Evidence map›Paper›PMID 25183791›Full record

ArticleCardiovascular research2014

The role of gap junctions in stretch-induced atrial fibrillation.

Norihiro Ueda, Mitsuru Yamamoto, Haruo Honjo, Itsuo Kodama, Kaichiro Kamiya

Open access · hybridAbstract read
In one paragraph

Article in Cardiovascular research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.6field-weighted citation impact, top 15% 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

15 citing papers in PubMed, 24 citations in OpenAlex.

  1. Epicardial muscle bundles in persistent atrial fibrillation: from overlooked bystanders to arrhythmogenic modulators.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2026
    Review
  2. Review
  3. Review
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  7. New Strategies for the Treatment of Atrial Fibrillation.Pharmaceuticals (Basel, Switzerland) · 2021
    Review
  8. Article
  9. Therapeutic strategies targeting connexins.Nature reviews. Drug discovery · 2018
    Review
  10. Review
  11. Review
  12. Article
  13. Article
  14. Review
  15. Rabbit models of cardiac mechano-electric and mechano-mechanical coupling.Progress in biophysics and molecular biology · 2016
    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

5 authors at 1 institution in 1 country.

Norihiro UedaDepartment of Cardiovascular Research, Research Institute of Environmental Medicine, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan nueda@riem.nagoya-u.ac.jp.
Mitsuru YamamotoDepartment of Cardiovascular Research, Research Institute of Environmental Medicine, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan.
Haruo HonjoDepartment of Cardiovascular Research, Research Institute of Environmental Medicine, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan.
Itsuo KodamaNagoya University, Nagoya, Japan.
Kaichiro KamiyaDepartment of Cardiovascular Research, Research Institute of Environmental Medicine, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan.
Nagoya University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimsThe aim of this study was to investigate the role of gap junctions in atrial fibrillation (AF) by analysing the effects of a gap junction enhancer and blocker on AF vulnerability and electrophysiological properties of isolated hearts. METHODS AND

resultsThe acute atrial stretch model of AF in the isolated rabbit heart was used. Sustained AF (SAF) was induced by a burst of high-frequency stimulation of the Bachmann's bundle. The effective refractory period (ERP) was measured, and the total conduction time (TCT) and the pattern of conduction of the anterior surface of the left atrium were monitored by using an optical mapping system. The effect of enhancing gap junction function by 100-1000 nM rotigaptide (ZP123) and block by 30 μM carbenoxolone on these parameters was measured. SAF inducibility was increased with an elevation of intra-atrial pressure. Enhanced gap junction conductance induced by treatment with 100-1000 nM rotigaptide reduced SAF inducibility, and the gap junction blocker carbenoxolone increased SAF inducibility. In the absence of gap junction enhancer or blocker, normal conduction was observed at 0 cmH2O. When intra-atrial pressure was raised to 12 cmH2O, the conduction pattern was changed to a heterogeneous zig-zag pattern and TCT was prolonged. Conduction pattern was not affected by either agent. Rotigaptide shortened TCT, whereas carbenoxolone prolonged TCT. ERP was significantly shortened with an increase in intra-atrial pressure, but ERP was unaffected by either agent.

conclusionGap junction modulators changed AF inducibility through their effects on atrial conduction, not by altering ERP.

Indexed as

Atrial PressureHeart RateMechanotransduction, CellularAction PotentialsAnimalsAnti-Arrhythmia AgentsAtrial FibrillationCarbenoxoloneGap JunctionsHeart AtriaIsolated Heart PreparationMaleMuscle SpindlesOligopeptidesRabbitsRefractory Period, ElectrophysiologicalAnti-Arrhythmia AgentsCarbenoxoloneOligopeptidesrotigaptideAtrial fibrillationCarbenoxoloneGap junctionRotigaptide

Identifiers

PMID25183791
PMCPMC4217686
OpenAlexW2046923924

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Registered trials

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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.