Publicação: Propolis: lymphocyte proliferation and IFN-gamma production
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2003-07-01
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Elsevier B.V.
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We evaluated propolis influence on polyclonal activation of lymphocytes by concanavalin A (Con A). The in vitro experiments showed that propolis decreases splenocyte proliferation both in the absence or presence of Con A. The supression in mitogen-induced splenocyte proliferation also occurred when mice were treated intraperitoneally with propolis for 3 days. An increased of IFN-gamma production in the culture supernatants of the same cells was, observed. A dual action of propolis on lymphocyte activation was proposed: it decreases splenocyte proliferation in the presence or absence of Con A and stimulates IFN-gamma production by spleen cells. These results are important to understand the immunomodulatory action of propolis on the host's specific and non-specific immunity. (C) 2003 Elsevier B.V. Ireland Ltd. All rights reserved.
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Journal of Ethnopharmacology. Clare: Elsevier Sci Ireland Ltd, v. 87, n. 1, p. 93-97, 2003.
