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Current Gene Therapy


ISSN (Print): 1566-5232
ISSN (Online): 1875-5631

Progress and Prospects of Polyplex Nanomicelles for Plasmid DNA Delivery

Author(s): Keiji Itaka and Kazunori Kataoka

Volume 11 , Issue 6 , 2011

Page: [457 - 465] Pages: 9

DOI: 10.2174/156652311798192879

Price: $65


Plasmid DNA (pDNA)-based gene therapy is a promising strategy for treating many chronic diseases and pathological states. Using pDNA has several advantages such as the sustained synthesis of proteins and peptides in their natives form, ease of the combined use of two or more bioactive factors, and cost-effectiveness. For effective pDNA delivery, cationic polymers are good candidates providing high pDNAstability and functionality.In this article, the development of polyplex nanomicelles composed of poly(ethyleneglycol) (PEG)-polycation block copolymers and pDNA as well as their future prospects is reviewed. The issues of safety and the transfection efficiency are highlighted for considerations of in vivo pDNA delivery.

Keywords: Gene therapy, Polyplexnanomicelle, Polycation, Biocompatibility, Toxicity, Non-viral gene delivery, Plasmid DNA, chronic diseases, pathological states, polymers

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