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Pharmaceuticals 2013, 6(1), 85-107; doi:10.3390/ph6010085
Review

Nanoparticle-Based Delivery of RNAi Therapeutics: Progress and Challenges

1,†
, 1,†
, 1
 and 1,2,*
Received: 21 December 2012; in revised form: 8 January 2013 / Accepted: 14 January 2013 / Published: 16 January 2013
(This article belongs to the Special Issue RNAi-Based Therapeutics)
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Abstract: RNA interference (RNAi) is an evolutionarily conserved, endogenous process for post-transcriptional regulation of gene expression. Although RNAi therapeutics have recently progressed through the pipeline toward clinical trials, the application of these as ideal, clinical therapeutics requires the development of safe and effective delivery systems. Inspired by the immense progress with nanotechnology in drug delivery, efforts have been dedicated to the development of nanoparticle-based RNAi delivery systems. For example, a precisely engineered, multifunctional nanocarrier with combined passive and active targeting capabilities may address the delivery challenges for the widespread use of RNAi as a therapy. Therefore, in this review, we introduce the major hurdles in achieving efficient RNAi delivery and discuss the current advances in applying nanotechnology-based delivery systems to overcome the delivery hurdles of RNAi therapeutics. In particular, some representative examples of nanoparticle-based delivery formulations for targeted RNAi therapeutics are highlighted.
Keywords: small interfering (si)RNA; non-viral vector; multifunctional nanoparticle; targeting delivery; passive and active targeting small interfering (si)RNA; non-viral vector; multifunctional nanoparticle; targeting delivery; passive and active targeting
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Zhou, J.; Shum, K.-T.; Burnett, J.C.; Rossi, J.J. Nanoparticle-Based Delivery of RNAi Therapeutics: Progress and Challenges. Pharmaceuticals 2013, 6, 85-107.

AMA Style

Zhou J, Shum K-T, Burnett JC, Rossi JJ. Nanoparticle-Based Delivery of RNAi Therapeutics: Progress and Challenges. Pharmaceuticals. 2013; 6(1):85-107.

Chicago/Turabian Style

Zhou, Jiehua; Shum, Ka-To; Burnett, John C.; Rossi, John J. 2013. "Nanoparticle-Based Delivery of RNAi Therapeutics: Progress and Challenges." Pharmaceuticals 6, no. 1: 85-107.



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