Stage-specific role of interferon-gamma in experimental autoimmune encephalomyelitis and multiple sclerosis
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2015Metadata
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Arellano, Gabriel
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Stage-specific role of interferon-gamma in experimental autoimmune encephalomyelitis and multiple sclerosis
Abstract
The role of interferon (IFN)-gamma in multiple sclerosis (MS) and its animal model, experimental autoimmune encephalomyelitis (EAE), has remained as an enigmatic paradox for more than 30 years. Several studies attribute this cytokine a prominent proinflammatory and pathogenic function in these pathologies. However, accumulating evidence shows that IFN-gamma also plays a protective role inducing regulatory cell activity and modulating the effector T cell response. Several innate and adaptive immune cells also develop opposite functions strongly associated with the production of IFN-gamma in EAE. Even the suppressive activity of different types of regulatory cells is dependent on IFN-gamma Interestingly, recent data supports a stage-specific participation of IFN-gamma in EAE providing a plausible explanation for previous conflicting results. In this review, we will summarize and discuss such literature, emphasizing the protective role of IFN-gamma on immune cells. These findings are fundamental to understand the complex role of IFN-gamma in the pathogenesis of these diseases and can provide basis for potential stage-specific therapy for MS targeting IFN-gamma-signaling or IFN-gamma producing immune cells.
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Artículo de publicación ISI
Patrocinador
DIUSS
2012-0004-R
FONDECYT
1140049
1141211
CONICYT Doctoral fellowship
21130452
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Front. Immunol. 6:492 sep 2015
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