Abstract
A case-control study was carried out in which the role of the Single Nucleotide Polymorphism rs2275913 in the pathogenesis of prostate cancer was analysed for the first time. This polymorphism is located in −197 position of IL-17A gene and implies a A>G change. The sample consists of 433 Galician men, 241 of whom are prostate cancer patients and 192 are healthy men with no tumours. Besides the influence of this marker, directly involved in the inflammatory process, other variables that were described as prostate cancer risk factors were also studied: age, smoking and Body Mass Index (BMI). By the analysis of Odds Ratio (OR) (CI 95%) a protective effect of heterozygous genotype AG was observed in comparison with homozygous genotypes AA and GG. As regards other risk factors, a significant increased risk was observed in smokers homozygous between 10 and 32 pack-years (p = 0.032). Age and BMI show interesting patterns, but not significant ones. This study shows a possible link between the rs2275913 and the onset of PCa which could be influenced by age, BMI and above all, smoking.
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