ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.40796C>T (p.Thr13599Ile)

gnomAD frequency: 0.00011  dbSNP: rs370418677
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000184499 SCV000237145 uncertain significance not specified 2017-01-05 criteria provided, single submitter clinical testing Missense variants in the TTN gene are considered 'unclassified' if they are not previously reported in the literature and do not have >1% frequency in the population to be considered a polymorphism. Research indicates that truncating mutations in the TTN gene are expected to account for approximately 25% of familial and 18% of sporadic idiopathic DCM; however, truncating variants in the TTN gene have been reported in approximately 3% of reported control alleles. There has been little investigation into non-truncating variants. (Herman D et al. Truncations of titin causing dilated cardiomyopathy. N Eng J Med 366:619-628, 2012) The variant is found in DCM panel(s).
Ambry Genetics RCV000622210 SCV000736696 likely benign Cardiovascular phenotype 2020-09-23 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.
Invitae RCV000643131 SCV000764818 uncertain significance Dilated cardiomyopathy 1G; Autosomal recessive limb-girdle muscular dystrophy type 2J 2017-08-22 criteria provided, single submitter clinical testing
Revvity Omics, Revvity Omics RCV003137715 SCV003819846 uncertain significance not provided 2023-02-03 criteria provided, single submitter clinical testing

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