Fig. 4

Expression of TNF-α, iNOS and COX-2 genes in the vaginal tissues of mice. Data are presented as the means ± standard error of mean obtained from three independent experiments. a TNF-α, tumor necrosis factor-α. b iNOS, inducible nitric oxide synthase. c COX-2, cyclooxygenase 2. #P < 0.05 vs. normal control group; *P < 0.05 vs. GVI group