title: Suppressive immunoregulatory factors produced by tumors.
mesh_terms: D000818:Animals; D003602:Cytotoxicity, Immunologic; D006023:Glycoproteins / Q000096:biosynthesis* / Q000276:immunology; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II / Q000276:immunology; D006801:Humans; D007108:Immune Tolerance; D007136:Immunoglobulins / Q000276:immunology; D066298:In Vitro Techniques; D007376:Interleukin-2 / Q000276:immunology; D008213:Lymphocyte Activation; D008545:Melanoma / Q000276:immunology; D051379:Mice; D009363:Neoplasm Proteins; D009369:Neoplasms / Q000276:immunology*; D012509:Sarcoma / Q000276:immunology
chemical_list: D006023:Glycoproteins; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II; D007136:Immunoglobulins; D007376:Interleukin-2; D009363:Neoplasm Proteins; C038588:serum immunosuppressive factor, human