图片来源：Neurath MF. New targets for mucosal healing and therapy in inflammatory bowel diseases. Mucosal Immunol. 2014 Jan; 7(1): 6-19.
Inflammatory bowel disease (IBD) is a chronic non-specific inflammatory disease of the intestine chronic whose cause is not well understood, including ulcerative colitis (UC) and Crohn's disease (CD). IBD has become a common disease of digestive system in China, and the demand for treatment is huge and unmet.