Rinsho Shinkeigaku
Online ISSN : 1882-0654
Print ISSN : 0009-918X
ISSN-L : 0009-918X
Gut environment and multiple sclerosis
Sachiko MiyakeDaisuke Noto
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2021 Volume 61 Issue 9 Pages 583-587

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Abstract

Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system (CNS) and T cell-mediated autoimmune processes are assumed to be involved in its pathogenesis. Recently, accumulating evidence has indicated that commensal bacteria interact with the host immune system and that the alteration of commensal bacteria composition, termed dysbiosis, is associated with various autoimmune diseases including CNS autoimmune diseases. The effect of gut microbiota on disease has been initially shown in experimental autoimmune encephalomyelitis (EAE), animal model of MS. Recent analysis of microbiota revealed dysbiosis in patients with MS including the reduction of short chain fatty acid (SCFA). Administration of SCFA ameliorates disease severity of EAE in association with the induction of regulatory T cells. Moreover metabolites of microbiota such as SCFA and tryptophan have been shown to influence glial functions in CNS. In this review, we introduce recent findings regarding the interaction between gut microbiota and MS both in EAE and MS.

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© 2021 Societas Neurologica Japonica
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