IL10 and inflammatory bowel disease: Cytokine measurements in cecal tissues revealed expected increases in IBD-associated markers IL-1β, IL-6, IL-17, IL-22, IL-23, TNF-α and IFN-γ in fiber-deprived Il10−/− mice that were either colonized with SM14 as adults (Extended Data Fig. 3K-P) or colonized at birth from maternal exposure (Extended Data Fig. 3Q-Y).