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The exclusion of rhodamine 123 is decreased by capsaicin. (A,B) Cells were treated with different concentrations of capsaicin for 48 h, treated with 0.1 μM rhodamine 123 for 30 min, and analyzed by flow cytometry. (C) Cells were treated with different concentrations of capsaicin for 48 h, and Western blot assays were used to examine the levels of P-glycoprotein (p-gp). Data are representative of three independent experiments.
