title: The ups and downs of T cell costimulation.
authors.affiliation: University of Minnesota Medical School, Department of Microbiology, Minneapolis 55455.
authors.forename: M K
authors.initials: MK
authors.lastname: Jenkins
mesh_terms: D000069594:Abatacept; D000818:Animals; D015703:Antigens, CD; D000943:Antigens, Differentiation / Q000276:immunology; D018122:B7-1 Antigen / Q000096:biosynthesis / Q000276:immunology; D018106:CD28 Antigens / Q000276:immunology; D060908:CTLA-4 Antigen; D007108:Immune Tolerance / Q000276:immunology; D018796:Immunoconjugates; D008213:Lymphocyte Activation / Q000276:immunology; D018448:Models, Immunological; D015398:Signal Transduction / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D015703:Antigens, CD; D000943:Antigens, Differentiation; D018122:B7-1 Antigen; D018106:CD28 Antigens; D060908:CTLA-4 Antigen; D018796:Immunoconjugates; D000069594:Abatacept