CYP2W1, CYP4F11 and CYP8A1 Polymorphisms and Interaction of CYP2W1 Genotypes with Risk Factors in Mexican Women with Breast Cancer

Cardenas-Rodriguez, N.; Lara-Padilla, E.; Bandala, C.; Lopez-Cruz, J.; Uscanga-Carmona, C.; Lucio-Monter, P.F.; Floriano-Sanchez, E.

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자료유형: 학술저널

저자정보: Cardenas-Rodriguez, N. (Section of Research and Graduate Studies, Instituto Politecnico Nacional) Lara-Padilla, E. (Section of Research and Graduate Studies, Instituto Politecnico Nacional) Bandala, C. (Section of Research and Graduate Studies, Instituto Politecnico Nacional) Lopez-Cruz, J. (Service of Pathology, Clinica de Especialidades de la Mujer) Uscanga-Carmona, C. (Service of Pathology, Clinica de Especialidades de la Mujer) Lucio-Monter, P.F. (Laboratory of Pharmacology, Escuela Militar de Graduados de Sanidad, SEDENA) Floriano-Sanchez, E. (Section of Research and Graduate Studies, Instituto Politecnico Nacional)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제13권 제3호

발행연도: 2012.1

수록면: 837 - 846 (10page)

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Breast cancer (BCa) is the leading type of cancer in Mexican women. Genetic factors, such as single nucleotide polymorphisms (SNP) of P450 system, have been reported in BCa. In this report, and for the first time in the literature, we analyzed the rs3735684 (7021 G>A), rs11553651 (15016 G>T) and rs56195291 (60020 C>G) polymorphisms in the CYP2W1, 4F11 and 8A1 genes in patients with BCa and in healthy Mexican women to identify a potential association between these polymorphisms and BCa risk. Patients and controls were used for polymorphism analysis using an allelic discrimination assay with TaqMan probes and confirmed by DNA sequencing. Links with clinic-pathological characteristics were also analyzed. Statistical analysis was performed using the standard ${\chi}^2$ or Fisher exact test statistic. No significant differences were observed in the distributions of CYP2W1 (OR 8.6, 95%CI 0.43-172.5 P>0.05; OR 2.0, 95%CI 0.76-5.4, P>0.05) and CYP4F11 (OR 0.3, 95%CI 0.01-8.4 P>0.05) genotypes between the patients and controls. Only the CYP8A1 CC genotype was detected in patients with BCa and the controls. All polymorphism frequencies were in Hardy-Weinberg Equilibrium (HWE) in the controls (P>0.05). We found a significant association between BCa risk and smoking, use of oral contraceptives or hormonal replacement therapy (HRT), obesity, hyperglycemia, chronic diseases, family history of cancer and menopausal status in the population studied (P<0.05). Tobacco, oral contraceptive or HRT, chronic diseases and obesity or overweight were strongly associated with almost eight, thirty-five, nine and five-fold increased risk for BCa. Tobaco, obesity and hyperglycemia significantly increased the risk of BCa in the patients carrying variant genotypes of CYP2W1 (P<0.05). These results indicate that the CYP2W1 rs3735684, CYP4F11 rs11553651 and CYP8A1 rs56195291 SNPs are not a key risk factor for BCa in Mexican women. This study did not detect an association between the CYP2W1, 4F11 and 8A1 genes polymorphisms and BCa risk in a Mexican population. However, some clinico-pathological risk factors interact with CYP2W1 genotypes and modifies susceptibility to BCa.

#P450 2W1/4F11/8A1 #polymorphisms #breast cancer #Mexican women #gene-environment interaction

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