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 sha** the action
potential. Some of the K+ channels are primarily responsible for early repolarization …

Pharmacology of small-and intermediate-conductance calcium-activated potassium channels

BM Brown, H Shim, P Christophersen… - Annual review of …, 2020 - annualreviews.org
The three small-conductance calcium-activated potassium (KCa2) channels and the related
intermediate-conductance KCa3. 1 channel are voltage-independent K+ channels that …

Enhanced Ca2+-Dependent SK-Channel Gating and Membrane Trafficking in Human Atrial Fibrillation

J Heijman, X Zhou, S Morotti, CE Molina… - Circulation …, 2023 - Am Heart Assoc
Background: Small-conductance Ca2+-activated K+ (SK)–channel inhibitors have
antiarrhythmic effects in animal models of atrial fibrillation (AF), presenting a potential novel …

Small-conductance calcium-activated potassium (SK) channels contribute to action potential repolarization in human atria

L Skibsbye, C Poulet, JG Diness… - Cardiovascular …, 2014 - academic.oup.com
Aims Small-conductance calcium-activated potassium (SK) channels are expressed in the
heart of various species, including humans. The aim of the present study was to address …

Role of small-conductance calcium-activated potassium channels in atrial electrophysiology and fibrillation in the dog

XY Qi, JG Diness, BJJM Brundel, XB Zhou, P Naud… - Circulation, 2014 - Am Heart Assoc
Background—Recent evidence points to functional Ca2+-dependent K+ (SK) channels in
the heart that may govern atrial fibrillation (AF) risk, but the underlying mechanisms are …

Regulation of the SK3 channel by microRNA-499—potential role in atrial fibrillation

TY Ling, XL Wang, Q Chai, TW Lau, CM Koestler… - Heart Rhythm, 2013 - Elsevier
BACKGROUND: MicroRNAs are important regulators of gene expression, including those
involving electrical remodeling in atrial fibrillation (AF). Recently, KCNN3, the gene that …

Potassium currents in the heart: functional roles in repolarization, arrhythmia and therapeutics

N Chiamvimonvat, Y Chen‐Izu… - The Journal of …, 2017 - Wiley Online Library
This is the second of the two White Papers from the fourth UC Davis Cardiovascular
Symposium Systems Approach to Understanding Cardiac Excitation–Contraction Coupling …

[HTML][HTML] Atrial remodeling and atrial fibrillation in acquired forms of cardiovascular disease

HJ Jansen, LJ Bohne, AM Gillis, RA Rose - Heart Rhythm O2, 2020 - Elsevier
Atrial fibrillation (AF) is prevalent in common conditions and acquired forms of heart disease,
including diabetes mellitus (DM), hypertension, cardiac hypertrophy, and heart failure. AF is …

Cardiac small-conductance calcium-activated potassium channels in health and disease

XD Zhang, PN Thai, DK Lieu… - Pflügers Archiv-European …, 2021 - Springer
Abstract Small-conductance Ca 2+-activated K+(SK, K Ca 2) channels are encoded by
KCNN genes, including KCNN 1, 2, and 3. The channels play critical roles in the regulation …

Atrial arrhythmia in ageing spontaneously hypertensive rats: unraveling the substrate in hypertension and ageing

DH Lau, NJ Shipp, DJ Kelly, S Thanigaimani, M Neo… - PloS one, 2013 - journals.plos.org
Background Both ageing and hypertension are known risk factors for atrial fibrillation (AF)
although the pathophysiological contribution or interaction of the individual factors remains …