DNA mismatch binding defects, DNA damage tolerance, and mutator phenotypes in human colorectal carcinoma cell lines.

Abstract excerpt

DNA mismatch binding in vitro, resistance to DNA methylation damage, and spontaneous mutation rates were examined in human colorectal adenocarcinoma cell lines. Of 11 cell lines, 3 (DLD1, HCT15, and LoVo) were defective in mismatch binding. All three lines had a mutator phenotype. These properties indicate that DLD1 and HCT15 may, like LoVo, carry mutations in the mismatch recognition protein hMSH2. Mismatch...

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