Studies of the mechanisms for the induction of in vivo tumor immunity. I. Induction of primary and secondary cell-mediated cytotoxic responses by adoptive transfer of lymphocytes. |
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Authors: | C C Ting |
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Institution: | Laboratory of Cell Biology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20014 U.S.A. |
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Abstract: | Cell-mediated immunity to FBL-3, a syngeneic Friend virus-induced leukemia in C57BL/6 mice, could be adoptively transferred. Characteristic primary and secondary cytotoxic responses could be induced by adoptive transfer of normal and presensitized lymphocytes, respectively. In vivo tumor immunity could also be produced by adoptive transfer of presensitized lymphocytes. Both the primary and secondary cell-mediated cytotoxic reactions were T-cell dependent. The specificity of these reactions was primarily directed against F (Friend) type-specific antigen and FMR (Friend, Moloney, Rauscher) common antigen. The cytotoxic responses produced by adoptive transfer experiments gave better correlation to in vivo tumor immunity than those generated by in vitro mixed lymphocyte tumor cell culture reactions. |
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