miRNA通过信号通路对中药抗癌作用及肿瘤细胞增殖凋亡的影响

被引:1
作者
陈奇
许建华
余倩云
李鳌
机构
[1] 上海中医药大学附属普陀医院肿瘤科
关键词
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
<正>微小RNA(microRNAs,miRNA)是真核生物中广泛存在的一种长约22个核苷酸的非编码RNA分子,其与靶基因mRNA通过碱基不完全的互补结合,使靶mRNA降解或翻译抑制而发挥负调控基因表达作用,从而广泛参与机体的病理生理过程。目前,人类基因组中已确认的miRNA己达2 578个(miRNA base release 20.0),估计至少有60%编码蛋白的基因上存在miRNA作用的靶点上[1]。研究提示,肿瘤组织中异常表达的miRNA,与肿瘤的发生、发展和耐药等有密切关系。近些年,从miRNA为切入点对肿瘤的研究引起了广泛
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