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Updated: Aug 15, 2026
Induction of Experimental Autoimmune Encephalomyelitis in Mice and Evaluation of the Disease-dependent Distribution of Immune Cells in Various Tissues
Published on: May 8, 2016
Cutting edge: macrophage migration inhibitory factor is necessary for progression of experimental autoimmune
Nicole D Powell1, Tracey L Papenfuss, Melanie A McClain
1Department of Molecular Virology, Immunology, and Medical Genetics, The Ohio State University, Columbus, OH 43210, USA.
Abstract:
Macrophage migration inhibitory factor (MIF) has been implicated in the pathogenesis of inflammatory and autoimmune diseases. The role of MIF in the progression of experimental autoimmune encephalomyelitis (EAE) was explored using MIF-/- mice. Wild-type mice showed a progressive disease course, whereas MIF-/- mice exhibited acute signs but no further progression of clinical disease. MIF-/- mice displayed markedly elevated corticosterone levels and significant decreases in the inflammatory cytokines TNF-alpha, IFN-gamma, IL-2, and IL-6 before, during, and after EAE onset. Taken together, these findings support that MIF is an important mediator of EAE progression through glucocorticoid antagonism and up-regulation of the inflammatory response.
Insights
Macrophage migration inhibitory factor (MIF) drives autoimmune disease progression by counteracting anti-inflammatory responses. Eliminating MIF in mice reduced disease severity and inflammatory cytokine levels.
Area of Science:
- Immunology
- Neuroscience
- Endocrinology
Background:
- Macrophage migration inhibitory factor (MIF) is a key mediator in inflammatory and autoimmune diseases.
- Experimental autoimmune encephalomyelitis (EAE) serves as a model for multiple sclerosis, an autoimmune neurological disorder.
Purpose of the Study:
- To investigate the role of MIF in the pathogenesis and progression of EAE.
- To determine the impact of MIF deficiency on clinical disease course and inflammatory markers in EAE.
Main Methods:
- Utilized MIF knockout (MIF-/-) mice and wild-type littermates in an EAE model.
- Monitored clinical disease progression and measured corticosterone and inflammatory cytokine levels (TNF-alpha, IFN-gamma, IL-2, IL-6).
Main Results:
- MIF-/- mice showed acute EAE signs but no disease progression, unlike wild-type mice.
- MIF-/- mice exhibited significantly elevated corticosterone levels.
- Deficiency in MIF led to decreased levels of key inflammatory cytokines (TNF-alpha, IFN-gamma, IL-2, IL-6) during EAE.
Conclusions:
- MIF plays a critical role in mediating the progression of EAE.
- MIF appears to promote EAE by antagonizing glucocorticoid effects and enhancing the inflammatory response.
