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Cell-mediated immunity in mice against papain-solubilized histocompatibility and tumor-specific antigens by a
The cell-mediated immune status of B10.D2 (H-2d) mice immunized with spleen cells from a congenic strain, B10.A (H-2a), differing at the H-2 locus and of BALB/c mice immunized with a syngeneic simian virus 40 (SV40)-induced sarcoma (mKSA-TU5) was evaluated by an agarose microassay for migration inhibition factor. The inducing antigens in this experiment were papain-solubilized and partially purified chromatographic preparations of spleen cells from A/J mice (H-2a) and a papain-solubilized antigen extract prepared from a tissue culture-adapted cell line (TU-5), derived from the SV40-induced mKSA tumor. The assay used microliters of normal or immune peritoneal exudate cells (PEC) resuspended in a 2-mul droplet of agarose and cultured in the presence or absence of antigen. Specific migration inhibition of PEC from immunized mice was observed with concentrations of solubilized antigen preparations as low as 2.0 mug/ml (3.67 mug/chamber).
The cell-mediated immune status of B10.D2 (H-2d) mice immunized with spleen cells from a congenic strain, B10.A (H-2a), differing at the H-2 locus and of BALB/c mice immunized with a syngeneic simian virus 40 (SV40)-induced sarcoma (mKSA-TU5) was evaluated by an agarose microassay for migration inhibition factor. The inducing antigens in this experiment were papain-solubilized and partially purified chromatographic preparations of spleen cells from A/J mice (H-2a) and a papain-solubilized antigen extract prepared from a tissue culture-adapted cell line (TU-5), derived from the SV40-induced mKSA tumor. The assay used microliters of normal or immune peritoneal exudate cells (PEC) resuspended in a 2-mul droplet of agarose and cultured in the presence or absence of antigen. Specific migration inhibition of PEC from immunized mice was observed with concentrations of solubilized antigen preparations as low as 2.0 mug/ml (3.67 mug/chamber).
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