Abstract

This review introduces a new concept "Programmed Packaging" to develop a non-viral gene delivery system. Based on this concept, multifunctional envelope type nano devices (MEND) were developed for in vitro, in situ and in vivo conditions. A quantitative study to identify a rate limiting step in intracellular trafficking was also shown between viral and non-viral vectors, which indicated an important role of controlled intranuclear disposition for development a safe and efficient non-viral gene delivery system. This review will provide a future direction of non-viral gene delivery system.

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