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Multitriggered Tumor-Responsive Drug Delivery Vehicles Based on Protein and Polypeptide Coassembly for Enhanced Photodynamic Tumor Ablation
Zhang, Ning1,2; Zhao, Fenfang1; Zou, Qianli1,2; Li, Yongxin1,3; Ma, Guanghui1; Yan, Xuehai1,2
2016-11-16
发表期刊SMALL
ISSN1613-6810
卷号12期号:43页码:5936-5943
摘要

Tumor-responsive nanocarriers are highly valuable and demanded for smart drug delivery particularly in the field of photodynamic therapy (PDT), where a quick release of photosensitizers in tumors is preferred. Herein, it is demonstrated that protein-based nanospheres, prepared by the electrostatic assembly of proteins and polypeptides with intermolecular disulfide cross-linking and surface polyethylene glycol coupling, can be used as versatile tumor-responsive drug delivery vehicles for effective PDT. These nanospheres are capable of encapsulation of various photosensitizers including Chlorin e6 (Ce6), protoporphyrin IX, and verteporfin. The Chlorin e6-encapsulated nanospheres (Ce6-Ns) are responsive to changes in pH, redox potential, and proteinase concentration, resulting in multitriggered rapid release of Ce6 in an environment mimicking tumor tissues. In vivo fluorescence imaging results indicate that Ce6-Ns selectively accumulate near tumors and the quick release of Ce6 from Ce6-Ns can be triggered by tumors. In tumors the fluorescence of released Ce6 from Ce6-Ns is observed at 0.5 h postinjection, while in normal tissues the fluorescence appeared at 12 h postinjection. Tumor ablation is demonstrated by in vivo PDT using Ce6-Ns and the biocompatibility of Ce6-Ns is evident from the histopathology imaging, confirming the enhanced in vivo PDT efficacy and the biocompatibility of the assembled drug delivery vehicles.

文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1002/smll.201602339
收录类别SCI
语种英语
关键词[WOS]CYSTEINE CATHEPSINS ; NANOPARTICLES ; THERAPY ; STIMULI ; CANCER ; PH ; ALBUMIN ; CELLS ; PHOTOSENSITIZERS ; DEGRADATION
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
项目资助者National Natural Science Foundation of China(21522307 ; Talent Fund of the Recruitment Program of Global Youth Experts ; CAS(2016VTA042) ; Chinese Academy of Sciences (CAS) ; 21473208 ; 51403214 ; 91434103)
WOS记录号WOS:000389405800003
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21852
专题生化工程国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Ctr Mesosci, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Zhang, Ning,Zhao, Fenfang,Zou, Qianli,et al. Multitriggered Tumor-Responsive Drug Delivery Vehicles Based on Protein and Polypeptide Coassembly for Enhanced Photodynamic Tumor Ablation[J]. SMALL,2016,12(43):5936-5943.
APA Zhang, Ning,Zhao, Fenfang,Zou, Qianli,Li, Yongxin,Ma, Guanghui,&Yan, Xuehai.(2016).Multitriggered Tumor-Responsive Drug Delivery Vehicles Based on Protein and Polypeptide Coassembly for Enhanced Photodynamic Tumor Ablation.SMALL,12(43),5936-5943.
MLA Zhang, Ning,et al."Multitriggered Tumor-Responsive Drug Delivery Vehicles Based on Protein and Polypeptide Coassembly for Enhanced Photodynamic Tumor Ablation".SMALL 12.43(2016):5936-5943.
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