Journal
JOURNAL OF ETHNOPHARMACOLOGY
Volume 100, Issue 3, Pages 276-283Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.jep.2005.02.044
Keywords
propolis; Freund's complete adjuvant induced arthritis; anti-inflammatory effects
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The anti-inflammatory effects of ethanol (EEP) and water (WSD) extracts in ICR mice and Wistar rats were analyzed. Both WSD and EEP exhibited significant anti-inflammatory effects in animal models with respect to thoracic capillary vessel leakage in mice, carrageenan-induced oedema, carrageenan-induced pleurisy, acute lung damage in rats. The mechanisms for the anti-inflammatory effects probably involve decreasing prostaglandin-E-2 (PGE(2)) and nitric oxide (NO) levels. In rats with Freund's complete adjuvant (FCA) induced arthritis, propolis extracts significantly inhibited the increase of interleukin-6 (IL-6) in inflamed tissues, but had no significant effect on levels of interleukin-2 (IL-2) and interferon-gamma (IFN-gamma). The results are consistent with the interpretation that EEP and WSD may exert these effects by inhibiting the activation and differentiation of mononuclear macrophages. (C) 2005 Elsevier Ireland Ltd. All rights reserved.
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