ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.55156_55165del (p.Asp18386fs)

dbSNP: rs1553674975
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000556467 SCV000642442 likely pathogenic Dilated cardiomyopathy 1G; Autosomal recessive limb-girdle muscular dystrophy type 2J 2018-10-26 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Likely Pathogenic. This variant is found in the A-band of this gene. Truncating variants in the A-band of TTN are significantly overrepresented in patients with dilated cardiomyopathy and are considered to be likely pathogenic for the disease (PMID: 25589632). Truncating variants in TTN have also been reported in individuals affected with autosomal recessive centronuclear myopathy (PMID: 23975875). This variant has not been reported in the literature in individuals with TTN-related disease. ClinVar contains an entry for this variant (Variation ID: 466640). This variant is not present in population databases (ExAC no frequency). This sequence change results in a premature translational stop signal in the TTN gene (p.Asp18386Phefs*34). While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the TTN protein.

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