Mechanisms of nucleotide trafficking during siRNA delivery to endothelial cells using perfluorocarbon nanoemulsions.

Mechanisms of nucleotide trafficking during siRNA delivery to endothelial cells using perfluorocarbon nanoemulsions.
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DOI:
10.1016/j.biomaterials.2010.01.006
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发表时间:
2010-04
期刊:
影响因子:
14
通讯作者:
Wickline, Samuel A.
Wickline, Samuel A.
中科院分区:
工程技术1区
文献类型:
--
作者:
Kaneda, Megan M.;Sasaki, Yo;Lanza, Gregory M.;Milbrandt, Jeffrey;Wickline, Samuel A.

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RNA interference (RNAi) is a useful in vitro research tool, but its application as a safe and effective therapeutic agent may benefit from improved understanding of mechanisms of exogenous siRNA delivery, including cell trafficking and sorting patterns. We report the development of a transfection reagent for siRNA delivery which employs a distinctive non-digestive mode of particle-cell membrane interaction through the formation of a hemifusion complex resulting in lipid-raft transport of cargo to the cytosol, bypassing the usual endosomal nanoparticle uptake pathway. We further demonstrate markedly enhanced efficacy over conventional transfection agents for suppressing endothelial cell expression of upregulated vascular adhesion molecules.
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