Cited by 87Neuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanismsNeural dynamics and brain function

GABAergic interneurons form transient layer-specific circuits in early postnatal neocortex

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Anastasiades, Paul G., Marques-Smith, Andre, Lyngholm, Daniel, Lickiss, Tom, Raffiq, Sayda, Kätzel, Dennis, Miesenböck, Gero, Butt, Simon J. B.·2016·Nature Communications

Abstract

GABAergic interneurons play key roles in cortical circuits, yet little is known about their early connectivity. Here we use glutamate uncaging and a novel optogenetic strategy to track changes in the afferent and efferent synaptic connections of developing neocortical interneuron subtypes. We find that Nkx2-1-derived interneurons possess functional synaptic connections before emerging pyramidal cell networks. Subsequent interneuron circuit maturation is both subtype and layer dependent. Glutamatergic input onto fast spiking (FS), but not somatostatin-positive, non-FS interneurons increases over development. Interneurons of both subtype located in layers (L) 4 and 5b engage in transient circuits that disappear after the somatosensory critical period. These include a pathway mediated by L5b somatostatin-positive interneurons that specifically targets L4 during the first postnatal week. The innervation patterns of immature cortical interneuron circuits are thus neither static nor progressively strengthened but follow a layer-specific choreography of transient connections that differ from those of the adult brain.

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  • During the first postnatal week, interneurons receive most of their inputs from local pyramidal cells.

    “Since interneurons receive most of their inputs from local pyramidal cells during the first postnatal week (Anastasiades et al., 2016), it is perhaps not surprising that these cells play a critical role in the survival of cortical interneurons (Figure 6B).”

    From Development and Functional Diversification of Cortical Interneurons (2018) · cites this paper as Anastasiades et al., 2016

  • Interneurons demonstrate AMPAR-mediated synaptic currents by the first postnatal day.

    “interneurons demonstrate AMPAR-mediated synaptic currents by the first postnatal day”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [34]

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Authors
Anastasiades, P. G., Marques-Smith, A., Lyngholm, D., Lickiss, T., Raffiq, S., Kätzel, D., Miesenböck, G., & Butt, S. J. B.
Affiliations
  • Hammersmith Hospital (GB)
  • University of Oxford (GB)
Corresponding author
Butt, Simon J. B.
Venue
Nature Communications
Published
2016-02-04
Volume
7
Issue
1
Pages
10584-10584
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2417421956
Cited by
87
References
58
Citations by year
2026: 5 · 2025: 15 · 2024: 8 · 2023: 5 · 2022: 6 · 2021: 10 · 2020: 6 · 2019: 8 · 2018: 9 · 2017: 10 · 2016: 5
FWCI
5.95
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Strathprints: The University of Strathclyde institutional repository (University of Strathclyde) (acceptedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • UCL Discovery (University College London) (submittedVersion)
  • Bristol Research (University of Bristol) (submittedVersion)
  • Explore Bristol Research (submittedVersion)
Funders
  • Dana Foundation
  • Wellcome Trust (089286, 090309/Z/09/Z, 106988/Z/15/Z, 089286/Z/09/Z)
  • Research Councils UK
  • Imperial College London
  • Boehringer Ingelheim Fonds
  • National Institutes of Health
  • Medical Research Council (MR/K004387/1)
  • Fundação para a Ciência e a Tecnologia
  • Office of Naval Research
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
GABAergic interneurons, neocortex development, postnatal development, fast-spiking interneurons, somatostatin interneurons, glutamate uncaging, optogenetics, glutamatergic afferents, efferent connections
MeSH terms
Thyroid Nuclear Factor 1, Animals, Animals, Newborn, Immunohistochemistry, Interneurons, Nerve Net, Nuclear Proteins, Synapses, Transcription Factors, Cluster Analysis, Pyramidal Cells, Patch-Clamp Techniques, Neocortex, Principal Component Analysis, Green Fluorescent Proteins, Mice, GABAergic Neurons, Optogenetics

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