ClinVar Miner

Submissions for variant NC_000007.13:g.(?_150642443)_(151385353_?)del

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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 RCV001380536 SCV001578623 pathogenic Long QT syndrome 2020-07-20 criteria provided, single submitter clinical testing A gross deletion of the genomic region encompassing the full coding sequence of the KCNH2 gene has been identified. The boundaries of this event are unknown as the deletion extends beyond the assayed region for this gene and therefore may encompass additional genes. This variant has not been reported in the literature in individuals with KCNH2-related conditions. Larger deletions of the 7q36.1,7q34 and 7q26.2 which encompass KCNH2, among other genes, have been reported in individuals affected with a range of symptoms including: seizures, long QT, prenatal growth retardation, intellectual disability and renal hyploplasia (PMID: 18348270, 16470702, 25606385, 19443486). Loss-of-function variants in KCNH2 are known to be pathogenic (PMID: 10973849, 19862833). For these reasons, this variant has been classified as Pathogenic.

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