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Association of Glutathione S-transferase gene polymorphism with bladder Cancer susceptibility.


ABSTRACT:

Background

We conducted a meta-analysis to evaluate the relationship between the glutathione S-transferase ?1 (GSTM1)- and glutathione S-transferase ?1 (GSTT1)- null genotypes and susceptibility to bladder cancer.

Methods

We identified association reports from the databases of PubMed, Embase, the Cochrane Library and the China Biological Medicine Database (CBM disc) on July 1, 2017 and synthesized eligible investigations. Results were expressed using odds ratios (ORs) for dichotomous data, and we also calculated 95% confidence intervals (CIs).

Results

In this meta-analysis, we found that the GSTM1-null genotype was associated with bladder cancer risk in the overall population, and individually in whites, Africans and Asians (overall population: OR?=?1.40, 95% CI: 1.31-1.48, P<0.00001; whites: OR?=?1.39, 95% CI: 1.26-1.54, P<0.00001; Africans: OR?=?1.54, 95% CI: 1.16-2.05, P?=?0.003; Asians: OR?=?1.45, 95% CI: 1.33-1.59, P<0.00001). The GSTT1-null genotype was associated with bladder cancer risk in the overall population, but not in whites, in Africans or Asians (overall population: OR?=?1.11, 95% CI: 1.01-1.22, P?=?0.03; whites: OR?=?1.16, 95% CI: 0.99-1.36, P?=?0.07; Africans: OR?=?1.07, 95% CI: 0.65-1.76, P?=?0.79; Asians: OR?=?1.05, 95% CI: 0.91-1.22, P?=?0.51). Interestingly, a dual-null GSTM1-GSTT1 genotype was associated with bladder cancer risk in the overall population and in Asians (overall population: OR?=?1.48, 95% CI: 1.15-1.92, P?=?0.002; Asians: OR?=?1.62, 95% CI: 1.15-2.28, P?=?0.006). In conclusion, the GSTM1-null, GSTT1-null and dual-null GSTM1-GSTT1 genotypes might be associated with the onset of bladder cancer, but additional genetic-epidemiological studies should be conducted to explore this association further.

SUBMITTER: Zhou T 

PROVIDER: S-EPMC6233535 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Association of Glutathione S-transferase gene polymorphism with bladder Cancer susceptibility.

Zhou Tianbiao T   Li Hong-Yan HY   Xie Wei-Ji WJ   Zhong Zhiqing Z   Zhong Hongzhen H   Lin Zhi-Jun ZJ  

BMC cancer 20181112 1


<h4>Background</h4>We conducted a meta-analysis to evaluate the relationship between the glutathione S-transferase μ1 (GSTM1)- and glutathione S-transferase θ1 (GSTT1)- null genotypes and susceptibility to bladder cancer.<h4>Methods</h4>We identified association reports from the databases of PubMed, Embase, the Cochrane Library and the China Biological Medicine Database (CBM disc) on July 1, 2017 and synthesized eligible investigations. Results were expressed using odds ratios (ORs) for dichotom  ...[more]

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