Cited by 256Neurogenesis and neuroplasticity mechanismsAxon Guidance and Neuronal SignalingDevelopmental Biology and Gene Regulation

Postmitotic Nkx2-1 controls the migration of telencephalic interneurons by direct repression of guidance receptors

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Nóbrega-Pereira, Sandrina, Kessaris, Nicoletta, Du, Tonggong, Kimura, Shioko, Anderson, Stewart A., Marín, Oscar·2008·Neuron

Abstract

The homeodomain transcription factor Nkx2-1 plays key roles in the developing telencephalon, where it regulates the identity of progenitor cells in the medial ganglionic eminence (MGE) and mediates the specification of several classes of GABAergic and cholinergic neurons. Here, we have investigated the postmitotic function of Nkx2-1 in the migration of interneurons originating in the MGE. Experimental manipulations and mouse genetics show that downregulation of Nkx2-1 expression in postmitotic cells is necessary for the migration of interneurons to the cortex, whereas maintenance of Nkx2-1 expression is required for interneuron migration to the striatum. Nkx2-1 exerts this role in the migration of MGE-derived interneurons by directly regulating the expression of a guidance receptor, Neuropilin-2, which enables interneurons to invade the developing striatum. Our results demonstrate a role for the cell-fate determinant Nkx2-1 in regulating neuronal migration by direct transcriptional regulation of guidance receptors in postmitotic cells.

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Crossref · 10.1016/j.neuron.2008.07.024

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  • Nkx2-1 represses Nrp1 and Nrp2, and whether Nkx2-1 is on or off in postmitotic MGE interneurons determines whether they target the striatum or the cortex.

    “Interestingly, the expression of these receptors (Nrp1 and Nrp2) is repressed by Nkx2-1, and so the expression (Nkx2-1ON) or downregulation (Nkx2-1OFF) of this transcription factor in postmitotic interneurons born in the MGE determine whether they are targeted to the striatum or the cerebral cortex, respectively (Nóbrega-Pereira et al., 2008).”

    From Development and Functional Diversification of Cortical Interneurons (2018) · cites this paper as Nóbrega-Pereira et al., 2008

  • Expression of Nkx2.1 represses transcription of neuropilin-2, a receptor necessary for migrating interneuron repulsion by semaphorin 3F expressed in the striatum.

    “Expression of Nkx2.1 represses transcription of neuropilin-2 (842), a receptor necessary for migrating interneuron repulsion by semaphorin 3F expressed in the striatum”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [842]

  • The choice of migratory path appears to be an intrinsic property of cells dependent on their region of origin and ultimate destination, and governed by different transcription factors.

    “The choice of migratory path appears to be an intrinsic property of cells dependent on their region of origin and ultimate destination, and governed by different transcription factors”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [842]

  • MGE progenitors preferentially express Nkx2.1, which must be downregulated in migrating postmitotic cells for them to avoid the striatum and reach the cortex.

    “MGE progenitors preferentially express the transcription factor Nkx2.1 (147, 148, 829, 1233), which must be downregulated in migrating postmitotic cells in order for them to avoid the striatum and reach the cortex”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [842]

  • In mouse, NKX2-1 is downregulated in MGE-derived interneurons destined for neocortex but persists for unknown reasons in some human cortical interneurons.

    “which–in the mouse–is downregulated in MGE-derived interneurons destined for the neocortex37 but persists for unknown reasons in some human cortical interneurons38”

    From Innovations present in the primate interneuron repertoire (2020) · cites this paper as [37]

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Authors
Nóbrega-Pereira, S., Kessaris, N., Du, T., Kimura, S., Anderson, S. A., & Marín, O.
Affiliations
  • University College London (GB)
  • Cornell University (US)
  • National Institutes of Health (US)
Venue
Neuron
Publisher
Elsevier BV
Published
2008-09
Volume
59
Issue
5
Pages
733-745
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2099988044
Cited by
256
References
63
Citations by year
2026: 5 · 2025: 10 · 2024: 5 · 2023: 10 · 2022: 13 · 2021: 18 · 2020: 20 · 2019: 14 · 2018: 13 · 2017: 17 · 2016: 4 · 2015: 12 · 2014: 14 · 2013: 29 · 2012: 14
FWCI
5.90
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • University of California, Santa Cruz
  • National Institute of Mental Health (K02MH070031, R01MH066912)
  • National Institute of Neurological Disorders and Stroke (P01NS048120)
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
TTF-1, interneuron migration, medial ganglionic eminence, neuropilin-2, guidance receptors, striatum, cortical interneurons, postmitotic neurons, transcriptional repression, cell fate determination, GABAergic neurons, cholinergic neurons, telencephalon development
MeSH terms
Thyroid Nuclear Factor 1, Animals, Cell Count, Cell Differentiation, Cell Movement, Embryo, Mammalian, Interneurons, Luminescent Proteins, Median Eminence, Mice, Inbred C57BL, Mice, Transgenic, Nerve Tissue Proteins, Nuclear Proteins, Organ Culture Techniques, Transcription Factors, Electroporation, Homeodomain Proteins, Gene Expression Regulation, Developmental, Neuropilin-2, Chromatin Immunoprecipitation, Mice, LIM-Homeodomain Proteins

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