ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.7975C>G (p.Leu2659Val)

gnomAD frequency: 0.00003  dbSNP: rs747894424
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001293605 SCV001482222 uncertain significance not specified 2021-02-02 criteria provided, single submitter clinical testing Variant summary: TTN c.7975C>G (p.Leu2659Val) results in a conservative amino acid change located in the I-band region (cardiodb.org) of the encoded protein sequence. Five of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 2.8e-05 in 251292 control chromosomes. The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. To our knowledge, no occurrence of c.7975C>G in individuals affected with Dilated Cardiomyopathy and no experimental evidence demonstrating its impact on protein function have been reported. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014. Based on the evidence outlined above, the variant was classified as uncertain significance.
GeneDx RCV001545864 SCV001765276 likely benign not provided 2019-03-12 criteria provided, single submitter clinical testing
Ambry Genetics RCV002411934 SCV002669270 likely benign Cardiovascular phenotype 2020-06-30 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.

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