ClinVar Miner

Submissions for variant NM_000251.2(MSH2):c.367-?_645+?del

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
International Society for Gastrointestinal Hereditary Tumours (InSiGHT) RCV000076586 SCV000107612 pathogenic Lynch syndrome 2013-09-05 reviewed by expert panel research In-frame large deletion leading to protein conformational change and inactive protein
Invitae RCV000258040 SCV000218993 pathogenic Lynch syndrome 2016-11-23 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exon 3 of the MSH2 gene. This leads to an in-frame deletion, preserving the integrity of the reading frame. Deletions of exon 3 have been reported in families and individuals with Lynch syndrome (PMID: 9843200, 19459153, 21642682, 16541406, 22883484). In two families, deletion of exon 3 was reported to segregate with disease (PMID: 9843200). Deletion of exon 3 (p.Ala123_Gln215del) partially removes the connector domain (or DNA binding domain) of the MSH2 protein. The connector domain is required for mismatch repair (MMR) complex formation, which is necessary for adequate MSH2 mismatch repair protein function (PMID: 18822302, 18383312, 20080788, 26163658, 21454657). For these reasons, this variant has been classified as Pathogenic.
Department of Pathology and Laboratory Medicine, Sinai Health System RCV000076586 SCV000590991 pathogenic Lynch syndrome 2013-02-27 criteria provided, single submitter clinical testing

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