Irritable bowel syndrome often appears following gastrointestinal infection and is marked by diarrhea, dysbiosis, fever, and intestinal pain following eating. A recent study by Aguilera-Lizarraga et al. now demonstrates that a breakdown in intestinal immunotolerance sparks an inflammatory response to typically tolerated food antigens and causes visceral pain.
Keywords: enteric nervous system; gastrointestinal immune response; gut immunology; mast cells; neuroimmunology.
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