ClinVar Miner

Submissions for variant NM_207122.2(EXT2):c.1144C>T (p.Gln382Ter)

dbSNP: rs1954470670
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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 RCV001222254 SCV001394348 pathogenic Exostoses, multiple, type 2 2024-08-23 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Gln382*) in the EXT2 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in EXT2 are known to be pathogenic (PMID: 10679937, 19810120). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with EXT2-related conditions. Invitae Evidence Modeling of clinical and family history, age, sex, and reported ancestry of multiple individuals with this EXT2 variant has been performed. This variant is expected to be pathogenic with a positive predictive value of at least 99%. This is a validated machine learning model that incorporates the clinical features of 50,122 individuals referred to our laboratory for EXT2 testing. ClinVar contains an entry for this variant (Variation ID: 950526). For these reasons, this variant has been classified as Pathogenic.

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