ClinVar Miner

Submissions for variant NM_000543.5(SMPD1):c.1589del (p.Gly530fs)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV002890334 SCV003242355 pathogenic Niemann-Pick disease, type B; Niemann-Pick disease, type A 2022-07-06 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals affected with SMPD1-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change creates a premature translational stop signal (p.Gly530Glufs*83) in the SMPD1 gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 102 amino acid(s) of the SMPD1 protein. This variant disrupts a region of the SMPD1 protein in which other variant(s) (p.Arg610del) have been determined to be pathogenic (PMID: 1885770, 8225311, 12694237, 19405096, 23252888, 24643943). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic.

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