35 Matching Annotations
  1. Oct 2026
    1. 1 c.3845T > C p.Leu1282Pro 28 A1 htz Missense na 30 na na na

      Case: IP #1 in type 2M VWD sub-cohort

      DiseaseAssertion: type 2M VWD

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs:

      CaseHPOFreeRext: VWF:Ag [IU/dL] = 30; VWF:Ac [IU/dL] = n/a; FVIII:C [IU/dL] = n/a; VWF:CB (IU/dL) = n/a

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting:

      GenotypingMethod: Sequence variations in the VWF were identified through direct sequencing, while the detection of large rearrangements utilized the multiplex ligation-dependent probe amplification (MLPA) technique or assessed copy number variations (CNVs). Sanger sequencing methodology was applied for VWF analysis in patients investigated prior to 2016 (approximately 14% of IPs), whereas next-generation sequencing (NGS) was employed for the analysis of VWF in patients inspected from 2017 onwards (about 86% of IPs). In both strategies, the entire VWF, encompassing all 52 exons, intron/exon boundaries, and promoter regions, was analyzed.

      PreviouslyPublished:

      Gene: VWF

      Variant: c.3845T>C p.Leu1282Pro

      HGVS:

      ClinVarID: 100329

      CAID:

      gnomAD: absent

    2. 3 c.4001G > A p.Arg1334Gln 28 A1 htz Missense 41na44 na na na

      Case: IP #3 in type 2M VWD sub-cohort

      DiseaseAssertion: type 2M VWD

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs:

      CaseHPOFreeRext: VWF:Ag [IU/dL] = 41na44; VWF:Ac [IU/dL] = n/a; FVIII:C [IU/dL] = n/a; VWF:CB (IU/dL) = n/a

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting:

      GenotypingMethod: Sequence variations in the VWF were identified through direct sequencing, while the detection of large rearrangements utilized the multiplex ligation-dependent probe amplification (MLPA) technique or assessed copy number variations (CNVs). Sanger sequencing methodology was applied for VWF analysis in patients investigated prior to 2016 (approximately 14% of IPs), whereas next-generation sequencing (NGS) was employed for the analysis of VWF in patients inspected from 2017 onwards (about 86% of IPs). In both strategies, the entire VWF, encompassing all 52 exons, intron/exon boundaries, and promoter regions, was analyzed.

      PreviouslyPublished:

      Gene: VWF

      Variant: c.4001G>A p.Arg1334Gln

      HGVS:

      ClinVarID: 2572701

      CAID:

      gnomAD: 0.000006196 (10 in 1613834) no homozygotes https://gnomad.broadinstitute.org/variant/12-6019417-C-T?dataset=gnomad_r4

    3. 4 c.4037A > C N p.Gln1346Pro 28 A1 htz Missense O 20 5 22 CSA 20

      Case: IP #4 in type 2M VWD sub-cohort (also in row 13 table 6)

      DiseaseAssertion: type 2M VWD

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs:

      CaseHPOFreeRext: VWF:Ag [IU/dL] = 20; VWF:Ac [IU/dL] = 5; FVIII:C [IU/dL] = 22; VWF:CB (IU/dL) = 20

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting:

      GenotypingMethod: Sequence variations in the VWF were identified through direct sequencing, while the detection of large rearrangements utilized the multiplex ligation-dependent probe amplification (MLPA) technique or assessed copy number variations (CNVs). Sanger sequencing methodology was applied for VWF analysis in patients investigated prior to 2016 (approximately 14% of IPs), whereas next-generation sequencing (NGS) was employed for the analysis of VWF in patients inspected from 2017 onwards (about 86% of IPs). In both strategies, the entire VWF, encompassing all 52 exons, intron/exon boundaries, and promoter regions, was analyzed.

      PreviouslyPublished:

      Gene: VWF

      Variant: c.4037A>C p.Gln1346Pro

      HGVS:

      ClinVarID: not found

      CAID: CA383505695

      gnomAD: absent

    4. 16 c.7694G > A N p.Cys2565Ser 45 C4 htz Missense na 44 31 34 CSA 39

      Case: IP #16 in type 2M VWD sub-cohort (also in row 27 table 6)

      DiseaseAssertion: type 2M VWD

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs:

      CaseHPOFreeRext: VWF:Ag [IU/dL] = 44; VWF:Ac [IU/dL] = 31; FVIII:C [IU/dL] = 34; VWF:CB (IU/dL) = 39

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting:

      GenotypingMethod: Sequence variations in the VWF were identified through direct sequencing, while the detection of large rearrangements utilized the multiplex ligation-dependent probe amplification (MLPA) technique or assessed copy number variations (CNVs). Sanger sequencing methodology was applied for VWF analysis in patients investigated prior to 2016 (approximately 14% of IPs), whereas next-generation sequencing (NGS) was employed for the analysis of VWF in patients inspected from 2017 onwards (about 86% of IPs). In both strategies, the entire VWF, encompassing all 52 exons, intron/exon boundaries, and promoter regions, was analyzed.

      PreviouslyPublished:

      Gene: VWF

      Variant: c.7694G>A p.Cys2565Ser

      HGVS:

      ClinVarID: not found

      CAID: CA383489277

      gnomAD: absent

    5. 2 c.3847G > A N p.Asp1283Asn 28 A1 htz Missense A 45 9 70 CSA 38

      Case: IP #2 in type 2M VWD sub-cohort (also in row 12 table 6)

      DiseaseAssertion: type 2M VWD

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs: HP:0032370 - blood group A

      CaseHPOFreeRext: VWF:Ag [IU/dL] = 45; VWF:Ac [IU/dL] = 9; FVIII:C [IU/dL] = 70; VWF:CB (IU/dL) = 38

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting:

      GenotypingMethod: Sequence variations in the VWF were identified through direct sequencing, while the detection of large rearrangements utilized the multiplex ligation-dependent probe amplification (MLPA) technique or assessed copy number variations (CNVs). Sanger sequencing methodology was applied for VWF analysis in patients investigated prior to 2016 (approximately 14% of IPs), whereas next-generation sequencing (NGS) was employed for the analysis of VWF in patients inspected from 2017 onwards (about 86% of IPs). In both strategies, the entire VWF, encompassing all 52 exons, intron/exon boundaries, and promoter regions, was analyzed.

