Mesenchymal stem cells lack efficacy in the treatment of experimental autoimmune neuritis despite in vitro inhibition of T-cell proliferation
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Mesenchymal stem cells have been demonstrated to ameliorate experimental autoimmune encephalomyelitis (EAE), a model of multiple sclerosis, prompting clinical trials in multiple sclerosis which are currently ongoing. An important question is whether this therapeutic effect generalises to other autoimmune neurological diseases. We performed two trials of efficacy of MSCs in experimental autoimmune neuritis (EAN) in Lewis (LEW/Han MHsd) rats, a model of human autoimmune inflammatory neuropathies. No differences between the groups were found in clinical, histological or electrophysiological outcome measures. This was despite the ability of mesenchymal stem cells to inhibit proliferation of CD4+ T-cells in vitro. Therefore the efficacy of MSCs observed in autoimmune CNS demyelination models do not necessarily generalise to the treatment of other forms of neurological autoimmunity.
Sajic , M , Hunt , D P J , Lee , W , Compston , D A S , Schweimer , J V , Gregson , N A , Chandran , S & Smith , K J 2012 , ' Mesenchymal stem cells lack efficacy in the treatment of experimental autoimmune neuritis despite in vitro inhibition of T-cell proliferation ' , PLoS ONE , vol. 7 , no. 2 , e30708 . https://doi.org/10.1371/journal.pone.0030708
Copyright: © 2012 Sajic et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
DescriptionDH is funded by a Brain entrance scholarship (Guarantors of Brain) and by the Wellcome Trust. KJS is funded by the Medical Research Council, United Kingdom, the Multiple Sclerosis Society of Great Britian & Northern Ireland, the European Union (FP6 NeuroproMiSe) and the Brain Research Trust. SC is supported by the National Institute for Health Research Biomedical Research.
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