Cardiac potassium channel subtypes: new roles in repolarization and arrhythmia

N Schmitt, M Grunnet, SP Olesen - Physiological reviews, 2014 - journals.physiology.org
About 10 distinct potassium channels in the heart are involved in shaping the action
potential. Some of the K+ channels are primarily responsible for early repolarization …

Biased agonism at adenosine receptors

SM McNeill, JA Baltos, PJ White, LT May - Cellular Signalling, 2021 - Elsevier
Adenosine modulates many aspects of human physiology and pathophysiology through
binding to the adenosine family of G protein-coupled receptors, which are comprised of four …

Medium-chain fatty acids modulate myocardial function via a cardiac odorant receptor

N Jovancevic, A Dendorfer, M Matzkies… - Basic research in …, 2017 - Springer
Several studies have demonstrated the expression of odorant receptors (OR) in various
human tissues and their involvement in different physiological and pathophysiological …

Effect of selective IK,ACh inhibition by XAF‐1407 in an equine model of tachypacing‐induced persistent atrial fibrillation

MF Fenner, H Carstensen… - British journal of …, 2020 - Wiley Online Library
Background and Purpose Inhibition of the G‐protein gated ACh‐activated inward rectifier
potassium current, IK, ACh may be an effective atrial selective treatment strategy for atrial …

Selective Inhibition of Pulmonary Vein Excitability by Constitutively Active GIRK Channels Blockade in Rats

I Findlay, C Pasqualin, A Yu, V Maupoil… - International Journal of …, 2023 - mdpi.com
Pulmonary veins (PV) are the main source of ectopy, triggering atrial fibrillation. This study
investigated the roles of G protein-coupled inwardly rectifying potassium (GIRK) channels in …

In Silico Assessment of Class I Antiarrhythmic Drug Effects on Pitx2-Induced Atrial Fibrillation: Insights from Populations of Electrophysiological Models of Human …

J Bai, Y Zhu, A Lo, M Gao, Y Lu, J Zhao… - International Journal of …, 2021 - mdpi.com
Electrical remodelling as a result of homeodomain transcription factor 2 (Pitx2)-dependent
gene regulation was linked to atrial fibrillation (AF) and AF patients with single nucleotide …

Adenosine and adenosine receptors: Advances in atrial fibrillation

B Maille, N Lalevee, M Marlinge, J Vahdat, G Mottola… - Biomedicines, 2022 - mdpi.com
Atrial fibrillation (AF) is the most common arrhythmia in the world. Because the key to
developing innovative therapies that limit the onset and the progression of AF is to fully …

Inhibition of adenosine pathway alters atrial electrophysiology and prevents atrial fibrillation

L Soattin, AF Lubberding, BH Bentzen, T Christ… - Frontiers in …, 2020 - frontiersin.org
Background Adenosine leads to atrial action potential (AP) shortening through activation of
adenosine 1 receptors (A1-R) and subsequent opening of G-protein-coupled inwardly …

Novel K+ channel targets in atrial fibrillation drug development—where are we?

S El-Haou, JW Ford, JT Milnes - Journal of Cardiovascular …, 2015 - journals.lww.com
There is a clear unmet medical need for new pharmacologic therapies with improved
efficacy and safety for the treatment of atrial fibrillation. Considerable research efforts have …

Inhibition of small conductance calcium-activated potassium (SK) channels prevents arrhythmias in rat atria during β-adrenergic and muscarinic receptor activation

L Skibsbye, AK Bengaard, AM Uldum-Nielsen… - Frontiers in …, 2018 - frontiersin.org
Sympathetic and vagal activation is linked to atrial arrhythmogenesis. Here we investigated
the small conductance Ca2+-activated K+ (SK)-channel pore-blocker N-(pyridin-2-yl)-4 …