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Neuroprotection dans des modèles animaux de la sclérose en plaques : évaluation pluridisciplinaire de la capacité du XBD173, un ligand du translocator protein, à améliorer les symptômes cliniques et les marqueurs neuropathologiques

Abstract : Multiple sclerosis (MS) is a chronic inflammatory autoimmune disease affecting the central myelin. Progress has been made for MS treatment, but effective neuroprotective drugs against MS-evoked axonal damages and severe disability are still missing. This thesis assessed the potential of XBD173, a ligand of the translocator protein controlling neurosteroidogenesis and neuroinflammation, to improve symptoms in the proteolipid protein-induced MS model (EAE-PLP mice) that mimics the relapsing-remitting form affecting 85% of MS patients. Our results show that XBD173 at low dose decreases serum levels of pro-inflammatory interleukins, prevents the repression of myelin and axonal markers, and also ameliorates clinical deficits in EAE-PLP mice. The beneficial effect of XBD173 against clinical symptoms was also observed in the EAE-MOG mice mimicking the progressive MS. Promising perspectives are open for the development of effective strategies against MS with little or no serious side effects.
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Submitted on : Tuesday, March 27, 2018 - 1:26:07 PM
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Géraldine Leva. Neuroprotection dans des modèles animaux de la sclérose en plaques : évaluation pluridisciplinaire de la capacité du XBD173, un ligand du translocator protein, à améliorer les symptômes cliniques et les marqueurs neuropathologiques. Neurobiologie. Université de Strasbourg, 2017. Français. ⟨NNT : 2017STRAJ076⟩. ⟨tel-01744411⟩

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