ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.66753T>G (p.Tyr22251Ter)

dbSNP: rs2047743679
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
New York Genome Center RCV004799597 SCV001468812 likely pathogenic Dilated cardiomyopathy 1G; Hypertrophic cardiomyopathy 9 2019-05-30 criteria provided, single submitter clinical testing The inherited c.66753T>G (p.Tyr22251Ter) variant leads to the premature termination of the protein at amino acid 22251/35992 (coding exon 316/363). It is absent from gnomAD and ExAC, suggesting it is not a common benign variant in the populations represented in those databases. The variant is absent from ClinVar and to our current knowledge has not been identified in affected individuals in the literature. The Tyr22251 residue is in the A-band of TTN, and nonsense variants within this region are associated with dilated cardiomyopathy [PMID: 22335739; PMID: 26777568]. Given its deleterious nature and its absence in population databases, the inherited c.66753T>G(p.Tyr22251Ter) variant is reported here as Likely Pathogenic.

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