期刊
EXPERIMENTAL NEUROLOGY
卷 253, 期 -, 页码 197-207出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.expneurol.2013.12.024
关键词
Regeneration; Spinal cord injury; Axon growth cone; Glial scar; Hypertrophy; Chondroitin sulfate proteoglycans
资金
- NSF [DGE-0951783]
- Brumagin Memorial Fund
- Unite to Fight Paralysis
- SCIS
- [NINDS/NS025713]
Astrocytes react to CNS injury by building a dense wall of filamentous processes around the lesion. Stromal cells quickly take up residence in the lesion core and synthesize connective tissue elements that contribute to fibrosis. Oligodendrocyte precursor cells proliferate within the lesion and entrap dystrophic axon tips. Here we review evidence that this aggregate scar acts as the major barrier to regeneration of axons after injury. We also consider several exciting new interventions that allow axons to regenerate beyond the glial scar, and discuss the implications of this work for the future of regeneration biology. (C) 2014 Elsevier Inc. All rights reserved.
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