ClinVar Miner

Submissions for variant NM_000249.3(MLH1):c.454-?_1409+?dup

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000075727 SCV000266783 pathogenic Lynch syndrome 2016-12-21 criteria provided, single submitter clinical testing This sequence change is a gross duplication of the genomic region encompassing exons 6-12 of the MLH1 gene. While the exact position of the duplicated exons cannot be determined from this data, the most likely explanation is that it occurs in tandem and results in an absent or disrupted protein product. Loss-of-function variants in MLH1 are known to be pathogenic. Gross duplications of exons 6-12 have been reported in the literature in individuals affected with hereditary non-polyposis colon cancer (PMID: 16143124, 22658618). For these reasons, this variant has been classified as Pathogenic.

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