Figure 5. Colonic TNF-α level of rats with TNBS-induced colitis quantified by ELISA. Ond.= ondansetron (2 mg/kg); Dex.= dexamethasone (1 mg/kg); mCPBG= metachlorophenylbiguanide (5 mg/kg); TNBS= 2,4,6-trinitrobenzenesulfonic acid (50 mg/kg); TNF-α= tumor necrosis factor-alpha. Values are presented as mean ± SEM, n=6. ^*P<0.05 vs. TNBS-control.