ClinVar Miner

Submissions for variant NM_001037.5(SCN1B):c.591-2A>G

dbSNP: rs2151749034
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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 RCV001950492 SCV002225992 uncertain significance Brugada syndrome 5 2021-09-07 criteria provided, single submitter clinical testing This sequence change affects an acceptor splice site in intron 4 of the SCN1B gene. The SCN1B gene has multiple clinically relevant transcripts. This variant occurs in alternate transcript NM_001037.4, and corresponds to NM_199037.3:c.*5535A>G in the primary transcript. 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), however the current clinical and genetic evidence is not sufficient to establish whether loss-of-function variants in SCN1B cause disease. This variant is not present in population databases (ExAC no frequency). Disruption of this splice site has been observed in individual(s) with clinical features of autosomal recessive SCN1B-related conditions (Invitae). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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