when the immune lymphocytes were pretreated with anti-theta serum they lost their ability to neutralize the tumorigenicity of the lymphosarcoma , failed to be stimulated by the t cell mitogens , phytohemagglutinin and concanavalin a , and failed to achieve cytolysis of the lymphosarcoma target cells in vitro .
C0024264
lymphocytes
C0024299
lymphosarcoma