穿膜肽TAT修饰的自噬诱导肽Beclin 1抗肿瘤的初步研究
Preliminary study on the anti-tumor effect of cell-penetrating peptide TAT decorated autophagy inducing peptide Beclin 1
作者:余倩雯;胡关莲;王蛘;高会乐;何勤;
Author:
收稿日期: 年卷(期)页码:2017,32(02):-163-166
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:TAT-Beclin 1;TAT;自噬诱导肽;穿膜肽;自噬流;4T1细胞;凋亡;乳腺癌
Key words:
基金项目:
中文摘要
目的研究自噬诱导肽Beclin 1及其经穿膜肽TAT修饰后所得TAT-Beclin 1对乳腺癌的体外自噬诱导作用及体内外疗效。方法采用透射电子显微镜、eGFP-LC3细胞转染技术和蛋白免疫印迹法综合对比评价Beclin 1和TAT-Beclin 1对4T1细胞自噬流的影响,通过体外细胞毒性和体内抑瘤实验评价其抗肿瘤疗效。结果 TAT-Beclin 1能显著提高Beclin 1在4T1细胞上的自噬诱导能力;TAT-Beclin 1在体内具有一定的抗4T1肿瘤能力。结论 TAT-Beclin 1较Beclin 1能更有效地诱导自噬并发挥治疗乳腺癌的效果。
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