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Journal Articles Bioscience Reports Year : 2017

Cationic gas-filled microbubbles for ultrasound-based nucleic acids delivery


The use of ultrasound has gained great interest for nucleic acids delivery. Ultrasound can reach deep tissues in non-invasive manner. The process of sonoporation is based on the use of low-frequency ultrasound combined with gas-filled microbubbles (MBs) allowing an improved delivery of molecules including nucleic acids in the insonified tissue. For in vivo gene transfer, the engineering of cationic MBs is essential for creating strong electrostatic interactions between MBs and nucleic acids leading to their protection against nucleases degradation and high concentration within the target tissue. Cationic MBs must be stable enough to withstand nucleic acids interaction, have a good size distribution for in vivo administration, and enough acoustic activity to be detected by echography. This review aims to summarize the basic principles of ultrasound-based delivery and new knowledge acquired in these recent years about this method. A focus is made on gene delivery by discussing reported studies made with cationic MBs including ours. They have the ability for efficient delivery of plasmid DNA (pDNA), mRNA or siRNA. Last, we discuss about the key challenges that have to be faced for a fine use of this delivery system.
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hal-02123147 , version 1 (10-11-2021)



Anthony Delalande, Colette Bastié, Lucie Pigeon, Simona Manta, Matthias Lebertre, et al.. Cationic gas-filled microbubbles for ultrasound-based nucleic acids delivery. Bioscience Reports, 2017, 37 (6), pp.BSR20160619. ⟨10.1042/BSR20160619⟩. ⟨hal-02123147⟩
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