Cited by 1,416Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionEpilepsy research and treatment

GABAergic cell subtypes and their synaptic connections in rat frontal cortex

Kawaguchi, Y·1997·Cerebral Cortex

Abstract

Physiological, morphological and immunohistochemical characteristics of non-pyramidal cells in frontal cortex of young rats were studied in vitro by whole-cell recording and biocytin injection. Several groups of GABAergic non-pyramidal cells were identified: (i) parvalbumin fast-spiking (FS) cells with low input resistances and spikes of short duration, including extended plexus (basket) cells and chandelier cells. These cells showed abrupt episodes of non-adapting repetitive discharges; (ii) late-spiking (LS) cells exhibiting slowly developing ramp depolarizations, including neurogliaform cells; (iii) the remaining groups contained both burst-spiking (BS) or regular-spiking (RS) non-pyramidal (NP) cells. BSNP cells exhibited bursting activity (two or more spikes on slow depolarizing humps) from hyperpolarized potentials. Both these physiological types corresponded to a range of morphologies: (i) somatostatin-containing Martinotti cells with ascending axonal arbors to layer I (some were also positive for calbindin D28k); (ii) VIP-containing double bouquet cells with descending axonal arbors as well as arcade cells (these included small cells immunoreactive for CCK or calretinin). Each subtype of cells made GABAergic synapses onto relatively specific portions of cortical cells, but similar domains were innervated by multiple classes of GABA cells.

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Crossref · 10.1093/cercor/7.6.476

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102 of 102 references verified0 citation errors · 0 not checkable

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  • Dendrite targeting CCK-expressing interneurons are also found in the neocortex, most notably the vertically oriented bitufted double bouquet cells with ascending and descending tight radial axonal bundles targeting principal cell dendritic shafts and spines.

    “Dendrite targeting CCK-expressing interneurons are also found in the neocortex, most notably the vertically oriented bitufted double bouquet cells with ascending and descending tight radial axonal bundles targeting principal cell dendritic shafts and spines (263, 355, 556, 569, 1034, 1085, 1150).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [569]

  • Additional molecular markers commonly associated with hippocampal and neocortical CCK-expressing dendrite targeting interneurons are calbindin (CB) (hippocampus and neocortex), calretinin (CR) (neocortex), and VIP (neocortex), though none of these markers is specific for or ubiquitously expressed by CCK-expressing dendrite targeting interneurons.

    “Additional molecular markers commonly associated with hippocampal and neocortical CCK-expressing dendrite targeting interneurons are calbindin (CB) (hippocampus and neocortex), calretinin (CR) (neocortex), and VIP (neocortex), though none of these markers is specific for or ubiquitously expressed by CCK-expressing dendrite targeting interneurons (224, 556, 569, 584, 611, 612).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [569]

  • The neocortical homolog of the O-LM cell is the Martinotti cell typically encountered in layers 2/3 and 5/6 with ascending axon forming a plexus in layer 1 targeting the distal dendritic tufts of pyramidal cells.

    “The neocortical homolog of the O-LM cell is the Martinotti cell typically encountered in layers 2/3 and 5/6 with ascending axon forming a plexus in layer 1 targeting the distal dendritic tufts of pyramidal cells (569, 571, 1134, 1154, 1192).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [569]

  • The radial extent of single VIP-cell disinhibition of SOM-interneuron driven lateral inhibition is ~120 μm, consistent with the known axonal arborization of VIP-containing inhibitory neurons.

    “The radial extent of single VIP-cell disinhibition of SOM-interneuron driven lateral inhibition is ~120 μm, which is consistent with the known axonal arborization of VIP-containing inhibitory neurons (569).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [569]

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Authors
Kawaguchi, Y.
Affiliations
RIKEN (JP)
Corresponding author
Kawaguchi, Y
Venue
Cerebral Cortex
Published
1997-09-01
Volume
7
Issue
6
Pages
476-486
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2156780983
Cited by
1,416
References
102
Citations by year
2026: 30 · 2025: 31 · 2024: 47 · 2023: 36 · 2022: 48 · 2021: 52 · 2020: 64 · 2019: 40 · 2018: 57 · 2017: 63 · 2016: 73 · 2015: 60 · 2014: 63 · 2013: 64 · 2012: 62
FWCI
8.27
Type
journal article
Language
en
Open access
closed
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
Funders
RIKEN
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Health Sciences › Medicine › Psychiatry and Mental health › Epilepsy research and treatment
Keywords
GABAergic interneurons, frontal cortex, parvalbumin interneurons, basket cells, chandelier cells, neurogliaform cells, Martinotti cells, VIP interneurons, calbindin-D28k, somatostatin, calretinin, cholecystokinin, synaptic connectivity, fast spiking
MeSH terms
Animals, Calcium-Binding Proteins, Cerebral Cortex, Frontal Lobe, gamma-Aminobutyric Acid, Immunohistochemistry, Nerve Net, Neurons, Parvalbumins, Somatostatin, Synapses, Vasoactive Intestinal Peptide, Rats, Wistar, Patch-Clamp Techniques, Rats

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