ClinVar Miner

Submissions for variant NM_000251.3(MSH2):c.1299G>A (p.Leu433=)

dbSNP: rs1573519281
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000981571 SCV001129545 likely benign Hereditary nonpolyposis colorectal neoplasms 2022-10-24 criteria provided, single submitter clinical testing
Ambry Genetics RCV002382213 SCV002692432 likely benign Hereditary cancer-predisposing syndrome 2022-03-08 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
Department of Pathology and Laboratory Medicine, Sinai Health System RCV001357325 SCV001552767 uncertain significance Malignant tumor of breast no assertion criteria provided clinical testing The MSH2 p.Leu433= variant was not identified in the literature nor was it identified in dbSNP, ClinVar, UMD-LSDB, Exome Aggregation Consortium (August 8th 2016) or the Genome Aggregation Database (Feb 27, 2017). The p.Leu433= variant is not expected to have clinical significance because it does not result in a change of amino acid and is not located in a known consensus splice site. The variant occurs at a non-highly conserved nucleotide outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer) do not predict a difference in splicing. In summary, based on the above information, the clinical significance of this variant cannot be determined with certainty at this time although we would lean towards a more benign role for this variant. This variant is classified as likely benign.

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