (gene-first): 3815:D816V 3815:L576P 3815:N822K 3815:T670I 3815:V559D 3815:V654A

      Genes: 3815

      Variants: D816V L576P N822K T670I V559D V654A

    1. Recent advances in molecular profiling technologies allow genetic driver events in individual tumors to be identified. The hypothesis behind this ongoing molecular profiling effort is that improvement in patients' clinic

      [Paragraph-level] PMCID: PMC5002925 Section: ABSTRACT PassageIndex: 1

      Evidence Type(s): Predictive, Oncogenic, Functional

      Summary: Evidence Type: Predictive | Mutation: p.L755S | Summary: The ERBB2 p.L755S mutation was used to guide treatment with trastuzumab, indicating a correlation with therapy response. Evidence Type: Oncogenic | Mutation: p.L755S | Summary: The presence of the ERBB2 p.L755S mutation suggests it may contribute to tumor development or progression in colorectal cancer. Evidence Type: Functional | Mutation: p.L755S | Summary: The mutation is described in the context of its biological significance, indicating an alteration in molecular function. Evidence Type: Oncogenic | Mutation: p.N581S | Summary: The BRAF p.N581S mutation is mentioned as a genetic driver event, suggesting its role in tumor development or progression. Evidence Type: Oncogenic | Mutation: p.Q1429fs | Summary: The APC p.Q1429fs mutation is identified as a genetic driver event, indicating its contribution to tumor development or progression.

      Gene→Variant (gene-first): 2064:p.L755S 673:p.N581S 324:p.Q1429fs

      Genes: 2064 673 324

      Variants: p.L755S p.N581S p.Q1429fs

    1. In keeping with the identification of KRAS and/or NRAS mutations as the dominant genomic change associated with treatment resistance, serial ctDNA analysis was able to reveal the emergence of these mutations prior to dis

      [Paragraph-level] PMCID: PMC10011885 Section: RESULTS PassageIndex: 24

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: Q61H | Summary: The KRAS Q61H mutation is associated with the emergence of subclonal mutations contributing to tumor development and progression, as indicated by its detection prior to disease progression. Evidence Type: Oncogenic | Mutation: Q61L | Summary: The KRAS Q61L mutation is part of the multiple subclonal KRAS mutations identified, which are implicated in tumor development and progression. Evidence Type: Oncogenic | Mutation: G12N | Summary: The KRAS G12N mutation is included among the subclonal mutations that contribute to tumor development and progression. Evidence Type: Oncogenic | Mutation: G13D | Summary: The KRAS G13D mutation is identified as a subclonal mutation that plays a role in tumor development and progression. Evidence Type: Oncogenic | Mutation: G12D | Summary: The NRAS G12D mutation is part of the identified mutations that contribute to tumor development and progression. Evidence Type: Functional | Mutation: A163G | Summary: The KDR A163G mutation is mentioned in the context of targeted sequencing, suggesting it may alter molecular or biochemical function. Evidence Type: Functional | Mutation: R106H | Summary: The MSH6 R106H mutation is identified in the context of targeted sequencing, indicating a potential alteration in molecular or biochemical function.

      Gene→Variant (gene-first): 3791:A163G 3845:G12D 3845:G12N 3845:G13D 3845:Q61H 4893:Q61L 79811:R106H 673:V600E

      Genes: 3791 3845 4893 79811 673

      Variants: A163G G12D G12N G13D Q61H Q61L R106H V600E

    2. Plasma DNA collected at the time of disease progression was analyzed through targeted sequencing to identify evidence of genomic evolution following treatment and potential mechanisms of acquired resistance to therapy. I

      [Paragraph-level] PMCID: PMC10011885 Section: RESULTS PassageIndex: 23

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: V600E | Summary: The BRAF V600E mutation was retained in patients at disease progression, indicating its role in tumor development or progression.

      Gene→Variant (gene-first): 673:V600E

      Genes: 673

      Variants: V600E

    3. The ratio of BRAF V600E mutation VAF on treatment at week 2 and week 4, relative to baseline was assessed as a predictor of PFS and OS. Most patients (19/21; 91%) had a week 2-baseline ratio (W2-BLR) of <1, with a median

      [Paragraph-level] PMCID: PMC10011885 Section: RESULTS PassageIndex: 20

      Evidence Type(s): Predictive, Prognostic

      Summary: Evidence Type: Predictive | Mutation: V600E | Summary: The BRAF V600E mutation is assessed as a predictor of progression-free survival (PFS) and overall survival (OS) based on the week 2 and week 4 baseline ratios of ctDNA levels, indicating its correlation with treatment response. Evidence Type: Prognostic | Mutation: V600E | Summary: The BRAF V600E mutation correlates with disease outcomes, as patients with higher week 2 and week 4 baseline ratios had inferior PFS and OS, suggesting its role in predicting survival independent of therapy.

      Gene→Variant (gene-first): 673:V600E

      Genes: 673

      Variants: V600E

    4. We next explored whether early, dynamic changes in ctDNA levels were predictive of outcomes to combination vemurafenib and erlotinib therapy. A total of 25 paired baseline-week 2 (BL-W2) and 21 paired baseline-week 4 (BL

      [Paragraph-level] PMCID: PMC10011885 Section: RESULTS PassageIndex: 19

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: V600E | Summary: The BRAF V600E mutation is associated with early changes in ctDNA levels that predict outcomes to combination vemurafenib and erlotinib therapy, indicating its role in treatment response. Evidence Type: Oncogenic | Mutation: V600E | Summary: The BRAF V600E mutation contributes to tumor development or progression, as indicated by its presence in ctDNA dynamics analyzed in the context of therapy.

      Gene→Variant (gene-first): 673:V600E

      Genes: 673

      Variants: V600E

    5. In addition to ddPCR testing, baseline plasma DNA was analyzed using a targeted capture based next-generation sequencing assay (Avenio Expanded panel, Roche Diagnostics; Supplementary Table S1 for list of genes). At leas

      [Paragraph-level] PMCID: PMC10011885 Section: RESULTS PassageIndex: 16

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: G13C | Summary: The NRAS G13C mutation was detected in a patient, indicating its potential role in tumor development or progression.

      Gene→Variant (gene-first): 4893:G13C

      Genes: 4893

      Variants: G13C

    6. Twenty-five patients had serial plasma available for ctDNA analyses (Fig. 3A). Baseline pretreatment plasma DNA analyzed by droplet digital PCR (ddPCR) was positive for BRAF V600E mutant ctDNA in 21 of 25 patients (84%).

      [Paragraph-level] PMCID: PMC10011885 Section: RESULTS PassageIndex: 15

      Evidence Type(s): Diagnostic, Prognostic, Predictive

      Summary: Evidence Type: Diagnostic | Mutation: V600E | Summary: The BRAF V600E mutation is used to define and classify patients based on the presence of mutant ctDNA in plasma, indicating its role in diagnosing the disease. Evidence Type: Prognostic | Mutation: V600E | Summary: Higher levels of ctDNA for the BRAF V600E mutation at baseline are associated with inferior progression-free survival (PFS) and overall survival (OS), indicating its prognostic significance. Evidence Type: Predictive | Mutation: V600E | Summary: The presence of the BRAF V600E mutation correlates with clinical benefit, as patients with lower ctDNA levels achieved better outcomes, suggesting its predictive value for treatment response.

      Gene→Variant (gene-first): 673:V600E

      Genes: 673

      Variants: V600E

    7. A total of 40 patients were enrolled across the dose escalation and dose expansion phases (mCRC n = 33 and non-CRC cohort n = 7) between July 2014 and August 2017 (Fig. 1A). The non-colorectal cancer cohort included 7 pa

      [Paragraph-level] PMCID: PMC10011885 Section: RESULTS PassageIndex: 3

      Evidence Type(s): Oncogenic, Diagnostic

      Summary: Evidence Type: Oncogenic | Mutation: V600E | Summary: The BRAF V600E mutation is associated with tumor development or progression in various cancers, including non-colorectal cancers. Evidence Type: Diagnostic | Mutation: V600E | Summary: The presence of the BRAF V600E mutation is used to classify patients with selected cancers, confirming their mutation-positive status.

      Gene→Variant (gene-first): 673:V600E

      Genes: 673

      Variants: V600E

    1. Epidermal growth factor receptor (EGFR) exon 20 insertion mutations account for a tenth of all EGFR mutations in lung cancers. An important unmet clinical need is the identification of EGFR exon 20 insertion mutants that

      [Paragraph-level] PMCID: PMC8700411 Section: ABSTRACT PassageIndex: 1

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: D770 | Summary: The EGFR-D770 mutation is associated with sensitivity to specific 2nd generation EGFR-TKIs, such as afatinib and dacomitinib, indicating its predictive value for therapy response. Evidence Type: Predictive | Mutation: G770 | Summary: The EGFR-G770 mutation shows sensitivity to approved 2nd generation EGFR TKIs and EGFR exon 20 insertion mutant-active TKIs, suggesting its predictive role in therapy response. Evidence Type: Predictive | Mutation: Y764insFQEA | Summary: The EGFR-Y764insFQEA insertion mutation is responsive to approved EGFR TKIs, highlighting its predictive significance for treatment outcomes.

      Gene→Variant (gene-first): 1956:D770 1956:G770 1956:Y764insFQEA

      Genes: 1956

      Variants: D770 G770 Y764insFQEA

    2. Although these cases are limited in number and by reporting biases, they provide supporting evidence that EGFR-D770>GY and other exon 20 insertion mutations with G770 equivalence are sensitive to the clinically available

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 13

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: G770 | Summary: The variant G770 is associated with sensitivity to EGFR TKIs such as dacomitinib, afatinib, and mobocertinib, indicating its predictive value for therapy response. Evidence Type: Oncogenic | Mutation: G770 | Summary: The G770 variant is implicated in tumor development or progression, as it is part of exon 20 insertion mutations in EGFR.

      Gene→Variant (gene-first): 1956:G770

      Genes: 1956

      Variants: G770

    3. The majority:but not all:of cases that received poziotinib or mobocertinib in this compiled cohort of advanced lung cancers harboring EGFR exon 20 insertion mutations with G770 equivalence had radiographic responses (Tab

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 12

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: G770 | Summary: The G770 mutation is associated with radiographic responses to the therapies poziotinib and mobocertinib in advanced lung cancers, indicating its predictive value for treatment response. Evidence Type: Oncogenic | Mutation: G770 | Summary: The G770 mutation is part of EGFR exon 20 insertion mutations that contribute to tumor development in advanced lung cancers, supporting its classification as oncogenic.

      Gene→Variant (gene-first): 1956:G770

      Genes: 1956

      Variants: G770

    4. We identified seven reports from the literature and added one case from our institutional cohort that detailed partial clinical-radiographic parameters in patients with metastatic lung cancers harboring EGFR exon 20 inse

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 10

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: G770 | Summary: The G770 mutation is associated with a lack of response to certain EGFR TKIs, indicating its predictive value regarding therapy resistance. Evidence Type: Oncogenic | Mutation: G770 | Summary: The G770 mutation is part of EGFR exon 20 insertion mutations that contribute to tumor development in patients with metastatic lung cancers.

      Gene→Variant (gene-first): 1956:G770

      Genes: 1956

      Variants: G770

    5. 3.3. Clinical Outcomes of Reported Patients with Advanced Lung Cancers Harboring EGFR Exon 20 Insertion Mutations Encompassing G770 Equivalence

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Oncogenic, Diagnostic

      Summary: Evidence Type: Oncogenic | Mutation: G770 | Summary: The passage discusses advanced lung cancers harboring EGFR Exon 20 insertion mutations, indicating that the G770 mutation contributes to tumor development or progression. Evidence Type: Diagnostic | Mutation: G770 | Summary: The mention of advanced lung cancers associated with EGFR Exon 20 insertion mutations suggests that the G770 mutation is used to classify or define a specific subtype of lung cancer.

      Gene→Variant (gene-first): 1956:G770

      Genes: 1956

      Variants: G770

    6. Our aforementioned preclinical results confirmed the structural modeling of EGFR-D770>GY (Figure 1A) and led us to speculate that patients with advanced lung cancers harboring EGFR exon 20 insertion mutations with a G770

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: G770 | Summary: The G770 mutation in EGFR is speculated to correlate with response to specific therapies such as afatinib, dacomitinib, poziotinib, and mobocertinib, indicating its predictive value for treatment outcomes in patients with advanced lung cancers.

