Article (Scientific journals)
Switching on the lights for gene therapy.
Winkeler, Alexandra; Sena-Esteves, Miguel; Paulis, Leonie E M et al.
2007In PLoS ONE, 2 (6), p. 528
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Keywords :
RNA, Messenger; enhanced green fluorescent protein; Green Fluorescent Proteins; Thymidine Kinase; Animals; Blotting, Western; Brain Neoplasms/genetics; Brain Neoplasms/metabolism; Brain Neoplasms/therapy; Genetic Vectors; Glioma/genetics; Glioma/metabolism; Glioma/therapy; Green Fluorescent Proteins/genetics; Green Fluorescent Proteins/metabolism; Herpesvirus 1, Human/genetics; Humans; Magnetic Resonance Imaging; Mice; Mice, Nude; Positron-Emission Tomography; RNA, Messenger/genetics; RNA, Messenger/metabolism; Reverse Transcriptase Polymerase Chain Reaction; Thymidine Kinase/genetics; Thymidine Kinase/metabolism; Tumor Cells, Cultured; Genetic Therapy; Luminescence; Multidisciplinary
Abstract :
[en] Strategies for non-invasive and quantitative imaging of gene expression in vivo have been developed over the past decade. Non-invasive assessment of the dynamics of gene regulation is of interest for the detection of endogenous disease-specific biological alterations (e.g., signal transduction) and for monitoring the induction and regulation of therapeutic genes (e.g., gene therapy). To demonstrate that non-invasive imaging of regulated expression of any type of gene after in vivo transduction by versatile vectors is feasible, we generated regulatable herpes simplex virus type 1 (HSV-1) amplicon vectors carrying hormone (mifepristone) or antibiotic (tetracycline) regulated promoters driving the proportional co-expression of two marker genes. Regulated gene expression was monitored by fluorescence microscopy in culture and by positron emission tomography (PET) or bioluminescence (BLI) in vivo. The induction levels evaluated in glioma models varied depending on the dose of inductor. With fluorescence microscopy and BLI being the tools for assessing gene expression in culture and animal models, and with PET being the technology for possible application in humans, the generated vectors may serve to non-invasively monitor the dynamics of any gene of interest which is proportionally co-expressed with the respective imaging marker gene in research applications aiming towards translation into clinical application.
Disciplines :
Oncology
Author, co-author :
Winkeler, Alexandra;  Laboratory for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Department of Neurology, University of Cologne, Cologne, Germany
Sena-Esteves, Miguel;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Paulis, Leonie E M;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Li, Hongfeng;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Waerzeggers, Yannic;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Rückriem, Benedikt;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Himmelreich, Uwe;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Klein, Markus;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Monfared, Parisa;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Rueger, Maria A;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
HENEKA, Michael  ;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Vollmar, Stefan;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Hoehn, Mathias;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Fraefel, Cornel;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Graf, Rudolf;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Wienhard, Klaus;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Heiss, Wolf D;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
Jacobs, Andreas H;  Lab. for Gene Therapy and Molecular Imaging at the Max Planck-Institute for Neurological Research, Center for Molecular Medicine (CMMC) and Departments of Neurology and Radiology, The University of Cologne, Cologne, Germany
More authors (8 more) Less
External co-authors :
yes
Language :
English
Title :
Switching on the lights for gene therapy.
Publication date :
13 June 2007
Journal title :
PLoS ONE
eISSN :
1932-6203
Publisher :
Public Library of Science (PLoS), United States
Volume :
2
Issue :
6
Pages :
e528
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
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