Answers are grounded in this paper and cite their sources.
Colonic epithelial cells express chemical receptors that detect the luminal contents, particularly bacterial metabolites, and may be involved in the host's energy metabolism via GLP-1 release, as well as the mucosal defense system.
No takes yet. Share an insight, caveat, or question.
Kaji et al. (2014) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: