ClinVar Miner

Submissions for variant NM_001165963.4(SCN1A):c.1663-3_1663-2del

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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 RCV003754436 SCV004434110 likely pathogenic Early infantile epileptic encephalopathy with suppression bursts 2023-01-22 criteria provided, single submitter clinical testing In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. This variant has not been reported in the literature in individuals affected with SCN1A-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change affects a splice site in intron 10 of the SCN1A 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 SCN1A are known to be pathogenic (PMID: 17347258, 18930999).

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