Cited by 190Neuroscience and Neuropharmacology ResearchCellular transport and secretionAlzheimer's disease research and treatments

A three-step model for the synaptic recruitment of AMPA receptors

Opazo, Patricio, Choquet, Daniel·2011·Molecular and Cellular Neuroscience

Abstract

The amount of AMPARs at synapses is not a fixed number but varies according to different factors including synaptic development, activity and disease. Because the number of AMPARs sets the strength of synaptic transmission, their trafficking is subject to fine and tight regulation. In this review, we will describe the different steps taken by AMPARs in order to reach the synapse. We propose a three-step mechanism involving exocytosis at extra/perisynaptic sites, lateral diffusion to synapses and a subsequent rate-limiting diffusional trapping step. We will describe how the different trafficking steps are regulated during synaptic plasticity or altered during neurodegenerative diseases such as Alzheimer's.

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Crossref · 10.1016/j.mcn.2010.08.014

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  • The postsynaptic density regulates the number of glutamate receptors localized in the synapse and thereby prevents their diffusion out of the spine.

    “The postsynaptic density is believed to regulate the number of glutamate receptors localized in the synapse and thereby preventing their diffusion out of the spine (Opazo and Choquet, 2011).”

    From Barriers in the brain: resolving dendritic spine morphology and compartmentalization (2014) · cites this paper as Opazo and Choquet, 2011

  • Mushroom shaped spines retain AMPA receptors in the vicinity of the synapse for an increased period of time.

    “Mushroom shaped spines were found to retain AMPA receptors in the vicinity of the synapse for an increased period of time (Ashby et al., 2006; Ehlers et al., 2007; Opazo and Choquet, 2011, see Figure 3A).”

    From Barriers in the brain: resolving dendritic spine morphology and compartmentalization (2014) · cites this paper as Opazo and Choquet, 2011

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Authors
Opazo, P., & Choquet, D.
Affiliations
Université de Bordeaux (FR)
Corresponding author
Choquet, Daniel
Venue
Molecular and Cellular Neuroscience
Publisher
Elsevier BV
Published
2011-01
Volume
46
Issue
1
Pages
1-8
ISSN
1044-7431 (ISSN-L)
OpenAlex
W2090714277
Cited by
190
References
129
Citations by year
2026: 2 · 2025: 9 · 2024: 10 · 2023: 5 · 2022: 9 · 2021: 11 · 2020: 18 · 2019: 3 · 2018: 14 · 2017: 11 · 2016: 13 · 2015: 14 · 2014: 17 · 2013: 21 · 2012: 21
FWCI
1.56
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular and Cellular Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
AMPA receptors, receptor trafficking, exocytosis, lateral diffusion, synaptic plasticity, Alzheimer's disease, synaptic transmission
MeSH terms
Alzheimer Disease, Animals, Exocytosis, Humans, Models, Neurological, Synaptic Transmission, Neuronal Plasticity, Synapses, Long-Term Potentiation, Receptors, AMPA

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