title: Immune tolerance and autoreactivity: do they point to a regulatory role of the immune system for normal cell function?
mesh_terms: D000818:Animals; D000941:Antigens; D001324:Autoantigens; D015551:Autoimmunity / Q000502:physiology*; D007108:Immune Tolerance / Q000502:physiology*
chemical_list: D000941:Antigens; D001324:Autoantigens