Cited by 75Neuroscience and Neuropharmacology ResearchMemory and Neural MechanismsNicotinic Acetylcholine Receptors Study

Synaptic plasticity through activation of GluA3-containing AMPA-receptors

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Renner, Maria C, Albers, Eva HH, Gutierrez-Castellanos, Nicolas, Reinders, Niels R, van Huijstee, Aile N, Xiong, Hui, Lodder, Tessa R, Kessels, Helmut W·2017·eLife

Abstract

Excitatory synaptic transmission is mediated by AMPA-type glutamate receptors (AMPARs). In CA1 pyramidal neurons of the hippocampus two types of AMPARs predominate: those that contain subunits GluA1 and GluA2 (GluA1/2), and those that contain GluA2 and GluA3 (GluA2/3). Whereas subunits GluA1 and GluA2 have been extensively studied, the contribution of GluA3 to synapse physiology has remained unclear. Here we show in mice that GluA2/3s are in a low-conductance state under basal conditions, and although present at synapses they contribute little to synaptic currents. When intracellular cyclic AMP (cAMP) levels rise, GluA2/3 channels shift to a high-conductance state, leading to synaptic potentiation. This cAMP-driven synaptic potentiation requires the activation of both protein kinase A (PKA) and the GTPase Ras, and is induced upon the activation of β-adrenergic receptors. Together, these experiments reveal a novel type of plasticity at CA1 hippocampal synapses that is expressed by the activation of GluA3-containing AMPARs.

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  • GluA3-containing receptors are mostly inert under basal conditions due to a very low open probability, although they are robustly targeted to synapses.

    “Here it was shown GluA3 containing receptors are mostly inert under basal conditions due to a very low-open probability, although these receptors are robustly targeted to synapses (Renner et al., 2017).”

    From The AMPA Receptor Code of Synaptic Plasticity (2018) · cites this paper as Renner et al., 2017

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Authors
Renner, M. C., Albers, E. H., Gutierrez-Castellanos, N., Reinders, N. R., van Huijstee, A. N., Xiong, H., Lodder, T. R., & Kessels, H. W.
Affiliations
  • Northwestern University (US)
  • Synaptic Plasticity and Behavior Group, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands
Corresponding author
Kessels, Helmut W
Venue
eLife
Published
2017-08-01
Volume
6
ISSN
2050-084X (ISSN-L)
OpenAlex
W2740449411
Cited by
75
References
74
Citations by year
2026: 3 · 2025: 6 · 2024: 8 · 2023: 11 · 2022: 6 · 2021: 16 · 2020: 9 · 2019: 6 · 2018: 9 · 2017: 1
FWCI
3.35
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • KNAW research portal (Royal Academy of Art and Sciences (KNAW)) (publishedVersion, other-oa)
  • KNAW Research Portal (The Royal Netherlands Academy of Arts and Sciences) (publishedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (821.02.016, 864.11.014)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
Keywords
GluA3, AMPA receptors, synaptic plasticity, synaptic potentiation, cyclic AMP, protein kinase A, Ras GTPase, beta-adrenergic receptors, CA1 pyramidal neurons, hippocampus, excitatory synaptic transmission
MeSH terms
Cyclic AMP, Animals, Female, Gene Expression Regulation, Male, Synaptic Transmission, Neuronal Plasticity, Receptors, Adrenergic, beta, Synapses, Signal Transduction, Cyclic AMP-Dependent Protein Kinases, Pyramidal Cells, Receptors, AMPA, Mice, Knockout, Patch-Clamp Techniques, ras Proteins, Excitatory Postsynaptic Potentials, Mice, CA1 Region, Hippocampal

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