      Gene→Variant (gene-first): 1956:G770

      Genes: 1956

      Variants: G770

    7. The exquisite sensitivity to 2nd generation EGFR TKIs was confirmed at the biochemical level. In Western blot experiments, the phosphorylated form of EGFR was readily inhibited by 10 nM and higher doses of dacomitinib in

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Predictive, Functional

      Summary: Evidence Type: Predictive | Mutation: V769dupASV | Summary: The V769dupASV mutation shows altered sensitivity to dacomitinib, indicating a correlation with response to therapy. Evidence Type: Functional | Mutation: V769dupASV | Summary: The V769dupASV mutation affects the biochemical function of EGFR, as evidenced by the differential inhibition of phosphorylated EGFR in response to dacomitinib.

      Gene→Variant (gene-first): 1956:V769dupASV

      Genes: 1956

      Variants: V769dupASV

    8. To highlight the differences in proliferation assays between Ba/F3 cells driven by the EGFR-D770>GY mutant and the more typical EGFR-A767_V769dupASV mutant, we show the dose-response curve for increasing concentrations o

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 6

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: V769dupASV | Summary: The V769dupASV mutation is associated with a higher IC50 for afatinib and dacomitinib, indicating a correlation with resistance to these therapies. Evidence Type: Oncogenic | Mutation: V769dupASV | Summary: The V769dupASV mutation is implicated in driving proliferation in Ba/F3 cells, suggesting its role in tumor development or progression.

      Gene→Variant (gene-first): 1956:V769dupASV

      Genes: 1956

      Variants: V769dupASV

    9. Our group generated a Ba/F3 cell line driven by the EGFR-D770>GY mutant in order to compare its properties with our previously described isogenic Ba/F3 preclinical models of exon 20 insertion mutants (Figure 2). To evalu

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 5

      Evidence Type(s): Predictive, Functional

      Summary: Evidence Type: Predictive | Mutation: D770_N771insSVD | Summary: The D770_N771insSVD mutation is associated with sensitivity to mobocertinib and poziotinib, indicating its predictive value for response to these therapies. Evidence Type: Predictive | Mutation: V769dupASV | Summary: The V769dupASV mutation shows sensitivity to mobocertinib and poziotinib, suggesting it has predictive implications for treatment response. Evidence Type: Functional | Mutation: Y764insFQEA | Summary: The Y764insFQEA mutation is described as pan-sensitive to all EGFR TKIs tested, indicating a functional alteration in response to these therapies.

      Gene→Variant (gene-first): 1956:D770_N771insSVD 1956:V769dupASV 1956:Y764insFQEA

      Genes: 1956

      Variants: D770_N771insSVD V769dupASV Y764insFQEA

    10. 3.2. Preclinical Characterization of an EGFR Exon 20 Insertion Mutant with a G770 Equivalence

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 4

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: G770 | Summary: The passage discusses the preclinical characterization of an EGFR Exon 20 Insertion Mutant with a G770 equivalence, indicating that this variant alters molecular or biochemical function.

      Gene→Variant (gene-first): 1956:G770

      Genes: 1956

      Variants: G770

    11. We queried three separate cohorts of EGFR exon 20 insertion mutations. Out of the 429 cases reported, 17 (3.96%) had the EGFR mutation leading to G770 equivalent change in the context of an insertion (Figure 1B). The typ

      [Paragraph-level] PMCID: PMC8700411 Section: RESULTS PassageIndex: 3

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: G770 | Summary: The G770 mutation is part of the EGFR exon 20 insertion mutations, which are known to contribute to tumor development or progression. Evidence Type: Functional | Mutation: G770 | Summary: The G770 mutation alters molecular or biochemical function as it is associated with changes in the EGFR protein due to the insertion mutations.

      Gene→Variant (gene-first): 1956:G770

      Genes: 1956

      Variants: G770

    1. In addition, the ADx-ARMS identified 2 samples with both 19 del and L858R mutation, 4 with both 19 del and T790M mutation, and 1 with both L858R and L861Q or S768I (The two spots were designed in one tube, we could not d

      [Paragraph-level] PMCID: PMC3287118 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: L858R | Summary: The L858R mutation is associated with tumor development or progression as it is mentioned in the context of samples with other mutations indicative of cancer. Evidence Type: Oncogenic | Mutation: T790M | Summary: The T790M mutation is associated with tumor development or progression as it is mentioned in the context of samples with other mutations indicative of cancer. Evidence Type: Oncogenic | Mutation: L861Q | Summary: The L861Q mutation is associated with tumor development or progression as it is mentioned in the context of samples with other mutations indicative of cancer. Evidence Type: Oncogenic | Mutation: S768I | Summary: The S768I mutation is associated with tumor development or progression as it is mentioned in the context of samples with other mutations indicative of cancer.

      Gene→Variant (gene-first): 1956:L858R 1956:L861Q 1956:S768I 1956:T790M

      Genes: 1956

      Variants: L858R L861Q S768I T790M

    1. These updated results confirm the substantial clinical benefit and manageable toxicity of dabrafenib plus trametinib in BRAF V600E-mutant ATC. Dabrafenib plus trametinib notably improved long-term survival and represents

      [Paragraph-level] PMCID: PMC9338780 Section: ABSTRACT PassageIndex: 8

      Evidence Type(s): Predictive, Prognostic, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: V600E | Summary: The BRAF V600E mutation is associated with a substantial clinical benefit from the combination of dabrafenib and trametinib, indicating its predictive value for treatment response in patients with ATC. Evidence Type: Prognostic | Mutation: V600E | Summary: The presence of the BRAF V600E mutation correlates with improved long-term survival in patients treated with dabrafenib plus trametinib, suggesting its prognostic significance in this context. Evidence Type: Oncogenic | Mutation: V600E | Summary: The BRAF V600E mutation contributes to tumor development and progression in anaplastic thyroid carcinoma (ATC), indicating its oncogenic role in this aggressive cancer type.

      Gene→Variant (gene-first): 673:V600E

      Genes: 673

      Variants: V600E

    2. ROAR (NCT02034110) is an open-label, nonrandomized, phase II basket study evaluating dabrafenib plus trametinib in BRAF V600E-mutant rare cancers. The ATC cohort comprised 36 patients with unresectable or metastatic ATC

      [Paragraph-level] PMCID: PMC9338780 Section: ABSTRACT PassageIndex: 4

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: V600E | Summary: The BRAF V600E mutation is evaluated in the context of a study assessing the response to the combination of dabrafenib and trametinib, indicating its predictive value for treatment response. Evidence Type: Oncogenic | Mutation: V600E | Summary: The BRAF V600E mutation is implicated in the development of rare cancers, supporting its role as an oncogenic variant contributing to tumor progression.

      Gene→Variant (gene-first): 673:V600E

      Genes: 673

      Variants: V600E

    3. Combined therapy with dabrafenib plus trametinib was approved in several countries for treatment of BRAF V600E-mutant anaplastic thyroid cancer (ATC) based on an earlier interim analysis of 23 response-assessable patient

      [Paragraph-level] PMCID: PMC9338780 Section: ABSTRACT PassageIndex: 2

      Evidence Type(s): Predictive, Diagnostic, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: V600E | Summary: The BRAF V600E mutation is associated with response to combined therapy with dabrafenib and trametinib in anaplastic thyroid cancer, indicating its predictive value for treatment efficacy. Evidence Type: Diagnostic | Mutation: V600E | Summary: The presence of the BRAF V600E mutation is used to define and classify anaplastic thyroid cancer, supporting its role as a diagnostic marker for this disease subtype. Evidence Type: Oncogenic | Mutation: V600E | Summary: The BRAF V600E mutation contributes to tumor development and progression in anaplastic thyroid cancer, indicating its oncogenic potential.

      Gene→Variant (gene-first): 673:V600E

      Genes: 673

      Variants: V600E

    1. The present results suggested that acquired VOPP1-EGFR fusion gene with T790M potentially serve an additional resistance mechanism to first-generation EGFR tyrosine kinase inhibitors in EGFR-mutated NSCLC. And the presen

      [Paragraph-level] PMCID: PMC8727519 Section: ABSTRACT PassageIndex: 6

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: T790M | Summary: The T790M mutation is associated with resistance to first-generation EGFR tyrosine kinase inhibitors, suggesting its role in predicting treatment response in NSCLC patients. Evidence Type: Oncogenic | Mutation: T790M | Summary: The T790M mutation contributes to tumor development and progression in the context of EGFR-mutated non-small cell lung cancer (NSCLC).

      Gene→Variant (gene-first): 1956:T790M

      Genes: 1956

      Variants: T790M

    2. In this case report, we describe a 69-year-old female who received right lobectomy and was diagnosed with pathological stage IIIA lung adenocarcinoma harboring EGFR L858R. Twenty months later he had recurrent disease in

      [Paragraph-level] PMCID: PMC8727519 Section: ABSTRACT PassageIndex: 4

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: L858R | Summary: The L858R mutation in EGFR is associated with lung adenocarcinoma and contributes to tumor development. Evidence Type: Oncogenic | Mutation: T790M | Summary: The T790M mutation is identified as a potential resistance mechanism to icotinib treatment, indicating its role in tumor progression.

      Gene→Variant (gene-first): 1956:L858R 1956:T790M

      Genes: 1956

      Variants: L858R T790M

    1. Taletrectinib continues to show high and durable overall responses, prolonged PFS, robust activity against intracranial lesions and acquired resistance mutations including G2032R, and a favorable safety profile with a lo

      [Paragraph-level] PMCID: PMC11272140 Section: ABSTRACT PassageIndex: 8

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: G2032R | Summary: The G2032R mutation is associated with acquired resistance to therapy, indicating its relevance in predicting treatment response and sensitivity to taletrectinib. Evidence Type: Oncogenic | Mutation: G2032R | Summary: The G2032R mutation is mentioned in the context of acquired resistance mutations, suggesting its role in tumor development or progression.

      Gene→Variant (gene-first): 6098:G2032R

      Genes: 6098

      Variants: G2032R

    2. As of November 2023, 173 patients were enrolled (median age, 55 years; 58% female; 73% never smoked; TKI naive: n = 106; crizotinib pretreated: n = 67). In TKI-naive patients, cORR and intracranial cORR were 91% and 88%,

      [Paragraph-level] PMCID: PMC11272140 Section: ABSTRACT PassageIndex: 6

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: G2032R | Summary: The G2032R mutation is associated with a response rate of 67% in patients, indicating its potential predictive value for treatment outcomes. Evidence Type: Oncogenic | Mutation: G2032R | Summary: The presence of the G2032R mutation suggests a role in tumor development or progression, as it is linked to patient responses in a cancer treatment context.

      Gene→Variant (gene-first): 6098:G2032R

      Genes: 6098

      Variants: G2032R

    3. Taletrectinib, a highly potent, CNS-active, ROS1 tyrosine kinase inhibitor (TKI), has demonstrated high and durable response rates, high intracranial objective response rate (ORR), prolonged progression-free survival (PF

      [Paragraph-level] PMCID: PMC11272140 Section: ABSTRACT PassageIndex: 2

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: G2032R | Summary: The G2032R mutation is associated with a favorable response to taletrectinib, a ROS1 tyrosine kinase inhibitor, indicating its predictive value for treatment response in ROS1+ non-small cell lung cancer. Evidence Type: Oncogenic | Mutation: G2032R | Summary: The G2032R mutation contributes to tumor development or progression in the context of ROS1+ non-small cell lung cancer, supporting its classification as an oncogenic variant.

      Gene→Variant (gene-first): 6098:G2032R

      Genes: 6098

      Variants: G2032R

    1. Some of the differences between the effects of tested inhibitors on activating FGFR variants (Figure 6) are consistent with observations from structural studies. Based on the crystal structure of FGFR1 KD V561M, the inte

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 33

      Evidence Type(s): Predictive, Functional

      Summary: Evidence Type: Predictive | Mutation: V555M | Summary: The variant V555M is associated with the expected efficacy of the inhibitor JNJ42756493, indicating a correlation with response to therapy. Evidence Type: Functional | Mutation: V561M | Summary: The variant V561M is discussed in the context of its interactions within the ATP-binding pocket, suggesting an alteration in molecular function related to drug binding.

      Gene→Variant (gene-first): 2261:V555M 2260:V561M

      Genes: 2261 2260

      Variants: V555M V561M

    2. We further compared the effect of the two most potent FGFR-specific inhibitors AZD4547 and JNJ42756493 on hotspot mutations K650E and N540K in NIH3T3 cell lines. As previously reported and shown in Supplementary Figure S

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 32

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: K650E | Summary: The K650E mutation reduces the efficacy of FGFR-specific inhibitors AZD4547 and JNJ42756493, indicating a correlation with resistance to these therapies. Evidence Type: Predictive | Mutation: N540K | Summary: The N540K mutation significantly reduces the efficacy of FGFR-specific inhibitors AZD4547 and JNJ42756493, suggesting a correlation with resistance to these therapies.

