Chondroitin sulfate-hybridized zein nanoparticles for tumor-targeted delivery of docetaxel
- PMID: 33278965
- DOI: 10.1016/j.carbpol.2020.117187
Chondroitin sulfate-hybridized zein nanoparticles for tumor-targeted delivery of docetaxel
Abstract
Chondroitin sulfate-hybridized zein nanoparticles (zein/CS NPs) were developed for targeted delivery of docetaxel, which exhibited mean diameters of 157.8 ± 3.6 nm and docetaxel encapsulation efficiency of 64.2 ± 1.9 %. Docetaxel was released from the NPs in a sustained manner (∼72 h), following first-order kinetics. The zein/CS NPs showed improved colloidal stability, maintaining the initial size in serum for 12 h. The pre-treatment of CS reduced the uptake efficiency of the NPs by 23 % in PC-3 cells, suggesting the involvement of CD44-mediated uptake mechanism. The NPs showed 2.79-fold lower IC50 values than free docetaxel. Enhanced tumor accumulation of the NPs was confirmed in PC-3 xenograft mice by near-infrared fluorescence imaging (35.3-fold, versus free Cy5.5). The NPs exhibited improved pharmacokinetic properties (9.5-fold longer terminal half-life, versus free docetaxel) and anti-tumor efficacy comparable to Taxotere with negligible systemic toxicity, suggesting zein/CS NPs could be a promising nanoplatform for targeted cancer therapy.
Keywords: CD44 receptor; Chondroitin sulfate; Chondroitin sulfate (PubChem CID: 24766); Docetaxel; Docetaxel (PubChem CID: 148124); Nanoparticles; Tumor-targeting; Zein; Zein (PubChem SID: 135291755).
Copyright © 2020 Elsevier Ltd. All rights reserved.
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