期刊
AMERICAN JOURNAL OF PATHOLOGY
卷 185, 期 9, 页码 2431-2440出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ajpath.2015.05.011
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资金
- UK Multiple Sclerosis Society [941]
- Brazilian National Council for Scientific and Technology Development (CNPq) [200993/2010-0, 201797/2011-9]
- Ciencia Sem Fronteiras
Remyelination within the central nervous system (CNS) most often is the result of oligodendrocyte progenitor cells differentiating into myelin-forming oligodendrocytes. In some cases, however, Schwann cells, the peripheral nervous system myelinating Oa, are found remyelinating demyeLinated regions of the CNS. The reason for this peripheral type of remyeLination in the CNS and what governs it is unknown. Here, we used a conditional astrocytic phosphorylated signal transducer and activator of transcription 3 knockout mouse model to investigate the effect of abrogating astrocyte activation on remyelination after lysolecithin-induced demyeLination of spinal cord white matter. We show that oligodendrocyte-mediated remyelination decreases and Schwann cell remyelination increases in tesioned knockout mice in comparison with Lesioned controls. Our study shows that astrocyte activation plays a crucial role in the balance between Schwann cell and oligodendrocyte remyetination in the CNS, and provides further insight into remyelination of CNS axons by Schwann cells.
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