ClinVar Miner

Submissions for variant NM_000132.3(F8):c.1804C>T (p.Arg602Ter) (rs137852424)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
NIHR Bioresource Rare Diseases, University of Cambridge RCV000852054 SCV000899563 pathogenic Hereditary factor IX deficiency disease 2019-02-01 criteria provided, single submitter research
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories RCV000010945 SCV001160019 pathogenic Hereditary factor VIII deficiency disease 2018-10-05 criteria provided, single submitter clinical testing The F8 c.1804C>T; p.Arg602Ter variant (rs137852424), also known as R583X, is reported in the literature in multiple individuals affected with moderate to severe hemophilia A (Johnsen 2017, Lu 2018, Salviato 2007, F8 database and references therein). This variant is reported in ClinVar (Variation ID: 10232), and is absent from general population databases (1000 Genomes Project, Exome Variant Server, and Genome Aggregation Database), indicating it is not a common polymorphism. This variant induces an early termination codon and is predicted to result in a truncated protein or mRNA subject to nonsense-mediated decay. Functional analyses of the variant protein show a lack of immunofluorescence staining, suggesting degradation of the truncated RNA occurs (Zimmermann 2014). Based on available information, the p.Arg602Ter variant is considered to be pathogenic. References: Link to F8 database: http://www.factorviii-db.org/ Johnsen JM et al. Novel approach to genetic analysis and results in 3000 hemophilia patients enrolled in the My Life, Our Future initiative. Blood Adv. 2017 May 18;1(13):824-834. Lu Y et al. Spectrum and origin of mutations in sporadic cases of haemophilia A in China. Haemophilia. 2018 Mar;24(2):291-298. Salviato R et al. F8 gene mutation profile and ITT response in a cohort of Italian haemophilia A patients with inhibitors. Haemophilia. 2007 Jul;13(4):361-72. Zimmermann MA et al. Expression studies of mutant factor VIII alleles with premature termination codons with regard to inhibitor formation. Haemophilia. 2014 May;20(3):e215-21.
OMIM RCV000010945 SCV000031172 pathogenic Hereditary factor VIII deficiency disease 1995-01-01 no assertion criteria provided literature only

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