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To what extent is oligodendrocyte progenitor migration a limiting factor in the remyelination of multiple sclerosis
1MRC Cambridge Centre for Brain Repair and Department of Clinical Veterinary Medicine, University of Cambridge, UK.
Abstract:
In this article we describe a series of experimental approaches, involving the use of gliotoxin-induced demyelination, X-irradiation and glial cell transplantation, which examine the size of the area around demyelinating lesions from which new remyelinating cells are generated, and the distance over which they are able to migrate. Taken together, these studies suggest that the recruitment of remyelinating cells takes place over a very limited area and that long distance migration of remyelinating cells is not a feature of remyelination. The implications of these findings for spontaneous remyelination of multiple sclerosis plaques, and the development of strategies for enhancing remyelination are discussed.