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Systemic RNAi-mediated Gene Silencing in Nonhuman Primate and Rodent Myeloid Cells

Author(s)
Novobrantseva, Tatiana I; Borodovsky, Anna; Wong, Jamie; Klebanov, Boris; Zafari, Mohammad; Yucius, Kristina; Querbes, William; Ge, Pei; Ruda, Vera M; Milstein, Stuart; Speciner, Lauren; Duncan, Rick; Barros, Scott; Basha, Genc; Cullis, Pieter; Akinc, Akin; Donahoe, Jessica S; Narayanannair Jayaprakash, K; Jayaraman, Muthusamy; Bogorad, Roman; Love, Kevin T; Whitehead, Kathryn Ann; Levins, Christopher G.; Manoharan, Muthiah; Swirski, Filip K; Weissleder, Ralph; Langer, Robert S; Anderson, Daniel Griffith; de Fougerolles, Antonin; Nahrendorf, Matthias; Koteliansky, Victor; ... Show more Show less
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Creative Commons Attribution-NonCommercial-NoDerivs License http://creativecommons.org/licenses/by-nc-nd/3.0/
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Abstract
Leukocytes are central regulators of inflammation and the target cells of therapies for key diseases, including autoimmune, cardiovascular, and malignant disorders. Efficient in vivo delivery of small interfering RNA (siRNA) to immune cells could thus enable novel treatment strategies with broad applicability. In this report, we develop systemic delivery methods of siRNA encapsulated in lipid nanoparticles (LNP) for durable and potent in vivo RNA interference (RNAi)-mediated silencing in myeloid cells. This work provides the first demonstration of siRNA-mediated silencing in myeloid cell types of nonhuman primates (NHPs) and establishes the feasibility of targeting multiple gene targets in rodent myeloid cells. The therapeutic potential of these formulations was demonstrated using siRNA targeting tumor necrosis factor-α (TNFα) which induced substantial attenuation of disease progression comparable to a potent antibody treatment in a mouse model of rheumatoid arthritis (RA). In summary, we demonstrate a broadly applicable and therapeutically relevant platform for silencing disease genes in immune cells. Keywords: delivery; immune cell; siRNA
Date issued
2012
URI
https://hdl.handle.net/1721.1/122012
Department
Massachusetts Institute of Technology. Department of Chemical Engineering; Harvard University--MIT Division of Health Sciences and Technology; Koch Institute for Integrative Cancer Research at MIT
Journal
Molecular Therapy Nucleic Acids
Publisher
Elsevier BV
Citation
Novobrantseva, Tatiana I et al. "Systemic RNAi-mediated Gene Silencing in Nonhuman Primate and Rodent Myeloid Cells." Molecular Therapy 1 (2012): e4 © 2012 American Society of Gene and Cell Therapy
Version: Final published version
ISSN
2162-2531

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