Gabriel Vasconcelos Pereira, Marie Boudaud, Mathis Wolter, Celeste Alexander, Alessandro De Sciscio, Erica T Grant, Bruno Caetano Trindade, Nicholas A Pudlo, Shaleni Singh, Austin Campbell, Mengrou Shan, Li Zhang, Qinnan Yang, Stéphanie Willieme, Kwi Kim, Trisha Denike-Duval, Jaime Fuentes, André Bleich, Thomas M Schmidt, Lucy Kennedy, Costas A Lyssiotis, Grace Y Chen, Kathryn A Eaton, Mahesh S Desai, Eric C Martens
Inflammatory bowel diseases (IBDs) are chronic conditions characterized by periods of spontaneous intestinal inflammation and are increasing in industrialized populations. Combined with host genetics, diet and gut bacteria are thought to contribute prominently to IBDs, but mechanisms are still emerging. In mice lacking the IBD-associated cytokine, interleukin-10, we show that a fiber-deprived gut microbiota promotes the deterioration of colonic mucus, leading to lethal colitis. Inflammation starts with the expansion of natural killer cells and altered immunoglobulin-A coating of some bacteria...
March 18, 2024: Cell Host & Microbe