Reduction of astrogliosis by early treatment of pneumococcal meningitis measured by simultaneous imaging, in vivo, of the pathogen and host response
| Autor: | Steven G. Smith, Kshitij Modi, Olivier Coquoz, Jagath L. Kadurugamuwa, Pamela R. Contag, Tony Purchio, Brad Rice |
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| Rok vydání: | 2005 |
| Předmět: |
Genetically modified mouse
Immunology Mice Transgenic Microbiology Mice In vivo Genes Reporter Luciferases Firefly Glial Fibrillary Acidic Protein medicine Animals Luciferase Gliosis Promoter Regions Genetic Reporter gene Luminescent Agents Cellular Microbiology: Pathogen-Host Cell Molecular Interactions Glial fibrillary acidic protein biology Meningitis Pneumococcal Brain medicine.disease Virology Astrogliosis Anti-Bacterial Agents Disease Models Animal Infectious Diseases Streptococcus pneumoniae Astrocytes Luminescent Measurements biology.protein Parasitology Light emission Meningitis |
| Zdroj: | Infection and immunity. 73(12) |
| ISSN: | 0019-9567 |
| Popis: | We developed a method for simultaneous in vivo biophotonic monitoring of pneumococcal meningitis and the accompanying neuronal injury in live transgenic mice. Streptococcus pneumoniae engineered for bioluminescence ( lux ) was used for direct visualization of disease progression and antibiotic treatment in a mouse model of meningitis. The host response was monitored in transgenic mice containing an inducible firefly luciferase ( luc ) reporter gene under transcriptional control of the mouse glial fibrillary acidic protein (GFAP) promoter. Based on the different spectra of light emission and substrate requirements for lux and luc , we were able to separately monitor the two reporters using a highly sensitive in vivo imaging system. The level of neuronal damage and recovery following antibiotic treatment was dependent on the time of treatment. This model has potential for simultaneous multiparameter monitoring and testing of therapies that target the pathogen or host response to prevent neuronal injury and recovery. |
| Databáze: | OpenAIRE |
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