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Cationic Transfection Lipids in Gene Therapy: Successes, Set-backs, Challenges and Promises

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The clinical success of gene therapy is critically dependent on the development of efficient and safe gene delivery reagents, popularly known as “Transfection Vectors”. The transfection vectors commonly used in gene therapy are mainly of two types: viral and non-viral. The efficiencies of viral transfection vectors are, in general, superior to their non-viral counterparts. However, the myriads of potentially adverse immunogenic aftermaths associated with the use of viral vectors are increasingly making the non-viral gene delivery reagents as the vectors of choice. Among the existing arsenal of non-viral gene delivery reagents, the distinct advantanges associated with the use of cationic transfection lipids include their: (a) robust manufacture; (b) ease in handling & preparation techniques; (c) ability to inject large lipid:DNA complexes and (d) low immunogenic response. The present review will highlight the successes, set-backs, challenges and future promises of cationic transfection lipids in non-viral gene therapy.

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Keywords: cationic lipids; gene therapy; lipoplexes; systemic delivery; targeted gene delivery

Document Type: Review Article

Publication date: 2003-07-01

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  • 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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