7 Matching Annotations
  1. Oct 2026
  2. onlinelibrary-wiley-com.libproxy.lib.unc.edu onlinelibrary-wiley-com.libproxy.lib.unc.edu
    Molecular characterization of haemophilia B patients in southern Brazil
    1
    1. ClingenBaseline 24 Oct 2026
      c.128G>A

      Case#: Meireles_Proband_2 (assumed male)

      DiseaseAssertion: Severe Hemophilia B

      FamilyInfo: None

      ParentalTesting: None

      CasePresentingHPOs: HP:0011858

      CaseHPOsFreeText: reduced factor IX activity

      CaseNotHPOs: N/A

      CasePreviousTesting: None

      Gene: F9

      Variant: NM_000133.4:c.128G>A (p.Arg43Trp)

      ClinVar: 810864

      CAID: CA414435539

      gnomAD: Absent/Not Reported

      Gene: F9 CaseInfo InheritancePattern:X-Linked DiseaseEntity:FactorIXDeficiency Mutation:Missense Zygosity:NoZygosityAssertion CAID:CA414435539 FIXTesting:None ParentalTest:Unknown DiseaseSeverity:Severe inferred_gene_hgnc:3551 inferred_gene_source:CAID ClinGen Coag Fac Def VCEP
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    onlinelibrary-wiley-com.libproxy.lib.unc.edu/doi/10.1111/hae.13277
  3. www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
    Regulation of a strong F9 cryptic 5′ss by intrinsic elements and by combination of tailored U1snRNAs with antisense oligonucleotides
    1
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    ncbi.nlm.nih.gov/pmc/articles/PMC4527485/
  4. pubmed.ncbi.nlm.nih.gov pubmed.ncbi.nlm.nih.gov
    Germline mutations in the factor IX gene: a comparison of the pattern in Caucasians and non-Caucasians
    1
    1. ClingenBaseline 24 Oct 2026
      mutations in the factor IX gene resulting in hemophilia B.

      Case#: Gostout_Proband_280 (assumed male, Asian (from Japan))

      DiseaseAssertion: Severe Hemophilia B

      FamilyInfo: N/A

      ParentalTesting: None

      CasePresentingHPOs: HP:0011858

      CaseHPOsFreeText: reduced factor IX activity (FIX:C: 1.8%)

      CaseNotHPOs: None

      CasePreviousTesting: N/A

      Gene: F9

      Variant: NM_000133.4:c.128G>A (p.Arg43Gln)

      ClinVar: 810864

      CAID: CA414435539

      gnomAD: Absent/Not Reported

      Gene: F9 CaseInfo InheritancePattern:X-Linked DiseaseEntity:FactorIXDeficiency CAID:CA414435539 FIXTesting:Partial ParentalTest:Unknown DiseaseSeverity:Severe inferred_gene_hgnc:3551 inferred_gene_source:CAID ClinGen Coag Fac Def VCEP
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    pubmed.ncbi.nlm.nih.gov/8499919/
  5. pdf.sciencedirectassets.com pdf.sciencedirectassets.com
    PII: 0049-3848(92)90249-A
    1
    1. ClingenBaseline 23 Oct 2026
      (6372)

      Case#: Patient E (assumed male)

      DiseaseAssertion: Severe, Familial Hemophilia B

      FamilyInfo: Mothers were heterozygous, but patient E’s sister and aunt were non-carriers (homozygous for the cleavage)

      ParentalTesting: Mothers were heterozygous, but patient E’s sister and aunt were non-carriers (homozygous for the cleavage)

      CasePresentingHPOs: HP:0011858

      CasePresentingHPOsFreeText: reduced factor IX activity (FIX:C: <1; FIX:Ag:37/38)

      CaseNotHPOs: N/A

      CasePreviousTesting: N/A

      Gene: F9

      Variant: NM_000133.4:c.135G>T (p.Lys45Asn)

      ClinVar: Absent/Not Reported

      CAID: CA414435576

      gnomAD: Absent/Not Reported

      Gene: F9 CaseInfo InheritancePattern:X-Linked DiseaseEntity:FactorIXDeficiency Mutation:Missense Zygosity:NoZygosityAssertion CAID:CA414435576 ParentalTest:Unknown FIXTesting:Full DiseaseSeverity:Severe inferred_gene_hgnc:3551 inferred_gene_source:CAID ClinGen Coag Fac Def VCEP
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    pdf.sciencedirectassets.com/271043/1-s2.0-S0049384800X04367/1-s2.0-004938489290249A/main.pdf
  6. onlinelibrary-wiley-com.libproxy.lib.unc.edu onlinelibrary-wiley-com.libproxy.lib.unc.edu
    Identification of mutations in the F9 gene including exon deletion by multiplex ligation-dependent probe amplification in 33 unrelated Korean patients with haemophilia B
    2
    1. ClingenBaseline 22 Oct 2026
      (Leu24Pro)

      Case#: HB-KHF-04 (Male, Korean)