      PreviouslyPublished:

      Gene: VWF

      Variant: c.3847G>A p.Asp1283Asn

      HGVS:

      ClinVarID: not found

      CAID: CA383506815

      gnomAD: absent

    1. Case: Row 21 in Supplemental Table 1. Variant is found in 14 patients in 13 families

      DiseaseAssertion: 10 have type 1 VWD, 2 have VWD type 2A, 2 have VWD type 2M

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs:

      CaseHPOFreeRext: FVIII:C/VWF:Ag = 1.2 (1.1-1.4); VWFpp/VWF:Ag = 2.0 (1.2-2.9)

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting:

      GenotypingMethod: Genetic analysis was performed at the laboratory of hematology of the Radboud University Medical Center in Nijmegen. Ion semiconductor sequencing (Ion-Torrent) was used to analyze the VWF gene from peripheral blood obtained in EDTA tubes or from saliva samples. The 52 exons of VWF gene were analyzed including ±20 bp exon-intron boundaries. If no VWF gene variant was detected, multiplex ligation-dependent probe amplification (MLPA) analysis was performed to find large deletions or duplications. Thus, MLPA was performed in 183 patients (46.9%). All variants were confirmed with Sanger sequencing.

      PreviouslyPublished:

      Gene: VWF

      Variant: 2771G>A R924Q

      HGVS: VWF:c.2561G>A p.Arg854Gln

      ClinVarID: 296

      CAID:

      gnomAD: 0.004956 (8000 in 1614214) 26 homozygotes https://gnomad.broadinstitute.org/variant/12-6034812-C-T?dataset=gnomad_r4

      MultipleGeneVariants:

      Gene: VWF

      Variant: Type 1: two also had C2304Y and one had T1156M. 2M: one also had R1374H. 2A: one also had G1609R

    1. 33 F Type 1 VWD Type 2M VWD c.3863T>G p.Leu1288Arg LP

      Case 2: 33 y.o. female, study ID UZ104 in supplemental table

      DiseaseAssertion: type 1 VWD presequencing, type 2M VWD postsequencing

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs:

      CaseHPOFreeRext: vWF:Ag (%) = 14; vWF:GPIbR (%) = 10; Act/Ag ratio = 1.00; FVIII:C (%) = 8; Platelets (x10^9/L) = 239

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting: The Thrombosis-Hemostasis gene panel test used whole exome sequencing and included 99 diagnostic-grade genes (table 1 in PMID:36696193)

      GenotypingMethod: WES using the coagulation subpanel of the UZ Leuven Thrombosis-Haemostasis gene panel test. WES was performed on the sequencing platform NovaSeq 6000 (Illumina), and Alissa Interpret software v5.2-5.4 (Agilent) was used for variant interpretation. Assessment of copy number variation was validated within the bioinformatics pipeline. The American College of Medical Genetics and Genomics and the Association of Molecular Pathology guidelines were used to classify variants as pathogenic (P), likely pathogenic (LP), a variant of uncertain significance (VUS), or (likely) benign (LB, B) variants

      PreviouslyPublished:

      Gene: VWF

      Variant: c.3863T>G p.Leu1288Arg

      HGVS:

      ClinVarID: 100294

      CAID:

      gnomAD: absent

    2. 4 M Type 2 NOS VWD Type 2M VWD c.3863T>G p.Leu1288Arg LP

      Case 6: 4 y.o. male, study ID UZ024 in supplemental table

      DiseaseAssertion: type 2 NOS VWD presequencing; type 2M VWD postsequencing

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs: HP:0032370

      CaseHPOFreeRext: vWF:Ag (%) = 12.2; vWF:GPIbR (%) = 6.3; Act/Ag ratio = 0.52; FVIII:C (%) = 37.1; Platelets (x10^9/L) = 570

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting: The Thrombosis-Hemostasis gene panel test used whole exome sequencing and included 99 diagnostic-grade genes (table 1 in PMID:36696193)

      GenotypingMethod: WES using the coagulation subpanel of the UZ Leuven Thrombosis-Haemostasis gene panel test. WES was performed on the sequencing platform NovaSeq 6000 (Illumina), and Alissa Interpret software v5.2-5.4 (Agilent) was used for variant interpretation. Assessment of copy number variation was validated within the bioinformatics pipeline. The American College of Medical Genetics and Genomics and the Association of Molecular Pathology guidelines were used to classify variants as pathogenic (P), likely pathogenic (LP), a variant of uncertain significance (VUS), or (likely) benign (LB, B) variants

      PreviouslyPublished:

      Gene: VWF

      Variant: c.3863T>G p.Leu1288Arg

      HGVS:

      ClinVarID: 100294

      CAID:

      gnomAD: absent

    3. 28 M Type 2 NOS VWD Type 2M VWD c.3943C>T p.Arg1315Cys P

      Case 10: 28 y.o. male, study ID UZ095 in Supplemental table

      DiseaseAssertion: Type 2 NOS VWD presequencing, type 2M VWD postsequencing

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs: HP:0032441

      CaseHPOFreeRext: vWF:Ag (%) = 11.8; vWF:GPIbR (%) = 5; Act/Ag ratio = 0.42; FVIII:C (%) = 18.8; Platelets (x10^9/L) = 180

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting: The Thrombosis-Hemostasis gene panel test used whole exome sequencing and included 99 diagnostic-grade genes (table 1 in PMID:36696193)

      GenotypingMethod: WES using the coagulation subpanel of the UZ Leuven Thrombosis-Haemostasis gene panel test. WES was performed on the sequencing platform NovaSeq 6000 (Illumina), and Alissa Interpret software v5.2-5.4 (Agilent) was used for variant interpretation. Assessment of copy number variation was validated within the bioinformatics pipeline. The American College of Medical Genetics and Genomics and the Association of Molecular Pathology guidelines were used to classify variants as pathogenic (P), likely pathogenic (LP), a variant of uncertain significance (VUS), or (likely) benign (LB, B) variants

      PreviouslyPublished:

      Gene: VWF

      Variant: c.3943C>T p.Arg1315Cys

      HGVS:

      ClinVarID: 100310

      CAID:

      gnomAD: 6.196e-7 (1/1613892) 0 homozygotes https://gnomad.broadinstitute.org/variant/12-6019475-G-A?dataset=gnomad_r4

    4. Case UZ056: 8 year old male (row 57 in supplementary table)

      DiseaseAssertion: type 1/2M VWD

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs: HP:0032442

      CaseHPOFreeRext: vWF:Ag (%) = 10.8; vWF:GPIbR (%) = 9.6; Act/Ag ratio = 0.89; FVIII:C (%) = 30.2; Platelets (x10^9/L) = 196

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting: The Thrombosis-Hemostasis gene panel test used whole exome sequencing and included 99 diagnostic-grade genes (table 1 in PMID:36696193).

