Cited by 89Neurogenesis and neuroplasticity mechanismsPluripotent Stem Cells ResearchDevelopmental Biology and Gene Regulation

Enhanced cortical neural stem cell identity through short SMAD and WNT inhibition in human cerebral organoids facilitates emergence of outer radial glial cells

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Rosebrock, Daniel, Arora, Sneha, Mutukula, Naresh, Volkman, Rotem, Gralinska, Elzbieta, Balaskas, Anastasios, Aragonés Hernández, Amèlia, Buschow, René +5 more·2022·Nature Cell Biology

Abstract

Cerebral organoids exhibit broad regional heterogeneity accompanied by limited cortical cellular diversity despite the tremendous upsurge in derivation methods, suggesting inadequate patterning of early neural stem cells (NSCs). Here we show that a short and early Dual SMAD and WNT inhibition course is necessary and sufficient to establish robust and lasting cortical organoid NSC identity, efficiently suppressing non-cortical NSC fates, while other widely used methods are inconsistent in their cortical NSC-specification capacity. Accordingly, this method selectively enriches for outer radial glia NSCs, which cyto-architecturally demarcate well-defined outer sub-ventricular-like regions propagating from superiorly radially organized, apical cortical rosette NSCs. Finally, this method culminates in the emergence of molecularly distinct deep and upper cortical layer neurons, and reliably uncovers cortex-specific microcephaly defects. Thus, a short SMAD and WNT inhibition is critical for establishing a rich cortical cell repertoire that enables mirroring of fundamental molecular and cyto-architectural features of cortical development and meaningful disease modelling.

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Authors
Rosebrock, D., Arora, S., Mutukula, N., Volkman, R., Gralinska, E., Balaskas, A., Aragonés Hernández, A., Buschow, R., Brändl, B., Müller, F.-J., Arndt, P. F., Vingron, M., & Elkabetz, Y.
Affiliations
  • Max Planck Institute for Molecular Genetics (DE)
  • Tel Aviv University (IL)
Corresponding author
Elkabetz, Yechiel
Venue
Nature Cell Biology
Published
2022-06
Volume
24
Issue
6
Pages
981-995
ISSN
  • 1465-7392 (ISSN-L)
  • 1476-4679
OpenAlex
W4282570172
Cited by
89
References
71
Citations by year
2026: 19 · 2025: 22 · 2024: 23 · 2023: 20 · 2022: 3 · 2021: 1
FWCI
6.24
Type
journal article
Language
en
Open access
Locations
  • Nature Cell Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, cc-by)
  • Refubium (Universitätsbibliothek der Freien Universität Berlin) (submittedVersion, cc-by)
  • Universitätsbibliothek der FU Berlin Hochschulschriftenstelle u. Dokumentenserver (cc-by)
Funders
  • Max-Planck-Gesellschaft
  • Israel Science Foundation (1592/13, 1939/15)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
brain organoids, SMAD inhibition, Wnt signaling inhibition, outer radial glia, cortical development, microcephaly, disease modeling
MeSH terms
Cell Differentiation, Cerebral Cortex, Humans, Neurons, Organoids, Neurogenesis, Neural Stem Cells, Ependymoglial Cells

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