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The Features and Shortcomings for Gene Delivery of Current Non-Viral Carriers

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Abstract:

Since the viral vector for gene therapy has serious problems, including oncogenesity and other adverse effects, non-viral carriers have attracted a great deal of attention. Non-viral carriers are expected to achieve gene therapy without serious side effects. However, the most critical issue of gene delivery by non-viral carriers is the low-expression efficiencies of the desired gene. In order to apply non-viral carriers for gene therapy in practical clinical usage, further understanding of the cellular barriers against gene delivery is a prerequisite. Moreover, additional intelligent concepts for gene delivery are also needed. We will summarize the features and shortcomings of currently developed non-viral delivery systems. Especially, we will address the current progress of cationic lipids (lipoplex) and cationic polymers (polyplex) in terms of transfection efficiency. Furthermore, our group has developed a system that responds to the particular intracellular signals of target disease cells. We have named this gene delivery system a drug delivery system based on responses cellular signal (D-RECS). We will introduce this new concept of intelligent non-viral delivery system that our group recently developed.





Keywords: Non-viral carrier; lipoplex; polyplex

Document Type: Research Article

DOI: http://dx.doi.org/10.2174/092986706777935276

Affiliations: Department of Microbiology,St. Marianna University School of Medicine, 2-16-1, Sugao Miyamae-ku Kawasaki, 216-8511, Japan.

Publication date: August 1, 2006

More about this publication?
  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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