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Part Part Syst Charact. 2014 Nov 01;31(11):1141-1150. doi: 10.1002/ppsc.201400036.

High Density Lipoprotein Nanoparticles Deliver RNAi to Endothelial Cells to Inhibit Angiogenesis.

Particle & particle systems characterization : measurement and description of particle properties and behavior in powders and other disperse systems

Sushant Tripathy, Elena Vinokour, Kaylin M McMahon, Olga V Volpert, C Shad Thaxton

Affiliations

  1. Northwestern University, Feinberg School of Medicine, Department of Urology, 303 East Chicago Avenue, Tarry 16-703, Chicago, Illinois 60611, United States ; Northwestern University, Institute for BioNanotechnology and Medicine (IBNAM), 303 East Superior Avenue, 11th Floor, Chicago, Illinois 60611, United States ; Driskill Graduate Program, Northwestern University, Chicago, Illinois 60611, United States.
  2. Northwestern University, Feinberg School of Medicine, Department of Urology, 303 East Chicago Avenue, Tarry 16-703, Chicago, Illinois 60611, United States.
  3. Northwestern University, Feinberg School of Medicine, Department of Urology, 303 East Chicago Avenue, Tarry 16-703, Chicago, Illinois 60611, United States ; Northwestern University, Robert H. Lurie Comprehensive Cancer Center, 303 East Superior Avenue, Chicago, Illinois 60611, United States.
  4. Northwestern University, Feinberg School of Medicine, Department of Urology, 303 East Chicago Avenue, Tarry 16-703, Chicago, Illinois 60611, United States ; Northwestern University, Robert H. Lurie Comprehensive Cancer Center, 303 East Superior Avenue, Chicago, Illinois 60611, United States ; Northwestern University, Institute for BioNanotechnology and Medicine (IBNAM), 303 East Superior Avenue, 11th Floor, Chicago, Illinois 60611, United States ; Northwestern University, International Institute for Nanotechnology, 2145 Sheridan Road, Evanston, Illinois 60208, United States.

PMID: 25400330 PMCID: PMC4228967 DOI: 10.1002/ppsc.201400036

Abstract

Systemic delivery of therapeutic nucleic acids to target cells and tissues outside of the liver remains a major challenge. We synthesized a biomimetic high density lipoprotein nanoparticle (HDL NP) for delivery of a cholesteryl modified therapeutic nucleic acid (RNAi) to vascular endothelial cells, a cell type naturally targeted by HDL. HDL NPs adsorb cholesteryl modified oligonucleotides and protect them from nuclease degradation. As proof of principle, we delivered RNAi targeting vascular endothelial growth factor receptor 2 (

Keywords: Angiogenesis; HDL; RNAi; Tumor; VEGFR2

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