ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.8633_8636del (p.Phe2878fs)

dbSNP: rs727503686
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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 RCV000152488 SCV000201629 uncertain significance not specified 2014-04-03 criteria provided, single submitter clinical testing Variant classified as Uncertain Significance - Favor Pathogenic. The Phe2878fs v ariant in TTN has not been reported in individuals with cardiomyopathy. Data fro m large population studies is insufficient to assess the frequency of this varia nt. This frameshift variant is predicted to alter the protein?s amino acid seque nce beginning at position 2878 and lead to a premature termination codon 10 amin o acids downstream. This alteration is then predicted to lead to a truncated or absent protein. Frameshift and other truncating variants in TTN are strongly ass ociated with DCM and the majority occur in exons encoding for the A-band region of the protein (Herman 2012, Pugh 2014), while this variant occurs in the I-band . Although the data support that the Phe2878fs variant may be pathogenic, additi onal studies are needed to fully assess its clinical significance.

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