ClinVar Miner

Submissions for variant NM_000251.3(MSH2):c.860dup (p.Gln288fs)

dbSNP: rs193922375
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000030255 SCV000052922 likely pathogenic Lynch syndrome 2011-08-18 criteria provided, single submitter curation Converted during submission to Likely pathogenic.
Ambry Genetics RCV000162420 SCV000212761 pathogenic Hereditary cancer-predisposing syndrome 2020-11-02 criteria provided, single submitter clinical testing The c.860dupG pathogenic mutation, located in coding exon 5 of the MSH2 gene, results from a duplication of G at nucleotide position 860, causing a translational frameshift with a predicted alternate stop codon (p.Q288Tfs*3). This alteration has been reported in multiple individuals with a personal and/or family history of cancers associated with Lynch syndrome (Guindalini RS et al. Gastroenterology. 2015 Nov;149:1446-53; Espenschied CR et al. J. Clin. Oncol. 2017 Aug;35(22):2568-2575). In addition to the clinical data presented in the literature, this alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation.
Invitae RCV001034633 SCV000284191 pathogenic Hereditary nonpolyposis colorectal neoplasms 2023-11-13 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Gln288Thrfs*3) in the MSH2 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in MSH2 are known to be pathogenic (PMID: 15849733, 24362816). This variant is not present in population databases (gnomAD no frequency). This premature translational stop signal has been observed in individual(s) with Lynch syndrome (PMID: 26248088). ClinVar contains an entry for this variant (Variation ID: 36579). For these reasons, this variant has been classified as Pathogenic.
Myriad Genetics, Inc. RCV003450652 SCV004188138 pathogenic Lynch syndrome 1 2023-07-28 criteria provided, single submitter clinical testing This variant is considered pathogenic. This variant creates a frameshift predicted to result in premature protein truncation.
Baylor Genetics RCV003450652 SCV004196921 pathogenic Lynch syndrome 1 2022-01-03 criteria provided, single submitter clinical testing

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