alexa Shock wave permeabilization as a new gene transfer method.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Genetic Syndromes & Gene Therapy

Author(s): Lauer U, Brgelt E, Squire Z, Messmer K, Hofschneider PH,

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Abstract Uptake of naked functional DNA into mammalian cells can be achieved by a number of physical methods. However, for most of these techniques possibilities for therapeutic in vivo applications--especially to solid organs--are often limited. In this report, we describe shock wave permeabilization as a new physical gene transfer method, which can be easily applied, provides great flexibility in the size and sequence of the DNA molecules to be delivered, and which should exhibit an advantageous security profile in vivo. Upon exposure to lithotripter-generated shock waves eukaryotic cells display a temporary increase in membrane permeability. This effect was shown to be caused by cavitation resulting in the transient generation of cell pores which allows the direct transfer of naked plasmid DNA. Shockwave transfection of a variety of cell lines was demonstrated. Since shock waves can be well focused within particular body regions, future applications of extracorporally generated shock waves to tissues simultaneously perfused with DNA solutions might open up the possibility of achieving a regionally enhanced in vivo gene transfer. This article was published in Gene Ther and referenced in Journal of Genetic Syndromes & Gene Therapy

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