title: Immunology: An innate regulatory cell.
authors.forename: Marco
authors.initials: M
authors.lastname: Colonna
mesh_terms: D000818:Animals; D001419:Bacteria / Q000276:immunology*; D015496:CD4-Positive T-Lymphocytes / Q000276:immunology*; D006801:Humans; D007113:Immunity, Innate / Q000276:immunology*; D007422:Intestines / Q000276:immunology* / Q000382:microbiology*; D013559:Symbiosis