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中文摘要：
目的：探讨中药苏木提取诱导人类慢性髓性白细胞病K562细胞的凋亡作用。方法：采用MTT法检测苏木提取物对K562细胞增殖抑作用。荧光显微镜观察细胞形态变化，库尔特全自动颗粒粒度分析药物引起K562细胞体积大小的分布变化，琼脂糖凝胶是电泳测定DNAladder及流式细胞术检测细胞周期变化，结果：25μg/ml苏木浸膏能明显诱导K562细胞凋亡，产生凋亡细胞所具有的典型形态学及生化学特征，同时对K562细胞的增殖抑制和诱导凋亡作用呈一定的浓度依赖性，结论：中药苏木提取物能诱导细胞凋亡，抑制癌细胞增殖呈一定的浓度依赖关系。
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