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Polyethyleneimine-coated Iron Oxide Nanoparticles as a Vehicle for the Delivery of Small Interfering RNA to Macrophages In Vitro and In Vivo
Published on: February 5, 2019
Dual-function hybrid nanoparticles with gene silencing and anti-inflammatory effects
Oksana Fihurka1, Vasyl Sava1, Juan Sanchez-Ramos1
1Department of Neurology, University of South Florida, 13220 USF Laurel Drive, Room 4105, Tampa, FL 33612, USA.
This study developed a novel hybrid nanocarrier to treat Huntington's Disease (HD). The nanocarrier effectively lowered mutant huntingtin gene (HTT) expression and reduced inflammation in preclinical models.
Area of Science:
- Neuroscience
- Biotechnology
- Pharmacology
Background:
- Intranasal nanocarriers offer a noninvasive alternative for brain drug delivery.
- Dual-function nanocarriers can target multiple pathological pathways.
Purpose of the Study:
- To design and evaluate a hybrid nanocarrier for Huntington's Disease (HD).
- The nanocarrier aims to reduce huntingtin gene (HTT) expression and mitigate neuroinflammation.
Main Methods:
- Fabrication of chitosan-based nanoparticles loaded with siRNA and a lipid shell containing cannabidiol.
- Testing in YAC128 transgenic mouse-derived mesenchymal stem cell cultures.
Main Results:
- Effective reduction of mutant huntingtin gene (HTT) expression.
- Significant decrease in the proinflammatory cytokine IL-6 levels.
Conclusions:
- A novel dual-action hybrid nanocarrier system was successfully developed.
- This system demonstrates efficacy in lowering HTT expression and reducing inflammation, offering a potential therapeutic strategy for HD.
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