Cited by 446Neuroscience and Neuropharmacology ResearchGenetics and Neurodevelopmental DisordersTreatment of Major Depression

Glutamate receptors regulate actin-based plasticity in dendritic spines

Fischer, Maria, Kaech, Stefanie, Wagner, Uta, Brinkhaus, Heike, Matus, Andrew·2000·Nature Neuroscience

Abstract

Dendritic spines at excitatory synapses undergo rapid, actin-dependent shape changes which may contribute to plasticity in brain circuits. Here we show that actin dynamics in spines are potently inhibited by activation of either AMPA or NMDA subtype glutamate receptors. Activation of either receptor type inhibited actin-based protrusive activity from the spine head. This blockade of motility caused spines to round up so that spine morphology became both more stable and more regular. Inhibition of spine motility by AMPA receptors was dependent on postsynaptic membrane depolarization and influx of Ca 2+ through voltage-activated channels. In combination with previous studies, our results suggest a two-step process in which spines initially formed in response to NMDA receptor activation are subsequently stabilized by AMPA receptors.

Integrity signals

Registry

Crossref · 10.1038/78791

Cites

4 of 4 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Fischer, M., Kaech, S., Wagner, U., Brinkhaus, H., & Matus, A.
Affiliations
Friedrich Miescher Institute (CH)
Corresponding author
Matus, Andrew
Venue
Nature Neuroscience
Published
2000-09
Volume
3
Issue
9
Pages
887-894
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W1479736082
Cited by
446
References
4
Citations by year
2026: 6 · 2025: 1 · 2024: 7 · 2023: 1 · 2022: 5 · 2021: 8 · 2020: 7 · 2019: 13 · 2018: 8 · 2017: 13 · 2016: 10 · 2015: 12 · 2014: 19 · 2013: 14 · 2012: 27
FWCI
11.08
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
dendritic spines, glutamate receptors, AMPA receptors, NMDA receptor, actin dynamics, spine motility, synaptic plasticity, dendritic spine morphology, postsynaptic depolarization, calcium influx, spinal stabilization
MeSH terms
Actins, Animals, Calcium, Cell Movement, Cells, Cultured, Dendrites, Hippocampus, Luminescent Proteins, Membrane Potentials, Mice, Transgenic, Neuronal Plasticity, Organ Culture Techniques, Synapses, Receptors, N-Methyl-D-Aspartate, Receptors, Glutamate, Receptors, AMPA, Cell Size, Green Fluorescent Proteins, Mice

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review