ClinVar Miner

Submissions for variant NM_133379.5(TTN):c.16531G>T (p.Glu5511Ter)

dbSNP: rs794729307
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000184289 SCV000236914 uncertain significance not provided 2014-07-28 criteria provided, single submitter clinical testing p.Glu5511Stop (GAA>TAA): c.16531 G>T in exon 46 of the TTN gene (#NM_133379.3). A variant of unknown significance has been identified in the TTN gene. The E5511X variant has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. The E5511X variant was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. E5511X is located in an alternate transcript of the TTN gene (novex-3), which is expressed in both heart and skeletal muscle. E5511X is predicted to cause loss of normal protein function either by protein truncation or nonsense-mediated mRNA decay. However, truncating variants in the TTN gene have been reported in approximately 3% of reported control alleles (Herman D et al., 2012). Furthermore, E5511X is not 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).Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic mutation or a rare benign variant. The variant is found in DCM-CRDM panel(s).
CeGaT Center for Human Genetics Tuebingen RCV000184289 SCV001153112 uncertain significance not provided 2017-08-01 criteria provided, single submitter clinical testing
Fulgent Genetics, Fulgent Genetics RCV002485235 SCV002777586 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 2021-09-07 criteria provided, single submitter clinical testing

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