ClinVar Miner

Submissions for variant NM_001330260.2(SCN8A):c.929-2A>G

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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 RCV003589734 SCV004366342 pathogenic Early infantile epileptic encephalopathy with suppression bursts 2024-08-30 criteria provided, single submitter clinical testing This sequence change affects an acceptor splice site in intron 7 of the SCN8A 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 SCN8A are known to be pathogenic (PMID: 19254928, 32651551). This variant is not present in population databases (gnomAD no frequency). Disruption of this splice site has been observed in individual(s) with SCN8A-related condition (internal data). In at least one individual the variant was observed to be de novo. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. For these reasons, this variant has been classified as Pathogenic.

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