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Vitamin D receptor Taq I polymorphism and the risk of prostate cancer: a meta-analysis.


ABSTRACT: Numerous previous studies reported the association of Vitamin D receptor gene Taq Ipolymorphism with prostate cancer risk, however these results were controversial. In order to provide a relatively comprehensive description of this relationship, we conducted this meta-analysis by searching PubMed, Embase, and China National Knowledge Infrastructure. Finally, 36 studies with 8,423 cases and 8,887 controls were included. Taq I polymorphism was found to marginally increase the prostate cancer risk in recessive genetic model (tt/Tt vs. TT: Odds Ratio (OR) = 0.89, 95% Confidence Interval (CI) = 0.80-1.00, p = 0.05) and allele genetic model (t vs. T allele: OR = 0.91, 95% CI = 0.84-0.99, p = 0.003) in the overall analysis. Subgroup analyses showed that significant increased risk was found in Asians in homozygote model (tt vs. TT: OR = 0.63, 95% CI = 0.41-0.95, p = 0.029) and allele genetic model (t vs. T: OR = 0.78, 95% CI = 0.67-0.90, p = 0.002), and in the subgroup of population-based controls in all the genetic models. These results suggest that Taq Ipolymorphism might be a risk factor of prostate cancer risk, especially in Asians. It could be considered as a promising target to predict the prostate cancer risk for clinical practice.

SUBMITTER: Kang S 

PROVIDER: S-EPMC5805542 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Vitamin D receptor <i>Taq</i> I polymorphism and the risk of prostate cancer: a meta-analysis.

Kang Shaosan S   Zhao Yansheng Y   Wang Lei L   Liu Jian J   Chen Xi X   Liu Xiaofeng X   Shi Zhijie Z   Gao Weixing W   Cao Fenghong F  

Oncotarget 20171222 6


Numerous previous studies reported the association of Vitamin D receptor gene <i>Taq I</i>polymorphism with prostate cancer risk, however these results were controversial. In order to provide a relatively comprehensive description of this relationship, we conducted this meta-analysis by searching PubMed, Embase, and China National Knowledge Infrastructure. Finally, 36 studies with 8,423 cases and 8,887 controls were included. <i>Taq I</i> polymorphism was found to marginally increase the prostat  ...[more]

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