ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.952A>C (p.Thr318Pro)

dbSNP: rs1566536436
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Center for Human Genetics, University of Leuven RCV000768482 SCV000886777 likely pathogenic Hypertrophic cardiomyopathy 2018-10-31 criteria provided, single submitter clinical testing
Agnes Ginges Centre for Molecular Cardiology, Centenary Institute RCV000768482 SCV001430817 likely pathogenic Hypertrophic cardiomyopathy 2018-10-11 no assertion criteria provided research MYH7 Thr318Pro has been reported by another genetic testing laboratory in a de novo case of HCM (ClinVar, SCV000886777.1). We was identified this variant in a HCM proband of Lebanese descent (Ingles J, et al., 2017). The variant segregated to multiple affected family members (5 meiosis). The variant is absent from the Genome Aggregation Database (http://gnomad.broadinstitute.org/). In a large HCM population study Walsh et al., showed that MYH7 variants identified in HCM cases were found to cluster between amino acids 181- 937 (2017), this implies that variants in this region are likely to cause a HCM phenotype. Computational tools SIFT, PolyPhen-2 and MutationTaster predicts this variant to be deleterious. Based on the adapted ACMG criteria (Kelly MA, et al., 2018) this variant is located in mutational hotspot (PM1), is rare in the general population (PM2), has been reported in a de novo case (PM6), segregates with disease (PP1_moderate) and multiple in silico tools predict that this variant is deleterious (PP3), therefore we classify MYH7 Thr318Pro as 'likely pathogenic'.

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