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Article Dans Une Revue Glia Année : 2020

Schwann cells: Rescuers of central demyelination

Résumé

The presence of peripheral myelinating cells in the central nervous system (CNS) has gained the neurobiologist attention over the years. Despite the confirmed presence of Schwann cells in the CNS in pathological conditions, and the long list of their beneficial effects on central remyelination, the cues that impede or allow Schwann cells to successfully conquer and remyelinate central axons remain partially undiscovered. A better knowledge of these factors stands out as crucial to foresee a rational therapeutic approach for the use of Schwann cells in CNS repair. Here, we review the diverse origins of Schwann cells into the CNS, both peripheral and central, as well as the CNS components that inhibit Schwann survival and migration into the central parenchyma. Namely, we analyze the astrocyte- and the myelin-derived components that restrict Schwann cells into the CNS. Finally, we highlight the unveiled mode of invasion of these peripheral cells through the central environment, using blood vessels as scaffolds to pave their ways toward demyelinated lesions. In short, this review presents the so far uncovered knowledge of this complex CNS-peripheral nervous system (PNS) relationship.
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Dates et versions

hal-02988052 , version 1 (04-11-2020)

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Beatriz Garcia‐diaz, Anne Baron‐van Evercooren. Schwann cells: Rescuers of central demyelination. Glia, 2020, 68 (10), pp.1945-1956. ⟨10.1002/glia.23788⟩. ⟨hal-02988052⟩
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