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Chromopeptide A impairs prostate cancer cell migration in a dose-dependent manner. (A, B) PC3 cells were planted in the upper transwell chamber and treated with indicated concentrations of chromopeptide A or FK228. Cells were allowed to migrate for 24 h; then, migrated cells were stained and observed under a microscope (×200) (A) and cell numbers were counted (B). Bars represent the mean±SD. *P<0.05, **P<0.01.
