Tumor Biology

, Volume 37, Issue 5, pp 5905–5910 | Cite as

The relationship between five non-synonymous polymorphisms within three XRCC genes and gastric cancer risk in a Han Chinese population

  • Huansong Gong
  • He Li
  • Jing Zou
  • Jia Mi
  • Fang Liu
  • Dan Wang
  • Dong Yan
  • Bin Wang
  • Shuping Zhang
  • Geng Tian
Research Article


We aimed to assess the association of five non-synonymous polymorphisms within three X-ray repair cross-complementing group (XRCC) genes with gastric cancer risk in Han Chinese. Genotyping was determined in 693 gastric cancer patients and 681 healthy controls. Statistical analyses were completed with SPSS (version 20.0) and Haplo.stats (version 1.6.11). The genotypes of XRCC1 gene rs25487 polymorphism (P = 0.003) differed significantly between patients and controls, even after the Bonferroni correction (P < 0.05/5), and this polymorphism was significantly associated with gastric cancer after adjusting for age, sex, body mass index, smoking, drinking, especially under a dominant model (odds ratio or OR; 95 % confidence interval or CI; P 1.59; 1.20–2.00; 0.001). In multiple-marker analysis, the most common allele combination was C-G-G-G-C (alleles in order of rs1799782, rs25489, rs25487, rs3218536, rs861539), which was overrepresented in controls relative to patients (adjusted simulated P = 0.0001). Contrastingly, the frequency of allele combination C-G-A-G-C was significantly higher in patients than in controls (adjusted simulated P = 0.0009), and this combination was associated with a strikingly increased risk of gastric cancer (OR; 95 % CI; P 2.39; 1.32–4.31; 0.0040) after the Bonferroni correction (P < 0.05/11) and adjusting for confounders. Our findings demonstrated that XRCC1 gene rs25487 polymorphism might play a leading role in pronounced susceptibility to gastric cancer in Han Chinese.


Gastric cancer DNA repair system X-ray repair cross-complementing group Polymorphism Case-control association study 


Conflicts of interest


Supportive grants

This study was supported by Taishan Scholars Construction Engineering, National Natural Science Foundation of China (81400771 and 81171303), Shandong Provincial Natural Science Foundation (ZR2014HL028 and ZR2010HM091), A Project of Shandong Province Higher Educational Science and Technology Program (J14LE01), and Binzhou Medical University Scientific Research Funds (BY2013KYQD17 and BY2013KYQD18).


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Copyright information

© International Society of Oncology and BioMarkers (ISOBM) 2015

Authors and Affiliations

  1. 1.Gastric and Intestine DepartmentYantai Affiliated Hospital of Binzhou Medical UniversityYantaiChina
  2. 2.Department of RadiologyYantai Affiliated Hospital of Binzhou Medical UniversityYantaiChina
  3. 3.Medicine and Pharmacy Research CenterBinzhou Medical UniversityYantaiChina
  4. 4.Institute of Molecular ImagingBinzhou Medical UniversityYantaiChina
  5. 5.Institute of PharmacologyBinzhou Medical UniversityYantaiChina

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