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The tissue plasminogen activator gene promoter: a novel tool for radiogenic gene therapy of the prostate?

Biomedical Sciences Research Institute Computer Science Research Institute Environmental Sciences Research Institute Nanotechnology & Advanced Materials Research Institute

Marignol, L., Robson, T., McCarthy, H. O., Worthington, Jenny, Murray, M. M., Hollywood, D., Lawler, M. and Hirst, D. G. (2008) The tissue plasminogen activator gene promoter: a novel tool for radiogenic gene therapy of the prostate? JOURNAL OF GENE MEDICINE, 10 (9). pp. 1032-1038. [Journal article]

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DOI: 10.1002/jgm.1221

Abstract

Background Radiation therapy is a treatment modality routinely used in cancer management so it is not unexpected that radiation-inducible promoters have emerged as an attractive tool for controlled gene therapy. The human tissue plasminogen activator gene promoter (t-PA) has been proposed as a candidate for radiogenic gene therapy, but has not been exploited to date. The purpose of this study was to evaluate the potential of this promoter to drive the expression of a reporter gene, the green fluorescent protein (GFP), in response to radiation exposure. Methods To investigate whether the promoter could be used for prostate cancer gene therapy, we initially transfected normal and malignant prostate cells. We then transfected HMEC-1 endothelial cells and ex vivo rat tail artery and monitored GFP levels using Western blotting following the delivery of single doses of ionizing radiation (2, 4, 6 Gy) to test whether the promoter could be used for vascular targeted gene therapy. Results The t-PA promoter induced GFP expression up to 6-fold in all cell types tested in response to radiation doses within the clinical range. Conclusions These results suggest that the t-PA promoter may be incorporated into gene therapy strategies driving therapeutic transgenes in conjunction with radiation therapy. Copyright (C) 2008 John Wiley & Sons, Ltd.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Biomedical Sciences
Research Institutes and Groups:Biomedical Sciences Research Institute
Biomedical Sciences Research Institute > Molecular Medicine
Biomedical Sciences Research Institute > Molecular Medicine > Transcriptional Regulation & Epigenetics
ID Code:5827
Deposited By:Dr Jenny Worthington
Deposited On:04 Jan 2010 09:52
Last Modified:12 Mar 2013 16:10

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