PMID: 6164925May 7, 1981Paper

Production of immune interferon by murine T-cell clones from long-term cultures

Nature
F MarcucciP H Krammer

Abstract

Production of leukocyte interferon (IFN-alpha) and fibroblast interferon (IFN-beta) can be induced by a variety of agents but immune interferon, IFN-gamma, is only obtained when lymphoid cells are stimulated by specific antigens, allo-antigens or T-cell mitogens. Moreover, in bulk cultures, only small quantities of IFN-gamma are produced. The type of cell producing IFN-gamma has not been unambiguously defined and so we set out to determine whether a pure T-cell population could produce it, exploiting the knowledge that T cells can be maintained indefinitely in tissue culture by the addition of T-cell growth factors. Although not all T cells can found long-term cultures of this kind, cultures of antigen-specific helper, suppressor and killer T cells have been obtained in this way. We now describe the production of substantial amounts of INF-gamma when some (but not all) murine T-cell clones derived from such cultures are stimulated by either concanavalin A (Con A) or phytohaemagglutinin (PHA).

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Oct 9, 1996·International Journal of Cancer. Journal International Du Cancer·A HekeleH Ponta
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