Journal
CURRENT OPINION IN NEUROLOGY
Volume 24, Issue 3, Pages 291-299Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WCO.0b013e328346c226
Keywords
animal models; autoimmunity; demyelination; multiple sclerosis; virus
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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.
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