ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.58732+6C>T

gnomAD frequency: 0.00006  dbSNP: rs778350235
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
CeGaT Center for Human Genetics Tuebingen RCV000997442 SCV001152847 uncertain significance not provided 2017-01-01 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001175500 SCV001339099 uncertain significance not specified 2020-03-10 criteria provided, single submitter clinical testing Variant summary: TTN c.51028+6C>T alters a nucleotide located close to a canonical splice site and therefore could affect mRNA splicing, leading to a significantly altered protein sequence. 4/4 computational tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant allele was found at a frequency of 4.9e-05 in 243808 control chromosomes. This frequency is not significantly higher than expected for a pathogenic variant in TTN causing Cardiomyopathy (4.9e-05 vs 0.00063), allowing no conclusion about variant significance. To our knowledge, no occurrence of c.51028+6C>T in individuals affected with Cardiomyopathy and no experimental evidence demonstrating its impact on protein function have been reported. One clinical diagnostic laboratory has submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. One laboratory classified the variant as uncertain significance. Based on the evidence outlined above, the variant was classified as uncertain significance.
Fulgent Genetics, Fulgent Genetics RCV002497306 SCV002816731 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 2021-09-22 criteria provided, single submitter clinical testing

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