Role of single nucleotide polymorphisms of DNA repair genes in susceptibility to pancreatic cancer in Chinese population.

We conducted a case-control study to investigate the role of ERCC1-ERCC5 gene polymorphisms in the risk of pancreatic cancer. This study included 195 patients who were newly diagnosed with histopathologically confirmed primary pancreatic cancer, and 254 controls were recruited from Sir Run Run Shaw Hospital, between January 2012 and December 2014. Genotyping of ERCC1 rs3212986 and rs11615, ERCC2 rs13181, ERCC3 rs4150441, ERCC4 rs6498486, and ERCC5 rs2094258 polymorphisms was carried out using polymerase chain reaction coupled with restriction fragment length polymorphism. Unconditional logistic regression analyses showed that the TT genotype of ERCC1 rs3212986 was associated with an increased risk of pancreatic cancer, and the OR (95%CI) was 2.26 (1.21-4.22). However, we did not find a significant association between ERCC1 rs11615, ERCC2 rs13181, ERCC3 rs4150441, ERCC4 rs6498486, and ERCC5 rs2094258 polymorphisms and risk of pancreatic cancer. In summary, we found that the presence of the ERCC1 rs3212986 polymorphism correlated with an increased risk of pancreatic cancer.

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