Preparation and Characterization of Ginger Lipid-derived Nanoparticles for Colon-targeted siRNA Delivery

姜脂衍生纳米粒子的制备及表征,用于结肠靶向 siRNA 递送

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作者:Junsik Sung, Chunhua Yang, James F Collins, Didier Merlin

Abstract

Synthetic nanoparticle-based drug delivery system is widely known for its ability to increase the efficacy and specificity of loaded drugs, but it often suffers from relatively higher immunotoxicity and higher costs as compared to traditional drug formulations. Contrarily, plant-derived nanoparticles appear to be free from these limitations of synthetic nanoparticles; they are naturally occurring biocompatible vesicles that do not generate immunotoxicity and are easy to obtain. Additionally, lipids isolated from plant-derived nanoparticles have shown the capability of assembling themselves to spherical nano-sized liposomal particles. Herein, we employ lipids extracted from ginger-derived nanoparticles and load them with therapeutic siRNA (CD98-siRNA) to create CD98-siRNA/ginger-lipid nanoparticles. Characterization of the CD98-siRNA/ginger-lipid nanoparticles showed that they present a spherical shape, with a diameter of around 189.5 nm. The surface zeta potential of the nanoparticles varies from -18.1 to -18.4 mV. Furthermore, in recent research, the CD98-siRNA/ginger-lipid nanoparticles have shown specific colon targeting capability and excellent anti-inflammatory efficacy in a Dextran Sodium Sulfate (DSS) induced mouse model of colitis.

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