Journal
CYTOKINE
Volume 49, Issue 3, Pages 245-250Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cyto.2009.09.002
Keywords
MDDC; Agaricus blazei Murill; Cytokine; Chemokine; Growth factor
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The edible mushroom Agaricus blazei Murill (AbM), which has been used in traditional medicine against a range of diseases and possess immunomodulating properties, probably due to its high content of beta-glucans. Others and we have demonstrated stimulatory effects of extracts of this mushroom on different immune cells. Dendritic cells are major directors of immune function. We wanted to examine the effect of AbM stimulation on signal substance release from monocyte-derived dendritic cells (MDDC). After 6 d incubation with IL-4 and GM-CSF, the cells were true MDDC. Then the cells were further incubated with up to 10% of the AbM-based extract, AndoSan (TM), LPS (0.5 mu g/ml) or PBS control. We found that the AbM extract promoted dose-dependent increased levels of IL-8, G-CSF, TNF alpha, IL-1 beta, IL-6 and MIP-1 beta, in that order. The synthesis of IL-2, IL-8 and IFN gamma were similar for the AbM extract and LPS. However, AndoSan (TM) induced a 10- to 2-fold higher production than did LPS of G-CSF, TNF alpha and IL-1 beta, respectively. AbM did not induce increased synthesis of Th2 or anti-inflammatory cytokines or the Th1 cytokine IL-12. We conclude that stimulation of MDDC with an AbM-based extract resulted in increased production of proinflammatory, chemotactic and some Th1-type cytokines in vitro. (C) 2009 Published by Elsevier Ltd.
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