Figure 5

Flow cytometry analysis of Gb3- and MDR1/PgP expression of P31 and H1299 cells and their cisplatin-resistant sub-lines incubated with 10 μmol l^–1 cyclosporin A or 2 μmol l^–1 PPMP for 72 h. Representative results are shown and the percentage mean (n=3) of stained cells is noted in each dot plot.