Synthesis and characterization of folic acid-modified carboxymethyl chitosan-ursolic acid targeted nano-drug carrier for the delivery of ursolic acid and 10-hydroxycamptothecin

被引：12
|
作者：
Jing, Fanchen [1 ]
Li, Guiliang [1 ]
Wang, Yingsa [1 ]
Zhu, Shangbin [1 ]
Liu, Rundong [1 ]
He, Jing [1 ]
Lei, Jiandu [1 ]
机构：
[1] Beijing Forestry Univ, Beijing Key Lab Lignocellulos Chem, Beijing 100083, Peoples R China
来源：
POLYMERS FOR ADVANCED TECHNOLOGIES | 2021年 / 32卷 / 01期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
10-hydroxycamptothecin; carboxymethyl chitosan; nano-drug carrier; self-assembly; target; tumor; ursolic acid; NANOPARTICLES; FOLATE; DERIVATIVES; MICELLES;
D O I：
10.1002/pat.5090
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Carboxymethyl chitosan (CMCS), as a water-soluble, biocompatible, and biodegradable polymer, is an excellent carrier for a sustained drug delivery system. In this study, a amphiphilic carboxymethyl chitosan-ursolic acid nano-drug carrier modified by folic acid (FPCU) were prepared, and then the nano-drug carrier wrapped another anticancer drug 10-hydroxycamptothecin were self-assembled into nanoparticles (FPCU/HCPT NPs). The FPCU/HCPT NPs had a suitable size, high drug loading efficiency of ursolic acid (6.4%) and 10-hydroxycamptothecin (14.1%). The drug release study in vitro indicated that the nanoparticles have obviously sustained effect and pH sensitive behaviors, the drug release amount was higher at pH 5.5 than at pH 7.4. in vitro and in vivo study showed that the nanoparticles displayed a high antitumor efficiency to tumor cells compared with free drug. The nano delivery system as a carrier for ursolic acid (UA) and 10-hydroxycamptothecin (HCPT) has good application prospects in cancer treatment.
引用
收藏
页码：343 / 354
页数：12
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