title: Protect the killer: CTLs need defenses against the tumor.
authors.forename: Gordon J
authors.initials: GJ
authors.lastname: Freeman
authors.forename: Arlene H
authors.initials: AH
authors.lastname: Sharpe
authors.forename: Vijay K
authors.initials: VK
authors.lastname: Kuchroo
mesh_terms: D000818:Animals; D015703:Antigens, CD; D000954:Antigens, Surface / Q000276:immunology / Q000378:metabolism; D017209:Apoptosis; D051017:Apoptosis Regulatory Proteins; D018122:B7-1 Antigen / Q000276:immunology / Q000378:metabolism*; D060890:B7-H1 Antigen; D001798:Blood Proteins; D006801:Humans; D008562:Membrane Glycoproteins; D051379:Mice; D018448:Models, Immunological; D009369:Neoplasms / Q000276:immunology*; D010455:Peptides; D061026:Programmed Cell Death 1 Receptor; D013602:T-Lymphocytes, Cytotoxic / Q000276:immunology / Q000378:metabolism / Q000502:physiology*; D019139:Tumor Escape
chemical_list: D015703:Antigens, CD; D000954:Antigens, Surface; D051017:Apoptosis Regulatory Proteins; D018122:B7-1 Antigen; D060890:B7-H1 Antigen; D001798:Blood Proteins; C423236:CD274 protein, human; C498919:Cd274 protein, mouse; D008562:Membrane Glycoproteins; C105992:PDCD1 protein, human; C491383:Pdcd1 protein, mouse; D010455:Peptides; D061026:Programmed Cell Death 1 Receptor