ClinVar Miner

Submissions for variant NM_000251.2(MSH2):c.1367C>T (p.Thr456Ile) (rs777963115)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000532242 SCV000625255 uncertain significance Hereditary nonpolyposis colon cancer 2017-08-09 criteria provided, single submitter clinical testing This sequence change replaces threonine with isoleucine at codon 456 of the MSH2 protein (p.Thr456Ile). The threonine residue is highly conserved and there is a moderate physicochemical difference between threonine and isoleucine. This variant is present in population databases (rs777963115, ExAC 0.002%). This variant has not been reported in the literature in individuals with MSH2-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.
Ambry Genetics RCV000562767 SCV000669852 uncertain significance Hereditary cancer-predisposing syndrome 2017-04-17 criteria provided, single submitter clinical testing Lines of evidence used in support of classification: Insufficient evidence
Color RCV000562767 SCV000684932 uncertain significance Hereditary cancer-predisposing syndrome 2018-06-09 criteria provided, single submitter clinical testing

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