Cited by 274Memory and Neural MechanismsNeuroscience and Neuropharmacology ResearchNeural dynamics and brain function

Gating of hippocampal activity, plasticity, and memory by entorhinal cortex long-range inhibition

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Basu, Jayeeta, Zaremba, Jeffrey D., Cheung, Stephanie K., Hitti, Frederick L., Zemelman, Boris V., Losonczy, Attila, Siegelbaum, Steven A.·2016·Science

Abstract

Fine-tuned information flow in the brain: In addition to providing well-characterized excitatory inputs, the entorhinal cortex also sends long-range inhibitory projections to the hippocampus. Basu et al. described this input in detail and characterized its role for learning and memory. Multimodal sensory stimuli activate long-range inhibitory input in vivo. This input enables precisely timed information transfer within the cortico-hippocampal circuit. In this way, long-range inhibitory projections play an important role in providing specificity of fear conditioning, and thus help prevent overgeneralization. Science , this issue p. 10.1126/science.aaa5694

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Crossref · 10.1126/science.aaa5694

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  • Output synapses of FS cells rely exclusively on P/Q-type Ca2+ channels, which have faster kinetics and mediate nanodomain coupling between Ca2+ influx and neurotransmitter release.

    “Output synapses rely exclusively on P/Q-type Ca2+ channels14–17, which have faster kinetics18 and mediate nanodomain coupling between Ca2+ influx and neurotransmitter release15,19.”

    From GABAergic Interneurons in the Neocortex: From Cellular Properties to Circuits (2016) · cites this paper as [18]

    The Discussion and the section on LRIP gating of CA1 input discuss interneuron inhibition and postsynaptic Ca2+ signals, not the channels at FS-cell output synapses. Searches for P/Q-type channels and nanodomain coupling found no passage addressing exclusive channel use, faster channel kinetics, or coupling to neurotransmitter release. (LLM, conf=0.76)

    Experimental — accuracy not yet measured
  • A subpopulation of entorhinal cortical interneurons, some of which express PV, send long-range inhibitory projections into the hippocampus and elicit GABAAR-mediated responses onto various hippocampal interneurons.

    “Interestingly, a subpopulation of entorhinal cortical interneurons, some of which express PV, send long-range inhibitory projections into the hippocampus and elicit GABAAR-mediated responses onto various hippocampal interneurons (69, 781).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [69]

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Authors
Basu, J., Zaremba, J. D., Cheung, S. K., Hitti, F. L., Zemelman, B. V., Losonczy, A., & Siegelbaum, S. A.
Affiliations
  • Columbia University Irving Medical Center (US)
  • The University of Texas at Austin (US)
Corresponding author
  • Basu, Jayeeta
  • Zaremba, Jeffrey D.
  • Cheung, Stephanie K.
  • Siegelbaum, Steven A.
Venue
Science
Published
2016-01-08
Volume
351
Issue
6269
Pages
aaa5694-aaa5694
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2230836247
Cited by
274
References
67
Citations by year
2026: 17 · 2025: 20 · 2024: 33 · 2023: 27 · 2022: 24 · 2021: 27 · 2020: 27 · 2019: 26 · 2018: 26 · 2017: 32 · 2016: 14
FWCI
20.79
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NARSAD
  • National Institute of Mental Health (NIMH)
  • NIMH (1R01MH10051, 1R01MH100631)
  • Searle Scholars Program
  • Human Frontier Science Program
  • McKnight Memory and Cognitive Disorders Award
  • National Institute of Neurological Disorders and Stroke (R01NS036658)
  • NIH
  • Howard Hughes Medical Institute
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
entorhinal cortex, hippocampus, long-range inhibition, contextual memory, object memory, disinhibition, feedforward inhibition, CA1 pyramidal neurons, dendritic spikes, heterosynaptic plasticity, GABAergic projections, memory associations
MeSH terms
Animals, Dendrites, Evoked Potentials, gamma-Aminobutyric Acid, Neuronal Plasticity, Synapses, Pyramidal Cells, Entorhinal Cortex, Mice, Inhibitory Postsynaptic Potentials, CA1 Region, Hippocampal, CA3 Region, Hippocampal, Memory, Long-Term, GABAergic Neurons

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