ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.105818C>A (p.Pro35273Gln)

dbSNP: rs1553484561
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Genetic Services Laboratory, University of Chicago RCV000503762 SCV000597632 uncertain significance not specified 2016-09-23 criteria provided, single submitter clinical testing
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine RCV000503762 SCV000712579 uncertain significance not specified 2016-10-25 criteria provided, single submitter clinical testing The p.Pro32705Gln variant in TTN has not been previously reported in individuals with cardiomyopathy or in large population studies. Computational prediction to ols and conservation analysis do not provide strong support for or against an im pact to the protein. In summary, the clinical significance of the p.Pro32705Gln variant is uncertain.
Invitae RCV001052844 SCV001217075 uncertain significance Dilated cardiomyopathy 1G; Autosomal recessive limb-girdle muscular dystrophy type 2J 2022-07-22 criteria provided, single submitter clinical testing This sequence change replaces proline, which is neutral and non-polar, with glutamine, which is neutral and polar, at codon 35273 of the TTN protein (p.Pro35273Gln). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with TTN-related conditions. ClinVar contains an entry for this variant (Variation ID: 437089). Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. This variant is located in the M band of TTN (PMID: 25589632). Variants in this region may be relevant for neuromuscular disorders, but have not been definitively shown to cause cardiomyopathy (PMID: 23975875). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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