Opposing roles of interferon-gamma on cells of the central nervous system in autoimmune neuroinflammation
Author
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Ottum, Payton A.
Author
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Arellano, Gabriel
Author
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Reyes, Lilian I.
Author
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Iruretagoyena, Mirentxu
Author
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Naves, Rodrigo
Admission date
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2016-01-05T15:01:03Z
Available date
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2016-01-05T15:01:03Z
Publication date
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2015
Cita de ítem
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Frontiers in Immunology 6:539; 2015
en_US
Identifier
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DOI: 10.3389/fimmu.2015.00539
Identifier
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https://repositorio.uchile.cl/handle/2250/136171
General note
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Artículo de publicación ISI
en_US
Abstract
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Multiple sclerosis (MS) is the principal cause of autoimmune neuroinflammation in humans, and its animal model, experimental autoimmune encephalomyelitis (EAE), is widely used to gain insight about their immunopathological mechanisms for and the development of novel therapies for MS. Most studies on the role of interferon (IFN)-gamma in the pathogenesis and progression of EAE have focused on peripheral immune cells, while its action on central nervous system (CNS)-resident cells has been less explored. In addition to the well-known proinflammatory and damaging effects of IFN-gamma in the CNS, evidence has also endowed this cytokine both a protective and regulatory role in autoimmune neuroinflammation. Recent investigations performed in this research field have exposed the complex role of IFN-gamma in the CNS uncovering unexpected mechanisms of action that underlie these opposing activities on different CNS-resident cell types. The mechanisms behind these two-faced effects of IFN-gamma depend on dose, disease phase, and cell development stage. Here, we will review and discuss the dual role of IFN-gamma on CNS-resident cells in EAE highlighting its protective functions and the mechanisms proposed.