ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.73185T>A (p.Tyr24395Ter)

dbSNP: rs794729283
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000184259 SCV000236881 uncertain significance not specified criteria provided, single submitter clinical testing The Y22754X mutation in the TTN gene has not been reported previously as a disease-causing mutation or as a benign polymorphism, to our knowledge. Y22754X is predicted to cause loss of normal protein function either due to production of an abnormal, prematurely truncated protein, or by absence of protein product due to nonsense mediated mRNA decay. Other truncating TTN variants have been reported in approximately 3% of control alleles (Herman D et al., 2012). However, Y22754X is located in the A-band region of titin, where the majority of truncating mutations associated with DCM have been reported (Herman D et al., 2012). Furthermore, Y22754X was not observed in approximately 6000 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The variant is found in TTN panel(s).

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