Abstract
To investigate the association between genetic polymorphisms of ERCC1-C8092A and susceptibility to liver cancer, as well as the gene-environmental interaction on the etiology of liver cancer in Fuzhou. A case-control study was conducted to collect the information on environmental exposure while genetic polymorphism of ERCC1 was analyzed by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. General relative risk regression models were further applied to fit the interaction between genetic polymorphisms of ERCC1-C8092A and the environmental factors of liver cancer. ERCC1-C8092A variant genotypes were associated with significant increasing risk of liver cancer adjusted odds ratio (OR = 3.789, 95%CI: 2.792 - 5.142), compared to the wild-type homozygote. Data from the analysis of interaction showed that genetic polymorphism of ERCC1-8092A appeared super-additive interaction with drinking pond-ditch or with hepatitis B, and super-multiplicative interaction with eating moldy food. The point mutation in ERCC1-8092A was possibly susceptible to liver cancer, and related synergistically with other risk factors in hepatocelluar carcinogenesis in Fuzhou.
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