ArticleCirculation. Arrhythmia and electrophysiology2018
Modulation of Cardiac Ventricular Excitability by GLP-1 (Glucagon-Like Peptide-1).
Article in Circulation. Arrhythmia and electrophysiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 1 of them a synthesis that pooled it.
What it found
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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.
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.
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Who cites it
31 citing papers in PubMed, 1 synthesis or guideline pooled it, 42 citations in OpenAlex.
- A meta-analysis evaluating indirectly GLP-1 receptor agonists and arrhythmias in patients with type 2 diabetes and myocardial infarction.Frontiers in cardiovascular medicine · 2022Pooled it
- Semaglutide Reverses Ectopic Lipid Accumulation, Impaired Myocardial Perfusion Reserve, and Diastolic Dysfunction in a Mouse Model of Cardiometabolic Heart Disease.JACC. Basic to translational science · 2026Article
- Exploring the therapeutic potential of GLP-1 receptor agonists in pulmonary arterial hypertension.ERJ open research · 2026Review
- GLP-1 activates KNature communications · 2026Article
- Potential Antiarrhythmic Mechanisms of Glucagon-Like Peptide-1 Receptor Agonists (GLP-1RAs).Drug design, development and therapy · 2026Review
- Association Between Glucagon-Like Peptide-1 Receptor Agonists and Risk of Arrhythmias.Journal of arrhythmia · 2025Article
- GLP-1 Receptor Agonists in Heart Failure.Biomolecules · 2025Review
- Modern antidiabetic therapy by sodium-glucose cotransporter 2 inhibitors, glucagon-like peptide 1 receptor agonists, and dipeptidyl peptidase 4 inhibitors against cardiovascular diseases.Pharmacological reviews · 2025Review
- Exploring the effects of glucagon-like peptide-1 receptor agonists on ventricular arrhythmias: a propensity score-matched analysis.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2025Article
- Glucagon-Like Peptide-1 Links Ingestion, Homeostasis, and the Heart.Comprehensive Physiology · 2025Review
- Acute GLP-1 Agonism Induces Arrhythmogenic Electrical Activity in Aged Mice Heart Through Impaired Cellular Na+ and Ca2+ Handlings: The Role of CK2 Hyperphosphorylation.Anatolian journal of cardiology · 2025Article
- Glucagon-like peptide-1 receptor agonist use is associated with reduced risk of out-of-hospital cardiac arrest in women with type 2 diabetes: A nationwide nested case-control study.Resuscitation plus · 2024Article
- Remodeling of the Intracardiac Ganglia During the Development of Cardiovascular Autonomic Dysfunction in Type 2 Diabetes: Molecular Mechanisms and Therapeutics.International journal of molecular sciences · 2024Review
- Does Incretin Agonism Have Sustainable Efficacy?Cells · 2024Review
- Cyclic adenosine monophosphate critically modulates cardiac GLP-1 receptor's anti-inflammatory effects.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2024Article
- Glucagon-like peptide-1 increases heart rate by a direct action on the sinus node.Cardiovascular research · 2024Article
- Cyclic Adenosine Monophosphate in Cardiac and Sympathoadrenal GLP-1 Receptor Signaling: Focus on Anti-Inflammatory Effects.Pharmaceutics · 2024Review
- Multifaceted Roles of GLP-1 and Its Analogs: A Review on Molecular Mechanisms with a Cardiotherapeutic Perspective.Pharmaceuticals (Basel, Switzerland) · 2023Review
- Liraglutide provides cardioprotection through the recovery of mitochondrial dysfunction and oxidative stress in aging hearts.Journal of physiology and biochemistry · 2023Article
- Association of glucagon-like peptide-1 receptor agonists with cardiac arrhythmias in patients with type 2 diabetes or obesity: a systematic review and meta-analysis of randomized controlled trials.Diabetology & metabolic syndrome · 2022Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
13 authors at 1 institution in 1 country.
Funding
Abstract
backgroundGlucagon-like peptide-1 receptor (GLP-1R) agonists improve cardiovascular outcomes in patients with type 2 diabetes mellitus. However, systemic actions of these agents cause sympathetic activation, which is generally considered to be detrimental in cardiovascular disease. Despite significant research interest in cardiovascular biology of GLP-1, the presence of GLP-1R in ventricular cardiomyocytes remains a controversial issue, and the effects of this peptide on the electrical properties of intact ventricular myocardium are unknown. We sought to determine the effects of GLP-1R agonist exendin-4 (Ex4) on ventricular action potential duration (APD) and susceptibility to ventricular arrhythmia in the rat heart in vivo and ex vivo.
methodsVentricular monophasic action potentials were recorded in anaesthetized (urethane) rats in vivo and isolated perfused rat hearts during sinus rhythm and ventricular pacing.
resultsIn vivo, systemic administration of Ex4 (5 μg/kg intravenously) increased heart rate, and this effect was abolished by β-adrenoceptor blockade. Despite causing sympathetic activation, Ex4 increased APD at 90% repolarization during ventricular pacing by 7% ( P=0.044; n=6) and reversed the effect of β-adrenoceptor agonist dobutamine on APD at 90% repolarization. In isolated perfused hearts, Ex4 (3 nmol/L) increased APD at 90% repolarization by 14% ( P=0.015; n=6) with no effect on heart rate. Ex4 also reduced ventricular arrhythmia inducibility in conditions of β-adrenoceptor stimulation with isoproterenol. Ex4 effects on APD and ventricular arrhythmia susceptibility were prevented in conditions of muscarinic receptor blockade or inhibition of nitric oxide synthase.
conclusionsThese data demonstrate that GLP-1R activation effectively opposes the effects of β-adrenoceptor stimulation on cardiac ventricular excitability and reduces ventricular arrhythmic potential. The effect of GLP-1R activation on the ventricular myocardium is indirect, mediated by acetylcholine and nitric oxide and, therefore, can be explained by stimulation of cardiac parasympathetic (vagal) neurons.
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Registered trials
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.