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Title: Lack of association of IL-10 gene polymorphisms with prostate cancer: evidence from 11,581 subjects.
Author: Zou YF, Wang F, Feng XL, Tian YH, Tao JH, Pan FM, Huang F.
Journal: Eur J Cancer; 2011 May; 47(7):1072-9. PubMed ID: 21211963.
Abstract:
Published data on the association between interleukin-10 (IL-10) gene polymorphisms and prostate cancer (PCa) are inconclusive. To derive a more precise estimation of the association, we conducted a meta-analysis. Data were collected from the following electronic databases: PubMed, Elsevier Science Direct, Excerpta Medica Database and Chinese Biomedical Literature Database, with the last report up to September 2010. The odds ratio (OR) and its 95% confidence interval (95%CI) were used to assess the strength of association. A total of 13 separate studies including 5503 cases and 6078 controls based on the search criteria were involved in this meta-analysis. Meta-analysis was performed for three IL-10 gene polymorphisms (rs1800896, rs1800871, and rs1800872). We found no association between IL-10 gene rs1800896 polymorphism and PCa in overall population (G versus A: OR=1.00, 95%CI=0.91-1.10, P=0.99; AG+GG versus AA: OR=1.18, 95%CI=0.97-1.43, P=0.10; GG versus AA+AG: OR=1.04, 95%CI=0.86-1.26, P=0.67). In subgroup analysis, similar results were found in Caucasian (G versus A: OR=0.99, 95%CI=0.84-1.18, P=0.92; AG+GG versus AA: OR=1.32, 95%CI=0.90-1.94, P=0.16; GG versus AA+AG: OR=1.07, 95%CI=0.89-1.28, P=0.48), and Asian (G versus A: OR=0.97, 95%CI=0.78-1.20, P=0.78; AG+GG versus AA: OR=1.07, 95%CI=0.79-1.45, P=0.65; GG versus AA+AG: OR=1.24, 95%CI=0.38-4.07, P=0.73) populations. We did not detect an association between IL-10 gene rs1800871 polymorphism and PCa in overall population (T versus C: OR=0.96, 95%CI=0.85-1.08, P=0.51; CT+TT versus CC: OR=0.94, 95%CI=0.80-1.11, P=0.48; TT versus CC+CT: OR=0.94, 95%CI=0.81-1.10, P=0.44). Similar results were found in Asian population (T versus C: OR=0.85, 95%CI=0.71-1.09, P=0.09; CT+TT versus CC: OR=0.72, 95%CI=0.52-1.17, P=0.05; TT versus CC+CT: OR=0.89, 95%CI=0.68-1.17, P=0.39). We found no association between IL-10 gene rs1800872 polymorphism and PCa in overall population (A versus C: OR=1.03, 95%CI=0.96-1.11, P=0.41; CA+AA versus CC: OR=1.04, 95%CI=0.92-1.17, P=0.56; AA versus CC+CA: OR=1.02, 95%CI=0.85-1.22, P=0.87). Similar results were found in Caucasian population (A versus C: OR=1.06, 95%CI=0.98-1.16, P=0.16; CA+AA versus CC: OR=1.07, 95%CI=0.85-1.35, P=0.57; AA versus CC+CA: OR=1.23, 95%CI=0.92-1.64, P=0.17). This meta-analysis suggests that there is no association between IL-10 gene rs1800896, rs1800871 and rs1800872 polymorphisms and PCa.

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