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Related Experiment Videos

Relapsing murine experimental allergic encephalomyelitis induced by myelin basic protein.

R B Fritz, C H Chou, D E McFarlin

    Journal of Immunology (Baltimore, Md. : 1950)
    |March 1, 1983
    PubMed
    Summary

    In mice, experimental allergic encephalomyelitis (EAE) induced by myelin basic protein (MBP) can lead to frequent paralytic relapses, challenging the typical acute monophasic disease model. This finding offers new insights into recurrent autoimmune CNS disease models.

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    Area of Science:

    • Neuroimmunology
    • Autoimmune Diseases

    Background:

    • Experimental allergic encephalomyelitis (EAE) serves as a model for multiple sclerosis (MS).
    • Typically, EAE in adult animals induced by myelin basic protein (MBP) presents as an acute, single episode, with resistance to subsequent challenge.
    • Previous studies have reported exceptions, including mild relapses in rats and chronic relapsing EAE in mice, sometimes requiring whole CNS tissue.

    Purpose of the Study:

    • To investigate the frequent occurrence of paralytic relapses in (SJL/J X PL/J)F1 (SPL F1) mice after recovery from MBP-induced EAE.
    • To examine the phenomenon of recurrent EAE in a specific mouse hybrid model.

    Main Methods:

    • Induction of EAE in SJL/J, PL/J, and SPL F1 mice using purified MBP.
    • Observation and documentation of disease progression, including initial symptoms, recovery, and subsequent relapses.

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    Main Results:

    • SPL F1 mice frequently exhibited paralytic relapses after initial recovery from MBP-induced EAE symptoms.
    • This observation contrasts with the generally acute, monophasic course of EAE typically seen in adult animals after MBP immunization.

    Conclusions:

    • The SPL F1 mouse model demonstrates a propensity for recurrent EAE following MBP immunization.
    • This finding suggests that specific genetic backgrounds, like the SPL F1 hybrid, may be crucial for inducing chronic or relapsing forms of EAE, offering a valuable model for studying recurrent autoimmune CNS conditions.