Magnetic Nanoparticles Enhance Adenovirus Transduction In Vitro and In Vivo
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Adenoviruses are among the most powerful gene delivery systems. Even if they present low potential for oncogenesis, there is still a need for minimizing widespread delivery to avoid deleterious reactions. In this study, we investigated Magnetofection efficiency to concentrate and guide vectors for an improved targeted delivery.
Magnetic nanoparticles formulations were complexed to a replication defective Adenovirus and were used to transduce cells both in vitro and in vivo. A new integrated magnetic procedure for cell sorting and genetic modification (i-MICST) was also investigated.
Magnetic nanoparticles enhanced viral transduction efficiency and protein expression in a dose-dependent manner. They accelerated the transduction kinetics and allowed non-permissive cells infection. Magnetofection greatly improved adenovirus-mediated DNA delivery in vivo and provided a magnetic targeting. The i-MICST results established the efficiency of magnetic nanoparticles assisted viral transduction within cell sorting columns.
The results showed that the combination of Magnetofection and Adenoviruses represents a promising strategy for gene therapy. Recently, a new integrated method to combine clinically approved magnetic cell isolation devices and genetic modification was developed. In this study, we validated that magnetic cell separation and adenoviral transduction can be accomplished in one reliable integrated and safe system.
- Magnetic Nanoparticles Enhance Adenovirus Transduction In Vitro and In Vivo
Volume 29, Issue 5 , pp 1203-1218
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- Springer US
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- in vivo transduction
- magnetic cell sorting
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- Author Affiliations
- 1. OZ Biosciences, Parc Scientifique de Luminy, 163 Avenue de Luminy case 922, 13288, Marseille cedex 9, France
- 2. INSERM UMR S901, Institut de Neurobiologie de la Méditerranée (INMED), Parc Scientifique de Luminy, 163 route de Luminy - BP13, 13273, Marseille cedex 09, France