期刊
JOURNAL OF IMMUNOLOGY
卷 178, 期 3, 页码 1372-1378出版社
AMER ASSOC IMMUNOLOGISTS
DOI: 10.4049/jimmunol.178.3.1372
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- NIAID NIH HHS [AI-47756] Funding Source: Medline
- NINDS NIH HHS [NS-39434] Funding Source: Medline
In experimental autoimmune encephalomyelitis (EAE), the production of proinflammatory cytokines by neuroantigen-specific T cells is thought to initiate and maintain the inflammatory autoimmune pathology. Because gene knockout strategies have shown that IFN-gamma and TNF are not essential for EAE development, there is increasing interest in establishing the role of other proinflammatory cytokines, primarily IL-17 in EAE. We used an IL-17 ELISPOT assay to track the neuroantigen-specific IL-17-producing T cells at single-cell resolution in various organs of SJL mice undergoing PLP 139-151-induced EAE. Overall, the migration patterns and population kinetics of the PLP 139-151-specific IL-17-producing CD4 cells were reminiscent of the IFN-gamma-producing cells, with the exception of IL-17 producers far outnumbering the IFN-gamma and IL-2 producers in the inflamed CNS. The selective enrichment of IL-17-producing CD4 cells in the CNS is suggestive of the pathogenic role of an independent (non-Th1) IL-17-producing proinflammatory effector T cell class in EAE.
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