Cited by 324Neural dynamics and brain functionNeuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanisms

Rapid developmental switch in the mechanisms driving early cortical columnar networks

Dupont, Erwan, Hanganu, Ileana L., Kilb, Werner, Hirsch, Silke, Luhmann, Heiko J.·2006·Nature

Abstract

The immature cerebral cortex self-organizes into local neuronal clusters long before it is activated by patterned sensory inputs. In the cortical anlage of newborn mammals, neurons coassemble through electrical or chemical synapses either spontaneously or by activation of transmitter-gated receptors. The neuronal network and the cellular mechanisms underlying this cortical self-organization process during early development are not completely understood. Here we show in an intact in vitro preparation of the immature mouse cerebral cortex that neurons are functionally coupled in local clusters by means of propagating network oscillations in the beta frequency range. In the newborn mouse, this activity requires an intact subplate and is strongly synchronized within a cortical column by gap junctions. With the developmental disappearance of the subplate at the end of the first postnatal week, activation of NMDA (N-methyl-D-aspartate) receptors in the immature cortical network is essential to generate this columnar activity pattern. Our findings show that during a brief developmental period the cortical network switches from a subplate-driven, gap-junction-coupled syncytium to a synaptic network acting through NMDA receptors to generate synchronized oscillatory activity, which may function as an early functional template for the development of the cortical columnar architecture.

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Crossref · 10.1038/nature04264

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  • Around birth, the numerous cholinergic projections arising from the basal forebrain nuclei innervate the primary cortical regions where they influence cortical ultrastructure.

    “Around birth, the numerous cholinergic projections arising from the basal forebrain nuclei innervate the primary cortical regions where they influence cortical ultrastructure [210–213].”

    From Development of prefrontal cortex (2022) · cites this paper as [211]

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Authors
Dupont, E., Hanganu, I. L., Kilb, W., Hirsch, S., & Luhmann, H. J.
Affiliations
Johannes Gutenberg University Mainz (DE)
Corresponding author
Luhmann, Heiko J.
Venue
Nature
Published
2005-12-04
Volume
439
Issue
7072
Pages
79-83
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2081918193
Cited by
324
References
37
Citations by year
2026: 9 · 2025: 3 · 2024: 10 · 2023: 8 · 2022: 11 · 2021: 12 · 2020: 16 · 2019: 13 · 2018: 11 · 2017: 20 · 2016: 16 · 2015: 13 · 2014: 18 · 2013: 21 · 2012: 24
FWCI
7.09
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
cortical development, cortical columns, subplate, gap junctions, NMDA receptor, beta oscillations, network oscillations, neuronal synchronization, synapse maturation
MeSH terms
Action Potentials, Animals, Animals, Newborn, Carbachol, Electrophysiology, Mice, Inbred C57BL, Neurons, Somatosensory Cortex, Synapses, Receptors, N-Methyl-D-Aspartate, Gap Junctions, Mice

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