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Effect of Achillin (100 µM) on P-gp expression and localization by immunofluorescence microscopy in Hep3B/PTX resistant cells. The phase-contrast, P-gp (green), and Hoechst 33258 nuclear counter stain (blue). Images were acquired at 40X objective plus a 2X zoom in confocal microscope settings. Scale bars, 40 μm.
