Urothelial cell carcinoma is one of the costliest types of cancer because of its recurrence, lengthy course of therapy, and tendency to lead to further complications. Gene polymorphisms are one of many factors that are thought to cause the carcinogenesis of urothelial cell carcinoma. Two single-nucleotide polymorphisms (SNPs) of the transporter associated with antigen processing (TAP) 1 gene and their relationship with the risks of urothelial cell carcinoma in the Japanese population were examined in this study by using polymerase chain reaction (PCR), restriction fragment length polymorphism (RFLP) for genotyping and statistical analysis. The adjusted odd ratios with 95% confidence interval (CI) of the mutant types (A/G+G/G) in females for the I333V and D637G polymorphisms are 2.28 (1.11-4.66) and 2.50 (1.21-5.17), respectively. The findings showed that females with the (A/G+G/G) genotype are more likely to develop urothelial cell carcinoma than those with the A/A genotype. Any correlation between smoking and gene polymorphism was absent. Results indicate that TAP1 gene polymorphisms and the risk of urothelial cell carcinoma are related in females.
Keywords: cancer risk; carcinogenesis; case-control; tap1 gene; urology.
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