Dual role for DOCK7 in tangential migration of interneuron precursors in the postnatal forebrain
Open accessAbstract
Throughout life, stem cells in the ventricular-subventricular zone generate neuroblasts that migrate via the rostral migratory stream (RMS) to the olfactory bulb, where they differentiate into local interneurons. Although progress has been made toward identifying extracellular factors that guide the migration of these cells, little is known about the intracellular mechanisms that govern the dynamic reshaping of the neuroblasts' morphology required for their migration along the RMS. In this study, we identify DOCK7, a member of the DOCK180-family, as a molecule essential for tangential neuroblast migration in the postnatal mouse forebrain. DOCK7 regulates the migration of these cells by controlling both leading process (LP) extension and somal translocation via distinct pathways. It controls LP stability/growth via a Rac-dependent pathway, likely by modulating microtubule networks while also regulating F-actin remodeling at the cell rear to promote somal translocation via a previously unrecognized myosin phosphatase-RhoA-interacting protein-dependent pathway. The coordinated action of both pathways is required to ensure efficient neuroblast migration along the RMS.
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DOCK7 has a role in migration of neuroblasts in developing mouse brains.
“More recently a role for DOCK7 in the migration of neuroblasts in developing mouse brains was also identified (107).”
From RHO to the DOCK for GDP disembarking: Structural insights into the DOCK GTPase nucleotide exchange factors (2021) · cites this paper as [107]
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Thompson, A. P., Bitsina, C., Gray, J. L., von Delft, F., & Brennan, P. E. (2021) · Journal of Biological Chemistry · doi:10.1016/j.jbc.2021.100521 · Cited by 21 · see citing works
“More recently a role for DOCK7 in the migration of neuroblasts in developing mouse brains was also identified (107).”
Background
- Authors
- Nakamuta, S., Yang, Y.-T., Wang, C.-L., Gallo, N. B., Yu, J.-R., Tai, Y., & Van Aelst, L.
- Affiliations
- Cold Spring Harbor Laboratory (US)
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 1
- Venue
- Journal of Cell Biology
- Publisher
- Rockefeller University Press
- Published
- 2017-10-31
- Volume
- 216
- Issue
- 12
- Pages
- 4313-4330
- ISSN
- 0021-9525 (ISSN-L)
- 1540-8140
- PMC
- PMC5716287
- OpenAlex
- W2766102202
- Cited by
- 24
- References
- 1
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 1 · 2023: 6 · 2022: 1 · 2021: 5 · 2020: 4 · 2019: 3 · 2018: 1
- FWCI
- 0.93
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- The Journal of Cell Biology (publishedVersion, cc-by-nc-sa)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
- PubMed Central (publishedVersion, cc-by-nc-sa)
- PubMed (publishedVersion)
- Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
- Funders
- National Institutes of Health (R01MH082808, R01NS082266, T32 CA 148056-1)
- Uehara Memorial Foundation
- Topics
- Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
- Keywords
- DOCK7, rostral migratory stream, tangential migration, neuroblast migration, olfactory bulb, Rac signaling, microtubule cytoskeleton, F-actin reorganization, myosin phosphatase, ventricular-subventricular zone
- MeSH terms
- Actins, Animals, Animals, Newborn, Cell Differentiation, Cell Movement, Embryo, Mammalian, HeLa Cells, Humans, Microtubules, Neurons, Signal Transduction, Prosencephalon, Gene Expression Regulation, Developmental, Guanine Nucleotide Exchange Factors, GTPase-Activating Proteins, rho GTP-Binding Proteins, rhoA GTP-Binding Protein, Myosin-Light-Chain Phosphatase, Cell Line, Tumor, Proto-Oncogene Proteins c-akt, Mice, HEK293 Cells, Primary Cell Culture
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