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https://hdl.handle.net/2440/44027
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Type: | Journal article |
Title: | Gene delivery to airway epithetiat cells in vivo: a direct comparison of apicat and basotateral transduction strategies using pseudotyped, lentivirus vectors |
Author: | Kremer, K. Dunning, K. Parsons, D. Anson, D. |
Citation: | Journal of Gene Medicine, 2007; 9(5):362-368 |
Publisher: | John Wiley & Sons Ltd |
Issue Date: | 2007 |
ISSN: | 1099-498X 1521-2254 |
Statement of Responsibility: | Karlea L. Kremer, Kylie R. Dunning, David W. Parsons, Donald S. Anson |
Abstract: | Lentivirus vectors are being investigated as gene delivery vehicles for cystic fibrosis airway gene therapy. Vesicular stomatitis virus G glycoprotein (VSV-G)-pseudotyped vectors transduce airway epithelia via receptors that are located predominantly on the basolateral surface of the airway epithelium. Effective transduction with VSV-G-pseudotyped vectors requires the use of a pre-treatment that disrupts epithelial tight junctions, allowing access to these basolateral receptors. In contrast, it has been reported that apically targeted lentiviral vectors allow efficient gene transfer in the absence of any pre-treatment. In a direct comparison of transduction by a VSV-G-pseudotyped vector, in combination with a pre-treatment with lysophosphatidylcholine (LPC), and the same vector pseudotyped with the apically targeted baculovirus GP64 envelope (without any pre-treatment), the GP64 vector was found to be significantly less efficient. However, when a pre-treatment with LPC was used the level of transduction with the GP64-pseudotyped lentiviral vector was not significantly different to that resulting from the VSV-G-pseudotyped vector. The cell types transduced with each vector were essentially the same, with the majority of cells transduced being respiratory (ciliated cells). However, unlike the VSV-G-pseudotyped vector, which results in persisting gene expression, transduction with the GP64-pseudotyped vector resulted in gene expression that declined to undetectable levels over six months, whether or not an LPC pre-treatment was used. |
Keywords: | lentiviral vector pseudotype airway transduction apical basolateral |
Description: | Published in Journal of Gene Medicine, 2007; 9 (5):362-368 at www.interscience.wiley.com |
DOI: | 10.1002/jgm.1025 |
Published version: | http://www3.interscience.wiley.com/journal/114191590/abstract |
Appears in Collections: | Aurora harvest Paediatrics publications |
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