By Massimo Marzorati, PhD The intestinal microbiome affects intestinal health at multiple levels. Intestinal bacteria produce several metabolites, which positively influence the intestinal epithelial barrier function and wound healing1,2. Also, gut bacteria prevent the colonization of pathogenic … [Read more...] about Gut microbiome keeps intestinal cells healthy: cell assays to assess the mechanism of action of pre- and probiotics in the gastrointestinal tract