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. 2018 Jan 11;2018:3853409. doi: 10.1155/2018/3853409

Figure 2.

Figure 2

Effect of PSD-A on cell apoptosis. (a, b) A549 cells were treated with PSD-A in a dose-dependent manner for 24 h. Cells were stained with annexin V-FITC/PI, and samples were analyzed by flow cytometry for the detection of apoptosis. Data are expressed as mean ± SEM (n = 3). Columns not sharing the same superscript letters differ significantly (P < 0.05). (c) Cells were incubated with indicated concentrations of PSD-A for 24 h. Extracts were prepared and subjected to Western blot for the expressions of apoptosis markers (cleaved caspase-9, caspase-3, and PARP).