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  • Title: Paeoniflorin inhibits mast cell-mediated allergic inflammation in allergic rhinitis.
    Author: Wang G, Cheng N.
    Journal: J Cell Biochem; 2018 Nov; 119(10):8636-8642. PubMed ID: 30076630.
    Abstract:
    Paeoniflorin (PF), one of the main effective ingredients from the root of Paeonia lactiflora Pall., was reported to possess antitumor, anti-inflammatory, and antiallergic properties. However, the roles of PF in activated human mast cell line, HMC-1 cells, have not yet been elucidated. Thus, the aim of this study was to examine the antiallergic and anti-inflammatory effects of PF on phorbol-12-myristate 13-acetate plus calcium ionophore (PMACI)-induced human mast cells and to identify the mechanism responsible for these effects. Our results demonstrated that pretreatment with PF effectively attenuated PMACI-induced production of tumor necrosis factor-α and interleukin 1β in HMC-1 cells. In addition, PF significantly suppressed PMACI-induced histamine release and caspase-1 activation in HMC-1 cells. Furthermore, PF prevented the activation of nuclear factor κB (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathways in activated HMC-1 cells. In conclusion, we showed for the first time that PF attenuated the mast cell-mediated allergic inflammatory response through suppressing the NF-κB and MAPK signaling pathways.
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