CYP1A1 (IleVal), CYP1B1 (AlaSer and ValLeu), GSTM1 (null), and GSTT1 (null) Polymorphisms and Bladder Cancer Risk in a Turkish Population

Berber, Ufuk; Yilmaz, Ismail; Yilmaz, Omer; Haholu, Aptullah; Kucukodaci, Zafer; Ates, Ferhat; Demirel, Dilaver

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자료유형: 학술저널

저자정보: Berber, Ufuk (Pathology Department, Haydarpasa Training Hospital, Gulhane Military Medical Academy) Yilmaz, Ismail (Pathology Department, Haydarpasa Training Hospital, Gulhane Military Medical Academy) Yilmaz, Omer (Urology Department, Haydarpasa Training Hospital, Gulhane Military Medical Academy) Haholu, Aptullah (Pathology Department, Haydarpasa Training Hospital, Gulhane Military Medical Academy) Kucukodaci, Zafer (Pathology Department, Haydarpasa Training Hospital, Gulhane Military Medical Academy) Ates, Ferhat (Urology Department, Haydarpasa Training Hospital, Gulhane Military Medical Academy) Demirel, Dilaver (Pathology Department, Haydarpasa Training Hospital, Gulhane Military Medical Academy)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제14권 제6호

발행연도: 2013.1

수록면: 3,925 - 3,929 (5page)

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We aimed to investigate bladder cancer risk with reference to polymorphic variants of cytochrome p450 (CYP) 1A1, CYP1B1, glutathione S-transferase (GST) M1, and GSTT1 genes in a case control study. Polymorphisms were examined in 114 bladder cancer patients and 114 age and sex-matched cancer-free subjects. Genotypes were determined using allele specific PCR for CYP1A1 and CYP1B1 genes, and by multiplex PCR and melting curve analysis for GSTM1 and GSTT1 genes. Our results revealed a statistically significant increased bladder cancer risk for GSTT1 null genotype carriers with an odds ratio of 3.06 (95% confidence interval=1.39-6.74, p=0.006). Differences of CYP1A1, CYP1B1 and GSTM1 genotype frequencies were not statistically significant between patients and controls. However, the specific combination of GSTM1 null, GSTT1 null, and CYP1B1 codon 119 risk allele carriers and specific combination of GSTM1 present, GSTT1 null, and CYP1B1 432 risk allele carriers exhibited increased cancer risk in the combined analysis. We did not observe any association between different genotype groups and prognostic tumor characteristics of bladder cancer. Our results indicate that inherited absence of GSTT1 gene may be associated with bladder cancer susceptibility, and specific combinations of GSTM1, GSTT1 and CYP1B1 gene polymorphisms may modify bladder cancer risk in the Turkish population, without any association being observed for CYP1A1 gene polymorphism and bladder cancer risk.

#Bladder cancer #CYP1A1 #CYP1B1 #GSTM1 #GSTT1

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