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  • Title: Leu-3+ T cells produce gamma-interferon in patients with recurrent herpes labialis.
    Author: Cunningham AL, Merigan TC.
    Journal: J Immunol; 1984 Jan; 132(1):197-202. PubMed ID: 6418797.
    Abstract:
    Interferon-gamma (IFN-gamma) was spontaneously secreted by peripheral blood mononuclear cells cultured from patients soon after recurrent herpes labialis (RHL) or was induced from macrophage-T lymphocyte cultures in vitro with HSV antigen. Circulating Leu-3+/Leu-2- cells produced the spontaneous IFN almost exclusively. In the HSV antigen-stimulated culture system the same subset was the predominant producer of IFN-gamma. The IFN-gamma producing leu-3+ lymphocytes were plastic nonaderent but nylon wool adherent, and may be analagous to the murine Th 2 helper cell. In contrast to one lymphocyte subset being the major IFN-gamma producer in this viral disease, mitogen stimulation induced IFN-gamma from all (Leu-2+/2- and Leu-3+/3-) subsets, with panning as the separation technique. As mitogens circumvent the normal processing and presentation of antigen, the RHL system described above may provide a more accurate picture of the relative contributions of helper (Leu-3+) and cytotoxic/suppressor (Leu-2+) T cells to IFN-gamma production in herpes viral disease.
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