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Pterostilbene induces cell apoptosis. OVCAR-8 and Caov-3 cells were treated with vehicle and PTE (25–300 μm) for 48 h. Apoptosis was determined by flow cytometry using annexin V and PI staining (A,B) or by Western blot for the expression of cleaved poly-ADP ribose polymerase (PARP) (C). Results are representative of 3 or more preparations. *, p < 0.05, **, p < 0.005, ****, p < 0.0001, versus control treated with vehicle.
