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Viral mouse models used to study multiple sclerosis: past and present
1Department of Pathology, University of Utah School of Medicine, 15 North Medical Drive East, 2600 EEJMRB, Salt Lake City, UT, 84112, USA.
Abstract:
Multiple sclerosis (MS) is a common inflammatory demyelinating disease of the central nervous system. Although the etiology of MS is unknown, genetics and environmental factors, such as infections, play a role. Viral infections of mice have been used as model systems to study this demyelinating disease of humans. Three viruses that have long been studied in this capacity are Theiler's murine encephalomyelitis virus, mouse hepatitis virus, and Semliki Forest virus. This review describes the viruses themselves, the infection process, the disease caused by infection and its accompanying pathology, and the model systems and their usefulness in studying MS.
Insights
This review explores viral infections in mice as models for studying multiple sclerosis (MS), a central nervous system inflammatory disease. It details specific viruses, their effects, and their utility in understanding MS pathology.
Area of Science:
- Neuroscience
- Immunology
- Virology
Background:
- Multiple sclerosis (MS) is a prevalent inflammatory demyelinating disease affecting the central nervous system.
- The exact cause of MS remains unknown, but genetic and environmental factors, including infections, are implicated.
- Viral infection models in mice are crucial for understanding human MS.
Purpose of the Study:
- To review the use of specific viral infection models in mice for studying multiple sclerosis.
- To describe the characteristics of Theiler's murine encephalomyelitis virus, mouse hepatitis virus, and Semliki Forest virus.
- To evaluate the relevance of these viral models in MS research.
Main Methods:
- Review of existing literature on viral infections and their use as models for multiple sclerosis.
- Description of viral pathogens, including their infection processes and induced pathologies.
- Analysis of the utility and limitations of each viral model system.
Main Results:
- Theiler's murine encephalomyelitis virus, mouse hepatitis virus, and Semliki Forest virus induce demyelinating diseases in mice.
- These viral models mimic aspects of MS pathology, including inflammation and demyelination.
- Each model offers unique insights into different facets of MS pathogenesis.
Conclusions:
- Viral infection models in mice provide valuable tools for investigating the mechanisms underlying multiple sclerosis.
- Understanding these viral models aids in developing therapeutic strategies for MS.
- Further research utilizing these models can elucidate the complex etiology of MS.
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