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Opposing T cell responses in experimental autoimmune encephalomyelitis.

TitleOpposing T cell responses in experimental autoimmune encephalomyelitis.
Publication TypeJournal Article
Year of Publication2019
AuthorsSaligrama, Naresha, Zhao Fan, Sikora Michael J., Serratelli William S., Fernandes Ricardo A., Louis David M., Yao Winnie, Ji Xuhuai, Idoyaga Juliana, Mahajan Vinit B., Steinmetz Lars M., Chien Yueh-Hsiu, Hauser Stephen L., Oksenberg Jorge R., K Garcia Christopher, and Davis Mark M.
Date Published2019 Aug 07

Experimental autoimmune encephalomyelitis is a model for multiple sclerosis. Here we show that induction generates successive waves of clonally expanded CD4, CD8 and γδ T cells in the blood and central nervous system, similar to gluten-challenge studies of patients with coeliac disease. We also find major expansions of CD8 T cells in patients with multiple sclerosis. In autoimmune encephalomyelitis, we find that most expanded CD4 T cells are specific for the inducing myelin peptide MOG. By contrast, surrogate peptides derived from a yeast peptide major histocompatibility complex library of some of the clonally expanded CD8 T cells inhibit disease by suppressing the proliferation of MOG-specific CD4 T cells. These results suggest that the induction of autoreactive CD4 T cells triggers an opposing mobilization of regulatory CD8 T cells.

Alternate JournalNature
PubMed ID31391585