ClinVar Miner

Submissions for variant NM_000249.4(MLH1):c.859_860del (p.Asn287fs)

dbSNP: rs63750034
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
International Society for Gastrointestinal Hereditary Tumours (InSiGHT) RCV000075889 SCV000106905 pathogenic Lynch syndrome 2013-09-05 reviewed by expert panel research Coding sequence variation resulting in a stop codon
Invitae RCV003153354 SCV000543547 pathogenic Hereditary nonpolyposis colorectal neoplasms 2023-08-03 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. RNA analysis performed to evaluate the impact of this premature translational stop signal on mRNA splicing indicates it does not significantly alter splicing (Invitae). ClinVar contains an entry for this variant (Variation ID: 90396). This premature translational stop signal has been observed in individual(s) with colorectal cancer (PMID: 15855432, 21788563, 21868491). This variant is not present in population databases (gnomAD no frequency). This sequence change creates a premature translational stop signal (p.Asn287Hisfs*19) in the MLH1 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in MLH1 are known to be pathogenic (PMID: 15713769, 24362816).

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