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- W2889702960 abstract "Following CNS demyelination, oligodendrocyte progenitor cells (OPCs) are able to differentiate into either remyelinating oligodendrocytes (OLs) or remyelinating Schwann cells (SCs). However, the signals that determine which type of remyelinating cell is generated and the underlying mechanisms involved have not been identified. Here, we show that distinctive microenvironments created in discrete niches within demyelinated white matter determine fate decisions of adult OPCs. By comparative transcriptome profiling we demonstrate that an ectopic, injury-induced perivascular niche is enriched with secreted ligands of the BMP and Wnt signalling pathways, produced by activated OPCs and endothelium, whereas reactive astrocyte within non-vascular area express the dual BMP/Wnt antagonist Sostdc1. The balance of BMP/Wnt signalling network is instructive for OPCs to undertake fate decision shortly after their activation: disruption of the OPCs homeostasis during demyelination results in BMP4 upregulation, which, in the absence of Socstdc1, favours SCs differentiation." @default.
- W2889702960 created "2018-09-27" @default.
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- W2889702960 date "2018-09-17" @default.
- W2889702960 modified "2023-10-11" @default.
- W2889702960 title "Injury-induced perivascular niche supports alternative differentiation of adult rodent CNS progenitor cells" @default.
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- W2889702960 doi "https://doi.org/10.7554/elife.30325" @default.
- W2889702960 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6141235" @default.
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