Preparation of sorafenib and doxorubicin loaded nanodroplets and its ultrasound-sensitive in vitro:experimental study
10.3760/cma.j.issn.1004-4477.2017.10.020
- VernacularTitle:载索拉非尼-阿霉素智能控释纳米液滴制备及其超声响应性的实验研究
- Author:
Yang TAN
1
;
Xiaoyan XIE
;
Wei WANG
;
Huanling GUO
;
Tongyi HUANG
;
Qiao ZHENG
;
Ming XU
;
Mingde LYU
Author Information
1. 中山大学附属第一医院超声科 中山大学超声诊断与介入超声研究所
- Keywords:
Contrast-enhanced ultrasound;
Nanodroplets;
Phase-transition
- From:
Chinese Journal of Ultrasonography
2017;26(10):906-910
- CountryChina
- Language:Chinese
-
Abstract:
Objective To prepare ultrasound(US)responsive nanodroplets(NDs)simultaneously loaded with anticancer drug Sorafenib(SF)and Doxorubicin(DOX),and to characterize its ultrasound responsibility in vitro and in vivo.Methods The SF/DOX NDs were prepared using the thin-film hydration method.The particle diameter,Zeta potential and drug-encapsulation efficiency were characterized.The acoustic droplets vaporization activity was monitored by in vitro ultrasound imaging and light microscope. The cavitation effect was monitored by in vitro ultrasound imaging and transmission electron microscopy. Results SF/DOX NDs were round in shape,the mean diameter and Zeta potential of SF/DOX NDs was (498 ± 67.34)nm,-(38.87 ± 3.78)mV,respectively.The entrapment efficiency of SF and DOX was (58.14±2.93)%,(51.23±4.11)%,respectively.SF/DOX NDs underwent a phase transition into bubbles and could be continuously imaged for more than 25 min in vitro,and afterward therapeutic ultrasound pulse induced inertial cavitation and substantially enhanced treatment.Conclusions US-responsible SF/DOX NDs are prepared using thin-film hydration mehtod,it can enhance ultrasonic echo in vitro and release anticancer drug by the aid of US exposure,which possesses greater researching and applicating value.
