Redox-responsive nanocarrier based on heparin end-capped mesoporous silica nanoparticles for targeted tumor therapy in vitro and in vivo

This study reports a smart controlled drug release system based on mesoporous silica nanoparticles (MSNs) for targeted drug delivery. The system was fabricated by employing heparin as an end-capping agent to seal the mesopores of MSNs via disulfide bonds as intermediate linkers for intracellular glu...

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Publié dans:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 30(2014), 26 vom: 08. Juli, Seite 7867-77
Auteur principal: Dai, Liangliang (Auteur)
Autres auteurs: Li, Jinghua, Zhang, Beilu, Liu, Junjie, Luo, Zhong, Cai, Kaiyong
Format: Article en ligne
Langue:English
Publié: 2014
Accès à la collection:Langmuir : the ACS journal of surfaces and colloids
Sujets:Journal Article Research Support, Non-U.S. Gov't Antineoplastic Agents Drug Carriers Silicon Dioxide 7631-86-9 Doxorubicin 80168379AG
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520 |a This study reports a smart controlled drug release system based on mesoporous silica nanoparticles (MSNs) for targeted drug delivery. The system was fabricated by employing heparin as an end-capping agent to seal the mesopores of MSNs via disulfide bonds as intermediate linkers for intracellular glutathione triggered drug release. Lactobionic acid molecules were then coupled to heparin end-capped MSNs that serve as targeting motifs for facilitating the uptake of doxorubicin (DOX) loaded MSNs by HepG2 cells and tumors, respectively. Detailed investigations demonstrated that the fabricated drug delivery systems could deliver DOX to cancer cells to induce cell apoptosis in vitro and tumor tissue for the inhibition of tumor growth in vivo with minimal side effects. The study affords a promising nanocarrier for redox-responsive cargo delivery with high curative efficiency for cancer therapy 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Zhang, Beilu  |e verfasserin  |4 aut 
700 1 |a Liu, Junjie  |e verfasserin  |4 aut 
700 1 |a Luo, Zhong  |e verfasserin  |4 aut 
700 1 |a Cai, Kaiyong  |e verfasserin  |4 aut 
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