Contact: Jim Dryden
Washington University School of Medicine
Caption: Every time we eat, cells in the intestine have to make sure that the organ doesn't mount an immune response against the food. Immune cells in the intestine are standing guard to turn away harmful bacteria, but they want to leave vitamins and nutrients alone. Now scientists at Washington University School of Medicine in St. Louis say they've identified special cells that chaperon food antigens in the intestine to keep the immune system from mounting an inappropriate attack. Jim Dryden has more.
Credit: Washington University BioMed Radio
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