ClinVar Miner

Submissions for variant NM_000080.4(CHRNE):c.1297_1314dup (p.Ser433_Glu438dup)

dbSNP: rs1969834618
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001044724 SCV001208537 likely pathogenic Congenital myasthenic syndrome 4A 2019-12-30 criteria provided, single submitter clinical testing This variant, c.1297_1314dup, results in the insertion of 6 amino acid(s) to the CHRNE protein (p.Ser433_Glu438dup), but otherwise preserves the integrity of the reading frame. This variant is not present in population databases (ExAC no frequency). This variant has been observed in individual(s) with autosomal recessive congenital myasthenic syndrome (PMID: 9539130). It has also been observed to segregate with disease in related individuals. This variant is also known as 1254ins18 in the literature. This variant has been reported to affect CHRNE protein function (PMID: 9539130). 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.
Baylor Genetics RCV001044724 SCV004212563 likely pathogenic Congenital myasthenic syndrome 4A 2023-10-25 criteria provided, single submitter clinical testing

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