Cited by 179Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationNeuroscience and Neuropharmacology Research

A wide diversity of cortical GABAergic interneurons derives from the embryonic preoptic area

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Gelman, Diego, Griveau, Amélie, Dehorter, Nathalie, Teissier, Anne, Varela, Carolina, Pla, Ramón, Pierani, Alessandra, Marín, Oscar·2011·The Journal of Neuroscience

Abstract

GABA-containing (GABAergic) interneurons comprise a very heterogeneous group of cells that are crucial for cortical function. Different classes of interneurons specialize in targeting specific subcellular domains of excitatory pyramidal cells or other interneurons, which provides cortical circuits with an enormous capability for information processing. As in other regions of the CNS, cortical interneuron diversity is thought to emerge from the genetic specification of different groups of progenitor cells within the subpallium. Most cortical interneurons originate from two main regions, the medial and the caudal ganglionic eminences (MGE and CGE, respectively). In addition, it has been shown that progenitors in the embryonic preoptic area (POA) also produce a small population of cortical GABAergic interneurons. Here, we show that the contribution of the POA to the complement of cortical GABAergic interneurons is larger than previously believed. Using genetic fate mapping and in utero transplantation experiments, we demonstrate that Dbx1-expressing progenitor cells in the POA give rise to a small but highly diverse cohort of cortical interneurons, with some neurochemical and electrophysiological characteristics that were previously attributed to MGE- or CGE-derived interneurons. There are, however, some features that seem to distinguish POA-derived interneurons from MGE- or CGE-derived cells, such as their preferential laminar location. These results indicate that the mechanisms controlling the specification of different classes of cortical interneurons might be more complex than previously expected. Together with earlier findings, our results also suggest that the POA generates nearly 10% of the GABAergic interneurons in the cerebral cortex of the mouse.

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Crossref · 10.1523/jneurosci.4068-11.2011

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  • The MGE and adjacent POA generate virtually all SST+ and PV+ cortical interneurons.

    “The MGE and adjacent POA generate virtually all interneurons in the SST+ and PV+ classes”

    From Development and Functional Diversification of Cortical Interneurons (2018) · cites this paper as Gelman et al., 2011

  • The POA is estimated to produce approximately 10% of neocortical and hippocampal interneurons.

    “The POA is estimated to produce ~10% of neocortical and hippocampal interneurons”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [389]

  • Mature cortical interneurons derived from the POA are highly diverse, consisting of small fractions of PV-, SST-, NPY-, and reelin-expressing interneurons.

    “Mature cortical interneurons derived from the POA are highly diverse consisting of small fractions of PV-, SST-, NPY-, and reelin-expressing interneurons”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [389]

  • GIFM studies using Dbx1-Cre mice revealed that the ventral POA region generates minor populations of deep PV- and SST-expressing interneurons.

    “GIFM studies using Dbx1-Cre mice revealed that the ventral POA region generates minor populations of deep PV- and SST-expressing interneurons”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [389]

  • Most interneuron precursors emerging from the POA do not rely on downstream activation of Lhx6 to specify PV and SST interneurons.

    “most interneuron precursors emerging from the POA do not rely on downstream activation of Lhx6 to specify PV and SST interneurons”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [389]

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Authors
Gelman, D., Griveau, A., Dehorter, N., Teissier, A., Varela, C., Pla, R., Pierani, A., & Marín, O.
Affiliations
  • Consejo Superior de Investigaciones Científicas (ES)
  • Centre National de la Recherche Scientifique (FR)
Venue
The Journal of Neuroscience
Published
2011-11-16
Volume
31
Issue
46
Pages
16570-16580
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1994924452
Cited by
179
References
51
Citations by year
2026: 3 · 2025: 5 · 2024: 10 · 2023: 14 · 2022: 11 · 2021: 16 · 2020: 23 · 2019: 12 · 2018: 13 · 2017: 18 · 2016: 10 · 2015: 13 · 2014: 8 · 2013: 14 · 2012: 9
FWCI
3.26
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Americanae (AECID Library) (publishedVersion, other-oa)
  • HAL (submittedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
  • ANU Open Research (Australian National University) (submittedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-sa)
Funders
  • Association pour la Recherche sur le Cancer
  • European Commission (005139)
  • Centre National de la Recherche Scientifique
  • Ministerio de Ciencia e Innovación (CSD2007-00023)
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 › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
GABAergic interneurons, medial ganglionic eminence, caudal ganglionic eminence, interneuron specification, laminar distribution, mouse cortex, fate mapping, in utero transplantation
MeSH terms
Animals, Animals, Newborn, Bacterial Proteins, Bromodeoxyuridine, Cell Movement, Electric Stimulation, Embryo, Mammalian, gamma-Aminobutyric Acid, Indoles, Interneurons, Luminescent Proteins, Membrane Potentials, Mice, Transgenic, Nerve Tissue Proteins, Preoptic Area, Proteins, Somatosensory Cortex, Homeodomain Proteins, Patch-Clamp Techniques, Gene Expression Regulation, Developmental, RNA, Untranslated, Green Fluorescent Proteins, Mice, Neural Stem Cells, In Vitro Techniques

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