Transgenic Reporter Mouse for Bioluminescence Imaging of Herpes Simplex Virus 1 Infection in Living Mice.
From: Department of Radiology, University of Michigan Medical School, Ann Arbor, MI 48109-0648, USA.
Virology
- Publish Date: Apr 2006
- ISSN: 0042-6822
- Volume: 347
- Issue: 2
- Pages: 286-95
- Medium: Print
- Language: English
- Citation (JAMA): Luker Kathryn E, Schultz Tracey, Romine Joseph, et al. Transgenic Reporter Mouse for Bioluminescence Imaging of Herpes Simplex Virus 1 Infection in Living Mice.. Virology Apr 2006;347:286-95
Abstract
Bioluminescence imaging allows spatial and temporal progression of viral infection to be detected and quantified in living mice, thereby providing a new approach for studies of viral-host pathogenesis. It has been necessary to construct and validate recombinant reporter viruses that express firefly luciferase to investigate viral replication and spread with this imaging technology. This strategy greatly limits the ability to analyze multiple strains of virus and/or existing viral mutants, and reporter viruses also may be attenuated relative to the respective parental viruses. To facilitate bioluminescence imaging of herpes simplex virus type 1 (HSV-1), we developed a transgenic reporter mouse that uses the promoter from HSV-1 thymidine kinase to control expression of firefly luciferase. Infection with HSV-1 activated expression of firefly luciferase in corneal and flank models of infection, and amounts of bioluminescence increased in proportion to increasing input titers of virus. Imaging could detect infection with three different strains of HSV-1 with the following relative rank order of bioluminescence produced at the site of infection: McKrae > 17 > KOS. Corneal infection with as few as 1 x 10(3) pfu strain McKrae was detectable above background levels. By comparison, infection with vaccinia virus did not affect bioluminescence in the reporter mouse. Collectively, these data establish a new transgenic reporter mouse for infection with HSV-1, thereby enabling in vivo bioluminescence imaging studies of HSV-1 pathogenesis without constructing new reporter viruses.
Mesh Headings (Keywords): Animals, Cercopithecus aethiops, Genes, Reporter, Herpesvirus 1, Human, Luminescent Measurements, Luminescent Proteins, Mice, Mice, Transgenic, Thymidine Kinase, Vero Cells
Check for Full Text / PubMed Unique Identifier (PMID): 16430938
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