ClinVar Miner

Submissions for variant NM_000535.6(PMS2):c.2007-?_2174+?del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000239955 SCV000299110 likely pathogenic Lynch syndrome 2016-01-10 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exon 12 of the PMS2 gene. Although this leads to the in-frame deletion of amino acids 670-725, preserving the integrity of the reading frame, it removes the N-terminal portion of the MLH1 interaction domain (PMID: 10037723). This deletion has not been reported in the literature in individuals with a PMS2-related disease. However, donor and acceptor splice site variants encompassing exon 12 (c.2007-1G>A and c.2174+1G>A), which may result in exon 12 skipping, have been reported in suspected Lynch syndrome patients (PMID: 16619239, 18602922). In summary, this is a novel deletion that has not been seen in affected individuals, but is expected to disrupt protein function. In the absence of additional genetic or functional data, this variant has been classified as Likely Pathogenic.

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