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GSH-Responsive supramolecular nanoparticles constructed by β-D-galactose-modified pillar[5]arene and camptothecin prodrug for targeted anticancer drug delivery

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Abstract

Supramolecular construction of a targeted and stimuli-responsive drug delivery system is still a challenging task. Herein, GSH-responsive supramolecular prodrug nanoparticles were constructed by the host–guest complexation between a β-D-galactose-functionalized water-soluble pillar[5]arene (GalP5) and a disulfide bond containing camptothecin prodrug (G). The obtained prodrug nanoparticles were stable under physiological conditions, whereas efficient drug release was triggered in a simulated tumor environment with high GSH concentration. In vitro studies revealed that these prodrug nanoparticles preferentially entered asialoglycoprotein receptor-overexpressing HepG2 cells due to the active targeting effect of galactose units. This active targeting effect resulted in the maximization of anticancer efficacy and reduction of the undesirable side effects to normal cells.

Graphical abstract: GSH-Responsive supramolecular nanoparticles constructed by β-d-galactose-modified pillar[5]arene and camptothecin prodrug for targeted anticancer drug delivery

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Publication details

The article was received on 26 Jun 2017, accepted on 30 Jun 2017 and first published on 30 Jun 2017


Article type: Communication
DOI: 10.1039/C7CC04932C
Citation: Chem. Commun., 2017, Advance Article
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    GSH-Responsive supramolecular nanoparticles constructed by β-D-galactose-modified pillar[5]arene and camptothecin prodrug for targeted anticancer drug delivery

    X. Liu, W. Shao, Y. Zheng, C. Yao, L. Peng, D. Zhang, X. Hu and L. Wang, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC04932C

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