Effect of Poly-Ethylenimine Dynamics on DNA Nanoparticle Packing
نویسندگان
چکیده
منابع مشابه
Transfection activity of layer-by-layer plasmid DNA/poly(ethylenimine) films deposited on PLGA microparticles.
Layer-by-layer (LbL) assemblies of DNA and polycations on the surface of colloidal templates can be used for gene delivery. Plasmid DNA encoding for secreted alkaline phosphatase (SEAP) was used to deposit LbL films with poly(ethylenimine) (PEI) on the surface of polystyrene and poly(lactide-co-glycolide) microparticles. The formation of LBL films was confirmed by zeta potential analysis and fl...
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15 صفحه اولTarget-specific gene silencing by siRNA plasmid DNA complexed with folate-modified poly(ethylenimine).
A target-specific delivery system of green fluorescent protein (GFP) small interfering RNA (siRNA) plasmid DNA was developed by using folate-modified cationic polyethylenimine (PEI). A GFP siRNA plasmid vector (pSUPER-siGFP), which inhibits the synthesis of GFP, was constructed and used for suppressing GFP expression in folate receptor over-expressing cells (KB cells) in a target-specific manne...
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Poly(ethylenimine) (PEI) is one of a number of polycations that has been used successfully to transfer genes into living cells. Although PEI shows promise in the field of gene therapy, to date no rigorous proof of mechanism has been published regarding the fate of PEI/DNA administered for transfection. Here we show, by using fluorescent labeling and confocal microscopy, the paths of PEI/DNA com...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2015
ISSN: 0006-3495
DOI: 10.1016/j.bpj.2014.11.2652