Single-Nucleotide Polymorphisms of DNA Repair Genes OGG1 and XRCC1: Association with Gallbladder Cancer in North Indian Population
2009
Background
DNA damage by endogenous or exogenous source of reactive oxygen species (ROS) plays an important role in induction and progression of various cancers. Physiologically, gallbladder is likely to be exposed to various ROS which leads to extensive DNA damage. Cells overcome the DNA damage by repair mechanisms. Genetic variants of OGG1 and XRCC1, important enzymes participating in base excision repair pathway, may confer interindividual variations in susceptibility to gallbladder cancer (GBC). This study was aimed to examine the role of OGG1 Ser326Cys (rs1052133) and XRCC1 Arg194Trp (C > T) (rs25487) and Arg399Gln (G > A) (rs1799782) polymorphisms in GBC susceptibility.
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