[HTML][HTML] hERG K+ channels: structure, function, and clinical significance

JI Vandenberg, MD Perry, MJ Perrin… - Physiological …, 2012 - journals.physiology.org
The human ether-a-go-go related gene (hERG) encodes the pore-forming subunit of the
rapid component of the delayed rectifier K+ channel, Kv11. 1, which are expressed in the …

Hyperpolarization-activated cation channels: from genes to function

M Biel, C Wahl-Schott, S Michalakis… - Physiological …, 2009 - journals.physiology.org
Hyperpolarization-activated cyclic nucleotide-gated (HCN) channels comprise a small
subfamily of proteins within the superfamily of pore-loop cation channels. In mammals, the …

Molecular pathophysiology of congenital long QT syndrome

MS Bohnen, G Peng, SH Robey… - Physiological …, 2017 - journals.physiology.org
Ion channels represent the molecular entities that give rise to the cardiac action potential,
the fundamental cellular electrical event in the heart. The concerted function of these …

Cardiac physiology at the cellular level: use of cultured HL-1 cardiomyocytes for studies of cardiac muscle cell structure and function

SM White, PE Constantin… - American Journal of …, 2004 - journals.physiology.org
HL-1 cells are currently the only cardiomyocyte cell line available that continuously divides
and spontaneously contracts while maintaining a differentiated cardiac phenotype …

The hERG potassium channel and hERG screening for drug-induced torsades de pointes

JC Hancox, MJ McPate, A El Harchi… - Pharmacology & …, 2008 - Elsevier
Drug-induced torsades de pointes (TdP) arrhythmia is a major safety concern in the process
of drug design and development. The incidence of TdP tends to be low, so early pre-clinical …

QT prolongation through hERG K+ channel blockade: Current knowledge and strategies for the early prediction during drug development

M Recanatini, E Poluzzi, M Masetti… - Medicinal research …, 2005 - Wiley Online Library
Prolongation of the QT interval of the electrocardiogram is a typical effect of Class III
antiarrhythmic drugs, achieved through blockade of potassium channels. In the past decade …

Variability in the measurement of hERG potassium channel inhibition: effects of temperature and stimulus pattern

GE Kirsch, ES Trepakova, JC Brimecombe… - … of pharmacological and …, 2004 - Elsevier
INTRODUCTION: In vitro evaluation of drug effects on hERG K+ channels is a valuable tool
for identifying potential proarrhythmic side effects in drug safety testing. Patch-clamp …

[HTML][HTML] Recent advances in understanding sex differences in cardiac repolarization

AF James, SCM Choisy, JC Hancox - Progress in biophysics and molecular …, 2007 - Elsevier
A number of gender differences exist in the human electrocardiogram (ECG): the P-wave
and PR intervals are slightly longer in men than in women, whilst women have higher …

The challenges of predicting drug-induced QTc prolongation in humans

JP Valentin, P Hoffmann… - Toxicological …, 2022 - academic.oup.com
The content of this article derives from a Health and Environmental Sciences Institute (HESI)
consortium with a focus to improve cardiac safety during drug development. A detailed …

Regulation of HCN channels by protein interactions

CH Peters, RK Singh, JR Bankston… - Frontiers in Physiology, 2022 - frontiersin.org
Hyperpolarization-activated, cyclic nucleotide-sensitive (HCN) channels are key regulators
of subthreshold membrane potentials in excitable cells. The four mammalian HCN channel …