期刊
COLLOIDS AND SURFACES B-BIOINTERFACES
卷 161, 期 -, 页码 464-470出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfb.2017.11.013
关键词
PEO-PBO; PEG-PDLLA; Paclitaxel; Polymers; Nanoparticles; Drug delivery
资金
- Medicines and Health Project of Zhejiang Province [2016135843]
- Natural Science Foundation of Zhejiang Province [LY14H180005]
- Social development project of public welfare technology research in Zhejiang Province [2016C33147]
An amphiphilic block copolymer poly(ethylene oxide)-b-poly(butylene oxide) (PEO-PBO) was evaluated as a carrier for therapeutic delivery of paclitaxel (PTX). PEO-PBO and PTX form nanoparticles (NPs) by self-assembly upon hydration. The size of these NPs was about 92.71 nm and the zeta potential was -5.06 my, which met the requirements for passive tumor targeting through the enhanced permeability and retention effect. Compared with a commonly used block copolymer poly(ethylene glycol)-b-poly-D,L-(lactic acid) (PEG-PDLLA), PEO-PBO forms nanoparticles with superior pharmacokinetic, biodistribution, and tumor inhibitory properties. Meanwhile, results of hemolysis study and CIVIC determination showed that PEO-PBO had better biocompatibility and stability than PEG-PDLLA. These data suggest that PEO-PBO has potential for application in drug delivery and warrant further evaluation. (C) 2017 Elsevier B.V. All rights reserved.
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