PreprintCited by 2Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationCongenital gastrointestinal and neural anomalies

Onecut factors and Pou2f2 regulate the distribution of V2 interneurons in the mouse developing spinal cord

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Harris, Audrey, Masgutova, Gauhar, Collin, Amandine, Toch, Mathilde, Hidalgo-Figueroa, Maria, Jacob, Benvenuto, Corcoran, Lynn M., Francius, Cédric +1 more·2018·bioRxiv (Cold Spring Harbor Laboratory)

Preprint — published as 10.3389/fncel.2019.00184

Abstract

Acquisition of proper neuronal identity and position is critical for the formation of neural circuits. In the embryonic spinal cord, cardinal populations of interneurons diversify into specialized subsets and migrate to defined locations within the spinal parenchyma. However, the factors that control interneuron diversification and migration remain poorly characterized. Here, we show that the Onecut transcription factors are necessary for proper diversification and distribution of the V2 interneurons in the developing spinal cord. Furthermore, we uncover that these proteins restrict and moderate the expression of spinal isoforms of Pou2f2 , a transcription factor known to regulate B-cell differentiation. By gain- or loss-of-function experiments, we show that Pou2f2 contribute to regulate the position of V2 populations in the developing spinal cord. Thus, we uncovered a genetic pathway that regulates the diversification and the distribution of V2 interneurons during embryonic development. Significance statement: In this study, we identify the Onecut and Pou2f2 transcription factors as regulators of spinal interneuron diversification and migration, two events that are critical for proper CNS development.

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Authors
Harris, A., Masgutova, G., Collin, A., Toch, M., Hidalgo-Figueroa, M., Jacob, B., Corcoran, L. M., Francius, C., & Clotman, F.
Affiliations
  • UCLouvain (BE)
  • Walter and Eliza Hall Institute of Medical Research (AU)
Venue
bioRxiv (Cold Spring Harbor Laboratory)
Publisher
openRxiv
Published
2018-09-10
OpenAlex
W2891995326
Cited by
2
References
70
Citations by year
2019: 2
Type
posted content
Language
en
Open access
Locations
bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
Funders
  • Association Belge contre les Maladies Neuro-Musculaires
  • Australian Government
  • Fonds De La Recherche Scientifique - FNRS (T.0117.13, U.N027.14)
  • Fédération Wallonie-Bruxelles (10/15-026)
  • Fonds Spéciaux de Recherche
  • National Health and Medical Research Council (575500, 637306)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Health Sciences › Medicine › Surgery › Congenital gastrointestinal and neural anomalies
Keywords
POU2F2, spinal cord development, interneuron migration, neuronal identity, transcriptional regulation, mouse embryo

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