ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.32866del (p.Arg10956fs)

dbSNP: rs876658054
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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, Mass General Brigham Personalized Medicine RCV000218479 SCV000272627 uncertain significance not specified 2015-10-01 criteria provided, single submitter clinical testing Variant classified as Uncertain Significance - Favor Pathogenic. The p.Arg9712fs variant in TTN has not been previously reported in individuals with cardiomyopa thy. Data from large population studies is insufficient to assess the frequency of this variant. This variant is predicted to cause a frameshift, which alters t he protein?s amino acid sequence beginning at position 9712 and leads to a prema ture termination codon 9 amino acids downstream. This alteration is then predict ed to lead to a truncated or absent protein. Frameshift and other truncating var iants in TTN are strongly associated with DCM if they are located in the exons e ncoding for the A-band (Herman 2012, Pugh 2014) and/or are located in an exon th at is highly expressed in the heart (Roberts 2015), which is not the case for th e Arg9712fs variant. In summary, the severity of the predicted impact to the pro tein raises some suspicion for a pathogenic role but the clinical significance o f the p.Arg9712fs variant is uncertain.

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