Research Article
Glaucocalyxin A Attenuates Allergic Responses by Inhibiting Mast Cell Degranulation through p38MAPK/NrF2/HO-1 and HMGB1/TLR4/NF-κB Signaling Pathways
Figure 3
Effect of GLA on the secretion of proinflammatory cytokines and FcεRI-mediated signaling pathway in RBL-2H3 cells. RPMCs and RBL-2H3 cells were stimulated with anti-DNP IgE (50 ng/ml) for 6 h and challenged with DNP-HSA (100 ng/mL) with or without pretreatment with GLA (0.1, 1.0, and 5.0 μM). Cytokine levels in the supernatants of RPMCs (a) and RBL-2H3 cells (b) were measured by ELISA. (c) The protein levels of Syk, Lyn, Fyn, Gab2, and PLC-γ1 and their phosphorylation were determined by Western blot. All data represent the mean ± SEM (n = 3). Compared with the control group, . Compared with the IgE + Ag group, and .
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