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Method for reverse transfection using gold colloid as a nano-scaffold

Paper ID Volume ID Publish Year Pages File Format Full-Text
22368 43271 2007 3 PDF Available
Title
Method for reverse transfection using gold colloid as a nano-scaffold
Abstract

DNA microarray of non-viral reverse transfection in cell engineering allows drastic downsizing of large-scale functional screening of genes and siRNAs. However the control of localizability and efficiency of the microarray is still considered as a critical barrier in practical use. One of the major breakthrough to increase the transfection efficiency may be control in the condition of DNA/transfection reagent complex on the microarray surface. In this paper, we showed that negatively charged gold colloid (GC) is successfully used to control the DNA/reagent complex on a glass surface. The conjugation of gold nanoparticles (20 nm in diameter) to the pEGFP-N1/Jet-PEI complex resulted in a more than 2.5-fold increase in the intensity of fluorescence of enhanced green fluorescent protein (EGFP) (based on the efficiency of transfection) from human mesenchymal stem cells (hMSCs), as compared to the control without GC. Our method for reverse transfection should be useful not only for cell array-based analyses but also as a novel gene-delivery method for gene therapy in regenerative medicine.

Keywords
human mesenchymal stem cells; reverse transfection; gold colloid; solid surface
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 103, Issue 1, January 2007, Pages 101–103
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us