Immunity to a 3-Methylcholanthrene-Induced Fibrosarcoma in the C57BL/6 Mouse: In Vivo Analysis by the Adoptive Tumor Neutralization Test2

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Abstract
Analyses of the adoptive tumor neutralization test (modified Winn test) in C57BL/6 mice made immune to a 3-methylcholanthrene-induced fibrosarcoma showed that the reaction was mediated by a thymus-derived lymphocyte, it was tumor-specific, and the resistance of the immunized donor mouse to the challenge was strongly correlated with the protection of the recipient mouse. Proliferation of immune cells and close contact between tumor cells and immune T-cells were required. The hypothesis of a participation of the recipient in the reaction was considered because of the lack of adoptive protection of pangenlc nude mice.