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Effect of programmed cell death 4 (PDCD4) expression on cisplatin‐induced apoptosis in ovarian cancer cells. (a) Representative images (magnification, ×400) of cells treated with cisplatin and stained with Hoechst dye. Cells showing nuclear fragmentation and condensation are considered to be undergoing apoptosis. (b) The apoptosis rate of cells treated with cisplatin as determined by TUNEL assay. Data shown are representative of three independent experiments. MOCK, empty vector.
