Enhanced Antitumor Efficacy of Curcumin-Loaded PLGA Nanoparticles Coated with Unique Fungal Hydrophobin

AAPS PharmSciTech
Lu SunLin-Sen Li

Abstract

Modifications to the surface chemistry, charge, and hydrophilicity/hydrophobicity of nanoparticles are applicable approaches to the alterations of the in vivo fate of intravenously administered nano-sized drug carriers. The objective of this study is to investigate the in vitro and in vivo antitumor efficacies of curcumin PLGA nanoparticles in relation to their surface structural modification via self-assembling coating with unique fungal hydrophobin. The hydophobin-coated curcumin PLGA nanoparticles (HPB PLGA NPs) were obtained by simply soaking curcumin-loaded PLGA nanoparticles (PLGA NPs) in aqueous fungal hydrophobin solution. The in vitro drug release behavior of the HPB PLGA NPS was also tested. The cytotoxicity and cellular uptake of these nanoparticles were determined in HepG2, A549, and Hela cell lines using MTT assay method and CLSM observation. The in vivo antitumor activity was evaluated in Hela tumor xenografted mice model. Compared with the PLGA NPs, the size and zeta potential of the nanoparticles were changed after hydrophobin coating, whereas similar in vitro release pattern was observed. The pharmacodynamics study showed prolonged blood retention of both nano-formulations than that of free curcumin, but no sig...Continue Reading

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BETA
xenograft

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Statistical Package for Social Science ( SPSS
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