      GenotypingMethod: WES using the coagulation subpanel of the UZ Leuven Thrombosis-Haemostasis gene panel test. WES was performed on the sequencing platform NovaSeq 6000 (Illumina), and Alissa Interpret software v5.2-5.4 (Agilent) was used for variant interpretation. Assessment of copy number variation was validated within the bioinformatics pipeline. The American College of Medical Genetics and Genomics and the Association of Molecular Pathology guidelines were used to classify variants as pathogenic (P), likely pathogenic (LP), a variant of uncertain significance (VUS), or (likely) benign (LB, B) variants

      PreviouslyPublished:

      Gene: VWF

      Variant: c.5198T>C p.Leu1733Pro

      HGVS:

      ClinVarID: 1703810

      CAID:

      gnomAD: absent

    5. Case UZ063: 10 year old male (row 64 supplemental table)

      DiseaseAssertion: type 2M VWD

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs: HP:0032442, HP:0040225

      CaseHPOFreeRext: vWF:Ag (%) = 20.2; vWF:GPIbR (%) = 8.5; Act/Ag ratio = 0.42; FVIII:C (%) = 28; Platelets (x10^9/L) = 242

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting: The Thrombosis-Hemostasis gene panel test used whole exome sequencing and included 99 diagnostic-grade genes (table 1 in PMID:36696193)

      GenotypingMethod: WES using the coagulation subpanel of the UZ Leuven Thrombosis-Haemostasis gene panel test. WES was performed on the sequencing platform NovaSeq 6000 (Illumina), and Alissa Interpret software v5.2-5.4 (Agilent) was used for variant interpretation. Assessment of copy number variation was validated within the bioinformatics pipeline. The American College of Medical Genetics and Genomics and the Association of Molecular Pathology guidelines were used to classify variants as pathogenic (P), likely pathogenic (LP), a variant of uncertain significance (VUS), or (likely) benign (LB, B) variants

      PreviouslyPublished:

      Gene: VWF

      Variant: c.3863T>G p.Leu1288Arg

      HGVS:

      ClinVarID: 100294

      CAID:

      gnomAD: absent

    1. 44 U

      Case: Patient 44, Family U (Table 1.), M/15, Afro-Caribbean

      DiseaseAssertion: VWD2M

      FamilyInfo: Patient 43 (M/10, Afro-Caribbean), Patient 46 (M/47, Afro-Caribbean, Patient 47(M/78, Afro-Caribbean) and Patient 48 (M/43, Afro Caribbean) also from Family U. (Table 1.)

      ParentalGenotype(s): NA

      CasePresentingHPOs:

      CaseHPOFreeRext: BAT = 4, FVIII:C (IU/dL) = 48, VWF:Ag (IU/dL) = 25, VWF:Act (IU/dL) = 7

      CaseNOTHPOs:

      CaseNOTHPOFreeText: Blood group B+

      CasePreviousTesting:

      GenotypingMethod: All samples were analyzed by captured-based high throughput sequencing which was performed with a custom-design of the VWF gene provided by Twist BioScience (San Francisco, USA). It comprised all 52 exons, intronic flanking regions, promoter and 3’UTR region of the VWF gene. Libraries were prepared by using the Twist NGS target enrichment solution (Twist BioScience) according to the manufacturer protocol. Samples were analyzed on a NovaSeq 6000 sequencer (Illumina) with a median read depth of 2500X by using the 300-cycle S1 NovaSeq 6000seq reagent kit with 150-bp paired-end reads. The raw data were analyzed with Mutect21 and Vardict2 tools. The inhouse NGSreport software (CHU Lille) was used for data visualization, sequences check and conservation of variants with high quality metrics. In some cases, patients genomic DNA was screened for sequence variations (large deletions, insertions and duplications) by Multiplex Ligation-dependent Probe Amplification (MCR Holland).

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.3943C > T p.(Arg1315Cys)

      HGVS: NM_000552.5:c.3943C>T (p.Arg1315Cys)

      ClinVarID: 100310

      CAID: CA228502

      gnomAD: MAF of 8.476e-7 (1/ 1179850 alleles) in European population https://gnomad.broadinstitute.org/variant/chr12-6019161-A-C?dataset=gnomad_r4

    2. 48 U

      Case: Patient 48, Family U (Table 1.), M/43, Afro-Caribbean

      DiseaseAssertion: VWD2M

      FamilyInfo: Patient 43 (M/10, Afro-Caribbean), Patient 44 (M/15, Afro-Caribbean), Patient 46 (M/47, Afro-Caribbean) and Patient 47 (M/78, Afro Caribbean) also from Family U. (Table 1.)

      ParentalGenotype(s): NA

      CasePresentingHPOs:

      CaseHPOFreeRext: BAT = 4, FVIII:C (IU/dL) = 32, VWF:Ag (IU/dL) = 25, VWF:Act (IU/dL) = 21

      CaseNOTHPOs:

      CaseNOTHPOFreeText: Blood group AB+

      CasePreviousTesting:

      GenotypingMethod: All samples were analyzed by captured-based high throughput sequencing which was performed with a custom-design of the VWF gene provided by Twist BioScience (San Francisco, USA). It comprised all 52 exons, intronic flanking regions, promoter and 3’UTR region of the VWF gene. Libraries were prepared by using the Twist NGS target enrichment solution (Twist BioScience) according to the manufacturer protocol. Samples were analyzed on a NovaSeq 6000 sequencer (Illumina) with a median read depth of 2500X by using the 300-cycle S1 NovaSeq 6000seq reagent kit with 150-bp paired-end reads. The raw data were analyzed with Mutect21 and Vardict2 tools. The inhouse NGSreport software (CHU Lille) was used for data visualization, sequences check and conservation of variants with high quality metrics. In some cases, patients genomic DNA was screened for sequence variations (large deletions, insertions and duplications) by Multiplex Ligation-dependent Probe Amplification (MCR Holland).