      DiseaseAssertion: Severe Hemophilia B

      FamilyInfo: Among the 33 patients, 13 had a family history (39%), while the rest of the patients did not (sporadic, 61%). 27 patients (82%) had the severe form of the disease, while 6 patients (18%) had the moderate form

      ParentalTesting: N/A

      CasePresentingHPOs: HP:0003645, HP:0011858

      CaseHPOsFreeText: Prolonged partial thromboplastin time, reduced factor IX activity

      CaseNotHPOs: None

      CasePreviousTesting: aPTT and one-stage clotting assay at labs where patients were ascertained: FIX-deficient plasma (STA®-Deficient IX; Diagnostica Stago, Asnieres-sur-Seine, France; reference range, 60–150%) at Samsung Medical Center or HemosIL™ (Instrumentation Laboratory, Milan, Italy; reference range, 50–145%) at the Korea Hemophilia Foundation.

      Gene: F9

      Variant: NM_000133.4:c.71T>C (p.Leu24Pro)

      ClinVar: Absent

      CAID: CA414434410

      gnomAD: Absent/Not Reported

      Gene: F9 CaseInfo DiseaseEntity:FactorIXDeficiency InheritancePattern:X-Linked Zygosity:NoZygosityAssertion FIXTesting:Partial CAID:CA414434410 ParentalTest:Unknown DiseaseSeverity:Severe inferred_gene_hgnc:3551 inferred_gene_source:CAID ClinGen Coag Fac Def VCEP
    2. ClingenBaseline 21 Oct 2026
      Arg-4Leu (Arg43Leu)

      Case#: HB-KHF-25 (Male, Korean)

      DiseaseAssertion: Severe Hemophilia B

      FamilyInfo: Among the 33 patients, 13 had a family history (39%), while the rest of the patients did not (sporadic, 61%). 27 patients (82%) had the severe form of the disease, while 6 patients (18%) had the moderate form

      ParentalTesting: N/A

      CasePresentingHPOs: HP:0003645, HP:0011858

      CaseHPOsFreeText: Prolonged partial thromboplastin time, reduced factor IX activity

      CaseNotHPOs: None

      CasePreviousTesting: aPTT and one-stage clotting assay at labs where patients were ascertained: FIX-deficient plasma (STA®-Deficient IX; Diagnostica Stago, Asnieres-sur-Seine, France; reference range, 60–150%) at Samsung Medical Center or HemosIL™ (Instrumentation Laboratory, Milan, Italy; reference range, 50–145%) at the Korea Hemophilia Foundation.

      Gene: F9

      Variant: NM_000133.4:c.128G>T (p.Arg43Leu)

      ClinVar: 993549

      CAID: CA414435545

      gnomAD: Absent/Not Reported

      Gene: F9 CaseInfo DiseaseEntity:FactorIXDeficiency InheritancePattern:X-Linked Zygosity:NoZygosityAssertion FIXTesting:Partial CAID:CA414435545 ParentalTest:Unknown DiseaseSeverity:Severe inferred_gene_hgnc:3551 inferred_gene_source:CAID ClinGen Coag Fac Def VCEP
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    onlinelibrary-wiley-com.libproxy.lib.unc.edu/doi/10.1111/j.1365-2516.2008.01796.x
  7. pubmed.ncbi.nlm.nih.gov pubmed.ncbi.nlm.nih.gov
    Molecular defects in haemophilia B: detection by direct restriction enzyme analysis
    1
    1. ClingenBaseline 22 Oct 2026
      mutations

      Case#: Chan_Hong Kong 2 & Chan_Hong Kong 3 (Southern Chinese, assumed male)

      DiseaseAssertion: Severe Hemophilia B

      FamilyInfo: Carrier testing of at risk females in each family was completed by direct restriction enzyme analysis after determination of the specific FIX defect for the index patient

      ParentalTesting: N/A

      CasePresentingHPOs: HP:0011858

      CaseHPOsFreeText: reduced factor IX activity (Chan_Hong Kong 2 FIX:Ag: 0.93; FIX:C: 0.04) (Chan_Hong Kong 3 FIXAg: 0.82; FIX:C: 0.01)

      CaseNotHPOs: N/A

      CasePreviousTesting: N/A

      Gene: F9

      Variant: NM_000133.4:c.128G>A (p.Arg43Gln)

      LegacyVariant: c.6365 G>A (p.Arg-4Gln)

      ClinVar: 810864

      CAID: CA414435539

      gnomAD: Absent/Not Reported

      Gene: F9 CaseInfo Inherit DiseaseEntity:FactorIXDeficiency Mutation:Missense Zygosity:NoZygosityAssertion CAID:CA414435539 FIXTesting:Full ParentalTest:Unknown DiseaseSeverity:Severe inferred_gene_hgnc:3551 inferred_gene_source:CAID ClinGen Coag Fac Def VCEP
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    pubmed.ncbi.nlm.nih.gov/1680373/