4.8 Article

Acid-Degradable Polymer-Caged Lipoplex (PCL) Platform for siRNA Delivery: Facile Cellular Triggered Release of siRNA

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 135, Issue 47, Pages 17655-17658

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja404491r

Keywords

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Funding

  1. NIH (NCI CCNE) [C54CA151880]
  2. NIH (CCNP) [U01CA151461]
  3. NIH [P30CA060553]
  4. NSF-NSEC
  5. NIH-CCNE
  6. NSF-MRSEC
  7. Keck Foundation
  8. State of Illinois
  9. NU
  10. NCI [T32GM008382]
  11. AFOSR [FA-9550-11-1-0275]

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An acid-degradable polymer-caged lipoplex (PCL) platform consisting of a cationic lipoplex core and a biocompatible, pH-responsive polymer shell has been developed for the effective delivery of small interfering RNA (siRNA) through a combination of facile loading, rapid acid-triggered release, cellular internalization, and effective endosomal escape. In vitro testing of this degradable PCL delivery platform reveals similar to 45 and similar to 2.5-fold enhancement of enhanced green fluorescent protein knockdown in cancer cells in comparison to either free siRNA or siRNA-loaded non-acid-degradable lipoplex formulations, respectively.

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