Figure 3

Representative cytofluorimetric dot plots of one of the TUNEL experiments and characteristic morphologic images of apoptotic cells observed after drug exposure. A and E, untreated cells; B and F, after a 1-h exposure to Doc 0.01 μM followed by a 120-h w.o.; C and G, after a 120-h continuous exposure to Zol 100 μM; D and H, after exposure to the combination Doc + Zol → Zol.