The predicted truncation from a (ovarian) cancer-associated variant of the MSH2 initiation codon alters activity of the MSH2-MSH6 mismatch repair complex Ovarian Cancer and Us OVARIAN CANCER and US Ovarian Cancer and Us

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Saturday, August 13, 2011

The predicted truncation from a (ovarian) cancer-associated variant of the MSH2 initiation codon alters activity of the MSH2-MSH6 mismatch repair complex



Abstract

Lynch syndrome (LS) is caused by germline mutations in DNA mismatch repair (MMR) genes. MMR recognizes and repairs DNA mismatches and small insertion/deletion loops. Carriers of MMR gene variants have a high risk of developing colorectal, endometrial, ovarian, and other extracolonic carcinomas. We report on an ovarian cancer patient who carries a germline MSH2 c.1A>C variant which alters the translation initiation codon. Mutations affecting the MSH2 start codon have been described previously for LS-related malignancies. However, the patients often lack a clear family history indicative of LS and their tumors often fail to display microsatellite instability, a hallmark feature of LS...."(technical)

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