ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.56679dup (p.Ser18894Ter)

dbSNP: rs2052563186
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV001095784 SCV001251632 likely pathogenic Dilated cardiomyopathy 1G 2020-01-21 criteria provided, single submitter clinical testing The TTN c.56679dupT (p.Ser18894Ter) variant results in a frameshift and is predicted to result in premature termination of the protein. A literature search was performed for the gene, cDNA change, and amino acid change. No publications were found based on this search. The p.Ser18894Ter variant is located in the A-band region of TTN, and truncating variants in this region are significantly enriched in patients with dilated cardiomyopathy compared to controls (Herman et al. 2012; Roberts et al. 2015). This variant is not found in the Genome Aggregation Database in a region of good sequencing coverage, so the variant is presumed to be rare. Based on the potential impact of truncating variants and application of the ACMG criteria, the p.Ser18894Ter variant is classified as likely pathogenic for dilated cardiomyopathy.

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