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.3943C > T p.(Arg1315Cys)

      HGVS: NM_000552.5:c.3943C>T (p.Arg1315Cys)

      ClinVarID: 100310

      CAID: CA228502

      gnomAD: MAF of 8.476e-7 (1/ 1179850 alleles) in European population https://gnomad.broadinstitute.org/variant/chr12-6019161-A-C?dataset=gnomad_r4

    3. 47 U

      Case: Patient 47, Family U (Table 1.), M/78, Afro-Caribbean

      DiseaseAssertion: VWD2M

      FamilyInfo: Patient 43 (M/10, Afro-Caribbean), Patient 44 (M/15, Afro-Caribbean), Patient 46 (M/47, Afro-Caribbean) and Patient 48 (M/43, Afro Caribbean) also from Family U. (Table 1.)

      ParentalGenotype(s): NA

      CasePresentingHPOs:

      CaseHPOFreeRext: BAT = 4, FVIII:C (IU/dL) = 11, VWF:Ag (IU/dL) = 20, VWF:Act (IU/dL) = 12.6

      CaseNOTHPOs:

      CaseNOTHPOFreeText: Blood group B+

      CasePreviousTesting:

      GenotypingMethod: All samples were analyzed by captured-based high throughput sequencing which was performed with a custom-design of the VWF gene provided by Twist BioScience (San Francisco, USA). It comprised all 52 exons, intronic flanking regions, promoter and 3’UTR region of the VWF gene. Libraries were prepared by using the Twist NGS target enrichment solution (Twist BioScience) according to the manufacturer protocol. Samples were analyzed on a NovaSeq 6000 sequencer (Illumina) with a median read depth of 2500X by using the 300-cycle S1 NovaSeq 6000seq reagent kit with 150-bp paired-end reads. The raw data were analyzed with Mutect21 and Vardict2 tools. The inhouse NGSreport software (CHU Lille) was used for data visualization, sequences check and conservation of variants with high quality metrics. In some cases, patients genomic DNA was screened for sequence variations (large deletions, insertions and duplications) by Multiplex Ligation-dependent Probe Amplification (MCR Holland).

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.3943C > T p.(Arg1315Cys)

      HGVS: NM_000552.5:c.3943C>T (p.Arg1315Cys)

      ClinVarID: 100310

      CAID: CA228502

      gnomAD: MAF of 8.476e-7 (1/ 1179850 alleles) in European population https://gnomad.broadinstitute.org/variant/chr12-6019161-A-C?dataset=gnomad_r4

      Variant: c.4196G > A, p.(Arg1399His)

      HGVS: NM_000552.5:c.4196G>A (p.Arg1399His)

      ClinVarID: 293

      CAID: CA114133

      gnomAD: MAF of 0.01540 (456/29604 alleles) in Ashkenazi Jewish population https://gnomad.broadinstitute.org/variant/chr12-6019222-C-T?dataset=gnomad_r4

    4. 46 U

      Case: Patient 46, Family U (Table 1.), M/47, Afro-Caribbean

      DiseaseAssertion: VWD2M

      FamilyInfo: Patient 43 (M/10, Afro-Caribbean), Patient 44 (M/15, Afro-Caribbean), Patient 47(M/78, Afro-Caribbean) and Patient 48 (M/43, Afro Caribbean) also from Family U. (Table 1.)

      ParentalGenotype(s): NA

      CasePresentingHPOs:

      CaseHPOFreeRext: BAT = 11, FVIII:C (IU/dL) = 35.2, VWF:Ag (IU/dL) = 22, VWF:Act (IU/dL) = 8

      CaseNOTHPOs:

      CaseNOTHPOFreeText: Blood group A+

      CasePreviousTesting:

      GenotypingMethod: All samples were analyzed by captured-based high throughput sequencing which was performed with a custom-design of the VWF gene provided by Twist BioScience (San Francisco, USA). It comprised all 52 exons, intronic flanking regions, promoter and 3’UTR region of the VWF gene. Libraries were prepared by using the Twist NGS target enrichment solution (Twist BioScience) according to the manufacturer protocol. Samples were analyzed on a NovaSeq 6000 sequencer (Illumina) with a median read depth of 2500X by using the 300-cycle S1 NovaSeq 6000seq reagent kit with 150-bp paired-end reads. The raw data were analyzed with Mutect21 and Vardict2 tools. The inhouse NGSreport software (CHU Lille) was used for data visualization, sequences check and conservation of variants with high quality metrics. In some cases, patients genomic DNA was screened for sequence variations (large deletions, insertions and duplications) by Multiplex Ligation-dependent Probe Amplification (MCR Holland).

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.3943C > T p.(Arg1315Cys)

      HGVS: NM_000552.5:c.3943C>T (p.Arg1315Cys)

      ClinVarID: 100310

      CAID: CA228502

      gnomAD: MAF of 8.476e-7 (1/ 1179850 alleles) in European population https://gnomad.broadinstitute.org/variant/chr12-6019161-A-C?dataset=gnomad_r4

    5. 43 U

      Case: Patient 43, Family U (Table 1.), M/10, Afro-Caribbean

      DiseaseAssertion: VWD2M

      FamilyInfo: Patient 44 (M/15, Afro-Caribbean), Patient 46 (M/47, Afro-Caribbean, Patient 47(M/78, Afro-Caribbean) and Patient 48 (M/43, Afro Caribbean) also from Family U. (Table 1.)

      ParentalGenotype(s): NA

      CasePresentingHPOs:

      CaseHPOFreeRext: BAT = 0, FVIII:C (IU/dL) = 71, VWF:Ag (IU/dL) = 30, VWF:Act (IU/dL) = 40

      CaseNOTHPOs:

      CaseNOTHPOFreeText: Blood group B+

      CasePreviousTesting:

      GenotypingMethod: All samples were analyzed by captured-based high throughput sequencing which was performed with a custom-design of the VWF gene provided by Twist BioScience (San Francisco, USA). It comprised all 52 exons, intronic flanking regions, promoter and 3’UTR region of the VWF gene. Libraries were prepared by using the Twist NGS target enrichment solution (Twist BioScience) according to the manufacturer protocol. Samples were analyzed on a NovaSeq 6000 sequencer (Illumina) with a median read depth of 2500X by using the 300-cycle S1 NovaSeq 6000seq reagent kit with 150-bp paired-end reads. The raw data were analyzed with Mutect21 and Vardict2 tools. The inhouse NGSreport software (CHU Lille) was used for data visualization, sequences check and conservation of variants with high quality metrics. In some cases, patients genomic DNA was screened for sequence variations (large deletions, insertions and duplications) by Multiplex Ligation-dependent Probe Amplification (MCR Holland).

