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AIM: To evaluate the effect of pyrrolidine dithio- carbamate (PDTC; an NF-κB inhibitor) administered at low (50 mg/kg) and high (100 mg/kg) doses in suppressing colitis in mice with dextran sodium sulfate (DSS)-induced colitis. METHODS: Mice were divided into a DSS-untreated group (normal group), DSS-treated control group, DSS+PDTC-treated groupⅠ(low-dose group), and DSS+PDTC-treated groupⅡ (high-dose group). In each group, the disease activity index score (DAI score), intestinal length, histological score, and the levels of activated NF-κB and inflammatory cytokines (IL-1β and TNF-α) in tissue were measured. RESULTS: The DSS+PDTC-treated groupⅡ exhibited suppression of shortening of intestinal length and reduction of DAI score. Activated NF-κB level and IL-1β and TNF-α levels were significantly lower in DSS+PDTC- treated groupⅡ. CONCLUSION: These findings suggest that PDTC is useful for the treatment of ulcerative colitis.
AIM: To evaluate the effect of pyrrolidine dithio-carbamate (PDTC; an NF-κB inhibitor) administered at low (50 mg / kg) and high (100 mg / kg) doses in suppressing colitis in mice with dextran sodium sulfate -induced colitis. METHODS: Mice were divided into a DSS-untreated group (normal group), DSS-treated control group, DSS + PDTC- treated group I (low- dose group), and DSS + PDTC- treated group II group). The disease activity index score (DAI score), intestinal length, histological score, and the levels of activated NF-κB and inflammatory cytokines (IL-1β and TNF- The DSS + PDTC-treated group II exhibits suppression of shortening of intestinal length and reduction of DAI score. Activated NF-κB level and IL-1β and TNF-α levels were significantly lower in DSS + PDTC-treated group II. CONCLUSION: These findings suggest that PDTC is useful for the treatment of ulcerative colitis.