Abstract
We investigated the effect of the herbal formulation ‘Chung-Dae-San’ (CDS) on anaphylactic reactions. CDS inhibited compound 48/80-induced anaphylactic shock 100% with the dose of 10 0 g/kg body weight (BW). When CDS was given as pretreatment at concentrations ranging from 10 −4 to 10 0 g/kg BW, the serum histamine levels induced by compound 48/80 were reduced in a dose-dependent manner. We also investigated the effect of CDS on mast cell-dependent passive cutaneous anaphylaxis (PCA) activated by anti-dinitrophenyl (DNP) IgE antibody. CDS potently inhibited PCA when administered orally, topically, intraperitoneally or intradermally. However, it did not show inhibitory activity when administered intravenously. CDS dose-dependently inhibited the histamine release from the rat peritoneal mast cells (RPMC) by compound 48/80 and anti-DNP IgE. Moreover, the level of cAMP in RPMC, when CDS was added, significantly increased about 4-fold at 4 min compared with that of basal cells. These results indicate that CDS may possess strong antianaphylactic activity and also suggest the differential activity follwing administration routes may be caused by difference in bioavailability.
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