      Gene→Variant (gene-first): 2261:K650E 2261:N540K

      Genes: 2261

      Variants: K650E N540K

    3. The impact of each mutation on drug binding is expressed as a fold-difference in Ki compared to the FGFR3 KD WT (Figure 6C). Highly activating R669G and, in particular, hotspot mutation K650E had moderate effects on the

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 31

      Evidence Type(s): Predictive, Functional, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: K650E | Summary: The K650E mutation had moderate effects on the efficacy of all inhibitors, indicating a correlation with treatment response. Evidence Type: Predictive | Mutation: N540K | Summary: The N540K substitution affected the efficacy of AZD4547 more significantly, suggesting its role in treatment sensitivity. Evidence Type: Predictive | Mutation: N540S | Summary: The N540S mutation had a pronounced effect on the efficacy of JNJ42756493, indicating its impact on treatment response. Evidence Type: Predictive | Mutation: V555M | Summary: The V555M mutation conferred resistance to AZ12908010 and significantly impacted the efficacy of AZD4547, highlighting its role in treatment resistance. Evidence Type: Functional | Mutation: I538V | Summary: The I538V mutation had a substantial effect on drug binding, indicating an alteration in molecular function. Evidence Type: Oncogenic | Mutation: R669G | Summary: The highly activating R669G mutation contributes to tumor development or progression, supporting its oncogenic potential.

      Gene→Variant (gene-first): 2263:I538 2263:I538V 2261:K650E 2261:N540 2261:N540K 2261:N540S 2261:R669G 2261:V555M

      Genes: 2263 2261

      Variants: I538 I538V K650E N540 N540K N540S R669G V555M

    4. We performed measurements of Ki for AZD4547, BGJ-398, TKI258, JNJ42756493 and AP24534 using purified FGFR3 KD WT and variants R669G, K650E, N540S, N540K, V555M and I538V (Figure 6, Supplementary Table S3). Ki values for

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 30

      Evidence Type(s): Predictive, Functional

      Summary: Evidence Type: Predictive | Mutation: I538V | Summary: The I538V mutation is associated with measurements of Ki values for various FGFR3 inhibitors, indicating its potential role in influencing response to therapy. Evidence Type: Predictive | Mutation: K650E | Summary: The K650E mutation is mentioned in the context of measuring Ki values for FGFR3 inhibitors, suggesting its relevance in therapeutic response. Evidence Type: Predictive | Mutation: N540K | Summary: The N540K mutation is included in the study of Ki values for FGFR3 inhibitors, indicating its potential impact on treatment response. Evidence Type: Predictive | Mutation: N540S | Summary: The N540S mutation is part of the analysis of Ki values for FGFR3 inhibitors, suggesting its relevance in predicting therapeutic outcomes. Evidence Type: Functional | Mutation: V555M | Summary: The V555M mutation is described as a gatekeeper mutation that may alter the molecular function of FGFR3, impacting its interaction with inhibitors. Evidence Type: Functional | Mutation: R669G | Summary: The R669G mutation is noted for its potential allosteric effect, indicating a change in molecular function related to FGFR3. Evidence Type: Functional | Mutation: K650E | Summary: The K650E mutation may have an allosteric effect on FGFR3, suggesting a change in its molecular function. Evidence Type: Functional | Mutation: N540K | Summary: The N540K mutation is mentioned in the context of its location near the ATP binding pocket, indicating a potential alteration in molecular function. Evidence Type: Functional | Mutation: N540S | Summary: The N540S mutation is also located near the ATP binding pocket, suggesting it may alter the molecular function of FGFR3.

      Gene→Variant (gene-first): 2263:I538V 2261:K650E 2261:N540K 2261:N540S 2261:R669G 2261:V555M

      Genes: 2263 2261

      Variants: I538V K650E N540K N540S R669G V555M

    5. It is well established that some acquired mutations in protein kinases greatly reduce drug binding; the best-illustrated examples are gatekeeper mutations also described in FGFR3 (V555M). The question of how primary muta

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 29

      Evidence Type(s): Oncogenic, Predictive

      Summary: Evidence Type: Oncogenic | Mutation: V555M | Summary: The V555M mutation in FGFR3 is described as a gatekeeper mutation that reduces drug binding, indicating its role in tumor development or progression. Evidence Type: Predictive | Mutation: V555M | Summary: The passage suggests that the V555M mutation may affect drug efficacy, implying a correlation with response or resistance to specific therapies.

      Gene→Variant (gene-first): 2261:V555M

      Genes: 2261

      Variants: V555M

    6. JNJ42756493 occupies the ATP-binding cleft of FGFR1 largely as expected on the basis of previous complexes between FGFR1 and other type-I inhibitors (e. g. BJG-398, AZD4547, PD173074 and TKI258) and where the activation

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 27

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: D641 | Summary: The D641 mutation is involved in forming a hydrogen bond with the drug JNJ42756493, indicating that it alters molecular interactions within the FGFR1 protein. Evidence Type: Functional | Mutation: L630 | Summary: The L630 mutation is part of a shallow pocket that interacts with the terminal isopropyl group of JNJ42756493, suggesting it plays a role in the molecular function of the FGFR1 binding site. Evidence Type: Functional | Mutation: V561 | Summary: The V561 mutation is described as the gatekeeper residue that is involved in the binding of JNJ42756493, indicating its role in the molecular function of FGFR1.

      Gene→Variant (gene-first): 2260:D641 2260:L630 2260:V561

      Genes: 2260

      Variants: D641 L630 V561

    7. Previous structural studies of FGFR2 KD highlighted a long-range allosteric communication linking the kinase hinge, the alphaC-helix and the A-loop. It was also illustrated that some A-loop mutations (such as FGFR3 K650E

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 24

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: K650E | Summary: The K650E mutation alters the conformation of the A-loop, impacting the allosteric communication within the FGFR2 kinase domain. Evidence Type: Functional | Mutation: R669G | Summary: The R669G mutation is suggested to disrupt inhibitory interactions near the A-loop, contributing to changes in the allosteric mechanism of FGFR1. Evidence Type: Functional | Mutation: R675G | Summary: The R675G mutation is implicated in altering the allosteric mechanism of FGFR1 by affecting the interactions involving the A-loop. Evidence Type: Functional | Mutation: R675 | Summary: The R675 mutation is associated with changes in the allosteric communication within the FGFR1 kinase domain, similar to the R675G variant.

      Gene→Variant (gene-first): 2261:K650E 2261:R669G 2260:R675 2260:R675G

      Genes: 2261 2260

      Variants: K650E R669G R675 R675G

    8. To gain further insight into the activation mechanism of the R669G mutation in FGFR3, we performed NMR studies in which we compared the backbone amide chemical shift perturbations (CSPs) associated with the R669G mutatio

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 23

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: R669G | Summary: The R669G mutation in FGFR3 alters molecular interactions and promotes an active conformation, as indicated by significant chemical shift perturbations observed in NMR studies.

      Gene→Variant (gene-first): 2261:R669G

      Genes: 2261

      Variants: R669G

    9. Comparison of this new FGFR1 R675G KD structure (Figure 4C, top) with inactive (apo) FGFR1 KD (PDB: 4UWY) and active, FGFR1-3P (pdb 3GQI) (Figure 4C, bottom) structures shows that FGFR1 R675G KD differs from the inactive

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 22

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: R675G | Summary: The R675G mutation alters the molecular interactions within the FGFR1 kinase domain, leading to a change in conformation that affects the overall structure and function of the protein. Evidence Type: Functional | Mutation: R675 | Summary: The R675 residue is involved in critical hydrogen bonding and van der Waals interactions that are essential for maintaining the inactive conformation of FGFR1, indicating its role in molecular function. Evidence Type: Functional | Mutation: H650 | Summary: The H650 residue participates in hydrogen bonding with R675, which is crucial for the structural integrity of the inactive FGFR1 kinase domain, highlighting its functional importance. Evidence Type: Functional | Mutation: Y653 | Summary: The Y653 residue is involved in van der Waals interactions with R675, contributing to the structural stability of the FGFR1 kinase domain and its functional state.

      Gene→Variant (gene-first): 2261:H650 2260:R675 2260:R675G 2263:Y653

      Genes: 2261 2260 2263

      Variants: H650 R675 R675G Y653

    10. The residue corresponding to R669 in FGFR3 is conserved and also mutated in all other FGFRs in cancer as well as in FGFR2 in bone dysplasia (Supplementary Table S1). To assess the mechanism that underpins activation, we

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 21

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: R669 | Summary: The R669 mutation in FGFR3 is associated with cancer, indicating its contribution to tumor development or progression. Evidence Type: Functional | Mutation: R to G | Summary: The R to G replacement in FGFR1 KD alters the molecular activity of the protein, suggesting a functional change. Evidence Type: Oncogenic | Mutation: R675G | Summary: The R675G variant in FGFR1 KD shows higher activity compared to wild type, indicating its potential role in tumor development or progression.

      Gene→Variant (gene-first): 2260:R to G 2261:R669 2260:R675G

      Genes: 2260 2261

      Variants: R to G R669 R675G

    11. Activation mechanism of FGFR3 R669G mutation

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 20

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: R669G | Summary: The passage discusses the activation mechanism of the FGFR3 R669G mutation, indicating that it alters molecular or biochemical function.

      Gene→Variant (gene-first): 2261:R669G

      Genes: 2261

      Variants: R669G

    12. Comparison of our experimental data (Figure 2) with the assessments obtained using bioinformatics tools (Supplementary Table S1B and S1C) suggests that considering multiple methods together can provide insight into the i

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 19

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: D617G | Summary: The D617G mutation is predicted to reduce protein production or completely inactivate the kinase, indicating a functional alteration. Evidence Type: Functional | Mutation: E466K | Summary: The E466K mutation is predicted to reduce protein production or completely inactivate the kinase, indicating a functional alteration. Evidence Type: Functional | Mutation: G637W | Summary: The G637W mutation is predicted to reduce protein production or completely inactivate the kinase, indicating a functional alteration. Evidence Type: Oncogenic | Mutation: R669 | Summary: The R669 mutation is located within an identified cluster of observed A-loop cancer mutations, suggesting its contribution to tumor development or progression.

      Gene→Variant (gene-first): 2261:D617G 2263:E466K 2260:G637W 2261:R669

      Genes: 2261 2263 2260

      Variants: D617G E466K G637W R669

    13. Analysis of the FGFR3 R669G NIH3T3 cell line has shown that despite low expression levels, downstream signaling appeared to be enhanced as well as FGFR3 phosphorylation (Figure 4A).

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 18

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: R669G | Summary: The R669G mutation in FGFR3 is associated with altered molecular function, as indicated by enhanced downstream signaling and increased FGFR3 phosphorylation in the NIH3T3 cell line.

      Gene→Variant (gene-first): 2261:R669G

      Genes: 2261

      Variants: R669G

    14. It could be expected that some mutations that map to the KD do not affect kinase activity directly as measured under conditions in vitro. In particular, the hotspot G697C mutation which does not have an effect in such as

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 17

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: G697C | Summary: The G697C mutation does not affect kinase activity directly as measured in vitro, suggesting it may alter FGFR3 function in a cellular setting. Evidence Type: Oncogenic | Mutation: K650E | Summary: The K650E mutation is associated with a transformed phenotype and anchorage independent growth in cell lines, indicating its role in tumor development. Evidence Type: Oncogenic | Mutation: N540K | Summary: The N540K mutation is also linked to a transformed phenotype and anchorage independent growth in cell lines, supporting its contribution to tumor progression.

      Gene→Variant (gene-first): 2261:G697C 2261:K650E 2261:N540K

      Genes: 2261

      Variants: G697C K650E N540K

    15. From these direct measurements of kinase activity it seems that a considerable number of mutations reported so far result in kinase activation to some degree and that replacements that cause activation are not limited to

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 16

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: K650E | Summary: The K650E mutation is associated with altered kinase activity, indicating that it affects the molecular function of the FGFR3 protein. Evidence Type: Oncogenic | Mutation: K650E | Summary: The K650E mutation is described as a highly activating variant, suggesting its contribution to tumor development or progression.

      Gene→Variant (gene-first): 2261:K650E

      Genes: 2261

      Variants: K650E

    16. Two mutations, D617G and G637W, completely abolished kinase activity (Figure 2A and 2B, bottom panel). Both residues are strongly conserved among protein kinases and some of the replacements of these residues in various

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 15

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: D617G | Summary: The D617G mutation completely abolished kinase activity, indicating that it alters molecular function. Evidence Type: Functional | Mutation: G637W | Summary: The G637W mutation also resulted in kinase inactivation, demonstrating an alteration in molecular function.

