Cited by 139Nicotinic Acetylcholine Receptors StudyNeuroscience and Neuropharmacology ResearchNeural dynamics and brain function

Prolonged disynaptic inhibition in the cortex mediated by slow, non-α7 nicotinic excitation of a specific subset of cortical interneurons

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Arroyo, Sergio, Bennett, Corbett, Aziz, David, Brown, Solange P., Hestrin, Shaul·2012·The Journal of Neuroscience

Abstract

Cholinergic activation of nicotinic receptors in the cortex plays a critical role in arousal, attention, and learning. Here we demonstrate that cholinergic axons from the basal forebrain of mice excite a specific subset of cortical interneurons via a remarkably slow, non-α7 nicotinic receptor-mediated conductance. In turn, these inhibitory cells generate a delayed and prolonged wave of disynaptic inhibition in neighboring cortical neurons, altering the spatiotemporal pattern of inhibition in cortical circuits.

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Crossref · 10.1523/jneurosci.0115-12.2012

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  • Anatomical, pharmacological, and optogenetic evidence support the view that neuromodulatory centers rapidly activate Vip interneurons.

    “Anatomical, pharmacological and optogenetic evidence support this view (Acsady et al., 1993; Arroyo et al., 2012; Choi and Callaway, 2011; Ferezou et al., 2002; Lee et al., 2010).”

    From GABAergic Interneurons in the Neocortex: From Cellular Properties to Circuits (2016) · cites this paper as Arroyo et al., 2012

    The Results show that brief optogenetic stimulation of basal-forebrain cholinergic fibers elicited nicotinic responses in ChAT-expressing bipolar interneurons; the Discussion refers to cortical ChAT/VIP interneurons. But the Discussion says these bipolar cells exhibited only a slow response, and the Results place most evoked action potentials at 30–180 ms. The source supports activation of this interneuron subset, not the unqualified description of it as rapid. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • FS cells express high levels of voltage-gated K+ channels of the Kv3 subfamily with depolarized activation and fast deactivation, specialized for rapid repolarization with little interference during the inter-spike interval.

    “Expression of high levels of voltage-gated K+ channels with a depolarized activation voltage and fast deactivation rates of the Kv3 subfamily; channels specialized for rapid repolarization with little interference during the inter-spike interval.”

    From GABAergic Interneurons in the Neocortex: From Cellular Properties to Circuits (2016) · cites this paper as [10]

    Materials and Methods (Identification of interneuron subtypes; page unavailable) describes how fast-spiking cells were identified and reports their firing pattern. Searches for Kv3 channels, their activation and deactivation, and their role in repolarization found no passage in our copy addressing those claims. (LLM, conf=0.76)

    Experimental — accuracy not yet measured
  • Kv3 channels contribute to a large and fast afterhyperpolarization that facilitates recovery of Na+ channels from inactivation.

    “Kv3 channels also contribute to the generation of a large and fast AHP that facilitates the recovery of Na+ channels from inactivation9–11.”

    From GABAergic Interneurons in the Neocortex: From Cellular Properties to Circuits (2016) · cites this paper as [10]

    The Results and Discussion passages describe nicotinic receptor-mediated responses and inhibition, not Kv3 channels or afterhyperpolarization. Searches for Kv3, AHP, and Na+ channel recovery found no passage in our copy addressing the attributed mechanism; page numbers were not available. (LLM, conf=0.76)

    Experimental — accuracy not yet measured
  • The fast inhibition is at least partially mediated by the actions of both nicotinic and muscarinic receptors that increase the excitability and firing rates of dendrite-targeting GABAergic interneurons.

    “The fast inhibition is at least partially mediated by the actions of both nAChRs and mAChRs that increase the excitability and firing rates of dendrite-targeting GABAergic interneurons (Arroyo et al., 2012; Couey et al., 2007; Fanselow et al., 2008; Ferezou et al., 2002; Gulledge et al., 2007; Kawaguchi and Kubota, 1997).”

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Authors
Arroyo, S., Bennett, C., Aziz, D., Brown, S. P., & Hestrin, S.
Affiliations
  • University of Arizona (US)
  • Stanford Medicine (US)
  • Johns Hopkins University (US)
Venue
The Journal of Neuroscience
Published
2012-03-14
Volume
32
Issue
11
Pages
3859-3864
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2002108201
Cited by
138
References
33
Citations by year
2026: 1 · 2025: 4 · 2024: 2 · 2023: 4 · 2022: 7 · 2021: 7 · 2020: 8 · 2019: 8 · 2018: 14 · 2017: 9 · 2016: 12 · 2015: 19 · 2014: 27 · 2013: 10 · 2012: 6
FWCI
7.98
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Eye Institute (R01EY012114)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
disynaptic inhibition, nicotinic acetylcholine receptors, cortical interneurons, cholinergic stimulation, basal forebrain, cholinergic axons, cortical circuits
MeSH terms
Action Potentials, Animals, Axons, Cerebral Cortex, Female, Interneurons, Male, Mice, Transgenic, Neural Inhibition, Reaction Time, Receptors, Nicotinic, Synapses, Time Factors, Mice, Cholinergic Neurons, alpha7 Nicotinic Acetylcholine Receptor

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