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题目:: Association between the CYP1A1 T3801C polymorphism and risk of cancer: evidence from 268 case-control studies.
作者:: He(Xiao-Feng),Wei(Wu),Liu(Zhi-Zhong),Shen(Xu-Liang),Yang(Xian-Bin),Wang(Su-Lan),Xie(Dao-Lin)
状态:: 发布时间2014-02-11 , 更新时间 2014-02-11
期刊:: Gene
摘要:: T3801C is a common polymorphism in CYP1A1, showing differences in its biological functions. Case-control studies have been performed to elucidate the role of T3801C in cancer, although the results are conflicting and heterogeneous. Hence, we performed a meta-analysis to investigate the association between cancer susceptibility and T3801C (55,963 cases and 76,631 controls from 268 studies) polymorphism in different inheritance models. We used odds ratios with 95% confidence intervals to assess the strength of the association. Overall, significantly increased cancer risk was observed in any genetic model (dominant model: odds ratio [OR]=1.14, 95% confidence interval [CI]=1.09-1.19; recessive model: OR=1.23, 95% CI=1.12-1.34; CC vs. TT: OR=1.31, 95% CI=1.19-1.45; TC vs. TT: OR=1.12, 95% CI=1.07-1.18; additive model: OR=1.14, 95% CI=1.09-1.19) when all eligible studies were pooled into the meta-analysis. In further stratified and sensitivity analyses, the elevated risk remained for subgroups of cervical cancer, head and neck cancer, hepetocellular cancer, leukemia, lung cancer, prostate cancer and breast cancer. In addition, significantly decreased colorectal cancer risk was also observed. In summary, this meta-analysis suggests the participation of CYP1A1 T3801C is a genetic susceptibility for some cancer types. Moreover, our work also points out the importance of new studies for T3801C association in some cancer types, such as gallbladder cancer, Asians of acute myeloid leukemia, and thyroid cancer, where at least some of the covariates responsible for heterogeneity could be controlled, to obtain a more conclusive understanding about the function of the CYP1A1 T3801C polymorphism in cancer development.
语言:: eng
DOI:: 10.1016/j.gene.2013.10.025

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