Wen, T CD28 is not required for rejection of unmanipulated syngeneic and autologous tumors. [electronic resource] - European journal of immunology Aug 1997 - 1988-93 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0014-2980 Standard No.: 10.1002/eji.1830270824 doi Subjects--Topical Terms: AnimalsB7-1 Antigen--geneticsCD28 Antigens--geneticsFibrosarcoma--immunologyGraft Rejection--immunologyImmunizationLymphoma, T-Cell--immunologyMiceMice, Inbred C57BLMice, KnockoutMoloney murine sarcoma virusNeoplasm Transplantation--immunologyT-Lymphocytes, Cytotoxic--immunologyTransfectionTransplantation, AutologousTransplantation, IsogeneicTumor Necrosis Factor-alpha--metabolism