title: Modulation of a complex immune system.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001402:B-Lymphocytes / Q000276:immunology; D002453:Cell Cycle; D003602:Cytotoxicity, Immunologic; D006801:Humans; D007111:Immunity, Cellular; D007165:Immunosuppression Therapy; D008213:Lymphocyte Activation; D011129:Polyradiculoneuropathy / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology