实验前一晚,将细胞以每孔400或1000个的密度接种于96孔板中。加药时沿板的一个轴向设置药物浓度梯度,并在整个实验期间持续作用。在未处理孔中的细胞仍处于亚融合状态时(4–5天后)收获细胞。使用CyQuant或Sybr Green I荧光核酸染料对相对细胞增殖水平进行定量检测。针对人源细胞系的实验在含有0.1 μM PSC833的条件下进行,以抑制P-糖蛋白(P-gp)活性对结果的干扰。
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