Anti-proliferative effects of gold nanoparticles functionalized with Semaphorin 3F

Anti-proliferative effects of gold nanoparticles functionalized with Semaphorin 3F The new vessel formations play a vital role in growth and spread of cancer. Current anti-angiogenic therapies, predominantly based on vascular endothelial growth factor (VEGF) inhibition, can inhibit vascular development; however, they are usually ineffective against the primary tumor occurrence. The aim of this study was to assess anti-angiogenic effects of gold nanoparticles (AuNPs) functionalized with Semaphorin (Sema) 3F protein. The polyethylene glycol (PEG)-coated AuNPs were covalently functionalized with Sema 3F and labeled with the TAMRA fluorescent dye. The effect of the NPs on human umbilical vein endothelial cells (HUVECs) is probed in the way of internalization and viability assays. AuNP-Sema 3F bioconjugates showed great endothelial cell uptake. AuNP-Sema 3F bioconjugates reduced VEGF165-induced endothelial cell proliferation more effectively than Sema 3F alone, suggesting that the therapeutic effects of Sema 3F can be improved by conjugation to AuNPs. Also, no significant toxicity effect was induced by bioconjugates. This is the first study that reports a covalent binding of full length Sema 3F to NPs. The exogenously administration of Sema 3F, which has both anti-angiogenic and anti-tumoral activity, to tumor vasculature via a carrying platform may not only lead to more effective anti-angiogenic treatment but also may make current approach more applicable in clinical use like drug delivery system. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Nanoparticle Research Springer Journals

Anti-proliferative effects of gold nanoparticles functionalized with Semaphorin 3F

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Publisher
Springer Netherlands
Copyright
Copyright © 2017 by Springer Science+Business Media B.V.
Subject
Materials Science; Nanotechnology; Inorganic Chemistry; Characterization and Evaluation of Materials; Physical Chemistry; Optics, Lasers, Photonics, Optical Devices
ISSN
1388-0764
eISSN
1572-896X
D.O.I.
10.1007/s11051-017-3967-7
Publisher site
See Article on Publisher Site

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