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Updated: Jun 2, 2026
Modeling Multiple Sclerosis in the Two Sexes: MOG35-55-Induced Experimental Autoimmune Encephalomyelitis
Published on: October 13, 2023
Experimental models of multiple sclerosis
1Department of Neurology and Neuroscience, UMDNJ-New Jersey Medical School, Newark, New Jersey 07103, USA. pachner@umdnj.edu
Purpose Of Review:
Multiple sclerosis (MS) is a disease of the central nervous system of unknown cause. There are many medications available for the disease, but none are clearly effective in ameliorating its long-term disabling effects. MS is felt to be most likely either due to an aberrant immune response or a pathogen, or possibly a combination of the two, and the animal models available reflect these two possible pathogeneses. The hallmarks of the disease are demyelination, inflammation, axonal injury, and progressive disability. This review explores the experimental models of multiple sclerosis.
Recent Findings:
There are a variety of forms of experimental allergic encephalomyelitis, the most commonly studied animal model of MS. Two viruses, Theiler's murine encephalomyelitis virus and murine hepatitis virus, are used to induce infectious models of the disease.
Summary:
The animal models have their advantages and disadvantages, but no model fully reproduces the spectrum of the human disease.
Insights
Experimental models for multiple sclerosis (MS) are reviewed, including autoimmune and infectious types. While valuable, no single animal model fully replicates the complexity of human MS disease progression.
Area of Science:
- Neuroscience
- Immunology
- Pathology
Background:
- Multiple sclerosis (MS) is a central nervous system disease with unknown etiology.
- Current treatments for MS do not fully address long-term disability.
- Key pathological features include demyelination, inflammation, axonal injury, and progressive disability.
Purpose of the Study:
- To review and explore the various experimental models used to study multiple sclerosis.
- To understand how these models reflect potential causes of MS, such as immune responses or pathogens.
Main Methods:
- Review of established experimental allergic encephalomyelitis (EAE) models.
- Examination of infectious models utilizing viruses like Theiler's murine encephalomyelitis virus and murine hepatitis virus.
Main Results:
- Experimental allergic encephalomyelitis encompasses various forms and is the most studied MS model.
- Viral-induced models, using specific murine viruses, offer an alternative approach to studying MS pathogenesis.
Conclusions:
- Existing animal models offer insights into MS but possess limitations.
- No single experimental model completely replicates the full spectrum of human multiple sclerosis pathology and progression.
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