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Cited by 305

The DOI matches its Crossref record; 62 of the 62 references it cites were found in a registry or an index.

“Manganese Extraction” Strategy Enables Tumor-Sensitive Biodegradability and Theranostics of Nanoparticles

Yu, Luodan, Chen, Yu, Wu, Meiying, Cai, Xiaojun, Yao, Heliang, Zhang, Linlin, Chen, Hangrong, Shi, Jianlin·2016·Journal of the American Chemical Society

Abstract

Biodegradability of inorganic nanoparticles is one of the most critical issues in their further clinical translations. In this work, a novel "metal ion-doping" approach has been developed to endow inorganic mesoporous silica-based nanoparticles with tumor-sensitive biodegradation and theranostic functions, simply by topological transformation of mesoporous silica to metal-doped composite nanoformulations. "Manganese extraction" sensitive to tumor microenvironment was enabled in manganese-doped hollow mesoporous silica nanoparticles (designated as Mn-HMSNs) to fast promote the disintegration and biodegradation of Mn-HMSNs, further accelerating the breakage of Si-O-Si bonds within the framework. The fast biodegradation of Mn-HMSNs sensitive to mild acidic and reducing microenvironment of tumor resulted in much accelerated anticancer drug releasing and enhanced T1-weighted magnetic resonance imaging of tumor. A high tumor-inhibition effect was simultaneously achieved by anticancer drug delivery mediated by PEGylated Mn-HMSNs, and the high biocompatibility of composite nanosystems was systematically demonstrated in vivo. This is the first demonstration of biodegradable inorganic mesoporous nanosystems with specific biodegradation behavior sensitive to tumor microenvironment, which also provides a feasible approach to realize the on-demand biodegradation of inorganic nanomaterials simply by "metal ion-doping" strategy, paving the way to solve the critical low-biodegradation issue of inorganic drug carriers.

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Metadata

Authors
Yu, L., Chen, Y., Wu, M., Cai, X., Yao, H., Zhang, L., Chen, H., & Shi, J.
Venue
Journal of the American Chemical Society
Published
2016-08-02
Volume
138
Issue
31
Pages
9881-9894
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2489121689
Cited by
305
References
62
FWCI
13.91
Type
journal article
Language
en
Open access
closed

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