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[Relationship between genetic polymorphisms of metabolizing enzymes and prostate cancer]
Jian-Ping Gao1, Yue-Dong Huang, Guo-Zong Yang
1Clinical Laboratory, Zhangzhou Traditional Chinese Medicine Hospital, Zhangzhou, Fujian 363000, China.
Objectives:
To study the possible relationship between CYP1A1, NAT2 genetic polymorphisms and the susceptibility of prostate cancer.
Methods:
Forty-eight patients with prostate cancer and 112 healthy cases were selected as the control randomly. NAT2 and CYP1A1 gene polymorphisms were analysed with the methods of PCR-RFLP, ASA and real-time fluorescence Light-Cycler. The difference of frequency between the patients and the controls was compared.
Results:
Among prostate cancer patients and their matched controls, the frequencies of alleles and genotypes were significantly different with Ile-Val gene Polymorphisms (P < 0.05), in which the frequency of the allele G and GG genotypes were significantly higher than those in their matched controls with an odds ratio of 1.59 and 3.06(P < 0.05), respectively; No significant differences of the frequencies of the MspI alleles and genotypes were found between the patients with prostate cancer and the matched controls(P > 0.05). No significant differences of NAT2 slow acetylator genotype frequency were found between the controls and prostate cancer patients (P > 0.05).
Conclusions:
The CYP1A1 Ile-Val gene polymorphisms might be associated with the occurrence of prostate cancer, while MspI gene polymorphisms and NAT2 slow acetylator genotype might not be associated with the occurrence of prostate cancer.