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Evodiamine induces A375-S2 cell death through two different pathways

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Author:
No author available
Journal Title:
ACTA PHARMACEUTICA SINICA
Issue:
9
DOI:
10.3321/j.issn:0513-4870.2003.09.003
Key Word:
吴茱萸碱;人黑色素瘤A375-S2;凋亡;抗肿瘤活性

Abstract: 目的研究吴茱萸碱诱导A375-S2细胞死亡机制.方法 MTT法测定吴茱萸碱对A375-S2的细胞毒作用.通过倒置光显微镜,荧光染色, DNA电泳观察细胞形态学变化.应用流式细胞分析技术研究药物对细胞周期的影响.结果吴茱萸碱明显抑制A375-S2生长,在24 h前可诱导A375-S2凋亡,亚二倍体峰出现,caspase蛋白酶被激活, 24 h后启动坏死途径,caspase蛋白酶抑制剂不能抑制细胞死亡.结论吴茱萸碱诱导A375-S2死亡时早期启动了caspase依赖性的非经典凋亡途径,后期则启动了坏死途径.

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