ClinVar Miner

Submissions for variant NM_000742.4(CHRNA2):c.1259del (p.Glu420fs)

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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 RCV003747567 SCV004559369 uncertain significance Autosomal dominant nocturnal frontal lobe epilepsy 2024-01-18 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Glu420Glyfs*70) in the CHRNA2 gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 110 amino acid(s) of the CHRNA2 protein. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with CHRNA2-related conditions. 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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