• Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi · Aug 2016

    Meta Analysis

    [Association between cytotoxic T lymphocyte protein-4 polymorphisms and non-Hodgkin's lymphoma risk: a meta-analysis].

    • Biyu Yi, Yijin Pei, Chun Wang, and Yang Jiang.
    • Department of Physiology, Guangdong Medical College, Dongguan 523808, China.
    • Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi. 2016 Aug 1; 32 (8): 1099-104.

    AbstractObjective To investigate the potential association of cytotoxic T lymphocyte associated protein 4 (CTLA4) polymorphisms with non-Hodgkin's lymphoma (NHL) risk. Methods Two reviewers independently searched the PubMed, MEDLINE, China National Knowledge Infrastructure (CNKI), Chinese WanFang databases and Database of Chinese Scientific and Technical Periodicals (VIP) for relevant studies from January 1, 1990 to May 25, 2016. Odds ratios (OR) with 95% confidence intervals (CI) for CTLA4 polymorphism and HNL risk were used to evaluate the strength of association. Meta-analysis was performed using SATA (v12.0) software. Results A total of 6 case-control studies concerning the CTLA4 +49A/G, -318T/C, and CT60A/G polymorphisms were included in the meta-analysis. The polymorphisms of the three alleles were not associated with genetic susceptibility to NHL (PZ>0.05 or 95%CI contains 1). In the subgroup analysis of CTLA4 +49A/G gene polymorphism, we found that AA was a risk factor for mixed type lymphoma (AA vs GG: OR=4.181, 95%CI: 1.362-12.833; AA+AG vs GG: OR=3.217, 95%CI: 1.055-9.810; AA vs AG+GG: OR=2.827, 95%CI: 1.345-5.940), but was a protect factor for B cell lymphoma (AA vs GG: OR=0.465, 95%CI: 0.251-0.863; AA vs AG+GG: OR=0.534, 95%CI: 0.362-0.788); AA was a risk factor in Italians (AA vs GG: OR=4.181, 95%CI: 1.362-12.833; AA+AG vs GG: OR=3.217, 95%CI: 1.055-9.810; AA vs AG+GG: OR=2.827, 95%CI: 1.345-5.940), but was a protect factor in Chinese (AA vs GG: OR=0.643, 95%CI: 0.417-0.992; AA vs AG+GG, OR=0.601, 95%CI: 0.395-0.913). Conclusion This meta-analysis suggests that the polymorphisms of the three alleles are not associated with genetic susceptibility to NHL.

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