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Prostate Cancer with Variants in CYP17 and UGT2B17 Genes: A Meta-Analysis

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Both CYP17 and UGT2B17 are suggested to be potential risk factors of prostate cancer (PCa). To date, many studies have evaluated the relationship between CYP17 T-34C and UGT2B17 Del polymorphisms and Prostate cancer with conflicting results. Here, we performed comprehensive meta-analyses of over 25 studies, including results from about 17,000 subjects on the association of CYP17 T-34C and UGT2B17 Del polymorphisms with Prostate cancer. Overall, no significant associations between CYP17 T-34C polymorphism and Prostate cancer risk were found for T versus C (P=0.63), TT versus CC (P=0.52), TT+TC versus CC (P=0.40) or TT versus TC+CC (P=0.98), though there was a marginally significant association with the UGT2B17 Del polymorphism under Del/Del versus Ins/Ins +Ins/Del (P=0.05). In an analysis of various subgroups, there were no substantially significant associations with the CYP17 T-34C polymorphism; while there was a significant association for the UGT2B17 Del/Del genotype in a subgroup of men-based controls (P<0.0001). The current meta-analysis results suggest that the CYP17 T-34C polymorphism may not be associated with Prostate cancer, while the UGT2B17 Del polymorphism may significantly contribute to prostate cancer susceptibility in men. These findings also support the idea that CYP17 has no significant effects on androgen levels, while UGT2B17 does.

Keywords: CYP17; DHEA; DHT; Data Extraction; HWE; Meta-analysis; Odds ratios (Ors; Prostate Cancer; STATA version; Statistical Analysis; UGT2B17; UGTs; confidence intervals (Cis; polymorphism; prostate cancer

Document Type: Research Article


Publication date: 2012-01-01

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.
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