- Volume 15 Issue 18
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Impact of Caspase-8 (CASP8) -652 6N Del and D302H Polymorphisms on Prostate Cancer in Different Ethnic Groups
- Zhang, Cheng-Dong (Medical Scientific Research Center, Guangxi Medical University) ;
- Li, Hong-Tao (Medical Scientific Research Center, Guangxi Medical University) ;
- Liu, Kun (Department of Gastroenterology, The Third Hospital of Nanchang City) ;
- Lin, Zhi-Di (Department of Urology, Affiliated Hospital of Youjiang Medical College for Nationalities) ;
- Peng, Qi-Liu (Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University) ;
- Qin, Xue (Department of Clinical Laboratory, First Affiliated Hospital of Guangxi Medical University) ;
- He, Min (Medical Scientific Research Center, Guangxi Medical University) ;
- Wu, Hua (Medical Scientific Research Center, Guangxi Medical University) ;
- Mo, Zeng-Nan (Department of Urology, First Affiliated Hospital of Guangxi Medical University) ;
- Yang, Xiao-Li (Medical Scientific Research Center, Guangxi Medical University)
- Published : 2014.10.11
Background: Despite evidence suggesting roles for caspase-8 (CASP8) -652 6N del and D302H polymorphisms in prostate cancer (PCa), the association of these polymorphisms with PCa risk remains inconclusive. Therefore, a meta-analysis was performed to more precisely estimate the association of CASP8 -652 6N del and D302H polymorphisms with PCa susceptibility. Materials and Methods: A comprehensive literature search was conducted to identify all case-control studies of CASP8 D302H and -652 6N del polymorphisms and PCa risk. Odds ratios (ORs) and 95% confidence intervals (CIs) were used to assess the strength of the association and the precision of the estimate, respectively. Results: Nine -625 6N del studies and 4 D302H studies were included. CASP8 -652 6N del and D302H polymorphisms were not significantly associated with PCa risk in the overall analyses. However, in the subgroup analysis stratified by ethnicity, -625 6N del was significantly associated with PCa risk in the East Asian and Indian populations under the recessive model. Furthermore, the subgroup analysis strongly suggested that D302H was associated with lower PCa risk in the Non-Indian population under the dominant model. Conclusions: In our meta-analysis, ethnic-specific differences were evident in the association of CASP8-625 6N del and D302H polymorphisms with PCa risk.
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