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Kempf, J.* ; Knelles, K.* ; Hersbach, B.A.* ; Petrik, D. ; Riedemann, T.* ; Bednarova, V.* ; Janjic, A.* ; Simon-Ebert, T.* ; Enard, W.* ; Smialowski, P. ; Götz, M. ; Masserdotti, G.

Heterogeneity of neurons reprogrammed from spinal cord astrocytes by the proneural factors Ascl1 and Neurogenin2.

Cell Rep. 36:109409 (2021)
Postprint DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Astrocytes are a viable source for generating new neurons via direct conversion. However, little is known about the neurogenic cascades triggered in astrocytes from different regions of the CNS. Here, we examine the transcriptome induced by the proneural factors Ascl1 and Neurog2 in spinal cord-derived astrocytes in vitro. Each factor initially elicits different neurogenic programs that later converge to a V2 interneuron-like state. Intriguingly, patch sequencing (patch-seq) shows no overall correlation between functional properties and the transcriptome of the heterogenous induced neurons, except for K-channels. For example, some neurons with fully mature electrophysiological properties still express astrocyte genes, thus calling for careful molecular and functional analysis. Comparing the transcriptomes of spinal cord- and cerebral-cortex-derived astrocytes reveals profound differences, including developmental patterning cues maintained in vitro. These relate to the distinct neuronal identity elicited by Ascl1 and Neurog2 reflecting their developmental functions in subtype specification of the respective CNS region.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Ascl1 ; Neurog2 ; Astrocytes ; Direct Reprogramming ; Patch-seq ; Patterning Genes ; Single-cell Rna-seq ; Spinal Cord; Functional-neurons; Direct Conversion; In-vivo; Parkinsons-disease; Glial-cells; Transcription; Genes; Fibroblasts; Expression; Specification
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 2211-1247
e-ISSN 2211-1247
Zeitschrift Cell Reports
Quellenangaben Band: 36, Heft: 3, Seiten: , Artikelnummer: 109409 Supplement: ,
Verlag Cell Press
Verlagsort 50 Hampshire St, Floor 5, Cambridge, Ma 02139 Usa
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
Förderungen EU consortium NSC Reconstruct
ERA-Net neuron grant MICRONET
advanced ERC ChroNeuroRepair
German Research Foundation
DOI 10.1016/j.celrep.2021.109409
WOS ID WOS:000675844000026
Scopus ID 85110656076
PubMed ID 34289357
Erfassungsdatum 2021-08-04
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