Coronin 1-Mediated Naive T Cell Survival Is Essential for the Development of Autoimmune Encephalomyelitis

Siegmund, Kerstin and Zeis, Thomas and Kunz, Gabriele and Rolink, Ton and Schaeren-Wiemers, Nicole and Pieters, Jean. (2011) Coronin 1-Mediated Naive T Cell Survival Is Essential for the Development of Autoimmune Encephalomyelitis. Journal of Immunology, 186 (6). pp. 3452-3461.

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Official URL: http://edoc.unibas.ch/dok/A5844601

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Autoimmune encephalomyelitis is a disease of the CNS that can develop when an initial peripheral inflammatory stimulus is followed by infiltration and reactivation of T lymphocytes in the CNS. We report a crucial role for coronin 1, which is essential for maintenance of the naive T cell pool, for the development of murine experimental autoimmune encephalomyelitis (EAE), a model for multiple sclerosis. In the absence of coronin 1, immunization with myelin oligoglycoprotein (MOG(35-55)) peptide largely failed to induce EAE symptoms, despite normal mobilization of leukocyte subsets in the blood, as well as effector cytokine expression comparable with wild-type T cells on polyclonal stimulation. Susceptibility of coronin 1-deficient mice to EAE induction was restored by transfer of wild-type CD4(+) T cells, suggesting that the observed resistance of coronin 1-deficient mice to EAE development is T cell intrinsic. Importantly, although coronin 1-deficient regulatory T cells (Tregs) showed a suppressor activity comparable with wild-type Tregs, Treg depletion failed to restore EAE development in coronin 1-deficient animals. These results suggest a hitherto unrecognized role of naive T cells in the development of autoimmune encephalomyelitis and reveal coronin 1 as a crucial modulator of EAE induction.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel > Neurobiology (Schaeren-Wiemers)
03 Faculty of Medicine > Departement Biomedizin > Former Units at DBM > Developmental and Molecular Immunology (Rolink)
UniBasel Contributors:Rolink, Antonius G. and Schaeren-Wiemers, Nicole
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Association of Immunologists
Note:Publication type according to Uni Basel Research Database: Journal article -- The final publication is available at Journal of Immunology, See DOI link
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Last Modified:02 Mar 2017 07:31
Deposited On:08 Jun 2012 06:42

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