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  2. 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
    1
    1. 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
  3. onlinelibrary-wiley-com.libproxy.lib.unc.edu onlinelibrary-wiley-com.libproxy.lib.unc.edu
    Molecular pathology of haemophilia B in Turkish patients: identification of a large deletion and 33 independent point mutations
    1
    1. ClingenBaseline 21 Oct 2026
      Arg-4Leu

      Case#: 37HBT150 (Turkish; assumed male)

      DiseaseAssertion: Moderate Hemophilia B

      FamilyInfo: N/A

      ParentalTesting: Not provided

      CasePresentingHPOs: HP:0011858

      CaseHPOsFreeText: Reduced factor IX activity (FIX:C: 1.3)

      CasePreviousTesting: N/A

      Gene: F9

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

      LegacyVariant: c.6365 G>T (p.Arg-4Leu)

      ClinVar: 993549

      CAID: CA414435545

      gnomAD: Absent/Not Reported

      Gene:F9 CaseInfo InheritancePattern:X-Linked DiseaseEntity:FactorIXDeficiency Mutation:Missense Zygosity:NoZygosityAssertion CAID:CA414435545 ParentalTest:Unknown FIXTesting:Partial DiseaseSeverity:Moderate 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/full/10.1046/j.1365-2141.2003.04141.x