      Gene→Variant (gene-first): 2261:D617 2261:D617G 2261:G to W 2260:G637 2260:G637W

      Genes: 2261 2260

      Variants: D617 D617G G to W G637 G637W

    17. Twelve out of 26 analyzed mutations had very little or no effect on FGFR3 KD activity (Figure 2A and 2B, bottom panel). The number of observations in cancer for most of these mutations is low with the exception of G697C

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 14

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: G697C | Summary: The G697C mutation is mentioned in the context of FGFR3 KD activity, indicating that it alters molecular or biochemical function. Evidence Type: Oncogenic | Mutation: G697C | Summary: The G697C mutation is described as one of the hotspots, suggesting its contribution to tumor development or progression.

      Gene→Variant (gene-first): 2261:G697C

      Genes: 2261

      Variants: G697C

    18. Several other mutations, including V555M, D641G and D641N resulted in an increase of auto-phosphorylation up to 7-fold (Figure 2A) and a similar increase in substrate phosphorylation (Figure 2B, middle panel). The V555M

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 13

      Evidence Type(s): Functional, Predictive

      Summary: Evidence Type: Functional | Mutation: D641G | Summary: The D641G mutation resulted in an increase of auto-phosphorylation and substrate phosphorylation, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: D641N | Summary: The D641N mutation also resulted in an increase of auto-phosphorylation and substrate phosphorylation, indicating an alteration in molecular function. Evidence Type: Predictive | Mutation: V555M | Summary: The V555M mutation is described as an acquired resistance mutation to an FGFR inhibitor, indicating a correlation with resistance to a specific therapy. Evidence Type: Functional | Mutation: V555 | Summary: The V555 mutation is associated with an increase in kinase activity, indicating an alteration in molecular function.

      Gene→Variant (gene-first): 2260:D641G 2260:D641N 2261:V555 2261:V555M

      Genes: 2260 2261

      Variants: D641G D641N V555 V555M

    19. Isolated FGFR KDs undergo auto-phosphorylation on several tyrosine residues and this property correlates well with the kinase activity towards natural and synthetic substrates. We used purified proteins of 26 FGFR3 KD va

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 12

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: K650E | Summary: The K650E mutation significantly increases auto-phosphorylation of FGFR3 KD, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: K650N | Summary: The K650N mutation results in less activation of FGFR3 KD auto-phosphorylation compared to K650E, suggesting it alters molecular function. Evidence Type: Functional | Mutation: N540K | Summary: The N540K mutation leads to a substantial increase in auto-phosphorylation of FGFR3 KD, indicating a change in molecular function. Evidence Type: Functional | Mutation: N540S | Summary: The N540S mutation is associated with reduced activation of FGFR3 KD auto-phosphorylation, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: R669G | Summary: The R669G mutation is the most activating variant in the assay, resulting in increased auto-phosphorylation of FGFR3 KD, indicating a change in molecular function. Evidence Type: Functional | Mutation: R669Q | Summary: The R669Q mutation also results in increased auto-phosphorylation of FGFR3 KD, indicating an alteration in molecular function. Evidence Type: Functional | Mutation: I538V | Summary: The I538V mutation is the least activating among variants that increase FGFR3 KD auto-phosphorylation, suggesting it alters molecular function.

      Gene→Variant (gene-first): 2263:I538V 2261:K650E 2261:K650N 2261:N540K 2261:N540S 2261:R669G 2261:R669Q

      Genes: 2263 2261

      Variants: I538V K650E K650N N540K N540S R669G R669Q

    20. The number of cancer mutations in FGFR KDs that have been comprehensively assessed for their functional impact is limited, with the most emphasis being on replacements at positions corresponding to FGFR3 K650 and mutatio

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 11

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: K650 | Summary: The mutation FGFR3 K650 has been assessed for its functional impact, indicating that it alters molecular or biochemical function. Evidence Type: Functional | Mutation: N540K | Summary: The mutation FGFR3 N540K has been assessed for its functional impact, indicating that it alters molecular or biochemical function.

      Gene→Variant (gene-first): 2261:K650 2261:N540K

      Genes: 2261

      Variants: K650 N540K

    21. A number of crystal structures of FGFR KD in non-phosphorylated and phosphorylated forms have been reported. The 3D-structures highlighted the features that undergo substantial changes and play a key role in the activati

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: K650 | Summary: The K650 mutation is located in a hot spot within the A-loop of the FGFR3 kinase domain, suggesting its contribution to tumor development or progression. Evidence Type: Oncogenic | Mutation: R669 | Summary: The R669 mutation is situated near the A-loop of the FGFR3 kinase domain, indicating its potential role in tumor development or progression. Evidence Type: Functional | Mutation: N540 | Summary: The N540 mutation is part of the molecular brake in the FGFR3 structure, suggesting it alters molecular or biochemical function. Evidence Type: Functional | Mutation: I538 | Summary: The I538 mutation is also part of the molecular brake in the FGFR3 structure, indicating it may affect molecular or biochemical function.

      Gene→Variant (gene-first): 2263:I538 2261:K650 2261:N540 2261:R669

      Genes: 2263 2261

      Variants: I538 K650 N540 R669

    22. Comparison of positions mutated in bone dysplasia in all FGFRs with those reported for FGFR3 in cancer (Figure 1B, bottom) highlighted common residues including I538, N540, K650 and R669. With respect to the secondary st

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 6

      Evidence Type(s): None

      Summary: Not enough information in this passage.

      Gene→Variant (gene-first): 2261:G697 2263:I538 2261:K650 2261:N540 2261:R669

      Genes: 2261 2263

      Variants: G697 I538 K650 N540 R669

    23. It has been previously highlighted that a number of cancer mutations, in particular in FGFR2 and FGFR3, have also been described in various developmental syndromes such as bone dysplasia. Positions mutated in FGFR3 in th

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 5

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: K650 | Summary: The K650 mutation in FGFR3 is associated with tumor development and progression, particularly in cancer contexts. Evidence Type: Oncogenic | Mutation: N540 | Summary: The N540 mutation in FGFR3 contributes to tumor development and is noted in the context of cancer. Evidence Type: Oncogenic | Mutation: N540K | Summary: The N540K mutation is frequently observed in cancer and is indicative of oncogenic behavior in FGFR3.

      Gene→Variant (gene-first): 2261:K650 2261:N540 2261:N540K

      Genes: 2261

      Variants: K650 N540 N540K

    24. The intracellular portion (residues 397-806 for FGFR3) comprises the juxtamembrane region, KD and C-terminal regions. The number of observed mutations at each residue within the intracellular portion of FGFR3 was compile

      [Paragraph-level] PMCID: PMC5029699 Section: RESULTS PassageIndex: 4

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: K650 | Summary: The mutation K650 in FGFR3 is identified as a frequently mutated hotspot in cancer, indicating its contribution to tumor development or progression. Evidence Type: Oncogenic | Mutation: G697 | Summary: The mutation G697 is noted as a frequently mutated hotspot in FGFR3, suggesting its role in tumor development or progression.

      Gene→Variant (gene-first): 2261:G697 2261:G697C 2261:K650 2261:N540

      Genes: 2261

      Variants: G697 G697C K650 N540

    1. To elucidate the functional consequences of ETV6 alterations, we performed luciferase reporter assays using an ETV6-responsive reporter construct (pGL2-754TR) derived from the stromelysin-1 gene. In line with the role of

      [Paragraph-level] PMCID: PMC3244026 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: V345fs | Summary: The V345fs ETV6 mutant is functionally inactive, showing no transcriptional repression activity and exhibiting dominant-negative activity compared to wild-type ETV6. Evidence Type: Functional | Mutation: N356fs | Summary: The N356fs ETV6 mutant is functionally inactive, demonstrating a lack of transcriptional repression activity and exhibiting dominant-negative activity compared to wild-type ETV6. Evidence Type: Functional | Mutation: Y103fs | Summary: The Y103fs ETV6 mutant is functionally inactive, with no transcriptional repression activity and exhibiting dominant-negative activity compared to wild-type ETV6. Evidence Type: Functional | Mutation: S105fs | Summary: The S105fs ETV6 mutant is functionally inactive, showing no transcriptional repression activity and exhibiting dominant-negative activity compared to wild-type ETV6.

      Gene→Variant (gene-first): 2120:N356fs 2120:S105fs 2120:V345fs 2120:Y103fs

      Genes: 2120

      Variants: N356fs S105fs V345fs Y103fs

    2. The ETV6 tumor suppressor gene is frequently translocated in lymphoid and myeloid hematopoietic tumors and encodes a transcriptional repressor with an N-terminal pointed (PNT) homodimerization domain and a C-terminal ETS

      [Paragraph-level] PMCID: PMC3244026 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: Y103fs | Summary: The Y103fs mutation leads to the expression of N-terminal truncated protein products that alter the molecular function of the ETV6 protein. Evidence Type: Functional | Mutation: S105fs | Summary: The S105fs mutation results in the activation of internal translation initiation sites and the expression of truncated ETV6 protein products, indicating a change in molecular function. Evidence Type: Functional | Mutation: V345fs | Summary: The V345fs mutation causes the expression of C-terminal truncated polypeptides, which alters the molecular function of the ETV6 protein. Evidence Type: Functional | Mutation: N356fs | Summary: The N356fs mutation results in the expression of C-terminal truncated ETV6 proteins, indicating a change in molecular function.

      Gene→Variant (gene-first): 2120:N356fs 2120:S105fs 2120:V345fs 2120:Y103fs

      Genes: 2120

      Variants: N356fs S105fs V345fs Y103fs

    1. NM_005648.4(ELOC):c.236A>G (p.Tyr79Cys) was originally described as a somatic variant in six RCCs without VHL inactivation, in three cases within The Cancer Genome Atlas and subsequently in five cases from the Memorial S

      [Paragraph-level] PMCID: PMC9402235 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: c.236A>G (p.Tyr79Cys) | Summary: The c.236A>G (p.Tyr79Cys) variant is described as a somatic variant in renal cell carcinomas (RCCs) and contributes to tumor development in VHL-independent renal tumorigenesis. Evidence Type: Oncogenic | Mutation: c.274G>A (p.Glu92Lys) | Summary: The c.274G>A (p.Glu92Lys) variant is identified as a somatic variant in RCC, contributing to tumor development. Evidence Type: Oncogenic | Mutation: c.74A>T (p.Asp25Val) | Summary: The c.74A>T (p.Asp25Val) variant is reported as a somatic variant in RCC, indicating its role in tumor development. Evidence Type: Oncogenic | Mutation: c.311T>A (p.Leu104Gln) | Summary: The c.311T>A (p.Leu104Gln) variant is noted as a somatic variant in RCC, suggesting its involvement in tumor progression. Evidence Type: Functional | Mutation: c.261_272del (p.Thr88_Pro91del) | Summary: The c.261_272del (p.Thr88_Pro91del) variant is described as an in-frame deletion that alters molecular function, contributing to the understanding of ELOC variants in RCC.

      Gene→Variant (gene-first): 3091:c.236A>G 6921:c.261_272del 5979:c.274G>A 6921:c.311T>A 3855:c.74A>T 3855:p.Asp25Val 7409:p.Glu92Lys 6921:p.Leu104Gln 6921:p.Thr88_Pro91del 3091:p.Tyr79Cys

      Genes: 3091 6921 5979 3855 7409

      Variants: c.236A>G c.261_272del c.274G>A c.311T>A c.74A>T p.Asp25Val p.Glu92Lys p.Leu104Gln p.Thr88_Pro91del p.Tyr79Cys

    2. Microarray-based comparative genomic hybridization (aCGH) performed on the DNA pair extracted from the proband's right RCC and blood showed evidence of monosomy for chromosomes 8, 21 and 22 and no somatic alterations wer

      [Paragraph-level] PMCID: PMC9402235 Section: RESULTS PassageIndex: 6

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: c.236A>G | Summary: The c.236A>G variant is associated with mosaicism, suggesting it alters molecular or biochemical function. Evidence Type: Functional | Mutation: p.Tyr79Cys | Summary: The p.Tyr79Cys variant is associated with mosaicism, indicating it alters molecular or biochemical function.

      Gene→Variant (gene-first): 3091:236A>G 3091:c.236A>G 3091:p.Tyr79Cys

      Genes: 3091

      Variants: 236A>G c.236A>G p.Tyr79Cys

    3. Routine diagnostic testing by Sanger sequencing and multiplex ligation-dependent probe amplification (MLPA) for a germline VHL variant showed no abnormality, and after informed written consent, the proband and her parent

      [Paragraph-level] PMCID: PMC9402235 Section: RESULTS PassageIndex: 5

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: c.236A>G (p.Tyr79Cys) | Summary: The de novo missense variant c.236A>G (p.Tyr79Cys) alters the molecular function of the ELOC gene, as the Tyr79 residue is critical for forming a hydrogen bond with the Pro154 residue within the pVHL alpha domain. Evidence Type: Oncogenic | Mutation: c.236A>G (p.Tyr79Cys) | Summary: The missense variant c.236A>G (p.Tyr79Cys) is implicated in tumor development due to its location in the tetramerization domain of the ELOC gene, which is essential for its function in the context of VHL disease.

