Evidence map›Paper›PMID 25296378›Full record

ArticleMedical science monitor basic research2014

Pioglitazone improves potassium channel remodeling induced by angiotensin II in atrial myocytes.

Jun Gu, Wei Hu, Xu Liu

Open access · greenAbstract read
In one paragraph

Article in Medical science monitor basic research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 25% 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

11 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Review
  6. Article
  7. Article
  8. Pioglitazone, a PPAR-γ Activator, Stimulates BKFrontiers in pharmacology · 2018
    Article
  9. Article
  10. MicroRNA-137 Negatively Regulates H₂O₂-Induced Cardiomyocyte Apoptosis Through CDC42.Medical science monitor : international medical journal of experimental and clinical research · 2015
    Article
  11. Taurine Reverses Atrial Structural Remodeling in Ach-CaclAdvances in experimental medicine and biology
    Article
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

3 authors at 2 institutions in 1 country.

Jun GuDepartment of Cardiology, Shanghai Minhang District Central Hospital, Fudan University, Shanghai, China (mainland).
Wei HuDepartment of Cardiology, Shanghai Minhang District Central Hospital, Fudan University, Shanghai, China (mainland).
Xu LiuDepartment of Cardiology, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai, China (mainland).
Minhang District Central Hospital · CNShanghai Jiao Tong University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIt has been demonstrated that atrial electrical remodeling contributes toward atrial fibrillation (AF) maintenance, and that angiotensin II (AngII) is involved in the pathogenesis of atrial electrical remodeling. Peroxisome proliferator activated receptor-γ (PPAR-γ) agonists have been shown to inhibit atrial electrical remodeling, but the underlying mechanisms are poorly understood. In the present study we investigated the regulating effects of PPAR-g agonist on AngII-induced potassium channel remodeling in atrial myocytes. MATERIAL/

methodsWhole-cell patch-clamp technique was used to record transient outward potassium current (Ito), ultra-rapid delayed rectifier potassium (Ikur), and inward rectifier potassium current (Ik1). Real-time PCR was used to assess potassium channel subunit mRNA expression.

resultsCompared with the control group, AngII reduced Ito and Ikur current density as well as amplified Ik1 current density, which were partially prevented by pioglitazone. Furthermore, pioglitazone alleviated the downregulation of Ito subunit (Kv 4.2) and Ikur subunit (Kv 1.5), as well as the upregulation of Ik1 subunit (Kir 2.1 and Kir 2.2) mRNA expression stimulated by AngII.

conclusionsThese results suggest that pioglitazone exhibits a beneficial effect on AngII-induced potassium channel remodeling. PPAR-γ agonists may be potentially effective up-stream therapies for AF.

Indexed as

Angiotensin IIAnimalsAtrial RemodelingCell LineElectrophysiological PhenomenaGene Expression RegulationHeart AtriaIon Channel GatingMiceMyocytes, CardiacPioglitazonePotassium ChannelsReal-Time Polymerase Chain ReactionRNA, MessengerThiazolidinedionesAngiotensin IIPioglitazonePotassium ChannelsRNA, MessengerThiazolidinediones

Identifiers

PMID25296378
PMCPMC4206483
OpenAlexW2006570186

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.