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저자정보
(CMRI, Department of Pharmacology, Kyungpook National University) (CMRI, Department of Pharmacology, Kyungpook National University) (CMRI, Department of Pharmacology, Kyungpook National University) (CMRI, Department of Pharmacology, Kyungpook National University) (CMRI, Department of Pharmacology, Kyungpook National University) (CMRI, Department of Pharmacology, Kyungpook National University) (CMRI, Department of Pharmacology, Kyungpook National University) (CMRI, Department of Pharmacology, Kyungpook National University) (CMRI, Department of Pharmacology, Kyungpook National University) (Department of Molecular Medicine, Kyungpook National University) (Department of Pediatrics, Kyungpook National University) (Department of Immunology, Keimyung University) (Department of Pediatrics, Keimyung University) (CMRI, Department of Pharmacology, Kyungpook National University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제31권 제10호
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    초록·키워드

    Mast cells participate in allergy and inflammation by secreting inflammatory mediators such as histamine and proinflammatory cytokines. Flavonoids are naturally occurring molecules with antioxidant, cytoprotective, and antiinflammatory actions. However, effect of flavonoids on the release of histamine and proinflammatory mediator, and their comparative mechanism of action in mast cells were not well defined. Here, we compared the effect of six flavonoids (astragalin, fisetin, kaempferol, myricetin, quercetin, and rutin) on the mast cell-mediated allergic inflammation. Fisetin, kaempferol, myricetin, quercetin, and rutin inhibited IgE or phorbol-12-myristate 13-acetate and calcium ionophore A23187 (PMACI)-mediated histamine release in RBL-2H3 cells. These five flavonoids also inhibited elevation of intracellular calcium. Gene expressions and secretion of proinflammatory cytokines such as tumor necrosis factor-$\alpha$ (TNF-$\alpha$), interleukin (IL)-$1{\beta}$, IL-6, and IL-8 were assessed in PMACI-stimulated human mast cells (HMC-1). Fisetin, quercetin, and rutin decreased gene expression and production of all the proinflammatory cytokines after PMACI stimulation. Myricetin attenuated TNF-$\alpha$ and IL-6 but not (IL)-$1{\beta}$ and IL-8. Fisetin, myricetin, and rutin suppressed activation of NF-${\kappa}B$ indicated by inhibition of nuclear translocation of NF-${\kappa}B$, NF-${\kappa}B$/DNA binding, and NF-${\kappa}B$-dependent gene reporter assay. The pharmacological actions of these flavonoids suggest their potential activity for treatment of allergic inflammatory diseases through the down-regulation of mast cell activation.

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