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Figure 1: Apoptosis rate of MDA-MB-231 cells treated with different concentrations of ligustrazine. Ligustrazine increased the in vitro apoptosis rates of MDA-MB-231 cells in a dose-dependent manner. Dot plots represent the flow cytometric results for MDA-MB-231 cells incubated with ligustrazine at different concentrations. The abscissa shows the number of Annexin V-positive cells, and the ordinate, propidium iodide-positive cells

Figure 1: Apoptosis rate of MDA-MB-231 cells treated with different concentrations of ligustrazine. Ligustrazine increased the in vitro apoptosis rates of MDA-MB-231 cells in a dose-dependent manner. Dot plots represent the flow cytometric results for MDA-MB-231 cells incubated with ligustrazine at different concentrations. The abscissa shows the number of Annexin V-positive cells, and the ordinate, propidium iodide-positive cells