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  • Title: Generation of virus specific cytotoxic T cells in vitro. III. Spleen cells stimulated by viral antigens generate alloreactive cytotoxic T cells.
    Author: Koszinowski U, Greber D, Neuschaefer-Rube I.
    Journal: Immunobiology; 1979 Aug; 156(1-2):83-95. PubMed ID: 232074.
    Abstract:
    Cytotoxic T lymphocytes (CTL) from DBA/2 strain mice primed with Sendai virus (SV) in vivo were activated by secondary stimulation of spleen cells with viral antigens in vitro and analyzed for their target antigen specificity. These effector cells lysed syngeneic Sendai virus infected target cells, marginally a variety of non-infected targets and had a strong cytotoxic effect on H-2b targets. Studies on the antigenic requirements revealed that all SV preparations which generated specific CTL also induced the alloreactive populations. Similar results were found in the response to Newcastle disease virus (NDV) and some influenza A viruses; all these viruses were mitogenic for lymphocytes. Experiments on the cellular requirements indicated that virus specific and alloreactive cells can be separated by their requirements for help and for restimulation. By competition experiments both activities could be attributed to clearly separable T cell subpopulations. The induction mechanism of alloreactive T cells by viral antigens is discussed.
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