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Widespread lipoplex-mediated gene transfer to vascular endothelial cells and hemangioblasts in the vertebrate embryo.

Abstract : We report here a method that allows fast, efficient, and low-cost screening for gene function in the vascular system of the vertebrate embryo. Through intracardiac delivery of nucleic acids optimally compacted by a specific cationic lipid, we are able to induce in vivo endothelial cell-specific gain-of-function during development of the vascular network in the chick embryo. When the nucleic acids are delivered during the period of intraembryonic hematopoiesis, aortic hemangioblasts, the forerunners of the hematopoietic stem cells known to derive from the aortic endothelium, are also labeled. Similarly, we show that siRNA could be used to induce loss-of-function in vascular endothelial cells. This gene transfer technique was also applied to the mouse embryo with a high efficiency. The present method allows large-scale analysis and may represent a new and versatile tool for functional genomics.
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https://www.hal.inserm.fr/inserm-00162441
Contributor : Pharmacologie Chimique Et Génétique <>
Submitted on : Friday, July 13, 2007 - 2:32:23 PM
Last modification on : Saturday, September 19, 2020 - 4:26:47 AM

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Karine Bollérot, Daisuke Sugiyama, Virginie Escriou, Rodolphe Gautier, Samuel Tozer, et al.. Widespread lipoplex-mediated gene transfer to vascular endothelial cells and hemangioblasts in the vertebrate embryo.. Developmental Dynamics, Wiley, 2006, 235 (1), pp.105-14. ⟨10.1002/dvdy.20579⟩. ⟨inserm-00162441⟩

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