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.3943C > T p.(Arg1315Cys)

      HGVS: NM_000552.5:c.3943C>T (p.Arg1315Cys)

      ClinVarID: 100310

      CAID: CA228502

      gnomAD: MAF of 8.476e-7 (1/ 1179850 alleles) in European population https://gnomad.broadinstitute.org/variant/chr12-6019161-A-C?dataset=gnomad_r4

      Variant: c.4138A > G, p.(Ile1380Val)

      HGVS: NM_000552.5:c.4138A>G (p.Ile1380Val)

      ClinVarID: 310063

      CAID: CA6402595

      gnomAD: MAF of 0.1184 (8878/74958 alleles) in African/African American population https://gnomad.broadinstitute.org/variant/chr12-6019280-T-C?dataset=gnomad_r4

      Variant: c.4304A > G, p.(Asn1435Ser)

      HGVS: NM_000552.5:c.4304A>G (p.Asn1435Ser)

      ClinVarID: 310062

      CAID: CA6402552

      gnomAD: MAF of 0.1124 (8427/74964 alleles) in African/African American population https://gnomad.broadinstitute.org/variant/chr12-6019114-T-C?dataset=gnomad_r4

      Variant: c.4414G > C p.(Asp1472His)

      HGVS: NM_000552.5:c.4414G>C (p.Asp1472His)

      ClinVarID: 256679

      CAID: CA6402534

      gnomAD: MAF of 0.5076 (38011/74882 alleles) in African/African American population https://gnomad.broadinstitute.org/variant/chr12-6019004-C-G?dataset=gnomad_r4

    6. 49 W

      Case: Patient 49, Family W (Table 1.), F/57, Afro-Caribbean

      DiseaseAssertion: VWD2M

      FamilyInfo: NA

      ParentalGenotype(s): NA

      CasePresentingHPOs:

      CaseHPOFreeRext: BAT = NA, FVIII:C (IU/dL) = 57, VWF:Ag (IU/dL) = 50, VWF:Act (IU/dL) = 29

      CaseNOTHPOs:

      CaseNOTHPOFreeText: Blood group A+

      CasePreviousTesting:

      GenotypingMethod: All samples were analyzed by captured-based high throughput sequencing which was performed with a custom-design of the VWF gene provided by Twist BioScience (San Francisco, USA). It comprised all 52 exons, intronic flanking regions, promoter and 3’UTR region of the VWF gene. Libraries were prepared by using the Twist NGS target enrichment solution (Twist BioScience) according to the manufacturer protocol. Samples were analyzed on a NovaSeq 6000 sequencer (Illumina) with a median read depth of 2500X by using the 300-cycle S1 NovaSeq 6000seq reagent kit with 150-bp paired-end reads. The raw data were analyzed with Mutect21 and Vardict2 tools. The inhouse NGSreport software (CHU Lille) was used for data visualization, sequences check and conservation of variants with high quality metrics. In some cases, patients genomic DNA was screened for sequence variations (large deletions, insertions and duplications) by Multiplex Ligation-dependent Probe Amplification (MCR Holland).

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.4315G > A, p.(Val1439Met)

      HGVS: NM_000552.5:c.4315G>A (p.Val1439Met)

      ClinVarID: 1334625

      CAID: CA6402550

      gnomAD: MAF of 0.005146 (386/75012 alleles) in African American population https://gnomad.broadinstitute.org/variant/chr12-6019103-C-T?dataset=gnomad_r4

      Variant: c.4414G > C p.(Asp1472His)

      HGVS: NM_000552.5:c.4414G>C (p.Asp1472His)

      ClinVarID: 256679

      CAID: CA6402534

      gnomAD: MAF of 0.5076 (38011/74882 alleles) in African/African American population https://gnomad.broadinstitute.org/variant/chr12-6019004-C-G?dataset=gnomad_r4

    7. 45 V

      Case: Patient 45, Family V (Table 1.), M/51, Afro-Caribbean

      DiseaseAssertion: VWD2M

      FamilyInfo: NA

      ParentalGenotype(s): NA

      CasePresentingHPOs:

      CaseHPOFreeRext: BAT = 5, FVIII:C (IU/dL) = 45, VWF:Ag (IU/dL) = 96, VWF:Act (IU/dL) = 59

      CaseNOTHPOs:

      CaseNOTHPOFreeText: Blood group O+

      CasePreviousTesting:

      GenotypingMethod: All samples were analyzed by captured-based high throughput sequencing which was performed with a custom-design of the VWF gene provided by Twist BioScience (San Francisco, USA). It comprised all 52 exons, intronic flanking regions, promoter and 3’UTR region of the VWF gene. Libraries were prepared by using the Twist NGS target enrichment solution (Twist BioScience) according to the manufacturer protocol. Samples were analyzed on a NovaSeq 6000 sequencer (Illumina) with a median read depth of 2500X by using the 300-cycle S1 NovaSeq 6000seq reagent kit with 150-bp paired-end reads. The raw data were analyzed with Mutect21 and Vardict2 tools. The inhouse NGSreport software (CHU Lille) was used for data visualization, sequences check and conservation of variants with high quality metrics. In some cases, patients genomic DNA was screened for sequence variations (large deletions, insertions and duplications) by Multiplex Ligation-dependent Probe Amplification (MCR Holland).

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.4196G > A, p.(Arg1399His)

      HGVS: NM_000552.5:c.4196G>A (p.Arg1399His)

      ClinVarID: 293

      CAID: CA114133

      gnomAD: MAF of 0.01540 (456/29604 alleles) in Ashkenazi Jewish population https://gnomad.broadinstitute.org/variant/chr12-6019222-C-T?dataset=gnomad_r4

      Variant: c.4414G > C p.(Asp1472His)

      HGVS: NM_000552.5:c.4414G>C (p.Asp1472His)

      ClinVarID: 256679

      CAID: CA6402534

      gnomAD: MAF of 0.5076 (38011/74882 alleles) in African/African American population https://gnomad.broadinstitute.org/variant/chr12-6019004-C-G?dataset=gnomad_r4

    1. P9

      Case: P9, female, 28yo

      DiseaseAssertion: VWD2M

      FamilyInfo: NA

      ParentalGenotype(s): NA

      CasePresentingHPOs: HP:0012147, HP:0030129, HP:0030130

      (Reduced quantity of VWF, Impaired ristocetin cofactor assay activity, Impaired von Willebrand factor collagen binding activity)

