ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.102105T>A (p.Asp34035Glu)

gnomAD frequency: 0.00003  dbSNP: rs370647845
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000473131 SCV000542519 uncertain significance Dilated cardiomyopathy 1G; Autosomal recessive limb-girdle muscular dystrophy type 2J 2017-06-07 criteria provided, single submitter clinical testing This sequence change replaces aspartic acid with glutamic acid at codon 34035 of the TTN protein (p.Asp34035Glu). There is a small physicochemical difference between aspartic acid and glutamic acid. This variant is present in population databases (rs370647845, ExAC 0.003%) but has not been reported in the literature in individuals with a TTN-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function are unavailable for the TTN gene. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may alter RNA splicing, but this prediction has not been confirmed by published transcriptional studies. In summary, this variant is a rare missense change with unknown impact on protein function. Missense variants in this region of the TTN gene are typically not causative for cardiac disease, but may be relevant for neuromuscular disorders. However, the available evidence is currently insufficient to determine this variant'€™s role in disease. Therefore, it has been classified as a Variant of Uncertain Significance
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV002307499 SCV002600676 uncertain significance not specified 2022-10-22 criteria provided, single submitter clinical testing
Fulgent Genetics, Fulgent Genetics RCV002506096 SCV002806747 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 2021-09-09 criteria provided, single submitter clinical testing

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