title: Association study of single nucleotide polymorphisms in XRCC1 gene with the risk of gastric cancer in Chinese population.
abstract: Gastric cancer is one of highly cancer-related deaths in the world. Previous evidence suggests that the X-ray repair cross-complementing group 1 gene (XRCC1) is one of the most important candidate genes for influencing gastric cancer risk. The objective of this study was to detect the potential association of genetic variants in XRCC1 gene with gastric cancer risk in Chinese Han population. In total, we enrolled 395 gastric cancer patients and 398 cancer-free controls in this study. The genotyping of c.910A>G and c.1804C>A genetic variants in XRCC1 gene were investigate by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and created restriction site-PCR (CRS-PCR) methods, respectively. We found the genotypes/alleles from these two genetic variants were statistically associated with the increased risk of gastric cancer (for c.910A>G, GG versus (vs.) AA: OR = 2.00, 95% CI 1.21-3.31; AG vs. AA: OR = 1.50, 95% CI 1.12-2.02; GG/AG vs. AA: OR = 1.59, 95% CI 1.20-2.10; GG vs.
  OR = 1.68, 95% CI 1.03-2.73; G vs. A: OR = 1.47, 95% CI 1.18-1.83; for c.1804C>A, AA vs. CC: OR = 2.68, 95% CI 1.46-4.94; AA vs.
  OR = 2.62, 95% CI 1.44-4.76; A vs. C: OR = 1.33, 95% CI 1.06-1.66). The allele-G of c.910A>G and allele-A of c.1804C>A genetic variants may contribute to gastric cancer susceptibility. These preliminary results indicate that these XRCC1 genetic variants are potentially related to gastric cancer susceptibility in Chinese Han population, and might be used as molecular markers.
authors: Department of Gastroenterology, The First Affiliated Hospital, Medical School of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, People's Republic of China. wenqiao_12@sina.com
authors: Wen
authors: W
authors: Qiao
authors: Tao
authors: T
authors: Wang
authors: Li
authors: L
authors: Zhang
authors: Qing
authors: Q
authors: Tang
authors: Dan
authors: D
authors: Wang
authors: Hongkun
authors: H
authors: Sun
mesh_terms: D000368:Aged; D044466:Asian People / Q000235:genetics; D014408:Biomarkers, Tumor / Q000235:genetics; D016022:Case-Control Studies; D002681:China / Q000453:epidemiology; D004268:DNA-Binding Proteins / Q000235:genetics*; D005260:Female; D056726:Genetic Association Studies; D020022:Genetic Predisposition to Disease; D006801:Humans; D008297:Male; D008875:Middle Aged; D012150:Polymorphism, Restriction Fragment Length; D020641:Polymorphism, Single Nucleotide; D012307:Risk Factors; D013274:Stomach Neoplasms / Q000453:epidemiology / Q000235:genetics*; D000076105:X-ray Repair Cross Complementing Protein 1
chemical_list: D014408:Biomarkers, Tumor; D004268:DNA-Binding Proteins; D000076105:X-ray Repair Cross Complementing Protein 1; C000619371:XRCC1 protein, human
keywords: Gastric cancer; Molecular markers; Risk factors.; Single nucleotide polymorphisms; XRCC1 gene
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