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Effect of piperlongumine (PPLGM) on the distribution of cell cycle phases in HCT116 cells. The HCT116 cells were exposed to 5 µM PPLGM for the indicated time intervals and analyzed by flow cytometry following staining with propidium iodide. Figures were selected as representative data from three independent experiments. 2N, diploid cells; 4N, tetraploid cells.
