Journal
ADVANCED DRUG DELIVERY REVIEWS
Volume 72, Issue -, Pages 82-93Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.addr.2014.01.009
Keywords
Acoustic; Transfection; siRNA; miRNA; Plasmid; Viral; Focused ultrasound; Gene delivery
Categories
Funding
- NIH [R21/33 CA102880, R21 EB016752, R44 DK083142, HL110496]
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Nucleic acid-based therapy is a growing field of drug delivery research. Although ultrasound has been suggested to enhance transfection decades ago, it took a combination of ultrasound with nucleic acid carrier systems (microbubbles, liposomes, polyplexes, and viral carriers) to achieve reasonable nucleic acid delivery efficacy. Microbubbles serve as foci for local deposition of ultrasound energy near the target cell, and greatly enhance sonoporation. The major advantage of this approach is in the minimal transfection in the non-insonated non-target tissues. Microbubbles can be simply co-administered with the nucleic acid carrier or can be modified to carry nucleic acid themselves. Liposomes with embedded gas or gas precursor particles can also be used to carry nucleic acid, release and deliver it by the ultrasound trigger. Successful testing in a wide variety of animal models (myocardium, solid tumors, skeletal muscle, and pancreas) proves the potential usefulness of this technique for nucleic acid drug delivery. (C) 2014 Elsevier B.V. All rights reserved.
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