Abstract:Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system. Despite IL-17A being linked to the immunopathogenesis of MS, the mechanism of IL-17A in disease development and maintenance is unclear. In the present study, we investigated the association of IL-17A and gut microbiota in disease development and severity, utilizing HLA-DR3 transgenic mice lacking IL-17A (IL-17A−/−). We found that HLA-DR3.IL-17A−/− mice had a higher frequency of CD4+CD25+FoxP3+ Treg cells and develop… Show more
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