ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.1922G>C (p.Gly641Ala) (rs1555338080)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Laboratory for Molecular Medicine, Partners HealthCare Personalized Medicine RCV000599995 SCV000713218 likely pathogenic Primary dilated cardiomyopathy 2017-06-15 criteria provided, single submitter clinical testing The p.Gly641Ala variant in MYH7 has been identified as apparently de novo in 1 i nfant with DCM (LMM data) and was absent from large population studies. Glycine (Gly) at position 641 is highly conserved in mammals and across evolutionarily d istant species, and the change to Alanine (Ala) was predicted to be pathogenic u sing a computational tool clinically validated by our laboratory. This tool's pa thogenic prediction is estimated to be correct 94% of the time (Jordan 2011). Of note, this variant lies in the head region of the protein. Missense variants in this region have been reported and statistically indicated to be more likely to cause disease (Walsh 2016). In summary, although additional studies are require d to fully establish its clinical significance, the p.Gly641Ala variant is likel y pathogenic.

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