ClinVar Miner

Submissions for variant NM_000132.3(F8):c.6967C>G (p.Arg2323Gly) (rs137852473)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories RCV000757257 SCV000885407 likely pathogenic not provided 2018-05-20 criteria provided, single submitter clinical testing The F8 c.6967C>G; p.Arg2323Gly variant (rs137852473), also reported as Arg2304Gly, is reported in the medical literature in at least one individual with hemophilia A (Liu 2000). Additionally, other variants in the same codon, p.Arg2323Cys, p.Arg2323His, p.Arg2323Leu, p.Arg2323Pro, are also described in individuals with hemophilia A (Eckhardt 2013, Liu 2000, Schwaab 1995, Timur 2001). The p.Arg2323Gly variant is absent from general population databases (1000 Genomes Project, Exome Variant Server, and Genome Aggregation Database), indicating it is not a common polymorphism. The arginine at codon 2323 is highly conserved across species and computational analyses (SIFT, PolyPhen-2) predict that this variant is deleterious. Considering available information, this variant is classified as likely pathogenic. References: Eckhardt CL et al. Factor VIII gene (F8) mutation and risk of inhibitor development in nonsevere hemophilia A. Blood. 2013 Sep 12;122(11):1954-62. Liu ML et al. Hemophilic factor VIII C1- and C2-domain missense mutations and their modeling to the 1.5-angstrom human C2-domain crystal structure. Blood. 2000 Aug 1;96(3):979-87. Schwaab R et al. Characterization of mutations within the factor VIII gene of 73 unrelated mild and moderate haemophiliacs. Br J Haematol. 1995 Oct;91(2):458-64. Timur AA et al. Molecular pathology of haemophilia A in Turkish patients: identification of 36 independent mutations. Haemophilia. 2001 Sep;7(5):475-81.

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