期刊
JOURNAL OF IMMUNOLOGY
卷 188, 期 11, 页码 5785-5791出版社
AMER ASSOC IMMUNOLOGISTS
DOI: 10.4049/jimmunol.1200109
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资金
- National Institutes of Health [EY018827, EY017373, EY003040]
In the current study, we showed that in vivo administration of an anti-CD25 Ab (PC61) decreased the Th17 response in C57BL/6 mice immunized with the uveitogenic peptide interphotoreceptor retinoid-binding protein (1-20), while enhancing the autoreactive Th1 response. The depressed Th17 response was closely associated with decreased numbers of a splenic dendritic cell (DC) subset expressing CD11c(+)CD3(-)CD25(+) and decreased expansion of gamma delta T cells. We demonstrated that ablation of the CD25(+) DC subset accounted for the decreased activation and the expansion of gamma delta T cells, leading to decreased activation of IL-17(+) interphotoreceptor retinoid-binding protein-specific T cells. Our results show that an enhanced Th17 response in an autoimmune disease is associated with the appearance of a DC subset expressing CD25 and that treatment of mice with anti-CD25 Ab causes functional alterations in a number of immune cell types, namely DCs and gamma delta T cells, in addition to CD25(+)alpha beta TCR+ regulatory T cells. The Journal of Immunology, 2012,188: 5785-5791.
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