ClinVar Miner

Submissions for variant NM_000218.3(KCNQ1):c.605-1G>C

dbSNP: rs1564820372
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000695220 SCV000823705 likely pathogenic Long QT syndrome 2018-03-17 criteria provided, single submitter clinical testing This sequence change affects an acceptor splice site in intron 3 of the KCNQ1 gene. It is expected to disrupt RNA splicing and likely results in an absent or disrupted protein product. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with KCNQ1-related disease. Donor and acceptor splice site variants typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in KCNQ1 are known to be pathogenic (PMID: 9323054, 19862833). 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.
Juno Genomics, Hangzhou Juno Genomics, Inc RCV004796281 SCV005418165 likely pathogenic Atrial fibrillation, familial, 3; Long QT syndrome 1; Jervell and Lange-Nielsen syndrome 1; Short QT syndrome type 2 criteria provided, single submitter clinical testing PVS1+PM2_Supporting

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