ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.105398del (p.Thr35133fs)

dbSNP: rs794729369
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000184368 SCV000236993 uncertain significance not provided 2013-01-30 criteria provided, single submitter clinical testing c.100475delC: p.Thr33492LysfsX6 (T33492KfsX6) in exon 308 of the TTN gene (NM_001256850.1). The normal sequence with the base that is deleted in braces is: CTAA{C}AAAG. The c.100475delC variant in the TTN gene has not been reported to our knowledge as a disease-causing mutation or as a benign polymorphism to our knowledge. c.100475delC causes a shift in reading frame starting at codon Threonine 33492, changing it to a Lysine, and creating a premature stop codon at position 6 of the new reading frame, denoted p.Thr33492LysfsX6. This variant is expected to result in either an abnormal, truncated protein product or loss of protein from this allele through nonsense-mediated mRNA decay. c.100475delC, located in the M band region of titin, is not located in the A-band where the majority of truncating mutations associated with DCM have been reported (Herman D et al., 2012). With the clinical and molecular information available at this time, we cannot definitively determine if c.100475delC is a disease-causing mutation or a rare benign variant. The variant is found in DCM panel(s).

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