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Chemical vectors for gene delivery: uptake and intracellular trafficking

Paper ID Volume ID Publish Year Pages File Format Full-Text
15904 42476 2010 6 PDF Available
Title
Chemical vectors for gene delivery: uptake and intracellular trafficking
Abstract

Chemical vectors for non-viral gene delivery are based on engineered DNA nanoparticles produced with various range of macromolecules suitable to mimic some viral functions required for gene transfer. Many efforts have been undertaken these past years to identify cellular barriers that have to be passed for this issue. Here, we summarize the current status of knowledge on the uptake mechanism of DNA nanoparticles made with polymers and liposomes, their endosomal escape, cytosolic diffusion, and nuclear import of pDNA. Studies reported these past years regarding pDNA nanoparticles endocytosis indicated that there is no clear evident relationship between the ways of entry and the transfection efficiency. By contrast, the sequestration of pDNA in intracellular vesicles and the low number of pDNA close to the nuclear envelop are identified as the major intracellular barriers. So, intensive investigations to increase the cytosolic delivery of pDNA and its migration toward nuclear pores make sense to bring the transfection efficiency closer to that of viruses.

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Publisher
Database: Elsevier - ScienceDirect
Journal: Current Opinion in Biotechnology - Volume 21, Issue 5, October 2010, Pages 640–645
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us