Evidence map›Paper›PMID 35856091›Full record

ArticleCell research2022

Arc weakens synapses by dispersing AMPA receptors from postsynaptic density via modulating PSD phase separation.

Xudong Chen, Bowen Jia, Yoichi Araki, Bian Liu, Fei Ye, Richard Huganir, Mingjie Zhang

Open access · bronzeAbstract read
In one paragraph

Article in Cell research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
3.0field-weighted citation impact, top 8% 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

21 citing papers in PubMed, 31 citations in OpenAlex.

  1. Article
  2. Article
  3. Nanoscale Spatial Organization of ARC High- and Low-Order Assemblies at Excitatory Synapses.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
    Article
  4. PrPStem cell reports · 2026
    Article
  5. Review
  6. Review
  7. Article
  8. Article
  9. "Arc - A viral vector of memory and synaptic plasticity".Current opinion in neurobiology · 2025
    Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Article
  17. Review
  18. Article
  19. Review
  20. Synaptic memory and CaMKII.Physiological reviews · 2023
    Review
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

7 authors at 2 institutions in 3 countries.

Xudong Chen *Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
Bowen Jia *Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
Yoichi ArakiDepartment of Neuroscience and Kavli Neuroscience Discovery Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Bian LiuDepartment of Neuroscience and Kavli Neuroscience Discovery Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Fei YeDivision of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
Richard HuganirDepartment of Neuroscience and Kavli Neuroscience Discovery Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA.ORCID 0000-0001-9783-5183
Mingjie ZhangDivision of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China. zhangmj@sustech.edu.cn.
Hong Kong University of Science and Technology · HKJohns Hopkins University · US

Funding

PDZ DOMAINS AND EXCITATORY SYNAPTIC FUNCTIONR01NS036715 · NINDS · JOHNS HOPKINS UNIVERSITY · PI HUGANIR, RICHARD L · 1997 to 2020
$8.6M
The Dynamic AMPA Receptor Interactome During Plasticity and LearningR37NS036715 · NINDS · JOHNS HOPKINS UNIVERSITY · PI Richard L Huganir · 2022 to 2026
$3.2M
Characterization of SynGAP Mutations in Human Cognitive DisordersR01MH112151 · NIMH · JOHNS HOPKINS UNIVERSITY · PI HUGANIR, RICHARD L · 2017 to 2021
$2.7M
NIMH NIH HHS R01 MH112151NINDS NIH HHS R01 NS036715NINDS NIH HHS R37 NS036715
6 · The paper itself

Abstract

In response to stimuli, the immediate early gene product Arc can acutely down-regulate synaptic strength by removing AMPA receptors (AMPARs) from synapses and thus regulate synaptic plasticity. How Arc, a scaffold protein, can specifically facilitate synaptic removal of AMPARs is unknown. We found that Arc directly antagonizes with PSD-95 in binding to TARPs, which are the auxiliary subunits of AMPARs. Arc, in a highly concentration-sensitive manner, acutely disperses TARPs from the postsynaptic density (PSD) condensate formed via phase separation. TARPs with the Ser residue in the "P-S-Y"-motif of its tail phosphorylated are completely refractory from being dispersed by Arc, suggesting that Arc cannot displace AMPARs from PSDs in active synapses. Conversely, strengthening the interaction between Arc and TARPs enhances Arc's capacity in weakening synapses. Thus, Arc can specifically and effectively modulate synaptic AMPAR clustering via modulating PSD phase separation. Our study further suggests that activity-dependent, bi-directional modulation of PSD condensate formation/dispersion represents a general regulatory mechanism for synaptic plasticity.

Indexed as

Post-Synaptic DensityReceptors, AMPADisks Large Homolog 4 ProteinNeuronal PlasticitySynapsesSynaptic TransmissionDisks Large Homolog 4 ProteinReceptors, AMPA

Identifiers

PMID35856091
PMCPMC9525282
OpenAlexW4285730687

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.