Evidence map›Paper›PMID 22323580›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2012

Trafficking of gap junction channels at a vertebrate electrical synapse in vivo.

Carmen E Flores, Srikant Nannapaneni, Kimberly G V Davidson, Thomas Yasumura, Michael V L Bennett, John E Rash, Alberto E Pereda

Erratum issuedOpen access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed
3.2field-weighted citation impact, top 7% 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

52 citing papers in PubMed, 85 citations in OpenAlex.

  1. Defining the electrical synapse.Nature reviews. Neuroscience · 2026
    Review
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Trafficking of Connexin36 (Cx36) in the early secretory pathway.bioRxiv : the preprint server for biology · 2024
    Article
  9. Article
  10. Temporal signals drive the emergence of multicellular information networks.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  11. Article
  12. Article
  13. Localization of NaThe Journal of physiology · 2021
    Article
  14. Article
  15. Article
  16. Review
  17. Network Architecture of Gap Junctional Coupling among Parallel Processing Channels in the Mammalian Retina.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020
    Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

Carmen E FloresDominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
Srikant Nannapaneni
Kimberly G V Davidson
Thomas Yasumura
Michael V L Bennett
John E Rash
Alberto E Pereda
Albert Einstein College of Medicine · USColorado State University · US

Funding

Plasticity of Electrical SynapsesR01DC011099 · NIDCD · ALBERT EINSTEIN COLLEGE OF MEDICINE, INC · PI Alberto E Pereda · 2010 to 2026
$7.0M
Connexins in Neuronal and Glial Gap Junctions in the Central Nervous SystemR01NS044395 · NINDS · COLORADO STATE UNIVERSITY-FORT COLLINS · PI RASH, JOHN E · 2002 to 2012
$3.5M
Cx43 Hemichannels: Gating, Modification and FunctionR01NS055363 · NINDS · ALBERT EINSTEIN COLLEGE OF MEDICINE · PI BENNETT, MICHAEL V L · 2007 to 2011
$1.6M
Gap Junctions and Connexins in Developing CNSR01NS044010 · NINDS · COLORADO STATE UNIVERSITY-FORT COLLINS · PI RASH, JOHN E · 2002 to 2005
$1.1M
Control of Junctional Conductance at Auditory AfferentR56DC003186 · NIDCD · ALBERT EINSTEIN COLLEGE OF MEDICINE · PI PEREDA, ALBERTO E · 2009 to 2009
$429k
Connexins in Neuronal and Glial Gap Junctions in the Central Nervous SystemR56NS044395 · NINDS · COLORADO STATE UNIVERSITY · PI RASH, JOHN E · 2007 to 2007
$360k
JEOL 2000EX TRANSMISSION ELECTRON MICROSCOPE &CRYOSTAGES10RR005831 · NCRR · COLORADO STATE UNIVERSITY-FORT COLLINS · PI RASH, JOHN E · 1990 to 1990
–
JEOL JFD-9010-CR FREEZE-FRACTURE MACHINES10RR008329 · NCRR · COLORADO STATE UNIVERSITY-FORT COLLINS · PI RASH, JOHN E · 1993 to 1993
–
NCRR NIH HHS S10RR5831NCRR NIH HHS S10RR8329NIDCD NIH HHS DC11099NIDCD NIH HHS R01 DC011099NIDCD NIH HHS R56 DC003186NIDCD NIH HHS R56DC3186NINDS NIH HHS NS44010NINDS NIH HHS NS44395NINDS NIH HHS NS552827NINDS NIH HHS NS55363NINDS NIH HHS R01 NS044010NINDS NIH HHS R01 NS044395NINDS NIH HHS R01 NS055363NINDS NIH HHS R56 NS044395
6 · The paper itself

Abstract

Trafficking and turnover of transmitter receptors required to maintain and modify the strength of chemical synapses have been characterized extensively. In contrast, little is known regarding trafficking of gap junction components at electrical synapses. By combining ultrastructural and in vivo physiological analysis at identified mixed (electrical and chemical) synapses on the goldfish Mauthner cell, we show here that gap junction hemichannels are added at the edges of GJ plaques where they dock with hemichannels in the apposed membrane to form cell-cell channels and, simultaneously, that intact junctional regions are removed from centers of these plaques into either presynaptic axon or postsynaptic dendrite. Moreover, electrical coupling is readily modified by intradendritic application of peptides that interfere with endocytosis or exocytosis, suggesting that the strength of electrical synapses at these terminals is sustained, at least in part, by fast (in minutes) turnover of gap junction channels. A peptide corresponding to a region of the carboxy terminus that is conserved in Cx36 and its two teleost homologs appears to interfere with formation of new gap junction channels, presumably by reducing insertion of hemichannels on the dendritic side. Thus, our data indicate that electrical synapses are dynamic structures and that their channels are turned over actively, suggesting that regulated trafficking of connexons may contribute to the modification of gap junctional conductance.

Indexed as

AnimalsBiological TransportCell CommunicationConnexinsElectrical SynapsesEndocytosisExocytosisFreeze FracturingGap Junction delta-2 ProteinGoldfishImmunohistochemistryIon ChannelsMembrane FusionNeuronal PlasticityPeptide FragmentsProtein TransportConnexinsGap Junction delta-2 ProteinIon ChannelsPeptide FragmentsSNARE ProteinsSynaptosomal-Associated Protein 25

Identifiers

PMID22323580
PMCPMC3295297
OpenAlexW2052157528

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.