New insights into the role of IL-1b in experimental autoimmune encephalomyelitis and multiple sclerosis

Chih Chung Lin, Brian T. Edelson

Research output: Contribution to journalReview articlepeer-review

75 Scopus citations

Abstract

Multiple sclerosis (MS), and its animal model experimental autoimmune encephalomyelitis, are neuroinflammatory diseases driven by autoreactive pathogenic TH cells that elicit demyelination and axonal damage. How TH cells acquire pathogenicity and communicate with myeloid cells and cells of the CNS remain unclear. IL-1β is recognized to play an important role in experimental autoimmune encephalomyelitis (EAE) and perhaps MS. Clinical EAE is significantly attenuated in IL-1R-deficient and IL-1β-deficient mice, and IL-1β is found in the blood, cerebrospinal fluid, and CNS lesions of MS patients. In this article, we focus on new reports that elucidate the cellular sources of IL-1β and its actions during EAE, in both lymphoid tissues and within the CNS. Several immune cell types serve as critical producers of IL-1β during EAE, with this cytokine inducing response in both hematopoietic and nonhematopoietic cells. These findings from the EAE model should inspire efforts toward investigating the therapeutic potential of IL-1 blockade in MS.

Original languageEnglish
Pages (from-to)4553-4560
Number of pages8
JournalJournal of Immunology
Volume198
Issue number12
DOIs
StatePublished - Jun 15 2017

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