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- W2100603034 abstract "Gelatinase-stimuli strategy enhances the tumor delivery and therapeutic efficacy of docetaxel-loaded poly(ethylene glycol)-poly(ε-caprolactone) nanoparticles Qin Liu1*, Ru-Tian Li1*, Han-Qing Qian2, Mi Yang1, Zhen-Shu Zhu2, Wei Wu2, Xiao-Ping Qian1, Li-Xia Yu1, Xi-Qun Jiang2, Bao-Rui Liu11The Comprehensive Cancer Center of Drum-Tower Hospital, Medical School of Nanjing University and Clinical Cancer Institute of Nanjing University, Nanjing 210008, China; 2Laboratory of Mesoscopic Chemistry and Department of Polymer Science and Engineering College of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China*These authors contributed equally to this workAbstract: Nanoscale drug carriers have been extensively developed to improve drug therapeutic efficiency. However, delivery of chemotherapeutic agents to tumor tissues and cells has not been favorably managed. In this study, we developed a novel “intelligent” nanoparticle, consisting of a gelatinase-cleavage peptide with poly(ethylene glycol) (PEG) and poly(ε-caprolactone) (PCL)-based structure for tumor-targeted docetaxel delivery (DOC-TNPs). The docetaxel-loaded PEG-PCL nanoparticles (DOC-NPs) that did not display gelatinase-stimuli behaviors were used as a control. We found clear evidence that the DOC-TNPs were transformed by gelatinases, allowing drug release and enhancing the cellular uptake of DOC (P < 0.01). In vivo biodistribution study demonstrated that targeted DOC-TNPs could accumulate and remain in the tumor regions, whereas non-targeted DOC-NPs rapidly eliminated from the tumor tissues. DOC-TNPs exhibited higher tumor growth suppression than commercialized Taxotere® (docetaxel; Jiangsu Hengrui Medicine Company, Jiangsu, China) and DOC-NPs on hepatic H22 tumor model via intravenous administration (P < 0.01). Both in vitro and in vivo experiments suggest that the gelatinase-mediated nanoscale delivery system is promising for improvement of antitumor efficacy in various overexpressed gelatinase cancers.Keywords: drug delivery, stimuli-responsive, gelatinase, antitumor, docetaxel" @default.
- W2100603034 created "2016-06-24" @default.
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- W2100603034 date "2012-01-01" @default.
- W2100603034 modified "2023-10-13" @default.
- W2100603034 title "Gelatinase-stimuli strategy enhances the tumor delivery and therapeutic efficacy of docetaxel-loaded poly(ethylene glycol)-poly(ε-caprolactone) nanoparticles" @default.
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- W2100603034 doi "https://doi.org/10.2147/ijn.s26697" @default.
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