PMID: 58036Jun 1, 1976Paper

In vivo protection against syngeneic Gross virus-induced lymphoma in rats: comparison with in vitro studies of cell-mediated immunity

The Journal of Immunology : Official Journal of the American Association of Immunologists
M GlaserR B Herberman


Spleen cells at various times after inoculation of W/Fu rats with a syngeneic Gross virus-induced lymphoma, (C58NT)D, were tested for their in vivo activity in adoptive transfer experiments and for their in vitro reactivity in a 4-hr 51Cr release cytotoxicity assay and in a mixed lymphocyte-tumor cell interaction assay. In adoptive transfer, the best protection against tumor growth was observed with immune spleen cells taken at 30 days after tumor cell inoculation (the peak of reactivity in the mixed lymphocyte-tumor cell interaction assay) whereas cells taken at 10 days (the peak reactivity in the 51Cr release cytotoxicity assay) gave only partial protection. The protection detected in the adoptive transfer experiments was specific for (C58NT)D associated antigens, and this correlated well with the specificity observed in the in vitro cell-mediated immunity assays. T cells, but not complement receptor-bearing cells or macrophages, were essential for the protection against tumor growth in vivo, and also for the in vitro reactivity in the 51Cr release cytotoxicity and the mixed lymphocyte-tumor cell interaction assays.

Related Concepts

Gross Virus
Antigenic Specificity
Cellular Immune Response
Normal Serum Globulin Therapy
Lymphocyte Culture Test, Mixed
Rats, Inbred WF

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