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Inflammatory bowel disease (IBD) is a group of chronic inflammatory disorders that includes Crohn's disease (CD) and ulcerative colitis (UC). Homeostasis of various regulatory factors involved with intestinal immunity is disrupted in IBD, including the intestinal epithelial barrier, macrophages, and cellular mediators such as cytokines and chemokines. No successful treatment is currently available for the management of IBD. Natural products and herbal medicines have exhibited efficacy for UC and CD in experimental models and clinical trials with the following activities: (1) maintenance of integrity of the intestinal epithelial barrier, (2) regulation of macrophage activation, (3) modulation of innate and adaptive immune response, and (4) inhibition of TNF-α activity. Here, we discuss the major factors involved in the pathogenesis of IBD and the current development of natural products and herbs for the treatment of IBD.
Guo et al. (Tue,) studied this question.