NDT Advance Access originally published online on November 28, 2007
Nephrology Dialysis Transplantation 2008 23(3):816-819; doi:10.1093/ndt/gfm800
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© The Author [2007]. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org
Th17 cells: a third subset of CD4+ T effector cells involved in organ-specific autoimmunity
Institute of Molecular Medicine and Experimental Immunology (IMMEI), Friedrich-Wilhelms-Universität, 53105 Bonn, Germany
Christian Kurts, Institute of Molecular Medicine and Experimental Immunology (IMMEI), Friedrich-Wilhelms-Universität, 53105 Bonn, Germany. Tel: +49-228-287-11031; Fax: +49-228-287-11052; E-mail: ckurts@web.de
Keywords: autoimmunity; cytokines; dendritic cells; interleukin 17; T cells
| The first 150 words of the full text of this article appear below. |
| The Th1/Th2 paradigm in immunity |
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CD4+ T helper cells orchestrate and regulate adaptive immune responses. From a functional perspective, they can be classified into CD4+ regulatory T cells (Treg) that show immunosuppressive activity and into CD4+ T effector cells that combat infectious pathogens. An important aspect of antimicrobial activity is the choice of the appropriate weaponry suitable to combat a particular class of pathogens. This selection is facilitated by distinct subsets of CD4+ T effector cells that produce cytokines to which the respective immune effectors are responsive. Thus, type 1 CD4+ T effector cells (Th1 cells) secrete IFN
and TNF
to recruit macrophages for combating bacterial infections [27], or IL-2 to license cytotoxic CD8+ T cells for killing virally infected cells [8]. They also stimulate B cells to produce opsonizing and neutralizing antibodies that intercept circulating pathogens. In contrast, Th2 cells secrete IL-4, IL-5 and IL-13 to recruit a different | A novel CD4+ T-effector-cell subset distinct from Th1 and Th2 |
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| Differentiation and molecular regulation of Th17 cells |
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| Role of Th17 cells in autoimmunity |
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| Current concepts on the role of Th17 cells in immunity |
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| Concluding remarks |
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