ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.91306C>T (p.Arg30436Trp)

gnomAD frequency: 0.00002  dbSNP: rs773600127
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001043496 SCV001207246 uncertain significance Dilated cardiomyopathy 1G; Autosomal recessive limb-girdle muscular dystrophy type 2J 2023-12-10 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 30436 of the TTN protein (p.Arg30436Trp). This variant is present in population databases (rs773600127, gnomAD 0.006%). This missense change has been observed in individual(s) with congenital myopathy (PMID: 25214167). ClinVar contains an entry for this variant (Variation ID: 841300). 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 A band of TTN (PMID: 25589632). Variants in this region may be relevant for cardiac or neuromuscular disorders (PMID: 25589632, 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.
Fulgent Genetics, Fulgent Genetics RCV002489580 SCV002786361 uncertain significance Dilated cardiomyopathy 1G; Autosomal recessive limb-girdle muscular dystrophy type 2J; Tibial muscular dystrophy; Myopathy, myofibrillar, 9, with early respiratory failure; Early-onset myopathy with fatal cardiomyopathy; Hypertrophic cardiomyopathy 9 2021-12-09 criteria provided, single submitter clinical testing
CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario RCV003486957 SCV004240163 likely benign Cardiomyopathy 2023-01-31 criteria provided, single submitter clinical testing

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