• Ming Xiong and Wanlei Sun.
• Department of Gastroenterology, The Second Affiliated Hospital of Nanchang University, Jiangxi, China.
• Medicine (Baltimore). 2024 Nov 1; 103 (44): e40401e40401.

AbstractInflammatory bowel disease (IBD) is a chronic intestinal inflammatory disease characterized by recurrent episodes and difficult-to-cure symptoms. Although the pathogenesis of IBD is closely related to host genetic susceptibility, intestinal microbiota, environmental factors, and immune responses, leading to mucosal damage and increased intestinal permeability. Intestinal mucosal injury in IBD patients causes pathogenic bacteria and pathogenic factors to invade the intestine, leading to disturb the structure and metabolic products of intestinal flora. Researchers have found that probiotics, as live microbial agents, can effectively inhibit the growth of pathogenic bacteria, regulate intestinal flora, optimize intestinal microecology, restore intestinal homeostasis, and promote intestinal mucosal repairing. During the oral delivery process, probiotics are susceptible to adverse physiological factors, leading to reduced bioavailability. Additionally, the oxidative stress microenvironment induced by intestinal mucosal damage makes it difficult for probiotics to colonize the intestinal tract of IBD patients, thereby affecting their probiotic effect. This research mainly introduces and reviews the advantages and disadvantages of probiotics and their protective strategies in the treatment of IBD, and prospects the future development trends of probiotics and their protective strategies. Probiotics can effectively inhibit the growth of harmful microorganisms, regulate the structure of the intestinal microbiota, and promote mucosal repairing, thereby reducing immune stress and alleviating intestinal inflammation, providing a new perspective for the treatment of IBD. The development of single-cell encapsulation technology not only effectively maintaining the biological activity of probiotics during oral delivery, but also endowing probiotics with additional biological functions naturally achieved through surface programming, which has multiple benefits for intestinal health.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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