Association of C3435T (rs1045642) Polymorphism of the MDR1 Gene with the Increased Risk of Colorectal Cancer in Russian Females from Central Russia


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The objective of this study was to examine associations of single nucleotide polymorphisms, rs1045642 within the MDR1 gene and rs1799930 within the NAT2 gene, with the risk of colorectal cancer (CRC) in the population of Central Russia. DNA specimens were obtained from 178 patients with CRC (87 males and 91 females) and 327 age-matched healthy controls (179 males and 148 females). Genotyping was performed using real-time PCR. Association of the studied SNPs with the risk of CRC was evaluated using logistic regression analysis. It was demonstrated that MDR1 rs1045642 polymorphism was associated with the increased risk of CRC after correction for gender, age, and smoking (OR = 1.41, 95% CI = 1.09–1.83; P = 0.008). A gender-stratified analysis showed that MDR1 rs1045642 was associated with the increased risk of CRC only in females (OR = 1.62, 95% CI = 1.11–2.35; P = 0.01). In males, no association between MDR1 rs1045642 and CRC was found. Association between MDR1 rs1045642 and the increased risk of colorectal cancer in Russian females from Central Russia was revealed.

Sobre autores

A. Moskalev

Research Institute of Genetic and Molecular Epidemiology, Kursk State Medical University; Kursk Regional Clinical Oncology Dispensary

Email: olga.bushueva@inbox.ru
Rússia, Kursk, 305004; farmstead of Kislino, Kursk oblast, 305524

E. Barysheva

Department of Biology, Medical Genetics, and Ecology, Kursk State Medical University

Email: olga.bushueva@inbox.ru
Rússia, Kursk, 305004

V. Soldatov

Department of Biology, Medical Genetics, and Ecology, Kursk State Medical University; Department of Pharmacology and Clinical Pharmacology, Belgorod National Research University

Email: olga.bushueva@inbox.ru
Rússia, Kursk, 305004; Belgorod, 308015

O. Frolova

Department of Oncology, Kursk State Medical University

Email: olga.bushueva@inbox.ru
Rússia, Kursk, 305004

O. Bobyntseva

Research Institute of Genetic and Molecular Epidemiology, Kursk State Medical University; Department of Biology, Medical Genetics, and Ecology, Kursk State Medical University

Email: olga.bushueva@inbox.ru
Rússia, Kursk, 305004; Kursk, 305004

T. Samgina

Department of Surgical Diseases No. 2, Kursk State Medical University

Email: olga.bushueva@inbox.ru
Rússia, Kursk, 305004

M. Churnosov

Department of Biomedical Disciplines, Belgorod National Research University

Email: olga.bushueva@inbox.ru
Rússia, Belgorod, 308015

V. Ivanov

Department of Biology, Medical Genetics, and Ecology, Kursk State Medical University

Email: olga.bushueva@inbox.ru
Rússia, Kursk, 305004

A. Polonikov

Research Institute of Genetic and Molecular Epidemiology, Kursk State Medical University; Department of Biology, Medical Genetics, and Ecology, Kursk State Medical University

Email: olga.bushueva@inbox.ru
Rússia, Kursk, 305004; Kursk, 305004

O. Bushueva

Research Institute of Genetic and Molecular Epidemiology, Kursk State Medical University; Department of Biology, Medical Genetics, and Ecology, Kursk State Medical University

Autor responsável pela correspondência
Email: olga.bushueva@inbox.ru
Rússia, Kursk, 305004; Kursk, 305004

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