      Gene→Variant (gene-first): 3091:Tyr79 3091:Y79 3091:c.236A>G 3091:p.Tyr79Cys

      Genes: 3091

      Variants: Tyr79 Y79 c.236A>G p.Tyr79Cys

    1. In the retrospective cohort (n = 102), 14 samples were excluded due to insufficient coverage. Among the remaining 88 cases, 45 cases had mutations: 27 PIK3CA, 11 TEK (one with two mutations in cis, TEK: c.[2690A > G; c.2

      [Paragraph-level] PMCID: PMC6594036 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: 2690A > G | Summary: The mutation 2690A > G in the TEK gene is associated with tumor development or progression. Evidence Type: Oncogenic | Mutation: c.2752A > G | Summary: The mutation c.2752A > G in the TEK gene is associated with tumor development or progression. Evidence Type: Functional | Mutation: Arg918Cys | Summary: The mutation Arg918Cys is likely to alter molecular or biochemical function. Evidence Type: Functional | Mutation: Tyr897Cys | Summary: The mutation Tyr897Cys is likely to alter molecular or biochemical function.

      Gene→Variant (gene-first): 7010:2690A > G 3845:Arg918Cys 7010:Tyr897Cys 7010:c.2752A > G

      Genes: 7010 3845

      Variants: 2690A > G Arg918Cys Tyr897Cys c.2752A > G

    1. The BRCA1 tumor suppressor gene encodes a multi-domain protein for which several functions have been described. These include a key role in homologous recombination repair (HRR) of DNA double-strand breaks (DSB), which i

      [Paragraph-level] PMCID: PMC7612117 Section: ABSTRACT PassageIndex: 1

      Evidence Type(s): Oncogenic, Functional, Predictive, Prognostic

      Summary: Evidence Type: Oncogenic | Mutation: p.L1363P | Summary: The BRCA1 p.L1363P variant contributes to tumor development, as it leads to the acceleration of mammary tumors in genetically engineered mice, indicating its role in cancer progression. Evidence Type: Functional | Mutation: p.L1363P | Summary: The BRCA1 p.L1363P variant disrupts the interaction with PALB2 and results in HRR incompetence, demonstrating an alteration in molecular function. Evidence Type: Predictive | Mutation: p.L1363P | Summary: The BRCA1 p.L1363P variant is responsive to cisplatin and PARP inhibition, indicating its potential correlation with treatment response. Evidence Type: Prognostic | Mutation: p.L1363P | Summary: The presence of the BRCA1 p.L1363P variant is associated with distinct histopathological features and stable DNA copy number profiles in tumors, which may correlate with disease outcome.

      Gene→Variant (gene-first): 7158:p.L1363P

      Genes: 7158

      Variants: p.L1363P

    1. We examined Mig-6 expression in PC9 cells harboring the EGFR exon 19 deletion and PC9/GR cells, which have EGFR-TKI resistance with an acquired T790M mutation. Western blotting and immunofluorescence analyses showed that

      [Paragraph-level] PMCID: PMC7302243 Section: RESULTS PassageIndex: 3

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: T790M | Summary: The T790M mutation is associated with acquired resistance to EGFR-TKI therapy in PC9/GR cells, indicating its role in treatment response. Evidence Type: Oncogenic | Mutation: T790M | Summary: The T790M mutation contributes to tumor progression by conferring resistance to targeted therapies in the context of EGFR-driven cancer.

      Gene→Variant (gene-first): 1956:T790M

      Genes: 1956

      Variants: T790M

    1. Activation of p110beta/p85alpha-nicSH2 and p110delta/p85alpha-nicSH2 complexes by phosphopeptide also induces lipid binding (Figure 5a). This is in agreement with the recent report for p110delta in a complex with full-le

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 24

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: H1047 | Summary: The mutation H1047 is associated with altered lipid binding capabilities among the p110 isoforms, indicating a change in molecular function. Evidence Type: Functional | Mutation: H1047L | Summary: The mutation H1047L shows increased lipid binding levels compared to other p110 isoforms, suggesting a modification in biochemical function.

      Gene→Variant (gene-first): 5290:H1047 5290:H1047L

      Genes: 5290

      Variants: H1047 H1047L

    2. The p85alpha nSH2 does not contact the lipid binding elements in the kinase C-lobe (Figure 4a) but appears to control their access to membrane (Figure 3f-j). This suggests the activation mechanism by nSH2 to be allosteri

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 22

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: H1047R | Summary: The H1047R mutation in p110alpha appears to induce a global conformational change that may impact the molecular activity of the kinase C-lobe, suggesting a functional alteration in its biochemical properties.

      Gene→Variant (gene-first): 5290:H1047R

      Genes: 5290

      Variants: H1047R

    3. For non-kinase domain mutants, the nature of the effects of hydrophobicity is not immediately obvious. Disruption of the C2-iSH2 (C420R and p85alpha-N564D) or the C2/helical-nSH2 contacts (E545K) could expose hydrophobic

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 20

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: C420R | Summary: The C420R mutation alters the molecular interactions within the C2 domain, potentially affecting lipid binding due to changes in hydrophobicity. Evidence Type: Functional | Mutation: N564D | Summary: The N564D mutation modifies the polar contacts in the C2 domain, which may influence the interaction with phospholipid headgroups. Evidence Type: Functional | Mutation: E545K | Summary: The E545K mutation disrupts contacts in the C2/helical-nSH2 region, potentially exposing hydrophobic areas that could affect lipid binding.

      Gene→Variant (gene-first): 5290:C420 5290:C420R 5290:E545K 5295:N345 5295:N564 5295:N564D

      Genes: 5290 5295

      Variants: C420 C420R E545K N345 N564 N564D

    4. Despite their different chemical properties, the kinase domain mutants, H1047L, H1047R and G1049R, exhibit similarly high levels of hydrophobic binding to neutral lipids, and electrostatic binding to PS/PtdIns(4,5)P2-con

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 19

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: G1049R | Summary: The G1049R mutation alters molecular function by exhibiting high levels of hydrophobic and electrostatic binding to lipids upon phosphopeptide activation. Evidence Type: Functional | Mutation: H1047L | Summary: The H1047L mutation alters molecular function by exhibiting high levels of hydrophobic and electrostatic binding to lipids upon phosphopeptide activation. Evidence Type: Functional | Mutation: H1047R | Summary: The H1047R mutation alters molecular function by exhibiting high levels of hydrophobic and electrostatic binding to lipids upon phosphopeptide activation.

      Gene→Variant (gene-first): 5290:G1049R 5290:H1047L 5290:H1047R

      Genes: 5290

      Variants: G1049R H1047L H1047R

    5. There is a pattern correlating the location of the mutations with their hydrophobic component of lipid binding (Figure 3j): non-kinase domain mutants (C420R, E545K and p85alpha-N564D) display high levels of hydrophobic i

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 18

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: C420R | Summary: The C420R mutation alters molecular function by displaying high levels of hydrophobic interaction with neutral lipids in the basal state. Evidence Type: Functional | Mutation: E545K | Summary: The E545K mutation alters molecular function by displaying high levels of hydrophobic interaction with neutral lipids in the basal state. Evidence Type: Functional | Mutation: N564D | Summary: The N564D mutation alters molecular function by displaying high levels of hydrophobic interaction with neutral lipids in the basal state.

      Gene→Variant (gene-first): 5290:C420R 5290:E545K 5295:N564D

      Genes: 5290 5295

      Variants: C420R E545K N564D

    6. Overall, there is a strong correlation between lipid kinase activity and lipid binding (Figure 3i,j, total lipid binding on Fc4 is shown in Supplementary Figure S3), underscoring enhanced lipid binding as a general mecha

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 17

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: E545K | Summary: The E545K mutation is associated with enhanced lipid binding and increased basal activity, indicating its role in tumor development or progression.

      Gene→Variant (gene-first): 5290:E545K

      Genes: 5290

      Variants: E545K

    7. To gain a broader view of the effects of cancer-linked mutations, we studied seven mutations that have previously been characterized to be activating. They cover three structurally distinct regions (Figure 3a-c), namely,

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 16

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: C420R | Summary: The C420R mutation is characterized as activating, indicating its contribution to tumor development or progression. Evidence Type: Oncogenic | Mutation: E545K | Summary: The E545K mutation is described as activating, suggesting it plays a role in tumor development or progression. Evidence Type: Oncogenic | Mutation: G1049R | Summary: The G1049R mutation is noted to be activating, which implies its involvement in tumor development or progression. Evidence Type: Oncogenic | Mutation: H1047L | Summary: The H1047L mutation is characterized as activating, indicating its contribution to tumor development or progression. Evidence Type: Oncogenic | Mutation: H1047R | Summary: The H1047R mutation is described as activating, suggesting it plays a role in tumor development or progression. Evidence Type: Oncogenic | Mutation: M1043I | Summary: The M1043I mutation is noted to be activating, which implies its involvement in tumor development or progression.

      Gene→Variant (gene-first): 5290:C420R 5290:E545K 5290:G1049R 5290:H1047L 5290:H1047R 5290:M1043I 5295:N564D

      Genes: 5290 5295

      Variants: C420R E545K G1049R H1047L H1047R M1043I N564D

    8. Using PtdIns(4,5)P2-containing liposomes, no kinase activity could be detected for three engineered kinase domain mutants: (i) the activation loop mutant R949D, (ii) the kinase helix kalpha12 deletion mutant (Deltacterm)

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 14

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: K942Q | Summary: The K942Q mutation is associated with altered lipid binding properties, indicating a change in molecular function related to lipid interactions. Evidence Type: Functional | Mutation: R949D | Summary: The R949D mutation shows much reduced binding to anionic lipids, suggesting an alteration in molecular function related to lipid interactions.

      Gene→Variant (gene-first): 5294:K942Q 5294:R949D

      Genes: 5294

      Variants: K942Q R949D

    9. To test whether lipid binding forms the basis of p110 activation, we compared lipid kinase with lipid binding activities for three sets of p110alpha/p85alpha complexes: SH2 deletions in p85alpha, engineered mutations in

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: D915N | Summary: The D915N mutation in the catalytic DRH motif of p110alpha is associated with altered molecular function, specifically in the context of lipid binding and activation of the p110/p85 complex. Evidence Type: Oncogenic | Mutation: D915N | Summary: The D915N mutation is described as a cancer-linked mutation, indicating its contribution to tumor development or progression.

      Gene→Variant (gene-first): 5290:D915N

      Genes: 5290

      Variants: D915N

    10. Deletion of helix kalpha12 in Vps34, p110beta and p110delta abrogated lipid kinase activity and lipid binding. This region is also of functional importance for p110alpha (see below). Deletion of kalpha12 in Vps34 and in

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: deletion of residues 1051-1068 | Summary: The deletion of residues 1051-1068 in p110alpha alters its molecular function by abrogating lipid kinase activity and lipid binding, indicating its functional importance.

      Gene→Variant (gene-first): 5290:deletion of residues 1051-1068

      Genes: 5290

      Variants: deletion of residues 1051-1068

    11. Our structure is for the WT p110alpha, but the kinase C-terminal tail more closely resembles those in the structures of the oncogenic mutant H1047R p110alpha/p85alpha-niSH2, than that in the WT apo p110alpha/p85alpha-iSH

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 6

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: H1047R | Summary: The H1047R mutation in p110alpha is described as an oncogenic mutant, indicating its contribution to tumor development or progression. Evidence Type: Functional | Mutation: H1047R | Summary: The passage discusses structural features of the H1047R mutant, suggesting that this variant alters molecular or biochemical function, particularly in relation to its conformation and interactions within the protein structure.

      Gene→Variant (gene-first): 5290:H1047R

      Genes: 5290

      Variants: H1047R

    12. A crystal structure of mouse WT p110alpha in complex with human p85alpha niSH2 fragment and the p110beta/p110delta selective inhibitor PIK-108 has been determined and refined to 3.5 A (Rwork/Rfree=0.184/0.228) (acronyms

      [Paragraph-level] PMCID: PMC3378484 Section: RESULTS PassageIndex: 3

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: K942 | Summary: The mutation K942 is described as being important for p110gamma recognizing the substrate PtdIns(4,5)P2 head group, indicating that it alters molecular or biochemical function. Evidence Type: Functional | Mutation: R949 | Summary: The mutation R949 is also noted for its importance in the recognition of the substrate PtdIns(4,5)P2 head group, suggesting it alters molecular or biochemical function.

