title: Natural killer cells: characteristics and regulation of activity.
mesh_terms: D000818:Animals; D000920:Antibody-Dependent Cell Cytotoxicity; D001666:Binding Sites, Antibody; D002462:Cell Membrane / Q000276:immunology; D003165:Complement System Proteins; D003602:Cytotoxicity, Immunologic; D006801:Humans; D007141:Immunoglobulin Fc Fragments; D007074:Immunoglobulin G; D007369:Interferon Inducers / Q000494:pharmacology; D007372:Interferons / Q000494:pharmacology; D007694:Killer Cells, Natural / Q000187:drug effects / Q000276:immunology*; D008214:Lymphocytes / Q000276:immunology; D008264:Macrophages / Q000276:immunology; D051379:Mice; D008815:Mice, Inbred Strains; D008954:Models, Biological; D009374:Neoplasms, Experimental / Q000276:immunology; D051381:Rats; D011947:Receptors, Antigen, B-Cell; D013154:Spleen / Q000166:cytology / Q000276:immunology
chemical_list: D007141:Immunoglobulin Fc Fragments; D007074:Immunoglobulin G; D007369:Interferon Inducers; D011947:Receptors, Antigen, B-Cell; D003165:Complement System Proteins; D007372:Interferons