      CaseHPOFreeText: bleeding score = 7; VWF:Ag (%) = 35, VWF:RCo(%) = 24, VWF:RCo/VWF:Ag ratio = 0.69, VWF:CIIIB (%) = 11, VWF:CIIIB/VWF:Ag ratio = 0.31, VWF:CVIB (%) = 19.2, VWF:CVIB/VWF:Ag ratio = 0.54

      CaseNOTHPOs: HP:0030132

      (Absence of large von Willebrand factor multimers)

      CaseNOTHPOFreeText: NA

      CasePreviousTesting: NA

      GenotypingMethod: NGS

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.5140G>C (p.Ala1714Pro)

      HGVS: NM_000552.3:c.5140G>C (p.Ala1714Pro)

      ClinVarID: NA

      CAID: CA383496428; http://reg.clinicalgenome.org/redmine/projects/registry/genboree_registry/by_caid?caid=CA383496428

      gnomAD: absent

    2. P2

      Case: P2, male, 32yo

      DiseaseAssertion: VWD2M

      FamilyInfo: NA

      ParentalGenotype(s): NA

      CasePresentingHPOs: HP:0012147, HP:0030129, HP:0030130

      (Reduced quantity of VWF, Impaired ristocetin cofactor assay activity, Impaired von Willebrand factor collagen binding activity)

      CaseHPOFreeText: bleeding score = 7; VWF:Ag (%) = 32, VWF:RCo(%) = 19, VWF:RCo/VWF:Ag ratio = 0.59, VWF:CIIIB (%) = 35, VWF:CIIIB/VWF:Ag ratio = 1.09, VWF:CVIB (%) = 32, VWF:CVIB/VWF:Ag ratio = 1.00

      CaseNOTHPOs: HP:0030132

      (Absence of large von Willebrand factor multimers)

      CaseNOTHPOFreeText: NA

      CasePreviousTesting: NA

      GenotypingMethod: NGS

      PreviouslyPublished: If applicable.

      Gene: VWF

      Variant: c.4117G>T (p.Asp1373Tyr)

      HGVS: NM_000552.3:c.4117G>T (p.Asp1373Tyr)

      ClinVarID: NA

      CAID: CA383504503; http://reg.clinicalgenome.org/redmine/projects/registry/genboree_registry/by_caid?caid=CA383504503

      gnomAD: MAF = 0.00002891 (1/34588 alleles) in Latino/AdMixed American population; https://gnomad.broadinstitute.org/variant/12-6128467-C-A

    3. P8

      Case: Patient 8, male, 9yo

      DiseaseAssertion: VWD2M

      FamilyInfo: NA

      ParentalGenotype(s): NA

      CasePresentingHPOs: HP:0030129, HP:0030130

      (Impaired ristocetin cofactor assay activity, Impaired von Willebrand factor collagen binding activity)

      CaseHPOFreeText: bleeding score = 3; VWF:Ag (%) = 57, VWF:RCo(%) = 43, VWF:RCo/VWF:Ag ratio = 0.75, VWF:CIIIB (%) = 35, VWF:CIIIB/VWF:Ag ratio = 0.61, VWF:CVIB (%) = 18, VWF:CVIB/VWF:Ag ratio = 0.32

      CaseNOTHPOs: HP:0030132

      (Absence of large von Willebrand factor multimers)

      CaseNOTHPOFreeText: NA

      CasePreviousTesting: NA

      GenotypingMethod: NGS

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.4196G>A

      HGVS: NM_000552.5(VWF):c.4196G>A

      ClinVarID: 293; https://www.ncbi.nlm.nih.gov/clinvar/variation/293/

      CAID:

      gnomAD: MAF = 0.01670 (173/10360 alleles) in the Ashkenazi Jewish population; https://gnomad.broadinstitute.org/variant/12-6128388-C-T?dataset=gnomad_r2_1

    1. p.Y1349C

      Case#: p.Y1349C, Female, Age 29, Caucasian

      Disease Assertion: VWD2M

      FamilyInfo: 5 affected family members with varied bleeding scores (range 4-14)

      Parental Genotype: Not listed

      CasePresentingHPOs:

      CaseHPOFreeText: bleeding score 8, VWF:Rco/VWF:Ag ratio 0.35, VWF:Rco 17 IU/dL, VWF:Ag 49 IU/dL,

      CaseNotHPOs:HP:0040240

      (Increased Ratio of VWF Propeptide to VWF antigen)

      CaseNotHPOFreeText: normal multimer distribution

      Protein Expression:

      CasePreviousTesting:VWF Sequencing

      Gene: VWF

      Variant: NM_000552.4:c.4046A>G (p.Tyr1349Cys)

      ClinVar: N/A

      CAID: CA383505652

      CAID

      gnomAD: N/A

    2. p.R1374C

      Case: p.R1374C, Male, Age 39, Caucasian

      Disease Assertion: VWD2M

      FamilyInfo: 25 family members tested, 1 with high bleeding score, some affected by VWD (number not defined)

      Parental Genotype: Not listed

      CasePresentingHPOs:

      CaseHPOFreeText: VWF:RCo 12 IU/dL, VWF:GPIbM 18 U/dL, VWF:CB3 19 IU/dL, VWF:CB4 14 U/dL, VWF:RCo/VWF:Ag ratio 0.55

      CaseNotHPOs: HP:0040240

      (Increased Ratio of VWF Propeptide to VWF antigen)

      CaseNotHPOFreeText:bleeding score 2, normal multimer distribution,VWF:Ag 22 IU/dL

      Protein Expression:

      CasePreviousTesting: VWF sequencing

      Gene: VWF

      Variant: NM_000552.4(VWF):c.4120C>T (p.Arg1374Cys)

      ClinVar: 100329 ClinVarID

      CAID: CA228539

      CAID

      gnomAD: MAF of 0.000008824 (1/113322 alleles) in the European (non-Finnish) population.

      gnomAD

    3. p.I1453N

      Case#: p.I1453N, Male, Age 25, Caucasian

      Disease Assertion: VWD2M

      FamilyInfo: No affected family members enrolled in study

      Parental Genotype: Not listed

      CasePresentingHPOs: N/A

      CaseHPOFreeText: bleeding score 11, VWF:RCo/VWF:Ag ratio 0.55, VWF:Ag 20 IU/dL, VWF:RCo 11 IU/dL,