      Gene→Variant (gene-first): 5294:K942 5294:R949

      Genes: 5294

      Variants: K942 R949

    1. This analysis reported a mutation in BRAF p.V600E c.1799T > A (8819 reads out of a total 16,712 sequence reads for an allele frequency of 52.77). After multidisciplinary discussion at our molecular tumour board, it was d

      [Paragraph-level] PMCID: PMC4239128 Section: RESULTS PassageIndex: 2

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: 1799T > A; p.V600E | Summary: The mutation p.V600E in BRAF is associated with a potential vulnerability to BRAF inhibition, indicating a correlation with response to therapy using dabrafenib and trametinib. Evidence Type: Oncogenic | Mutation: 1799T > A; p.V600E | Summary: The BRAF p.V600E mutation is implicated in tumor development and progression, contributing to the malignancy's characteristics.

      Gene→Variant (gene-first): 673:1799T > A 673:p.V600E

      Genes: 673

      Variants: 1799T > A p.V600E

    1. Our data suggest that some clinically relevant D835 mutants retain sensitivity to type II inhibitors at clinically achievable drug concentrations and propose a molecular mechanism for differences in sensitivity for indiv

      [Paragraph-level] PMCID: PMC4675689 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Predictive, Functional, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: D835 | Summary: The D835 mutation is associated with sensitivity to type II inhibitors, suggesting that certain D835 mutants may respond to therapy despite being excluded from clinical trials. Evidence Type: Functional | Mutation: D835 | Summary: The D835 residue is critical for stabilizing the inactive conformation of FLT3, and mutations at this site affect the molecular interactions necessary for type II inhibitor binding. Evidence Type: Oncogenic | Mutation: D835 | Summary: The D835 mutation contributes to tumor development by influencing the kinase's conformation and resistance to inhibitors. Evidence Type: Predictive | Mutation: D835N/E | Summary: The D835N/E mutations may retain sensitivity to type II FLT3 TKIs, indicating a potential response to therapy. Evidence Type: Functional | Mutation: D835N/E | Summary: The D835N/E mutations preserve critical structural features necessary for the binding of type II inhibitors, affecting the molecular function of FLT3. Evidence Type: Oncogenic | Mutation: D835N/E | Summary: The D835N/E mutations are implicated in tumor progression by maintaining a conformation that allows for continued kinase activity despite treatment.

      Gene→Variant (gene-first): 2322:D835 2322:D835N/E

      Genes: 2322

      Variants: D835 D835N/E

    2. Unlike the mutations discussed above, the models of the moderately resistant D835H mutation based each of the two template structures differ from each other. We assume the model based on the quizartinib template is more

      [Paragraph-level] PMCID: PMC4675689 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Predictive, Functional

      Summary: Evidence Type: Predictive | Mutation: D835H | Summary: The D835H mutation is associated with resistance to type II inhibitors, indicating a correlation with treatment response and sensitivity to specific therapies. Evidence Type: Functional | Mutation: D835H | Summary: The D835H mutation alters molecular interactions, specifically affecting hydrogen bond formation and binding mode accommodation, which impacts its biochemical function.

      Gene→Variant (gene-first): 2322:D835H

      Genes: 2322

      Variants: D835H

    3. The most highly resistant mutants (D835Y/V/I/F) are large and bulky hydrophobic amino acid residues. In addition to an inability to hydrogen bond with S838, these large side chains are predicted to be sterically incompat

      [Paragraph-level] PMCID: PMC4675689 Section: RESULTS PassageIndex: 6

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: D835Y | Summary: The D835Y mutation alters molecular interactions, as it is described as having large and bulky hydrophobic amino acid residues that affect hydrogen bonding and steric compatibility. Evidence Type: Functional | Mutation: D835V | Summary: The D835V mutation is characterized by large and bulky hydrophobic amino acid residues, impacting molecular interactions and steric compatibility with the protein structure.

      Gene→Variant (gene-first): 2322:D835Y/V

      Genes: 2322

      Variants: D835Y/V

    4. The most sensitive mutants (D835E/N) are characterized by the predicted preservation of the hydrogen bond between D835 and S838 based on models utilizing both the apo and holo structures as templates. Side chains of the

      [Paragraph-level] PMCID: PMC4675689 Section: RESULTS PassageIndex: 5

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: D835E/N | Summary: The D835E/N mutations are predicted to preserve hydrogen bonding interactions that maintain the structural integrity of the protein, suggesting an alteration in molecular function related to inhibitor binding. Evidence Type: Oncogenic | Mutation: D835E/N | Summary: The D835E/N mutations contribute to tumor development by preserving the DFG-out conformation, which is associated with sensitivity to type II inhibitors, indicating a role in cancer progression.

      Gene→Variant (gene-first): 2322:D835 2322:D835E/N

      Genes: 2322

      Variants: D835 D835E/N

    5. It is not straightforward to rationalize the effect of mutations near or in the short alpha-helix on the distant drug-binding active site. Nevertheless, it has been suggested that the short alpha-helix, which is part of

      [Paragraph-level] PMCID: PMC4675689 Section: RESULTS PassageIndex: 4

      Evidence Type(s): Predictive, Functional

      Summary: Evidence Type: Predictive | Mutation: D835 | Summary: The D835 mutation is associated with resistance to type II inhibitors, suggesting a correlation with treatment response or resistance. Evidence Type: Functional | Mutation: D835 | Summary: The D835 mutation impacts the short alpha-helix, which is coupled to the drug-binding site, indicating an alteration in molecular function.

      Gene→Variant (gene-first): 2322:D835

      Genes: 2322

      Variants: D835

    6. Type II inhibitors bind to the conformation coupled to the DFG-out position of the kinase AL (residues 829-856 in FLT3). As previously noted, D835 is predicted to play a critical role in the stabilization of the DFG-out

      [Paragraph-level] PMCID: PMC4675689 Section: RESULTS PassageIndex: 3

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: D835 | Summary: The D835 mutation is predicted to play a critical role in stabilizing the DFG-out conformation of the kinase AL by serving as an amino-terminal capping residue for a short alpha-helix, indicating its impact on molecular function.

      Gene→Variant (gene-first): 2322:D835

      Genes: 2322

      Variants: D835

    7. We profiled all D835 substitutions previously reported to cause FLT3 TKI resistance in patients, as well as D835 mutations occurring in patients as cataloged in the Sanger COSMIC database or the Cancer Genome Atlas. Inhi

      [Paragraph-level] PMCID: PMC4675689 Section: RESULTS PassageIndex: 2

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: D835 | Summary: The D835 mutation is associated with resistance to FLT3 tyrosine kinase inhibitors (TKIs), indicating its predictive value for therapy response. Evidence Type: Oncogenic | Mutation: D835 | Summary: D835 substitutions are reported to contribute to FLT3 TKI resistance, suggesting their role in tumor development and progression. Evidence Type: Predictive | Mutation: D835V/Y/F | Summary: The D835V/Y/F mutations are linked to a high degree of resistance to type II FLT3 inhibitors, indicating their predictive value for therapy response. Evidence Type: Oncogenic | Mutation: D835V/Y/F | Summary: The D835V/Y/F mutations are implicated in clinical resistance to FLT3 inhibitors, supporting their oncogenic potential. Evidence Type: Predictive | Mutation: D835H | Summary: The D835H mutation is associated with intermediate resistance to sorafenib, indicating its predictive value for therapy response. Evidence Type: Oncogenic | Mutation: D835H | Summary: The D835H mutation has been observed in clinical resistance to sorafenib, suggesting its role in tumor progression. Evidence Type: Predictive | Mutation: D835A/E/G/N | Summary: The D835A/E/G/N mutations conferred the least degree of resistance to type II inhibitors, indicating their predictive value for therapy response. Evidence Type: Oncogenic | Mutation: D835A/E/G/N | Summary: The D835A/E/G/N mutations are associated with lower resistance to FLT3 inhibitors, suggesting their involvement in tumor behavior.

      Gene→Variant (gene-first): 2322:D835 2322:D835A/E 2322:D835H 2322:D835V/Y

      Genes: 2322

      Variants: D835 D835A/E D835H D835V/Y

    1. In both patients with a clinical diagnosis of FAO (patients 2 and 3), targeted deep sequencing analysis led to the identification of a PIK3CA mutation in primary fibroblasts samples only. Specifically, a c.3140 A>G [p.H1

      [Paragraph-level] PMCID: PMC4411002 Section: RESULTS PassageIndex: 16

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: c.3140 A>G [p.H1047R] | Summary: The c.3140 A>G [p.H1047R] mutation was identified in primary fibroblasts and is associated with tumor development in patients with FAO. Evidence Type: Oncogenic | Mutation: c.3140 A>T [p.H1047L] | Summary: The c.3140 A>T [p.H1047L] mutation was detected in a tissue biopsy and is implicated in tumor progression in the context of FAO.

      Gene→Variant (gene-first): 5294:3140 A>T 5290:c.3140 A>G 5290:c.3140 A>T 5290:p.H1047L 5290:p.H1047R

      Genes: 5294 5290

      Variants: 3140 A>T c.3140 A>G c.3140 A>T p.H1047L p.H1047R

    2. This approach confirmed the presence of the c.241 G>A [p.E81K] mutation in the right and left leg biopsies of patient 1, with mutant allele frequencies of 9% and 21.5%, respectively (Fig 1d).

      [Paragraph-level] PMCID: PMC4411002 Section: RESULTS PassageIndex: 15

      Evidence Type(s): Diagnostic, Oncogenic

      Summary: Evidence Type: Diagnostic | Mutation: c.241 G>A; p.E81K | Summary: The presence of the c.241 G>A [p.E81K] mutation was confirmed in biopsies, indicating its use in defining or confirming a disease or subtype. Evidence Type: Oncogenic | Mutation: c.241 G>A; p.E81K | Summary: The mutation is present in tumor biopsies, suggesting it contributes to tumor development or progression.

      Gene→Variant (gene-first): 5290:c.241 G>A 5290:p.E81K

      Genes: 5290

      Variants: c.241 G>A p.E81K

    3. Mutational analysis of PIK3CA exons and adjacent intronic regions was performed by Sanger sequencing methods on genomic DNA isolated from blood samples, tissue biopsies, and cultured dermal fibroblasts. No pathogenic var

      [Paragraph-level] PMCID: PMC4411002 Section: RESULTS PassageIndex: 12

      Evidence Type(s): Oncogenic, Predisposing

      Summary: Evidence Type: Oncogenic | Mutation: c.241 G>A; p.E81K | Summary: The mutation c.241 G>A [p.E81K] in PIK3CA is identified as a somatic variant contributing to tumor development or progression, as it was detected in various tissues of the proband but not in the blood or parents, indicating its potential role in cancer. Evidence Type: Predisposing | Mutation: c.241 G>A; p.E81K | Summary: The presence of the c.241 G>A [p.E81K] mutation in the proband's tissues, along with its absence in the blood and parents, suggests it may confer inherited risk for disease, indicating a possible germline component.

      Gene→Variant (gene-first): 5290:c.241 G>A 5290:p.E81K

      Genes: 5290

      Variants: c.241 G>A p.E81K

    1. To identify molecules that could be pharmacologically targeted in NF1Mut melanomas, we first established 32 STCs from subcutaneous, lymph node, and brain metastases of 30 patients with melanoma (Fig. 1A; Supplementary Ta

      [Paragraph-level] PMCID: PMC12221223 Section: RESULTS PassageIndex: 3

      Evidence Type(s): Diagnostic, Oncogenic

      Summary: Evidence Type: Diagnostic | Mutation: C>T | Summary: The C>T mutation is characterized as a well-established feature defining cutaneous melanoma, indicating its role in classifying the disease. Evidence Type: Oncogenic | Mutation: C>T | Summary: The C>T mutation contributes to tumor development in the context of NF1Mut melanomas, supporting its classification as an oncogenic variant.

      Gene→Variant (gene-first): 4763:C>T

      Genes: 4763

      Variants: C>T

    1. Pilomyxoid astrocytomas are an aggressive subtype of astrocytoma, not graded by WHO, frequently located in hypothalamic/chiasmatic regions, affecting diencephalic structures, and characterized by shorter survival and hig

      [Paragraph-level] PMCID: PMC8077124 Section: ABSTRACT PassageIndex: 10

      Evidence Type(s): Oncogenic, Predictive

      Summary: Evidence Type: Oncogenic | Mutation: p.K656E | Summary: The FGFR1 p.K656E mutation is described as activating and transforming, indicating its contribution to tumor development or progression. Evidence Type: Predictive | Mutation: p.V561M | Summary: The FGFR1 p.V561M mutation is noted to impart resistance to FGFR inhibitors, suggesting its correlation with treatment response.

