M B Widmer

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Interleukin-1 alpha and -1 beta (IL-1 alpha and IL-1 beta) are cytokines that participate in the regulation of immune responses, inflammatory reactions, and hematopoiesis. A direct expression strategy was used to clone the receptor for IL-1 from mouse T cells. The product of the cloned complementary DNA binds both IL-1 alpha and IL-1 beta in a manner(More)
IL-4, a pleiotropic cytokine produced by T lymphocytes, plays an important role in immune responsiveness by regulating proliferation and differentiation of a variety of lymphoid and myeloid cells via binding to high affinity receptors. In this report we describe the isolation and functional expression of a human IL-4-R cDNA. When transfected into COS-7(More)
The growth and differentiation of cytolytic T lymphocytes (CTL) is regulated by soluble growth hormones, of which interleukin-2 (IL-2) is considered to be of prime importance. Here we report that the lymphokine B-cell stimulatory factor (BSF-1 or interleukin-4) also has profound effects on the generation of these functionally active T cells. In particular,(More)
The effects of purified recombinant interleukin 7 (IL-7) on the generation of cytolytic T lymphocytes (CTL) in mixed lymphocyte culture (MLC) and on the induction of lymphokine-activated killer (LAK) cells in autologous cultures of human peripheral blood mononuclear cells were investigated. IL-7 was found to induce the generation of both CTL and LAK cells(More)
In vitro studies have shown that cytokines are involved in the regulation of the immune response, but their role in vivo is less well defined. Specific cytokine antagonists enable the identification of particular cytokines involved in the response and offer a means for modifying it. Systemic administration of a soluble, extracellular portion of the receptor(More)
The effects of B cell stimulatory factor 1 (BSF-1) on the generation of human CTL and lymphokine-activated killer (LAK) cells in vitro were investigated. Both L-2 and BSF-1 were potent helper factors for the generation of antigen-specific CTL in MLC; detection of optimal BSF-1-induced CTL activity in this system occurred when BSF-1 was added to cultures(More)
Recognition of autologous major histocompatibility complex (MHC) antigens by T cells is an essential step in the induction of an immunologic reaction to either endogenous or exogenous antigens. We investigated the ability of murine glial cells of different ages to stimulate clones of allospecific T lymphocytes. We also investigated the effects of(More)
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