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T-bet or not T-bet: Taking the last bow on the autoimmunity stage


Spath, Sabine; Becher, Burkhard (2013). T-bet or not T-bet: Taking the last bow on the autoimmunity stage. European Journal of Immunology, 43(11):2810-2813.

Abstract

The search for the encephalitogenic factor driving pathogenic T cells in autoimmune diseases such as rheumatoid arthritis, multiple sclerosis (MS), and psoriasis has proven to be a long and difficult mission, which is not yet completed. In this issue of the European Journal of Immunology, the importance of the transcription factor T-bet, previously shown to be essential for the induction of autoimmune disease in mice, is challenged. Two independent groups, O'Connor et al. [Eur. J. Immunol. 2013. 43:2818-2823] report] and Grifka-Walk et al. [Eur. J. Immunol. 2013. 43:2824-2831], report that T-bet is not mandatory for T cells to cause experimental autoimmune encephalomyelitis (EAE), which serves as a paradigmatic T-cell-mediated autoimmune disease. Both groups found that T-bet KO mice were fully susceptible to develop EAE, both after immunization with self-antigen and after adoptive transfer of IL-23-polarized autoaggressive T cells. T-bet deficiency mediated the loss of IFN-γ expression but retained or even enhanced GM-CSF and IL-17 production by central nervous system (CNS)-infiltrating T cells. These findings indicate that we have lost the last transcriptional regulator previously held to be required for the generation of autoimmune pathogenic T cells.

Abstract

The search for the encephalitogenic factor driving pathogenic T cells in autoimmune diseases such as rheumatoid arthritis, multiple sclerosis (MS), and psoriasis has proven to be a long and difficult mission, which is not yet completed. In this issue of the European Journal of Immunology, the importance of the transcription factor T-bet, previously shown to be essential for the induction of autoimmune disease in mice, is challenged. Two independent groups, O'Connor et al. [Eur. J. Immunol. 2013. 43:2818-2823] report] and Grifka-Walk et al. [Eur. J. Immunol. 2013. 43:2824-2831], report that T-bet is not mandatory for T cells to cause experimental autoimmune encephalomyelitis (EAE), which serves as a paradigmatic T-cell-mediated autoimmune disease. Both groups found that T-bet KO mice were fully susceptible to develop EAE, both after immunization with self-antigen and after adoptive transfer of IL-23-polarized autoaggressive T cells. T-bet deficiency mediated the loss of IFN-γ expression but retained or even enhanced GM-CSF and IL-17 production by central nervous system (CNS)-infiltrating T cells. These findings indicate that we have lost the last transcriptional regulator previously held to be required for the generation of autoimmune pathogenic T cells.

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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:04 Faculty of Medicine > Institute of Experimental Immunology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:2013
Deposited On:16 Dec 2013 10:04
Last Modified:05 Apr 2016 17:15
Publisher:Wiley-VCH Verlag Berlin
ISSN:0014-2980
Publisher DOI:https://doi.org/10.1002/eji.201344109
PubMed ID:24142468

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