      CaseNotHPOs:HP:0040240

      (Increased Ratio of VWF Propeptide to VWF antigen)

      CaseNotHPOFreeText: Normal multimer distribution

      Protein Expression: N/A

      CasePreviousTesting: VWF sequencing

      Gene: VWF

      Variant: NM_000552.4:c.4358T>A (p.Ile1453Asn)

      ClinVar: N/A

      CAID: CA383502477

      CAID

      gnomAD: N/A

    4. p.D1283Y

      Case#: p.D1283Y, Female, Age 85, Caucasian

      Disease Assertion: VWD2M

      FamilyInfo: Single affected family member with similar bleeding score

      Parental Genotype: Not listed

      CasePresentingHPOs:

      CaseHPOFreeText: VWF:RCo/ VWF:Ag ratio 0.34, bleeding score 12, VWF:RCo 12 IU/dL, VWF:Ag 25 IU/dL

      CaseNotHPOs: HP:0040240

      (Increased Ratio of VWF Propeptide to VWF antigen)

      CaseNotHPOFreeText: Normal multimer distribution

      Protein Expression: N/A

      CasePreviousTesting: VWF Sequencing

      Gene: VWF

      Variant: NM_000552.4:c.3847G>T (p.Asp1283Tyr)

      ClinVar: N/A

      CAID: CA383506819

      CAID

      gnomAD: N/A

    1. P21

      Case: P21, F/5

      DiseaseAssertion: VWD2M

      FamilyInfo: Positive family history, no details provided.

      ParentalGenotype: NA

      CaseHPOFreeText: The bleeding score was 2, aPTT was 53 seconds, FVIII:C was 30%, and VWF:RCo was 25 IU/dL. The VWF:RCo/VWF:Ag ratio indicated a mild loss of high molecular weight multimers. RIPA was 4, VWF multimer analysis was 301, and platelet count was not specified.

      CasePreviousTesting: NA

      GenotypingMethod: Direct sequencing of all exons, flanking intronic sequences, and the promoter of VWF was performed.

      Gene: VWF

      Variant: c.4121G>T, p.R1374L — heterozygous

      HGVS: NM_000552.5(VWF):c.4121G>T (p.Arg1374Leu)

      ClinVar: 100331

      CAID: CA228543

      gnomAD: https://gnomad.broadinstitute.org/variant/chr12-6019297-C-A?dataset=gnomad_r4

    1. Case: P82, Chinese, female, 80yo

      DiseaseAssertion: VWD2M

      FamilyInfo: NA

      ParentalGenotype(s): NA

      CasePresentingHPOs: HP:0012147

      (Reduced quantity of VWF)

      CaseHPOFreeText: type AB blood, bleeding score = 10; VWF:Ag (%) = 15.6, VWF:RCo (%) = 2.7, FVIII:C (%) = 50.8, VWF:CB (%) = 14.9, VWFpp (%) = 13.6, VWF:RCo/VWF:Ag = 0.2, VWF:CB/VWF:Ag = 1.0, VWFpp/VWF:Ag = 0.9, FVIII:C/VWF:Ag = 3.3

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting: NA

      GenotypingMethod: NGS

      PreviouslyPublished: NA

      Gene: VWF

      Variant 1: c.3365C>T (p.Thr1122Met)

      HGVS: NM_000552.4(VWF):c.3365C>T (p.Thr1122Met)

      ClinVarID: 453122; https://www.ncbi.nlm.nih.gov/clinvar/variation/453122/

      CAID: NA

      gnomAD: MAF = 0.003169 (63/19880 alleles) in the East Asian population; https://gnomad.broadinstitute.org/variant/12-6132811-G-A?dataset=gnomad_r2_1

      Variant 2: c.3895del

      HGVS: NM_000552.5:c.3895del

      ClinVarID: NA

      CAID: CA603482918; http://reg.clinicalgenome.org/redmine/projects/registry/genboree_registry/by_caid?caid=CA603482918

      gnomAD: MAF = 0.00009925 (1/10076 alleles) in Ashkenazi Jewish population; https://gnomad.broadinstitute.org/variant/12-6128686-CA-C

      Variant 3: c.5668G>A (p.Gly1890Arg)

      HGVS: NM_000552.4(VWF):c.5668G>A (p.Gly1890Arg)

      ClinVarID: 672096; https://www.ncbi.nlm.nih.gov/clinvar/variation/627096/

      CAID: NA

      gnomAD: MAF = 0.00006559 (1/15246 alleles) in European (non-Finnish) population; https://gnomad.broadinstitute.org/variant/12-6120957-C-T?dataset=gnomad_r2_1

      Variant 4: c.6424C>T (p.Leu2142Phe)

      HGVS: NM_000552.5(VWF):c.6424C>T (p.Leu2142Phe)

      ClinVarID: 988881; https://www.ncbi.nlm.nih.gov/clinvar/variation/988881/

      CAID: NA

      gnomAD: absent

    2. Case: P29, Chinese, male, 10yo

      DiseaseAssertion: VWD2M

      FamilyInfo: NA

      ParentalGenotype(s): NA

      CasePresentingHPOs: HP:0012147

      (Reduced quantity of VWF)

      CaseHPOFreeText: type B blood, bleeding score = 5; VWF:Ag (%) = 13.9, VWF:RCo (%) = 5.9, FVIII:C (%) = 37.8, VWF:CB (%) = 17.4, VWFpp (%) = 31.3, VWF:RCo/VWF:Ag = 0.4, VWF:CB/VWF:Ag = 1.3, VWFpp/VWF:Ag = 2.3, FVIII:C/VWF:Ag = 2.7

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting: NA

      GenotypingMethod: NGS

      PreviouslyPublished: NA

      Gene: VWF

      Variant: c.3943C>T (p.Arg1315Cys)

      HGVS: NM_000552.4(VWF):c.3943C>T (p.Arg1315Cys)

      ClinVarID: 100310; https://www.ncbi.nlm.nih.gov/clinvar/variation/100310/

      CAID: NA

      gnomAD: absent

    1. The proband

      Case#: 1, Male, Age 12, Caucasian (Proband), Blood type O

      Disease Assertion: VWD2M

      FamilyInfo: Mother with clinical symptoms (see case #2). 40 year old father and sister had no bleeding symptoms. Parents had a non-consanguineous relationship, Table 1

      Parental Genotype: Heterozygous mother, normal father

      CasePresentingHPOs: HP:0000421, HP:0000978, HP:0004846, HP:0000225

      (Epistaxis, Bruising susceptibility, Prolonged bleeding after surgery, Gingival bleeding)

      CaseHPOFreeText: Bleeding in the central nervous system, Epistaxis required tamponades, bleeding score 14, VWF:RCo: 9 IU/dL, VWF:Ag: 17 IU/dL, RCo/Ag: 0.53, Absence of response to DDAVP infusion

      CaseNotHPOs: N/A

      CaseNotHPOFreeText: N/A

      Protein Expression: N/A

      CasePreviousTesting: Forward and reverse strands sequenced by automated sequencing technology, PCR techniques used to analyze exons 17, 26-31, and 52 of VWF gene

      Gene: VWF

      Variant: NM_000552.3:c.4276C>T (p.Arg1426Cys) and NM_000552.3:c.4944del (p.Ile1649Serfs?)

