ClinVar Miner

Submissions for variant NM_001165963.4(SCN1A):c.264+3G>C

dbSNP: rs746440689
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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 RCV001064399 SCV001229299 likely pathogenic Early infantile epileptic encephalopathy with suppression bursts 2022-10-17 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. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant is not likely to affect RNA splicing. ClinVar contains an entry for this variant (Variation ID: 858513). This variant has been observed in individuals with clinical features of SCN1A-related conditions (Invitae). It has also been observed to segregate with disease in related individuals. This variant is not present in population databases (gnomAD no frequency). This sequence change falls in intron 1 of the SCN1A gene. It does not directly change the encoded amino acid sequence of the SCN1A protein. It affects a nucleotide within the consensus splice site.

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