A New Decade of ME Research: The 11th Invest in ME International ME Conference 2016
Mark Berry presents the first in a series of articles on the 11th Invest in ME International ME Conference in London ...
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Mushroom that may inhibit anaphylactic mast cell reactions

Discussion in 'Hypersensitivity and Intolerance' started by sillysocks84, Oct 14, 2015.

  1. sillysocks84

    sillysocks84 Senior Member

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    ABSTRACT

    "Agaricus blazei is a medicinal mushroom native to Brazil. It used to be a source of anti-tumor and immunmoactive compounds and considered a health food in many countries. However, its specific effect against mast cell-mediated anaphylactic reactions is still unknown. In the present study, we investigated the effect of Agaricus blazei water extract (ABWE) on mast cell-mediated anaphylaxis-like reactions. We examined whether ABWE could inhibit systemic anaphylaxis-like reaction, ear swelling response, passive cutaneous anaphylaxis, and mast cell activation. ABWE inhibited compound 48/80-induced systemic anaphylaxis-like reaction, ear swelling response, and passive cutaneous anaphylaxis-like reaction in mice. ABWE also inhibited anti-dinitrophenyl (DNP) IgE-mediated passive cutaneous anaphylaxis. ABWE dose-dependently inhibited compound 48/80-induced or anti-DNP IgE-mediated histamine release from rat peritoneal mast cells (RPMC). Moreover, pretreatment with ABWE reduced compound 48/80-induced calcium uptake into RPMC. When ABWE was added, the level of intracellular cAMP in RPMC showed a significant increase compared with that of control cells. In addition, ABWE significantly inhibited compound 48/80-induced cAMP reduction in RPMC. These results propose that ABWE may be beneficial in the treatment of mast cell-mediated anaphylactic reactions.

    Inhibitory Effects of Agaricus blazei on Mast Cell-Mediated Anaphylaxis-Like Reactions (PDF Download Available). Available from: http://www.researchgate.net/publica...Mast_Cell-Mediated_Anaphylaxis-Like_Reactions [accessed Oct 14, 2015]."
     
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