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Clinical Cancer Research, Vol 1, Issue 6 651-657, Copyright © 1995 by American Association for Cancer Research

ARTICLES

Assessment of ganciclovir toxicity to experimental intracranial gliomas following recombinant adenoviral-mediated transfer of the herpes simplex virus thymidine kinase gene by magnetic resonance imaging and proton magnetic resonance spectroscopy

BD Ross, B Kim and BL Davidson
Departments of Radiology, Biological Chemistry, and Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109-0553, USA.

Magnetic resonance imaging and in vivo localized H magnetic resonance spectroscopy were used to evaluate a gene therapy approach for treating experimental brain tumors. This approach involved the use of an adenoviral vector to transfer the herpes simplex virus thymidine kinase (HSVtk) gene into intracerebral 9L gliosarcomas in rats followed by systemic administration of the antiherpetic agent ganciclovir. Magnetic resonance imaging quantitation of changes in intracranial 9L tumor doubling times revealed a significant variation in therapeutic response. Localized H magnetic resonance spectra of 9L tumors treated with Ad.RSVtk/ganciclovir revealed a dramatic increase in the resonance intensity at 0.9-1.3 ppm, corresponding to mobile lipids and/or lactate. Changes in intracranial tumor doubling times correlated with changes in H tumor magnetic resonance spectra, suggesting that specific changes in tumor metabolite levels may be predictive of the effectiveness of this gene therapy approach.


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T. Miyagawa, T. Oku, T. Sasajima, R. Dasai, B. Beattie, R. Finn, J. G. Tjuvajev, and R. Blasberg
Assessment of Treatment Response by Autoradiography with 14C-Aminocyclopentane Carboxylic Acid, 67Ga-DTPA, and 18F-FDG in a Herpes Simplex Virus Thymidine Kinase/Ganciclovir Brain Tumor Model
J. Nucl. Med., November 1, 2003; 44(11): 1845 - 1854.
[Abstract] [Full Text] [PDF]

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C. Nichol and E. E. Kim
Molecular Imaging and Gene Therapy
J. Nucl. Med., September 1, 2001; 42(9): 1368 - 1374.
[Abstract] [Full Text] [PDF]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Cancer Research Clinical Cancer Research
Cancer Epidemiology Biomarkers & Prevention Molecular Cancer Therapeutics
Molecular Cancer Research Cancer Prevention Research
Cancer Prevention Journals Portal Cancer Reviews Online
Annual Meeting Education Book Meeting Abstracts Online
Copyright © 1995 by the American Association for Cancer Research.