Cited by 67Axon Guidance and Neuronal SignalingRNA Research and SplicingDevelopmental Biology and Gene Regulation

NOVA regulates Dcc alternative splicing during neuronal migration and axon guidance in the spinal cord

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Leggere, Janelle C, Saito, Yuhki, Darnell, Robert B, Tessier-Lavigne, Marc, Junge, Harald J, Chen, Zhe·2016·eLife

Abstract

RNA-binding proteins (RBPs) control multiple aspects of post-transcriptional gene regulation and function during various biological processes in the nervous system. To further reveal the functional significance of RBPs during neural development, we carried out an in vivo RNAi screen in the dorsal spinal cord interneurons, including the commissural neurons. We found that the NOVA family of RBPs play a key role in neuronal migration, axon outgrowth, and axon guidance. Interestingly, Nova mutants display similar defects as the knockout of the Dcc transmembrane receptor. We show here that Nova deficiency disrupts the alternative splicing of Dcc, and that restoring Dcc splicing in Nova knockouts is able to rescue the defects. Together, our results demonstrate that the production of DCC splice variants controlled by NOVA has a crucial function during many stages of commissural neuron development.

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Authors
Leggere, J. C., Saito, Y., Darnell, R. B., Tessier-Lavigne, M., Junge, H. J., & Chen, Z.
Affiliations
  • University of Colorado Boulder (US)
  • Howard Hughes Medical Institute (US)
  • Laboratory of Brain Development and Repair, The Rockefeller University, New York, United States
Corresponding author
  • Junge, Harald J
  • Chen, Zhe
Venue
eLife
Published
2016-05-25
Volume
5
ISSN
2050-084X (ISSN-L)
OpenAlex
W2395185061
Cited by
67
References
83
Citations by year
2026: 2 · 2025: 6 · 2024: 5 · 2023: 3 · 2022: 8 · 2021: 7 · 2020: 9 · 2019: 11 · 2018: 6 · 2017: 8 · 2016: 1 · 2015: 1
FWCI
4.88
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • CU Scholar (University of Colorado Boulder) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Japan Society for the Promotion of Science (Postdoctoral Fellowship for Research Abroad)
  • National Institutes of Health (NIH R01 NS34389, NS069473, NS081706, R01EY024261)
  • Howard Hughes Medical Institute
  • Boettcher Foundation (New Investigator Award, OCG5499B)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
nova, DCC, alternative splicing, RNA-binding proteins, neuronal migration, axon guidance, axon growth, commissural neurons, post-transcriptional regulation, RNAi screen
MeSH terms
Axon Guidance, DCC Receptor, Neuro-Oncological Ventral Antigen, Animals, Antigens, Neoplasm, Genetic Testing, Spinal Cord, RNA-Binding Proteins, Alternative Splicing, Mice, Knockout, Gene Expression Regulation, Developmental, RNA Interference, Mice, Commissural Interneurons

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