Preparation of 5-fluorouracil-loaded chitosan nanoparticles and study of the sustained release in vitro and in vivo

被引：1

作者：

Li Sun ^{[1
]}

Yunna Chen ^{[1
,2
,3
]}

Yali Zhou ^{[1
,2
,3
]}

Dongdong Guo ^{[1
,2
,3
]}

Yufan Fan ^{[1
]}

Fangyan Guo ^{[1
]}

Yufeng Zheng ^{[1
]}

Weidong Chen ^{[1
,2
,3
]}

机构：

[1] The College of Pharmacy, Anhui University of Chinese Medicine

[2] Anhui Academy of Chinese Medicine

[3] Institute of Drug Metabolism, Anhui University of Chinese Medicine

来源：

Asian Journal of Pharmaceutical Sciences | 2017年 / 12卷 / 05期

关键词：

5-Fluorouracil; Nanoparticles; Chitosan; Pharmacokinetics;

D O I：

暂无

中图分类号：

R943 [制剂学];

学科分类号：

100602 ; 100702 ;

摘要：

The sustained-release properties of the biodegradable nano-drug delivery systems were used to improve the residence time of the chemotherapeutic agent in the body. These drug delivery systems were widely used to deliver chemotherapeutic drugs. The 5-fluorouracil loaded chitosan nanoparticles prepared in this paper have the above advantage. Here, we found that when the mass ratio of 5-fluorouracil and chitosan was 1:1, the maximum drug loading of nanoparticles was 20.13 ± 0.007%, the encapsulation efficiency was 44.28 ± 1.69%, the particle size was 283.9 ± 5.25 nm and the zeta potential was 45.3 ± 3.23 mV. The prepared nanoparticles had both burst-release and sustained-release phases in vitro release studies.In addition, the inhibitory effect of the prepared nanoparticles on gastric cancer SGC-7901 cells was similar to that of 5-fluorouracil injection, and the blank vector had no obvious inhibitory effect on SGC-7901 cells. In the pharmacokinetic study of rats in vivo, we found that AUC（0-t）, MRT（0-t） and t1/2 z of nanoparticles were significantly increased in vivo compared with 5-fluorouracil solution, indicating that the prepared nanoparticles can play a role in sustained-release.

引用

页码：418 / 423

页数：6

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