抗癌中药单体对肿瘤细胞自噬的调控

被引:33
作者
焦延娜
韩淑燕
机构
[1] 北京大学肿瘤医院暨北京市肿瘤防治研究所恶性肿瘤发病机制及转化研究教育部重点实验室
基金
北京市自然科学基金;
关键词
抗癌中药单体; 肿瘤细胞自噬; 自噬诱导; 自噬抑制;
D O I
暂无
中图分类号
R285 [中药药理学];
学科分类号
100806 [中药药理学];
摘要
自噬是细胞内能量代谢和自我更新的机制,参与细胞诸多生理病理过程,维持机体内稳态。近年来研究发现,自噬与肿瘤的发生发展密切相关,参与调控肿瘤的形成、增殖、转移以及能量代谢等诸多方面。自噬对肿瘤的调控是一个复杂的动态过程,自噬能抑制早期肿瘤的生成,促进晚期肿瘤的发展。目前自噬已成为肿瘤研究领域的新热点,越来越多的研究表明,中草药及其有效成分具有调控肿瘤细胞自噬水平的作用。相对应于自噬在肿瘤发生发展中的复杂角色,抗癌中药有效成分的作用亦具有多面性,或诱导肿瘤细胞发生自噬引起细胞死亡、抑制肿瘤转移;或抑制自噬,增强肿瘤对药物的敏感性;甚至可能在不同肿瘤类型中表现出截然相反的自噬性死亡或保护性自噬作用。目前调控肿瘤自噬水平的中药有效成分研究主要集中在具有抗肿瘤作用的皂苷、生物碱、多酚、黄酮和内酯类化合物,既可以通过诱导细胞自噬达到抗肿瘤的效果,也可以通过抑制细胞自噬发挥抑瘤作用。因此,本文对抗癌中药单体在调节肿瘤细胞自噬方面的研究进展做一综述,有助于研制以自噬为靶点的抗肿瘤药物,为抗肿瘤药物研发提供新方向。
引用
收藏
页码:206 / 214
页数:9
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