Molecular Biology Reports

, Volume 36, Issue 2, pp 357–364 | Cite as

An investigation on the polymorphisms of two DNA repair genes and susceptibility to ESCC and GCA of high-incidence region in northern China

  • Na Wang
  • Xiu-juan Dong
  • Rong-miao Zhou
  • Wei Guo
  • Xiao-juan Zhang
  • Yan LiEmail author


Aim To investigate the possible association of three SNPs, XRCC2 C41657T, XRCC2 G4234C and XRCC3 A17893G with susceptibility to esophageal squamous cell carcinoma (ESCC) and gastric cardia adenocarcinoma (GCA) in a population of northern China. Methods XRCC2 C41657T, XRCC2 G4234C and XRCC3 A17893G SNP were genotyped by polymerase-chain reaction (PCR)–restriction fragment length polymorphism (RFLP) analysis in 583 cancer patients (329 ESCC and 254 GCA) and 614 healthy controls. Results The genotype distribution of the XRCC2 C41657T in ESCC and GCA patients were significantly different from that in healthy controls (P values = 0.04 and 0.04 respectively). And a significant difference was found in the allele distribution of GCA patients from that in controls (= 0.01). The XRCC2 C41657T polymorphism was associated with a modest enhancement in ESCC risk and GCA risk: OR for C/T genotype was 1.38 (1.01–1.89) in GCA risk and for T/T genotype was 2.24 (1.10–4.57) in ESCC risk. When stratified for age, smoking status and family history of UGIC, the C/T genotype showed a modest significant trend on the risk of GCA patients in the groups of age ≤50 years and non-smokers, the adjusted OR were 2.84 (1.21–6.66) and 1.62 (1.06–2.49). The T/T genotype significantly increased the susceptibility of GCA patients in negative family history of UGIC (3.04, 1.02–8.32) and to ESCC patients in the group of age >50 years (3.03, 1.31–6.98), Negative family of UGIC (3.03, 1.12–7.07) and smokers (2.64, 1.02–6.83). The genotype and allele distribution of XRCC2 G4234C and XRCC3 A17893G in ESCC and GCA patients were not significantly different from that in healthy controls (all P values were above 0.05). Conclusion In this study, we found that the C41657T polymorphism of XRCC2 genes might modify the risk of ESCC and GCA development.


XRCC2 XRCC3 Single nucleotide polymorphism Esophageal squamous cell carcinoma Gastric cardia adenocarcinoma Susceptibility 



We greatly acknowledge Mr. Zhifeng Chen in the Fourth Hospital of Hebei Medical University, China, for his assistance in recruiting study subjects. This work is supported by funds for the potentially distinguished scientific project construction program in Hebei universities.


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Copyright information

© Springer Science+Business Media B.V. 2007

Authors and Affiliations

  • Na Wang
    • 1
  • Xiu-juan Dong
    • 1
  • Rong-miao Zhou
    • 1
  • Wei Guo
    • 1
  • Xiao-juan Zhang
    • 1
  • Yan Li
    • 1
    Email author
  1. 1.Division of Molecular BiologyThe Fourth Hospital of Hebei Medical UniversityShijiazhuangChina

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