Abstract
The aim of our study was to evaluate the effect of two polymorphisms in the estrogen receptor alpha, PvuII and XbaI, on the development of prostate cancer within Slovak population, as well as their correlation with selected clinical characteristics. The study was performed using 311 prostate cancer patients and 256 healthy male controls. Both polymorphisms were significantly associated with higher risk of prostate cancer development. At the same time, the CC genotype of PvuII polymorphism (OR = 1.98; 95 % CI 0.94–4.21; p = 0.05) and the AG genotype of XbaI polymorphism (OR = 1.74; 95 % CI 1.0–3.02; p = 0.04) significantly contributed to the development of low-grade carcinoma, while the AG and GG genotypes of the XbaI polymorphism contributed mainly to the development of high-grade prostate cancer (OR = 1.83; 95 % CI 1.12–3.01; p = 0.01 and OR = 2.13; 95 % CI 1.06–4.19; p = 0.03, respectively). Similarly, the AG and GG genotypes of XbaI polymorphism showed significant association with prostate cancer in patients with serum PSA level ≥10 ng/ml. Both polymorphisms were found at the same time to be more frequent in patients diagnosed before the age of 60. We conclude on the basis of these results that PvuII and XbaI polymorphisms of estrogen receptor alpha might be associated with prostate cancer risk within Slovak population. Although this is a pilot study and, as such, more detailed investigations are needed to confirm the role of these polymorphisms in prostate cancer development and progression within said Slovak population, our results might still provide a valuable basis for further research with larger patient groups.
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Acknowledgments
The authors are grateful to Dr N. A. Yeboah for critical reading of the manuscript. This study was supported by Project “Competence Center for research and development in the field of diagnostics and therapy of oncological diseases,” ITMS: 26220220153, co-funded from EU sources and European Regional Development Fund and by Projects supported by Ministry of Health of the Slovak Republic 2007/45-UK-10 and 2007/57-UK-17.
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Jurečeková, J., Sivoňová, M.K., Evinová, A. et al. The association between estrogen receptor alpha polymorphisms and the risk of prostate cancer in Slovak population. Mol Cell Biochem 381, 201–207 (2013). https://doi.org/10.1007/s11010-013-1703-x
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DOI: https://doi.org/10.1007/s11010-013-1703-x