ClinVar Miner

Submissions for variant NM_000132.4(F8):c.984T>G (p.Phe328Leu)

dbSNP: rs782668199
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine RCV000825507 SCV000966814 likely pathogenic Hereditary factor VIII deficiency disease 2017-05-04 criteria provided, single submitter clinical testing The p.Phe328Leu (NM_000132.3 c.984T>G) (legacy name p.Phe309Leu) variant in F8 h as been reported in 2 (presumably hemizygous male) individuals and 2 known hemiz ygous males with Hemophilia A and related diseases (prolonged bleed after injury ) (Green 2008, Nair 2010, Pinto 2016), and was absent from large population stud ies. Computational prediction tools and conservation analysis suggest that the p .Phe328Leu variant may impact the protein, though this information is not predic tive enough to determine pathogenicity. In summary, although additional studies are required to fully establish its clinical significance, the p.Phe328Leu varia nt is likely pathogenic based on its occurrence in multiple affected individuals and absence from controls.
Genetics and Molecular Pathology, SA Pathology RCV000825507 SCV002761494 likely pathogenic Hereditary factor VIII deficiency disease 2021-01-15 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000825507 SCV005205192 likely pathogenic Hereditary factor VIII deficiency disease 2024-06-14 criteria provided, single submitter clinical testing Variant summary: F8 c.984T>G (p.Phe328Leu) results in a non-conservative amino acid change in the encoded protein sequence. Four of five in-silico tools predict a damaging effect of the variant on protein function. The variant was absent in 183036 control chromosomes. c.984T>G has been reported in the literature in individuals affected with Factor VIII Deficiency (Hemophilia A) (e.g. Nair_2015, Pinto_2016, Green_2008, Nance_2013). These data indicate that the variant is likely to be associated with disease. This variant is also known as F309L. The following publications have been ascertained in the context of this evaluation (PMID: 18691168, 25550078, 23711294, 26897466). ClinVar contains an entry for this variant (Variation ID: 666959). Based on the evidence outlined above, the variant was classified as likely pathogenic.
Mayo Clinic Laboratories, Mayo Clinic RCV004792545 SCV005411532 uncertain significance not provided 2024-07-16 criteria provided, single submitter clinical testing PP3, PM1_supporting, PM2, PS4_moderate

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