Multidrug-resistant cancer cells contain two populations of P-glycoprotein with differently stimulated P-gp ATPase activities: evidence from atomic force microscopy and biochemical analysis

多药耐药癌细胞含有两种P-糖蛋白，它们的P-gp ATPase活性受刺激程度不同：原子力显微镜和生化分析的证据