      Gene→Variant (gene-first): 2260:p.K656E 2260:p.V561M

      Genes: 2260

      Variants: p.K656E p.V561M

    2. Similar variant allele frequencies of FGFR1 p.K656E and FGFR1 p.V561M mutations in our patient's tumor suggest that these mutations may have occurred at similar time points. Use of FGFR inhibitors in addition to STAT3 or

      [Paragraph-level] PMCID: PMC8077124 Section: ABSTRACT PassageIndex: 9

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: p.K656E | Summary: The p.K656E mutation is associated with the potential response to FGFR inhibitors, suggesting its relevance in therapeutic strategies for the patient's pilomyxoid astrocytoma. Evidence Type: Predictive | Mutation: p.V561M | Summary: The p.V561M mutation is associated with the potential response to FGFR inhibitors, indicating its importance in therapeutic strategies for the patient's pilomyxoid astrocytoma.

      Gene→Variant (gene-first): 2260:p.K656E 2260:p.V561M

      Genes: 2260

      Variants: p.K656E p.V561M

    3. We identified two somatic activating missense mutations affecting FGFR1, including FGFR1 p.K656E and FGFR1 p.V561M. While the former is a known hotspot mutation that is both activating and transforming, the latter has be

      [Paragraph-level] PMCID: PMC8077124 Section: ABSTRACT PassageIndex: 7

      Evidence Type(s): Oncogenic, Predictive

      Summary: Evidence Type: Oncogenic | Mutation: p.K656E | Summary: The p.K656E mutation is described as a known hotspot mutation that is both activating and transforming, indicating its role in tumor development. Evidence Type: Predictive | Mutation: p.V561M | Summary: The p.V561M mutation is characterized as a gatekeeper mutation that imparts resistance to FGFR inhibitors, suggesting its relevance in therapy response.

      Gene→Variant (gene-first): 2260:p.K656E 2260:p.V561M

      Genes: 2260

      Variants: p.K656E p.V561M

    1. Finally, patient UPN 2 was characterized by TKD D835Y mutation (43%) and a small ITD mutated clone (revealed only by UDS analysis, 0,4%) at diagnosis. After two months of conventional chemotherapy treatment (3+7 schedule

      [Paragraph-level] PMCID: PMC4741605 Section: RESULTS PassageIndex: 20

      Evidence Type(s): Predictive, Prognostic, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: D835Y | Summary: The D835Y mutation is associated with the patient's response to chemotherapy treatment, indicating its relevance in predicting treatment outcomes. Evidence Type: Prognostic | Mutation: D835Y | Summary: The increase in the D835Y mutated clone at relapse suggests that this mutation may correlate with disease outcome independent of therapy, highlighting its prognostic significance. Evidence Type: Oncogenic | Mutation: D835Y | Summary: The D835Y mutation contributes to tumor development or progression, as indicated by its increase in frequency at relapse.

      Gene→Variant (gene-first): 2322:D835Y

      Genes: 2322

      Variants: D835Y

    2. Patient UPN 5 showed resistance to conventional induction chemotherapy (Cytarabine and Idarubicine). UDS analysis revealed a progressive expansion of the ITD+ clone over time (from 3,78% at diagnosis to 12,3% two months

      [Paragraph-level] PMCID: PMC4741605 Section: RESULTS PassageIndex: 19

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: D835Y | Summary: The D835Y mutation was successfully inhibited by treatment, indicating a correlation with treatment response. Evidence Type: Oncogenic | Mutation: D835Y | Summary: The presence of the D835Y mutation is associated with tumor behavior, as it is part of a clone that is monitored during disease progression.

      Gene→Variant (gene-first): 2322:D835Y

      Genes: 2322

      Variants: D835Y

    3. Patient UPN 4 received conventional induction chemotherapy and after an initial expansion of the FLT3 ITD+ clone, he achieved a complete morphological remission at the end of a "3+7" induction schedule. At molecular leve

      [Paragraph-level] PMCID: PMC4741605 Section: RESULTS PassageIndex: 18

      Evidence Type(s): Predictive

      Summary: Evidence Type: Predictive | Mutation: D835H | Summary: The D835H mutation is associated with resistance to Sorafenib treatment, indicating its predictive value in therapy response. Evidence Type: Predictive | Mutation: D839G | Summary: The D839G mutation is also linked to resistance to Sorafenib treatment, suggesting it has predictive implications for therapy response.

      Gene→Variant (gene-first): 2322:D835H 2322:D839G

      Genes: 2322

      Variants: D835H D839G

    4. Patient UPN 3 received best supportive therapy (BST). The ITD+ clone progressively increased (from 1,34% at diagnosis to 29,4% after 14 months of follow-up), along with the appearance of a minor ITD+ clone (0,6%) and two

      [Paragraph-level] PMCID: PMC4741605 Section: RESULTS PassageIndex: 17

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: D835Y | Summary: The D835Y mutation is associated with the presence of small TKD mutated clones in the patient, indicating its contribution to tumor development or progression. Evidence Type: Oncogenic | Mutation: D839G | Summary: The D839G mutation is also part of the small TKD mutated clones observed in the patient, suggesting its role in tumor development or progression.

      Gene→Variant (gene-first): 2322:D835Y 2322:D839G

      Genes: 2322

      Variants: D835Y D839G

    1. Since 2011, with the approval of crizotinib and subsequent approval of four additional targeted therapies, anaplastic lymphoma kinase (ALK) inhibitors have become important treatments for a subset of patients with lung c

      [Paragraph-level] PMCID: PMC9398166 Section: ABSTRACT PassageIndex: 2

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: G1202R | Summary: The G1202R mutation is described as a major resistance mechanism to first-generation ALK inhibitors and contributes to tumor development, as evidenced by its role in ALK compound mutation-dependent xenograft models. Evidence Type: Oncogenic | Mutation: L1196M | Summary: The L1196M mutation is identified as a significant resistance mechanism to first-generation ALK inhibitors, indicating its contribution to tumor development in the context of ALK mutations.

      Gene→Variant (gene-first): 238:G1202R 238:L1196M

      Genes: 238

      Variants: G1202R L1196M

    1. In order to assess if oncogenic BRAF signaling may induce venetoclax resistance, we overexpressed mutated BRAF (p.V600E) in a venetoclax-sensitive cell line OCI-LY19 (Fig. 3a). Exome sequencing of this cell line revealed

      [Paragraph-level] PMCID: PMC5820258 Section: RESULTS PassageIndex: 16

      Evidence Type(s): Predictive, Oncogenic, Functional

      Summary: Evidence Type: Predictive | Mutation: BRAFV600E | Summary: The BRAFV600E mutation is associated with venetoclax resistance, indicating a correlation with treatment response. Evidence Type: Oncogenic | Mutation: BRAFV600E | Summary: The BRAFV600E mutation contributes to tumor development and progression, as evidenced by its role in inducing venetoclax resistance in cell lines. Evidence Type: Functional | Mutation: p.W110 | Summary: The p.W110 mutation in CDKN2A/B is a nonsense mutation that likely alters the molecular function of the gene, contributing to cancer-related processes.

      Gene→Variant (gene-first): 673:BRAFV600E 673:p.V600E 7157:p.W110*

      Genes: 673 7157

      Variants: BRAFV600E p.V600E p.W110*

    2. Finally, case C586 showed a remarkable pattern of convergent evolution (Fig. 2d). We found two SF3B1 mutations (c.1996A > C; p.K666Q and c.1997A > C; p.K666T) affecting the same codon, but evolved in two independent clon

      [Paragraph-level] PMCID: PMC5820258 Section: RESULTS PassageIndex: 14

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: c.1996A > C | Summary: The SF3B1 mutation c.1996A > C was identified in cancer cell subclones that evolved during venetoclax exposure, indicating its contribution to tumor development and progression. Evidence Type: Oncogenic | Mutation: c.1997A > C | Summary: The SF3B1 mutation c.1997A > C was found in subclones that emerged during treatment with venetoclax, suggesting its role in tumor development and progression. Evidence Type: Oncogenic | Mutation: p.K666Q | Summary: The mutation p.K666Q was detected in small subclones before treatment and evolved during venetoclax therapy, indicating its involvement in oncogenic processes. Evidence Type: Oncogenic | Mutation: p.K666T | Summary: The mutation p.K666T was present in subclones that evolved during venetoclax exposure, supporting its role in tumor development and progression.

      Gene→Variant (gene-first): 23451:c.1996A > C 23451:c.1997A > C 23451:p.K666Q 23451:p.K666T

      Genes: 23451

      Variants: c.1996A > C c.1997A > C p.K666Q p.K666T

    3. Patient C548 showed a divergent evolutionary path of two branches (Fig. 2c). One branch (subclone C3 and C4) was selected during venetoclax therapy. This branch harbored a homozygous loss of CDKN2A/B, and mutations in BR

      [Paragraph-level] PMCID: PMC5820258 Section: RESULTS PassageIndex: 13

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: p.K601E | Summary: The mutation p.K601E in BRAF is associated with tumor development and progression, as it was retained in the subclone that emerged during venetoclax therapy. Evidence Type: Oncogenic | Mutation: p.S321fs | Summary: The mutation p.S321fs in MLL3 is implicated in tumor development, as it was present in the subclone that persisted through treatment. Evidence Type: Oncogenic | Mutation: p.Q547fs | Summary: The frameshift deletion p.Q547fs in BIRC3 is recognized as a driver mutation in CLL, contributing to tumorigenesis.

      Gene→Variant (gene-first): 673:p.K601E 330:p.Q547fs 58508:p.S321fs

      Genes: 673 330 58508

      Variants: p.K601E p.Q547fs p.S321fs

    4. To gain insight into the clonal evolution towards therapy resistance, we inferred subclonal populations and reconstructed phylogenetic trees (see Methods). Intriguingly, we observed a wide spectrum of evolutionary dynami

      [Paragraph-level] PMCID: PMC5820258 Section: RESULTS PassageIndex: 12

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: p.E46K | Summary: The p.E46K mutation in BTG1 is associated with the development of a dominant clone at relapse, suggesting its involvement in resistance to venetoclax treatment. Evidence Type: Oncogenic | Mutation: p.E46K | Summary: The p.E46K mutation contributes to tumor evolution and is selected as a dominant clone, indicating its role in tumor progression. Evidence Type: Oncogenic | Mutation: p.Q36H | Summary: The p.Q36H mutation is part of a branch observed only in the relapse sample, suggesting its contribution to tumor evolution and progression.

      Gene→Variant (gene-first): 7157:p.E46K 694:p.Q36H

      Genes: 7157 694

      Variants: p.E46K p.Q36H

    5. Recurrent genomic changes that evolved during venetoclax treatment were homozygous deletions affecting CDKN2A/B in three patients (C548, C577, C586) and BTG1 missense mutations in two cases (C577: p.Q36H; C789: p.E46K).

      [Paragraph-level] PMCID: PMC5820258 Section: RESULTS PassageIndex: 10

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: p.Q36H | Summary: The BTG1 missense mutation p.Q36H may contribute to tumor development or progression in CLL cells under targeted BCL2-inhibition, providing a survival advantage. Evidence Type: Oncogenic | Mutation: p.E46K | Summary: The BTG1 missense mutation p.E46K may contribute to tumor development or progression in CLL cells under targeted BCL2-inhibition, providing a survival advantage.

      Gene→Variant (gene-first): 7157:p.E46K 694:p.Q36H

      Genes: 7157 694

      Variants: p.E46K p.Q36H

    6. In line with previous findings patients responded to venetoclax therapy, even if TP53 was initially mutated in a bi-allelic fashion (5/8 patients). Two patients showed genome alterations that might qualify for further th

      [Paragraph-level] PMCID: PMC5820258 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Oncogenic, Predictive

      Summary: Evidence Type: Oncogenic | Mutation: p.K601E | Summary: The BRAF p.K601E mutation is described as oncogenic and contributes to tumor development, making it a target for therapies such as MEK inhibitors. Evidence Type: Predictive | Mutation: p.K601E | Summary: The BRAF p.K601E mutation correlates with response to venetoclax therapy, indicating its potential role in guiding treatment options.

      Gene→Variant (gene-first): 673:p.K601E

      Genes: 673

      Variants: p.K601E

    1. To understand whether trends observed in mouse tumors are also found in human disease, we next examined the HER2 and PIK3CA mutations in available TCGA RNA-seq data. We examined data available from 113 normal solid tissu

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 25

      Evidence Type(s): Oncogenic, Diagnostic

      Summary: Evidence Type: Oncogenic | Mutation: H1047R | Summary: The H1047R mutation in PIK3CA is associated with tumor development and progression, as indicated by its presence in samples from patients with specific cancer subtypes. Evidence Type: Diagnostic | Mutation: H1047R | Summary: The H1047R mutation is used to classify tumors into specific subtypes, such as Luminal A and B, based on PAM50 classification, indicating its role in defining disease characteristics.

