Carcinogenesis Advance Access published online on June 23, 2005
Carcinogenesis, doi:10.1093/carcin/bgi164
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1 Division of Molecular Genetic Epidemiology, German Cancer Research Center, Heidelberg, Germany
* To whom correspondence should be addressed. Dysregulation of apoptosis plays a crucial role in carcinogenesis. Tumour necrosis factor-related apoptosis-inducing ligand TRAIL stimulates the extrinsic apoptotic pathway by binding to death receptor 4 (DR4). Thus, genetic alterations within the candidate tumour suppressor gene DR4 would be expected to provoke a deficient apoptotic signalling thereby facilitating the development of cancer. The DR4 variants Thr209Arg and Glu228Ala were genotyped in a series of 521 breast cancer cases and 1100 control subjects from Germany determining their impact on breast cancer risk. Neither Thr209Arg (626C>G) nor Glu228Ala (683A>C) alone were significantly associated with breast cancer risk (OR = 0.84, 95% CI = 0.65-1.08, P = 0.18 and OR = 0.89, 95% CI = 0.72-1.12, P = 0.30). Haplotype analysis, however, revealed a 3.5-fold risk for carriers of the 626C-683C haplotype (OR = 3.52, 95% CI = 1.45-8.52, P = 0.003).
Received April 25, 2005
Revised June 6, 2005
Accepted June 15, 2005
MOLECULAR EPIDEMIOLOGY AND CANCER PREVENTION
Association of death receptor 4 haplotype 626C-683C with an increased breast cancer risk
2 Division of Molecular Genetic Epidemiology, German Cancer Research Center, Heidelberg, Germany; Department of Biosciences at Novum, Karolinska Institute, Huddinge, Sweden
3 Department of Gynaecology and Obstetrics, Klinikum rechts der Isar at the Technical University, Munich, Germany
4 Institute of Human Genetics, University of Heidelberg, Heidelberg, Germany
5 Division of Molecular Gynaeco-Oncology, Department of Gynaecology and Obstetrics, Clinical Center University of Cologne, Germany
6 Department of Gynaecology and Obstetrics at the Ludwig-Maximilians-University, Munich, Germany
7 Institute of Transfusion Medicine and Immunology, Red Cross Blood Service of Baden-Württemberg-Hessia, University of Heidelberg, Faculty of Clinical Medicine, Mannheim, Germany
Bernd Frank, E-mail: b.frank{at}dkfz.de
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