Cited by 202Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionIon channel regulation and function

Dendritic Mechanisms Underlying Rapid Synaptic Activation of Fast-Spiking Hippocampal Interneurons

Hu, Hua, Martina, Marco, Jonas, Peter·2010·Science

Abstract

Fast-spiking, parvalbumin-expressing basket cells (BCs) are important for feedforward and feedback inhibition. During network activity, BCs respond with short latency and high temporal precision. It is thought that the specific properties of input synapses are responsible for rapid recruitment. However, a potential contribution of active dendritic conductances has not been addressed. We combined confocal imaging and patch-clamp techniques to obtain simultaneous somatodendritic recordings from BCs. Action potentials were initiated in the BC axon and backpropagated into the dendrites with reduced amplitude and little activity dependence. These properties were explained by a high K+ to Na+ conductance ratio in BC dendrites. Computational analysis indicated that dendritic K+ channels convey unique integration properties to BCs, leading to the rapid and temporally precise activation by excitatory inputs.

Integrity signals

Registry

Crossref · 10.1126/science.1177876

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46 of 46 references verified0 citation errors · 0 not checkable

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  • Dendritic Kv3 currents act to accelerate the decay time course of excitatory postsynaptic potentials (EPSPs), imposing a narrow window for temporal integration, and minimize the impact of clustered excitatory input to favor distributed synaptic inputs.

    “Dendritic Kv3 currents act to accelerate the decay time course of excitatory postsynaptic potentials (EPSPs), imposing a narrow window for temporal integration (504, 967), and minimize the impact of clustered excitatory input to favor distributed synaptic inputs (504).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [504]

  • Kv3 expression is highest in dendrites of cells that typically possess low dendritic Na+ channel densities.

    “Kv3 expression is highest in dendrites of cells that typically possess low dendritic Na+ channel densities (502, 504).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [504]

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Authors
Hu, H., Martina, M., & Jonas, P.
Affiliations
  • University of Freiburg (DE)
  • Northwestern University (US)
  • Institute of Physiology I, Universität Freiburg, Engesserstraße 4, D-79108 Freiburg, Germany.
Venue
Science
Published
2010-01
Volume
327
Issue
5961
Pages
52-58
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2027205525
Cited by
202
References
45
Citations by year
2026: 3 · 2025: 9 · 2024: 7 · 2023: 8 · 2022: 11 · 2021: 11 · 2020: 8 · 2019: 9 · 2018: 10 · 2017: 6 · 2016: 16 · 2015: 12 · 2014: 21 · 2013: 17 · 2012: 24
FWCI
7.30
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion channel regulation and function
Keywords
basket cells, parvalbumin interneurons, fast-spiking interneurons, dendritic integration, hippocampus, feedforward inhibition, computational modeling
MeSH terms
Action Potentials, Animals, Axons, Dendrites, Hippocampus, Interneurons, Neural Inhibition, Synaptic Transmission, Parvalbumins, Potassium, Sodium, Synapses, Sodium Channels, Ion Channel Gating, Rats, Wistar, Patch-Clamp Techniques, Microscopy, Confocal, Dentate Gyrus, Excitatory Postsynaptic Potentials, Potassium Channels, Voltage-Gated, Rats, In Vitro Techniques

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