Evidence map›Paper›PMID 12019310›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2002

Receptor activation and homer differentially control the lateral mobility of metabotropic glutamate receptor 5 in the neuronal membrane.

Arnauld Sergé, Lawrence Fourgeaud, Agnès Hémar, Daniel Choquet

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 72 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
72citing papers in PubMed, 1 pooled it
3.8field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

72 citing papers in PubMed, 1 synthesis or guideline pooled it, 164 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Loss of mGluMolecular psychiatry · 2024
    Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Inhibitory Receptor Diffusion Dynamics.Frontiers in molecular neuroscience · 2019
    Article
  12. Functional organization of postsynaptic glutamate receptors.Molecular and cellular neurosciences · 2018
    Review
  13. Metabotropic glutamate receptor trafficking.Molecular and cellular neurosciences · 2018
    Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Protein Crowding within the Postsynaptic Density Can Impede the Escape of Membrane Proteins.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2016
    Article

12 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Arnauld SergéPhysiologie Cellulaire de la Synapse, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5091, Institut François Magendie, 33077 Bordeaux, France.
Lawrence Fourgeaud
Agnès Hémar
Daniel Choquet
Neurocentre Magendie · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Glutamate receptors are clustered at the membrane through interactions with intracellular scaffolding proteins and cytoskeletal elements but can also be found in intracellular compartments or dispersed in the membrane. This distribution results from an equilibrium between the different pools of receptors whose dynamic is poorly known. The group I metabotropic glutamate receptor 5 (mGluR5) is concentrated in an annulus around the postsynaptic density but also found in large amounts in the extrasynaptic membrane. To analyze the dynamic of stabilization of mGluR5, we used single-particle tracking, force measurements, and fluorescence recovery to measure the mobility of mGluR5. We found that receptor activation increases receptor diffusion, whereas the scaffolding protein Homer favors confinement of receptor movements within clusters of Homer-mGluR5. However, this stabilization is reversible, because even in the presence of Homer, receptors still enter and exit from clusters at fast rates. Furthermore, clusters themselves are highly dynamic both in their movements and in their composition, which can vary within tens of seconds. Thus, exchange of receptors between dispersed and clustered states is fast and regulated during physiological processes. These properties may explain certain fast changes in receptor composition observed at postsynaptic densities.

Indexed as

AnimalsCarrier ProteinsCell LineCell MembraneCells, CulturedDiffusionEpithelial CellsExcitatory Amino Acid AgonistsGreen Fluorescent ProteinsHomer Scaffolding ProteinsImmunohistochemistryLuminescent ProteinsMicroscopy, VideoMicrospheresNeuronsNeuropeptidesCarrier ProteinsExcitatory Amino Acid AgonistsGreen Fluorescent ProteinsGrm5 protein, ratHomer Scaffolding ProteinsLuminescent ProteinsNeuropeptidesProtein IsoformsProto-Oncogene Proteins c-mycReceptor, Metabotropic Glutamate 5Receptors, Metabotropic GlutamateRecombinant Fusion Proteins

Identifiers

PMID12019310
PMCPMC6757631
OpenAlexW1855068507

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.