School of Chinese Medicine
Inhibitory effect of the gallotannin corilagin on dextran sulfate sodium-induced murine ulcerative colitis
The therapeutic effect of corilagin (1) was evaluated in an acute colitis model induced by dextran sulfate sodium (DSS) in mice, and the mechanism of action was investigated in this study. Animals were challenged with 2% DSS drinking water for 5 consecutive days and then intraperitoneally treated with 1 (7.5, 15, and 30 mg/kg) daily for 7 days. It was found that 1 significantly decreased the disease activity index, inhibited the shortening of colon length, reduced colon tissue damage, and suppressed myeloperoxidase activity. Moreover, 1 greatly suppressed the secretion of TNF-α, IL-6, and IL-1β, inhibited the degradation of IκB α, and down-regulated expression of cleaved caspase-3 and cleaved caspase-9 in colon tissues of DSS-treated mice. These findings demonstrated that 1 exerts a protective effect on DSS-induced colitis, and its underlying mechanisms are associated with inhibition of the NF-κB pathway that mitigates colon inflammatory responses and apoptosis of intestinal epithelial cells. © 2013 The American Chemical Society and American Society of Pharmacognosy.
Source Publication Title
Journal of Natural Products
American Chemical Society
Link to Publisher's Edition
Xiao, Hai-Tao, Cheng-Yuan Lin, Derek H. H. Ho, Jiao Peng, Yan Chen, Siu-Wai Tsang, Michael Wong, Xiao-Jun Zhang, Man Zhang, and Zhao-Xiang Bian. "Inhibitory effect of the gallotannin corilagin on dextran sulfate sodium-induced murine ulcerative colitis." Journal of Natural Products 76.11 (2013): 2120-2125.