We studied polymorphisms of three genes, UDP-glucuronosyltransferase1A7 (UGT1A7), Glutathione-S-transferaseM1 (GSTM1) and X-Ray Cross Complementing group 1 (XRCC1), involved in detoxification of xenobiotics or DNA-repair in a population of 133 liver-transplanted patients, including 56 patients with hepatocellular carcinoma (HCC) and 77 without HCC, and in 89 healthy controls originating from the south of France. Multiple logistic regression analysis showed that, among liver-transplanted patients, interactions between XRCC1-G/G or -G/A and GSTM1-nul polymorphisms were independently associated with hepatocellular carcinoma (p interaction=0.027) concurrently with increasing age (p<0.
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