Tumor Biology

, Volume 35, Issue 3, pp 2117–2121 | Cite as

Glutathione S-transferase M1 polymorphism and colorectal cancer risk in Chinese population

  • Zan Teng
  • Lei Wang
  • Jingdong Zhang
  • Shuang Cai
  • Yunpeng Liu
Research Article


Glutathione S-transferase M1 (GSTM1) polymorphism has been proven to be associated with risks of several cancers. However, previous studies on the association between GSTM1 polymorphism and colorectal cancer risk in Chinese population reported controversial results. We performed a meta-analysis of 13 studies which were identified through the literature search in PubMed and Wanfang databases. The strength of the association between GSTM1 polymorphism and colorectal cancer risk was measured by odds ratio (OR) with corresponding 95 % confidence interval (95 % CI). Overall, GSTM1 null mutation was significantly associated with a risk of colorectal cancer in Chinese population (OR = 1.37, 95 % CI 1.12 to 1.68, P = 0.002). Sensitivity analyses by omitting those studies in turns did not materially alter the overall pooled ORs. The cumulative meta-analyses further showed a trend of an obvious association between GSTM1 null mutation and risk of colorectal cancer in Chinese population as information accumulated by year. The findings from our meta-analysis suggest that GSTM1 null mutation is significantly associated with a risk of colorectal cancer in Chinese population.


Colorectal cancer GSTM1 Meta-analysis 


Conflicts of interest



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Copyright information

© International Society of Oncology and BioMarkers (ISOBM) 2013

Authors and Affiliations

  • Zan Teng
    • 1
  • Lei Wang
    • 2
  • Jingdong Zhang
    • 1
  • Shuang Cai
    • 3
  • Yunpeng Liu
    • 1
  1. 1.Department of Medical OncologyThe First Hospital of China Medical UniversityShenyangChina
  2. 2.Department of GeriatricsThe First Hospital of China Medical UniversityShenyangChina
  3. 3.Department of PharmacyThe First Hospital of China Medical UniversityShenyangChina

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