Vigna angularis inhibits mast cell-mediated allergic inflammation

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Vigna angularis inhibits mast cell-mediated allergic inflammation
H H Kim; S W Kim; D S Kim; Hyun-Mee Oh; Mun Chual Rho; S H Kim
Bibliographic Citation
International Journal of Molecular Medicine, vol. 32, no. 3, pp. 736-742
Publication Year
The aim of the present study was to elucidate whether extracts of Vigna angularis (EVA) inhibit allergic inflammatory reactions and to elucidate the possible mechanisms of action. For the assessment of allergic inflammatory response, histamine release and the expression of pro-inflammatory cytokines from human mast cells (HMC-1) were examined. To identify the underlying mechanisms of action, intracellular calcium and the activation of nuclear factor (NF)-ΚB and mitogen-activated protein kinases (MAPKs) were assayed. To confirm the effects of EVA in vivo, systemic and local allergic reaction mouse models were employed. EVA dose-dependently reduced phorbol 12-myristate 13-acetate and calcium ionophore A23187 (PMACI)-induced histamine release from mast cells. The inhibitory effects of EVA on the release of histamine from mast cells were mediated by the reduction of intracellular calcium levels. EVA decreased the PMACI-stimulated gene expression and secretion of pro-inflammatory cytokines, such as tumor necrosis factor (TNF)-α and interleukin (IL)-6. The inhibitory effects of EVA on pro-inflammatory cytokines were NF-ΚB- and MAPK-dependent. In addition, EVA inhibited compound 48/80-induced systemic anaphylaxis and immunoglobulin E (IgE)-mediated cutaneous anaphylaxis. Our findings provide evidence that EVA inhibits mast cell-derived allergic inflammation, and suggest the possible therapeutic application of EVA in allergic inflammatory disorders.
Allergic inflammationHistamineMast cellsPro-inflammatory cytokineVigna angularis
Spandidos Publ Ltd
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Jeonbuk Branch Institute > Functional Biomaterial Research Center > 1. Journal Articles
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