ClinVar Miner

Submissions for variant NM_003850.3(SUCLA2):c.371+1G>C

dbSNP: rs985896883
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001892662 SCV002148933 pathogenic Mitochondrial DNA depletion syndrome, encephalomyopathic form with methylmalonic aciduria 2020-10-24 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site, but this prediction has not been confirmed by published transcriptional studies. This variant has been observed in individual(s) with clinical features of succinate-CoA ligase deficiency (Invitae). In at least one individual the data is consistent with the variant being in trans (on the opposite chromosome) from a pathogenic variant. This variant is not present in population databases (ExAC no frequency). This sequence change affects a donor splice site in intron 3 of the SUCLA2 gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in SUCLA2 are known to be pathogenic (PMID: 15877282, 17301081).

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