Cited by 833Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationCongenital heart defects research

Vertebrate neurogenesis is counteracted by Sox1–3 activity

Bylund, Magdalena, Andersson, Elisabeth, Novitch, Bennett G, Muhr, Jonas·2003·Nature Neuroscience

Abstract

The generation of neurons from stem cells involves the activity of proneural basic helix-loop-helix (bHLH) proteins, but the mechanism by which these proteins irreversibly commit stem cells to neuronal differentiation is not known. Here we report that expression of the transcription factors Sox1, Sox2 and Sox3 (Sox1-3) is a critical determinant of neurogenesis. Using chick in ovo electroporation, we found that Sox1-3 transcription factors keep neural cells undifferentiated by counteracting the activity of proneural proteins. Conversely, the capacity of proneural bHLH proteins to direct neuronal differentiation critically depends on their ability to suppress Sox1-3 expression in CNS progenitors. These data suggest that the generation of neurons from stem cells depends on the inhibition of Sox1-3 expression by proneural proteins.

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Crossref · 10.1038/nn1131

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Authors
Bylund, M., Andersson, E., Novitch, B. G., & Muhr, J.
Affiliations
  • Karolinska Institutet (SE)
  • Howard Hughes Medical Institute (US)
Corresponding author
Muhr, Jonas
Venue
Nature Neuroscience
Published
2003-09-28
Volume
6
Issue
11
Pages
1162-1168
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2031683488
Cited by
825
References
51
Citations by year
2026: 15 · 2025: 12 · 2024: 27 · 2023: 28 · 2022: 27 · 2021: 23 · 2020: 35 · 2019: 27 · 2018: 39 · 2017: 23 · 2016: 32 · 2015: 51 · 2014: 45 · 2013: 55 · 2012: 54
FWCI
7.72
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
Keywords
neurogenesis, SOX1, SOX2, SOX3, neuronal differentiation, neural stem cells, transcriptional repression, chick embryo, in ovo electroporation
MeSH terms
Animals, Bromodeoxyuridine, Cell Differentiation, Chick Embryo, DNA-Binding Proteins, Drosophila, Embryonic Induction, Eye Proteins, High Mobility Group Proteins, Membrane Glycoproteins, Nerve Tissue Proteins, Neurons, Neuropeptides, Nuclear Proteins, Phosphopyruvate Hydratase, Spinal Cord, Stem Cells, Time Factors, Transcription Factors, Tubulin, Vertebrates, Proto-Oncogene Proteins c-myc, Neurofilament Proteins, Helix-Loop-Helix Motifs, Electroporation, Homeodomain Proteins, Gene Expression Regulation, Developmental, HMGB Proteins, Drosophila Proteins, Avian Proteins, Mice, PAX7 Transcription Factor, Basic Helix-Loop-Helix Proteins, SOXB1 Transcription Factors, LIM-Homeodomain Proteins

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