      Gene→Variant (gene-first): 5290:H1047R

      Genes: 5290

      Variants: H1047R

    2. Consistent with the proteomic data, pathway analysis showed that these genes were enriched for the PIK3-Akt-mTOR signaling pathway (Fig. 6B). The GSEA analysis showed that the mTOR pathway and the MYC target signature we

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 22

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: V777L | Summary: The HER2 V777L mutation contributes to tumor development and progression by amplifying the signaling transduction cascade, leading to increased oncogene expression and tumorigenesis.

      Gene→Variant (gene-first): 2064:V777L

      Genes: 2064

      Variants: V777L

    3. We next examined gene expression changes using RNA sequencing. We established organoids from H, P, and HP mice tumors and normal mammary glands from WT littermate mice and performed RNA sequencing analysis on 16 independ

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 20

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: V777L | Summary: The HER2 V777L mutation is implicated in contributing to tumor development or progression, as it affects distinct expression programs in the context of cancer.

      Gene→Variant (gene-first): 2064:V777L

      Genes: 2064

      Variants: V777L

    4. To further elucidate the function of the HER2V777L mutation in the HP mice tumor model, we then performed mass-spectrometry based phosphoproteomics on P and HP breast cancer organoids (Fig. 5C-5F). Organoids were prepare

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 18

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: V777L | Summary: The HER2 V777L mutation is associated with altered molecular function as indicated by the changes in phosphorylation levels of various proteins in breast cancer organoids, suggesting a role in signal transduction pathways. Evidence Type: Oncogenic | Mutation: V777L | Summary: The HER2 V777L mutation contributes to tumor development or progression, as evidenced by its presence in the HP mice tumor model and the associated changes in cellular markers related to cancer.

      Gene→Variant (gene-first): 2064:V777L

      Genes: 2064

      Variants: V777L

    5. In order to characterize the mechanism causing the rapid breast cancer growth in HP mice, we measured protein phosphorylation using proteomics. We examined the key signaling pathways using the Human/Mouse AKT Pathway Pho

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 17

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: V777L | Summary: The HER2V777L mutation is associated with promoting cell proliferation and enhancing the cell cycle process, contributing to tumor development in the context of breast cancer. Evidence Type: Functional | Mutation: V777L | Summary: The HER2V777L mutation alters molecular function by enhancing the phosphorylation of key proteins involved in cell cycle regulation, indicating a role in the signaling pathways that drive cancer progression.

      Gene→Variant (gene-first): 2064:V777L

      Genes: 2064

      Variants: V777L

    6. To validate the results of the neratinib plus T-DXd in a second experimental model, we used the human breast cancer PDX, WHIM51, which has the same PIK3CA mutation and a HER2 activating mutation at the neighboring codon,

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 15

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: G776insYVMA | Summary: The G776insYVMA mutation is associated with tumor development as it is part of a HER2 activating mutation in a breast cancer model. Evidence Type: Oncogenic | Mutation: V777L | Summary: The V777L mutation is linked to tumor progression in the context of HER2 activation, as demonstrated in the breast cancer PDX model.

      Gene→Variant (gene-first): 2064:G776insYVMA 2064:V777L

      Genes: 2064

      Variants: G776insYVMA V777L

    7. We hypothesized that the HER2V777L mutation plays a vital role in metastatic breast cancer. To test this, H, P and HP mice were examined for metastasis to the lung or liver. Metastasis were not seen in HP mice likely bec

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Oncogenic, Functional

      Summary: Evidence Type: Oncogenic | Mutation: V777L | Summary: The HER2V777L mutation is implicated in the development of metastatic breast cancer, as evidenced by the observed lung metastasis in transgenic mice expressing this mutation. Evidence Type: Functional | Mutation: V777L | Summary: The HER2V777L mutation alters the invasive phenotype of breast tumor cells, as indicated by the metastatic behavior observed in vitro and in vivo.

      Gene→Variant (gene-first): 2064:V777L

      Genes: 2064

      Variants: V777L

    8. Lung metastases in HER2V777L transgenic mice and HP organoid transplant mice

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: V777L | Summary: The V777L mutation is associated with lung metastases in transgenic mice, indicating its contribution to tumor development or progression.

      Gene→Variant (gene-first): 2064:V777L

      Genes: 2064

      Variants: V777L

    9. We isolated breast organoids from WT, H, P, HP mice (Fig. 2A) in order to obtain an enriched epithelial cell population. To assess the cellular migration and invasion signature of HER2V777L and PIK3CAH1047R breast epithe

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 7

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: V777L | Summary: The HER2V777L mutation is associated with enhanced cellular migration and invasion in breast organoids, indicating its role in promoting cancer cell behavior and contributing to tumor progression.

      Gene→Variant (gene-first): 2064:V777L

      Genes: 2064

      Variants: V777L

    10. We previously reported the development of a novel transgenic mouse that conditionally expresses the human HER2 V777L cDNA (abbreviated as "H"), which is inserted into the Rosa26 locus using TALEN-based genome editing. Ou

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 3

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: H1047R | Summary: The PIK3CA H1047R mutation is described as a gain-of-function allele and activating mutation commonly found in human breast cancers, indicating its role in tumor development. Evidence Type: Oncogenic | Mutation: V777L | Summary: The HER2 V777L mutation is part of a transgenic model that expresses this variant, suggesting its involvement in tumor progression.

      Gene→Variant (gene-first): 5290:H1047R 2064:V777L

      Genes: 5290 2064

      Variants: H1047R V777L

    11. Tumor formation in mice with HER2V777L and PIK3CAH1047R

      [Paragraph-level] PMCID: PMC10527017 Section: RESULTS PassageIndex: 2

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: V777L | Summary: The HER2 V777L mutation is associated with tumor formation in mice, indicating its role in tumor development and progression.

      Gene→Variant (gene-first): 2064:V777L

      Genes: 2064

      Variants: V777L

    1. As a third-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI), osimeritnib is the standard treatment for patients with non-small cell lung cancer harboring the EGFR T790M mutation; however

      [Paragraph-level] PMCID: PMC5792548 Section: ABSTRACT PassageIndex: 1

      Evidence Type(s): Predictive, Oncogenic

      Summary: Evidence Type: Predictive | Mutation: T790M | Summary: The EGFR T790M mutation is associated with resistance to the standard treatment osimeritinib in non-small cell lung cancer, indicating its predictive role in therapy response. Evidence Type: Oncogenic | Mutation: T790M | Summary: The EGFR T790M mutation contributes to tumor development and progression, as it is implicated in acquired resistance to EGFR tyrosine kinase inhibitors.

      Gene→Variant (gene-first): 1956:T790M

      Genes: 1956

      Variants: T790M

    1. Treatment with TK inhibitors rescues the phenotype induced by EPHB4-V871I in NB cell lines

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 16

      Evidence Type(s): Predictive, Functional

      Summary: Evidence Type: Predictive | Mutation: V871I | Summary: The variant EPHB4-V871I is associated with a response to treatment with TK inhibitors, indicating its predictive value in therapy sensitivity. Evidence Type: Functional | Mutation: V871I | Summary: The variant EPHB4-V871I alters the phenotype in neuroblastoma (NB) cell lines, suggesting a functional impact on molecular or biochemical processes.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I

    2. We then tried to study possible targets of EPHB4. We studied three EPHB4 downstream target genes by analysing the mRNA levels of: VEGF, c-RAF and CDK4 genes by qRt-PCR. All three of these genes showed significantly highe

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 15

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: V871I | Summary: The EPHB4-V871I variant is associated with increased expression levels of downstream target genes and enhanced phosphorylation of the ERK1-2 pathway, indicating an alteration in molecular function. Evidence Type: Oncogenic | Mutation: V871I | Summary: The EPHB4-V871I variant contributes to tumor development or progression as suggested by its impact on downstream signaling pathways and gene expression.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I

    3. EPHB4-V871I increases the expression of some target genes and enhance the phosphorylation of ERK1-2 pathway

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 14

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: V871I | Summary: The EPHB4-V871I variant alters molecular function by increasing the expression of target genes and enhancing the phosphorylation of the ERK1-2 pathway.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I

    4. We further analysed the anchorage-independent growth of EPHB4-MUT by colony formation assay in soft agar. EPHB4-V871I showed an increased number of colonies compared with WT and EV in both cell lines (Figure 4B).

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 13

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: V871I | Summary: The V871I mutation in EPHB4 alters molecular function, as indicated by the increased number of colonies formed in the colony formation assay in soft agar compared to wild type and empty vector controls.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I

    5. We further analysed the migration properties of EPHB4 mutant clone by two-dimensional migration experiments. EPHB4-V871I showed an increased number of migrating cells compared with EV and EPHB4-WT in both cell lines (Fig

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 12

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: V871I | Summary: The EPHB4-V871I variant alters the migration properties of cells, indicating a change in molecular or biochemical function.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I

    6. The migration potential was firstly assayed by wound-healing experiments demonstrating increased migration properties of EPHB4-V871I compared with both EV and EPHB4-WT in both cell lines (Figure 3C). Indeed, the percenta

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 11

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: V871I | Summary: The EPHB4-V871I variant demonstrates increased migration properties in wound-healing experiments, indicating an alteration in molecular function related to cell migration. Evidence Type: Oncogenic | Mutation: V871I | Summary: The increased migration potential of EPHB4-V871I suggests that this somatic variant may contribute to tumor development or progression by enhancing cell motility.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I

    7. Due to EPHB4 involvement in tumour angiogenesis, growth and metastasis, 21 we speculated on its potential regulation of cellular proliferation, cell migration and anchorage-independent growth in vitro. The proliferation

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 10

      Evidence Type(s): Functional, Oncogenic

      Summary: Evidence Type: Functional | Mutation: V871I | Summary: The V871I mutation in EPHB4 is associated with altered cellular proliferation, as indicated by increased propagation rates in cells overexpressing this variant compared to controls. Evidence Type: Oncogenic | Mutation: V871I | Summary: The V871I mutation in EPHB4 contributes to tumor development and progression, as suggested by its involvement in increased proliferation rates in cancer cell lines.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I

    8. EPHB4-V871I affects proliferation and migration of NB cell lines

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 9

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: V871I | Summary: The V871I mutation alters the molecular function related to the proliferation and migration of neuroblastoma (NB) cell lines.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I

    9. In order to select the cell lines to perform the functional characterization of EPHB4-V871I variant, we firstly analysed the expression of EPHB4 in several NB cell lines. We divided our cell lines based on MYCN amplified

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 8

      Evidence Type(s): Functional

      Summary: Evidence Type: Functional | Mutation: V871I | Summary: The EPHB4-V871I variant was functionally characterized, showing that it does not impair EPHB4 expression at the mRNA and protein levels.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I

    10. The screening of kinome regions in NB cell lines resulted in 11 filtered mutations in eight genes. Here, we detected four additional ALK mutations. Of these, three were F1174L changes, and the other was the R1275Q change

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 5

      Evidence Type(s): None

      Summary: Not enough information in this passage.

      Gene→Variant (gene-first): 238:F1174L 2260:N457K 238:R1275Q

      Genes: 238 2260

      Variants: F1174L N457K R1275Q

    11. Interestingly, we found two mutations in EPHB4 (V871I) and in EphB6 (A417S) genes, both involved in axon guidance pathway. The variant V871I in the kinase domain of EPHB4 showed a high pathogenic score (Figure 1A and Tab

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 4

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: V871I | Summary: The variant V871I in the kinase domain of EPHB4 is associated with a high pathogenic score, indicating its contribution to tumor development or progression.

      Gene→Variant (gene-first): 4613:A417S 2050:V871I

      Genes: 4613 2050

      Variants: A417S V871I

    12. We performed targeted sequencing of TK domains on a total of 45 NB normal-primary tumour matched pairs and 9 NB cell lines. All tumour samples were high-risk patients according to the COG Risk Group Classification System

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 3

      Evidence Type(s): Oncogenic

      Summary: Evidence Type: Oncogenic | Mutation: F1174L | Summary: The F1174L mutation in the ALK gene is identified as a somatic variant that is frequently observed in neuroblastoma, suggesting its contribution to tumor development or progression.

      Gene→Variant (gene-first): 238:F1174L

      Genes: 238

      Variants: F1174L

    13. Kinome sequencing and identification of EPHB4-V871I mutation in NB patients

      [Paragraph-level] PMCID: PMC7294133 Section: RESULTS PassageIndex: 2

      Evidence Type(s): Diagnostic

      Summary: Evidence Type: Diagnostic | Mutation: V871I | Summary: The EPHB4-V871I mutation is identified in neuroblastoma (NB) patients, suggesting its role in defining or classifying the disease.

      Gene→Variant (gene-first): 2050:V871I

      Genes: 2050

      Variants: V871I