Construction of nano-drug delivery and antitumor system of stimuli-responsive polypeptides

被引:2
|
作者
Hu, Zhuang [1 ]
Zhang, Rui [1 ]
Xu, Shiying [2 ]
Wang, Jiwei [2 ,3 ]
Li, Xianjun [2 ,3 ]
Hu, Jianshe [1 ]
Reheman, Aikebaier [2 ,3 ]
机构
[1] Northeastern Univ, Coll Sci, Ctr Mol Sci & Engn, Shenyang 110819, Peoples R China
[2] Ningde Normal Univ, Med Coll, Fujian Key Lab Toxicant & Drug Toxicol, Ningde 352100, Fujian, Peoples R China
[3] Ningde Normal Univ, Fujian Prov Univ Engn Res Ctr Mindong She Med, Med Coll, Ningde 352100, Fujian, Peoples R China
关键词
Polypeptides; Stimuli-responsive; Antitumor; Nanoparticles; Doxorubicin; CHOLESTEROL;
D O I
10.1016/j.colsurfb.2023.113310
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
The size of the nanoparticles is moderate and the dispersion is well, which will not be recognized nonspecifically and clearance by the endothelial reticular system. In this study, stimuli-responsive polypeptides nano-delivery system has been constructed, which can realize the response to various stimuli in the tumor microenviron-ment. Tertiary amine groups are grafted to the side chain of polypeptides as the point of charge reversal and particle expansion. In addition, a new kind of liquid crystal monomer was prepared by substituting cholesterol-cysteamine, which can promote polymers to realize the transformation of spatial conformation by adjusting the ordered arrangement of macromolecules. The introduction of hydrophobic elements greatly enhanced the self-assembly performance of polypeptides, which could effectively improve the drug loading and encapsulation rate of nanoparticles. Nanoparticles could achieve targeted aggregation in tumor tissues, and there were no toxicity and side effects on normal bodies during treatment, with good safety in vivo.
引用
收藏
页数:11
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