Figure 4. The distribution of genetic variants that were significantly related to the risk of gastric cancer based on the main function of genes. (A) Inflammatory related genes (COX-2 rs20417(C), IL-17A rs2275913, IL-17A rs8193036, TGFBR2 rs3773651, IL-10 rs1800896 and VDR rs731236). (B) B+Metabolic pathway related genes (MTHFR rs1801133, NAT2 rs1799930, NAT2 rs1799929, NAT2 phenotype, GSTM1 and GSTT1). (C) A+B+Signal pathway related gene (PLCE1 rs2274223, PLCE1 rs3765524, PSCA rs2294008, PSCA rs2976392, PRKAA1 rs13361707 and MUC1 rs4072037). (D) A+B+C+Base excision repair pathway related gene (XRCC1 rs1799782, XRCC1 rs25487, XRCC3 rs861539 and ERCC5 rs751402).