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Mattugini, N. ; Bocchi, R. ; Scheuss, V. ; Russo, G.L. ; Torper, O. ; Lao, C.L. ; Götz, M.

Inducing different neuronal subtypes from astrocytes in the injured mouse cerebral cortex.

Neuron 103, 1086-1095.e5 (2019)
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Astrocytes are particularly promising candidates for reprogramming into neurons, as they maintain some of the original patterning information from their radial glial ancestors. However, to which extent the position of astrocytes influences the fate of reprogrammed neurons remains unknown. To elucidate this, we performed stab wound injury covering an entire neocortical column, including the gray matter (GM) and white matter (WM), and targeted local reactive astrocytes via injecting FLEx switch (Cre-On) adeno-associated viral (AAV) vectors into mGFAP-Cre mice. Single proneural factors were not sufficient for adequate reprogramming, although their combination with the nuclear receptor-related 1 protein (Nurr1) improved reprogramming efficiency. Nurr1 and Neurogenin 2 (Ngn2) resulted in high-efficiency reprogramming of targeted astrocytes into neurons that develop lamina-specific hallmarks, including the appropriate long-distance axonal projections. Surprisingly, in the WM, we did not observe any reprogrammed neurons, thereby unveiling a crucial role of region- and layer-specific differences in astrocyte reprogramming.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Aav ; Astrocytes ; Axonal Projection ; Cerebral Cortex ; Cortical Layers ; Electrophysiology ; Inflammation ; Lentivirus ; Reactive Gliosis ; Reprogramming; In-vitro; Brain; Identification; Specification; Deletion; Targets; Cells; Nurr1
Sprache englisch
Veröffentlichungsjahr 2019
HGF-Berichtsjahr 2019
ISSN (print) / ISBN 0896-6273
e-ISSN 1097-4199
Zeitschrift Neuron
Quellenangaben Band: 103, Heft: 6, Seiten: 1086-1095.e5 Artikelnummer: , Supplement: ,
Verlag Cell Press
Verlagsort Cambridge, Mass.
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Stem Cell Research (ISF)
POF Topic(s) 30204 - Cell Programming and Repair
Forschungsfeld(er) Stem Cell and Neuroscience
PSP-Element(e) G-500800-001
DOI 10.1016/j.neuron.2019.08.009
WOS ID WOS:000487763400016
Scopus ID 85072288872
Erfassungsdatum 2019-10-09
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