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HXZQ-OL inhibited the intracellular Ca2+ concentration in IgE/Ag-mediated RBL-2H3 cells. IgE-sensitized RBL-2H3 cells were incubated with HXZQ-OL for 30 min, followed by DNP-BSA challenge for 10 min. The intracellular Ca2+ concentration was determined using flow cytometry with Fluo 3/AM probe. The data were expressed as the mean ± SD values of three independent experiments. *p < 0.05 and **p < 0.01.