      ClinVar: 100407 (for c.4944delT) ClinVarID website

      CAID: CA6402561 and CA228684

      CA6402561 CA228684

      gnomAD: MAF of 0.00006152 (1/16254 alleles) in the African population for CA6402561. MAF of 0.00005440 (1/18384 alleles) in the East Asian population for CA228684.

      gnomAD website1 gnomAD website2

    1. proband (II-4 in Fig. 1) had melena at 50 years of age,

      Case II-4: Male, Japan, Japanese, part of Family<br /> DiseaseAssertion: VWD2M<br /> FamilyInfo: Japanese; Fig.1; epistaxis and bleeding described and highlighted in text<br /> ParentalGenotype: Consanguineous <br /> CasePresentingHPOs: HP:0002249 (melena), HP:0000421 (epistaxis), HP:0004846 (prolonged bleeding after surgery)<br /> CaseHPOFreeText: Melena at 50 years of age, Left putinamal hemorrhaging at 58 years of age, bleeding time was 30 min<br /> CaseNotHPOs:<br /> NotHPOsFreeText: platelet count, prothrombin time were normal<br /> CasePreviousTesting: Proband's VWF gene was analyzed using an enzyme-linked immunosorbent assay kit and PCR was done. Clinical bleeding expression was estimated.<br /> Gene: VWF<br /> Variant: p.Leu1733Pro mutation <br /> ClinVar:<br /> CAID:<br /> gnomAD:

    1. A case report of type 2M Von Willebrand disease withunique mutations

      Gene: VWF

      HGNCID: 12726

      Case: 55 year old female

      DiseaseAssertion: type 2M VWD

      FamilyInfo: one sister with VWD of unknown type. Four other siblings with no bleeding history.

      CasePresentingHPOs: HP:0002239 (Gastrointestinal hemorrhage), Gastrointestinal angiodysplasia HP:0000471, Hemoptysis HP:0002105, Epistaxis HP:0000421, Menorrhagia HP:0000132

      CaseHPOFreeRext: normal PT/aPTT. Von Willebrand panel shows vWF antigen of 33%, VWF ristocetin cofactor activity of 15%, and Factor VIII of 87%. The ratio (VWF: RCo/VWF: Ag) is low (0.45) and the multimer pattern is normal.

      Gene: VWF

      Variant: c.4241T>G (p.Val1414Gly) and c.5227G>A (p.Val1743Met)

      ClinVarID: 619752, 801307

    1. 1

      Case: 2M-1

      DiseaseAssertion: VWD2M

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs: AcuStar RCo/Ag = 0.60; AcuStar CB/Ag = 1.16; ELISA CB/Ag = 1.12

      CaseHPOFreeText:

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting:

      GenotypingMethod: not described

      PreviouslyPublished:

      Gene: VWF

      Variant: p.Arg1315Gln

      HGVS: n/a

      ClinVarID: n/a

      CAID: n/a

      gnomAD: n/a

    2. 1

      Case: 2M-2

      DiseaseAssertion: VWD2M

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs: AcuStar RCo/Ag = 0.01; AcuStar CB/Ag = 1.16; ELISA CB/Ag = 1.41

      CaseHPOFreeText:

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting:

      GenotypingMethod: not described

      PreviouslyPublished: 1409710

      Gene: VWF

      Variant: c.3970G>A (p.Gly1324Ser)

      HGVS: NM_000552.5(VWF):c.3970G>A (p.Gly1324Ser)

      ClinVarID: 300; https://www.ncbi.nlm.nih.gov/clinvar/variation/300/?new_evidence=false

      CAID:

      gnomAD: MAF = 0.00003267 in South Asian population; https://gnomad.broadinstitute.org/variant/12-6128614-C-T

    1. 1 CASE PRESENTATION

      Case#: 32 year old female

      DiseaseAssertion: VWD Type 2M

      CaseHPOFreeText4: Testing was repeated multiple times, with initial results being untrustworthy. Follow up testing is as follows: VWF:RCo/VWF:Ag ratio = 0.61, VWF:CB = 10. Normal multimers

      CasePreviousTesting: Molecular analysis by next generation gene sequencing analysis of VWF, F8, GPIBA and GPIBB.

      Gene: VWF

      Variant: variant in VWF at exon 31 (c.5347 T > G) that leads to a VWF protein change of p.Ser1783Ala

      HGVS: NM_000552.5(VWF):c.5347T>G (p.Ser1783Ala)

      ClinVar: 31012

      CAID: CA228715

      gnomAD: 0.0006918 in South Asian pop

    1. 2M

      Case: 2M, female, 25yo

      DiseaseAssertion: VWD2M

      FamilyInfo:

      ParentalGenotype(s):

      CasePresentingHPOs:

      CaseHPOFreeText: Blood type: A+, bleeding score = 7, VWF:Ag (IU/mL) = 0.11; VWF:RCo (IU/mL) = 0.03; FVIII:C (IU/mL) = 0.39

      CaseNOTHPOs:

      CaseNOTHPOFreeText:

      CasePreviousTesting:

      GenotypingMethod: qRT-PCR

      PreviouslyPublished:

      Gene: VWF

      Variant: c.4145T>C (p.Leu1382Pro)

      HGVS: NM_000552.5:c.4145T>C (p.Leu1382Pro)

      ClinVarID: n/a

      CAID: CA383504407; https://reg.clinicalgenome.org/redmine/projects/registry/genboree_registry/by_caid?caid=CA383504407

      gnomAD: absent