Targeted aptamer-nanoparticles to diminish drug resistance of cancer cells in vitro study

Pamela A. Basto, Liangfang Zhang, Aleksandar F.Radovic Moreno Frank Alexis, Robert S. Langer, Omid C. Farokhzad

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Using prostate cancer as a model, we report the drug release of Docetaxel and doxorubicin from aptamer-poly (D,L lactic co glycolic acid)-poly(ethylene glycol) (PLGA-PEG) nanoparticles used to target prostate-specific membrane antigen (PSMA), a well characterized antigen that is expressed on the surface of prostate cancer cells. In our study, the doxorubicin non-covalently intercalated in the aptamer on the surface of the nanoparticles and the Docetaxel is encapsulated within the bulk polymer unit for a powerful delivery method of both drugs at different release rates acting synergistically. In vitro toxicity assays have shown the targeting efficiency of these nanoparticles and the combinatorial effect of the two drugs are higher than a single drug delivery system. These targeted drug delivery nanoparticles could be used as a powerful therapeutic tool, in comparison to the single drug approach, to combat cancer cells displaying drug resistance.

Original languageEnglish
Title of host publication2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007, Technical Proceedings
Pages366-369
Number of pages4
StatePublished - 2007
Externally publishedYes
Event2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007 - Santa Clara, CA, United States
Duration: 20 May 200724 May 2007

Publication series

Name2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007, Technical Proceedings
Volume2

Conference

Conference2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007
Country/TerritoryUnited States
CitySanta Clara, CA
Period20/05/0724/05/07

Keywords

  • Aptamer
  • Doxorubicin
  • Poly (D,L-lactic-co-glycolic acid) (PLGA)
  • Prostate cancer
  • Targeted delivery

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