4.7 Article

Drug-Loaded Polymeric Spherical Nucleic Acids: Enhancing Colloidal Stability and Cellular Uptake of Polymeric Nanoparticles through DNA Surface-Functionalization

Journal

BIOMACROMOLECULES
Volume 18, Issue 2, Pages 483-489

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.biomac.6b01563

Keywords

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Funding

  1. Center for Cancer Nanotechnology Excellence initiative of the National Cancer Institute of the National Institutes of Health [U54CA151880, U54CA199091]
  2. AFOSR [FA9550-12-1-0280]
  3. NTU-NU Institute for NanoMedicine located at the International Institute for Nanotechnology, Northwestern University
  4. Nanyang Technological University, Singapore
  5. NSF-NSEC [NSF EEC-0647560]
  6. NIH-CCNE
  7. NSF-MRSEC [NSF DMR-1121262]
  8. Keck Foundation
  9. State of Illinois
  10. Northwestern University

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Small-sized (similar to 65 nm) doxorubicin (Dox)-loaded polymeric nanoparticles (PNPs) were modified with oligonucleotides to form colloidally stable Dox-loaded polymeric spherical nucleic acid (Dox-PSNA) nanostructures in biological media. The nucleic acid shell facilitates the cellular uptake of Dox-PSNA, which results in in vitro cytotoxicity against SKOV3 cancer cells.

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