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von Streitberg, A.* ; Jäkel, S.* ; Eugenin von Bernhardi, J.* ; Straube, C.* ; Buggenthin, F. ; Marr, C. ; Dimou, L.*

NG2-glia transiently overcome their homeostatic network and contribute to wound closure after brain injury.

Front. Cell Dev. Biol. 9:662056 (2021)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
In the adult brain, NG2-glia represent a cell population that responds to injury. To further investigate if, how and why NG2-glia are recruited to the injury site, we analyzed in detail the long-term reaction of NG2-glia after a lesion by time-lapse two-photon in vivo microscopy. Live imaging over several weeks of GFP-labeled NG2-glia in the stab wounded cerebral cortex revealed their fast and heterogeneous reaction, including proliferation, migration, polarization, hypertrophy, or a mixed response, while a small subset of cells remained unresponsive. At the peak of the reaction, 2-4 days after the injury, NG2-glia accumulated around and within the lesion core, overcoming the homeostatic control of their density, which normalized back to physiological conditions only 4 weeks after the insult. Genetic ablation of proliferating NG2-glia demonstrated that this accumulation contributed beneficially to wound closure. Thus, NG2-glia show a fast response to traumatic brain injury (TBI) and participate in tissue repair.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter In Vivo Two-photon Imaging ; Migration ; Polarization ; Proliferation ; Stab Wound Injury; Oligodendrocyte Precursor Cells; Motor Cortex; Axon Growth; Ng2 Cells; Progenitors; Proliferation; Generation; Migration; Responses; Demyelination
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 2296-634X
e-ISSN 2296-634X
Zeitschrift Frontiers in cell and developmental biology
Quellenangaben Band: 9, Heft: , Seiten: , Artikelnummer: 662056 Supplement: ,
Verlag Frontiers
Verlagsort Lausanne
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Computational Biology (ICB)
POF Topic(s) 30205 - Bioengineering and Digital Health
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-503800-001
Förderungen BMBF-Federal Ministry of Education and Research, Germany (ERA-NET "Network of European Funding for Neuroscience Research," NEURON)
Deutsche Forschungsgemeinschaft (DFG, German Research foundation)
DOI 10.3389/fcell.2021.662056
WOS ID WOS:000651154900001
Scopus ID 85105994660
PubMed ID 34012966
Erfassungsdatum 2021-06-28
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