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. 2017 Aug 22;51(4):1249–1260. doi: 10.3892/ijo.2017.4097

Figure 7.

Figure 7

Effect of melatonin and curcumin combination on tumor growth in a xenograft mouse model of human bladder cancer. An orthotopic mouse model of human T24 cells was used to evaluate the effect of melatonin and curcumin combination. The tumor images (A), tumor volume (B), tumor weight (C) and mouse body weights (D) were calculated. (E) H&E staining. (F) Immunohistochemical analysis of COX-2 protein expression in tumor samples. Neutral formalin-fixed tumor samples were prepared from animals and analyzed by immunohistochemical staining with rabbit anti-rabbit second antibody using the Vectastain Elite ABC kit, and examined under a microscope. Data were represented as the mean ± SD of three independent experiments. The level of significance is indicated by *P<0.05, **P<0.01.