ClinVar Miner

Submissions for variant NM_000251.3(MSH2):c.321del (p.Gly108fs)

dbSNP: rs1573436948
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Quest Diagnostics Nichols Institute San Juan Capistrano RCV000985807 SCV001134361 pathogenic not provided 2019-06-11 criteria provided, single submitter clinical testing The variant results in a shift of the reading frame, and is therefore predicted to result in the loss of a functional protein. Found in at least one symptomatic patient, and not found in general population data.
Ambry Genetics RCV001019302 SCV001180638 pathogenic Hereditary cancer-predisposing syndrome 2019-01-29 criteria provided, single submitter clinical testing The c.321delT pathogenic mutation, located in coding exon 2 of the MSH2 gene, results from a deletion of one nucleotide at nucleotide position 321, causing a translational frameshift with a predicted alternate stop codon (p.G108Efs*66). This variant has been reported in a male with Muir-Torre syndrome, having been diagnosed with colorectal cancer at age 50 and two sebaceous carcinomas at age 60. His family history met Amsterdam criteria and a sebaceous carcinoma demonstrated loss of MSH2 and MSH6 proteins by immunohistochemistry (Everett JN et al. JAMA Dermatol. 2014 Dec;150:1315-21). 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.
Myriad Genetics, Inc. RCV003454993 SCV004186905 pathogenic Lynch syndrome 1 2023-07-26 criteria provided, single submitter clinical testing This variant is considered pathogenic. This variant creates a frameshift predicted to result in premature protein truncation.

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