Immunomodulatory influence of bone marrow-derived mesenchymal stem cells on neuroinflammation in astrocyte cultures.

Autor: Schäfer S; Institute of Neuroscience (IoNS), Group of Neuropharmacology, Université catholique de Louvain, Av. Hippocrate 54, Brussels, Belgium., Calas AG, Vergouts M, Hermans E
Jazyk: angličtina
Zdroj: Journal of neuroimmunology [J Neuroimmunol] 2012 Aug 15; Vol. 249 (1-2), pp. 40-8. Date of Electronic Publication: 2012 May 24.
DOI: 10.1016/j.jneuroim.2012.04.018
Abstrakt: The therapeutic benefits associated with mesenchymal stem cells (MSCs) largely result from their immunomodulatory and neurotrophic properties. In this study, we evaluated the effects of MSCs on astrocyte cultures exposed to lipopolysaccharide. In response to this inflammatory trigger, astrocytes showed an increased expression of pro-inflammatory genes (IL-1β, TNFα, IL-6), which was attenuated by pre-exposure to MSC conditioned medium. Furthermore, mediators released by MSCs increased cell proliferation and altered the regulation of intermediate filaments (GFAP, vimentin), pro-inflammatory enzymes (iNOS, COX-2) and receptors (TLR4, CD14, mGluR3, mGluR5). These data demonstrate that MSCs influence diverse cell types participating in the response to neuroinflammation.
(Copyright © 2012 Elsevier B.V. All rights reserved.)
Databáze: MEDLINE
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