ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.3592G>T (p.Asp1198Tyr) (rs730880778)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Molecular Diagnostic Laboratory for Inherited Cardiovascular Disease,Montreal Heart Institute RCV000622778 SCV000740372 likely pathogenic not provided 2016-05-18 criteria provided, single submitter clinical testing
Agnes Ginges Centre for Molecular Cardiology,Centenary Institute RCV000853430 SCV000996341 uncertain significance Hypertrophic cardiomyopathy 2017-03-21 criteria provided, single submitter research The MYH7 Asp1198Tyr variant is absent in the 1000 genomes project (http://www.1000genomes.org/), as well as the Exome Aggregation Consortium dataset (http://exac.broadinstitute.org/). The variant has been identified by another laboratory in a HCM proband (Genedx, pers comm.) We identified this variant in a HCM proband with a family history of disease and sudden cardiac death. The variant was found to segregate an affected sibling. Interestingly, another rare variant at this position (Arg1198Asn) have also been reported in cardiomyopathy cases, suggesting that an amino acid substitution at this site may not be tolerated. Computational tools SIFT, MutationTaster, PolyPhen-2 and PolyPhen-HCM predict this variant to have a deleterious effect. In summary, based on limited information available and rarity in the general population, we classify MYH7 Asp1198Tyr as variant of "uncertain significance".

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