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Bioresponsive cancer-targeted polysaccharide nanosystem to inhibit angiogenesis

Authors Yang F, Fang XY, Jiang WT, Chen TF

Received 11 April 2017

Accepted for publication 8 August 2017

Published 10 October 2017 Volume 2017:12 Pages 7419—7431


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Linlin Sun

Fang Yang, Xueyang Fang, Wenting Jiang, Tianfeng Chen

Department of Chemistry, Jinan University, Guangzhou, China

Abstract: With many desirable features, such as being more effective and having multiple effects, antiangiogenesis has become one of the promising cancer treatments. The aim of this study was to design and synthesize a new targeted bioresponsive nanosystem with antiangiogenesis properties. The mUPR@Ru(POP) nanosystem was constructed by the polymerization of Ulva lactuca polysaccharide and N-isopropyl acrylamide, decorated with methoxy polyethylene glycol and Arg–Gly–Asp peptide, and encapsulated with anticancer complex [Ru(phen)2p-MOPIP](PF6)2·2H2O. The nanosystem was both pH responsive and targeted. Therefore, the cellular uptake of the drug was greatly improved. Moreover, the mUPR@Ru(POP) had strong suppressive effects against vascular endothelial growth factor (VEGF)-induced angiogenesis through apoptosis. The mUPR@Ru(POP) significantly inhibited VEGF-induced human umbilical vein endothelial cell migration, invasion, and tube formation. These findings have presented new insights into the development of antiangiogenesis drugs.

Keywords: polysaccharide nanosystem, antiangiogenesis, cancer-targeted, bioresponsive

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