Predicting drug‐induced changes in QT interval and arrhythmias: QT‐shortening drugs point to gaps in the ICHS7B Guidelines

HR Lu, E Vlaminckx, AN Hermans… - British journal of …, 2008 - Wiley Online Library
Background and purpose: The regulatory guidelines (ICHS7B) recommending inhibition of
the delayed rectifier K+ current (IKr), carried by human ether‐a‐go‐go‐related gene (hERG) …

Initial segment Kv2. 2 channels mediate a slow delayed rectifier and maintain high frequency action potential firing in medial nucleus of the trapezoid body neurons

J Johnston, SJ Griffin, C Baker… - The Journal of …, 2008 - Wiley Online Library
The medial nucleus of the trapezoid body (MNTB) is specialized for high frequency firing by
expression of Kv3 channels, which minimize action potential (AP) duration, and Kv1 …

Impedance-based detection of beating rhythm and proarrhythmic effects of compounds on stem cell-derived cardiomyocytes

MKB Jonsson, QD Wang, B Becker - Assay and drug development …, 2011 - liebertpub.com
The xCELLigence real time cell analyzer Cardio system offers a new system for real-time
cell analysis that measures impedance-based signals in a label-free noninvasive manner …

Electrophysiological characterization of the hERG R56Q LQTS variant and targeted rescue by the activator RPR260243

JM Kemp, DG Whittaker, R Venkateshappa… - Journal of General …, 2021 - rupress.org
Human Ether-à-go-go (hERG) channels contribute to cardiac repolarization, and inherited
variants or drug block are associated with long QT syndrome type 2 (LQTS2) and …

The hERG channel activator, RPR260243, enhances protective IKr current early in the refractory period reducing arrhythmogenicity in zebrafish hearts

YP Shi, ZK Pang, R Venkateshappa… - American Journal …, 2020 - journals.physiology.org
Human ether-à-go-go related gene (hERG) K+ channels are important in cardiac
repolarization, and their dysfunction causes prolongation of the ventricular action potential …

Reciprocal control of hERG stability by Hsp70 and Hsc70 with implication for restoration of LQT2 mutant stability

P Li, H Ninomiya, Y Kurata, M Kato, J Miake… - Circulation …, 2011 - Am Heart Assoc
Rationale: The human ether-a-go-go–related gene (hERG) encodes the α subunit of the
potassium current I Kr. It is highly expressed in cardiomyocytes and its mutations cause long …

Electrophysiologic characterization of a novel hERG channel activator

Z Su, J Limberis, A Souers, P Kym, A Mikhail… - Biochemical …, 2009 - Elsevier
Activators of the human ether-a-go-go-related gene (hERG) K+ channel have been reported
recently to enhance hERG current amplitude (five synthetic small molecules and one …

[PDF][PDF] Genetically engineered mice as a model for studying cardiac arrhythmias

J Tamargo, R Caballero, L Núñez, R Gómez… - Front Biosci, 2007 - researchgate.net
Introduction 3. Genetic manipulation of channel function in the mice 3.1. Functional
consequences of targeting Ito and IK in the mouse 3.2. Voltage-gated channels underlying …

Powerful technique to test selectivity of agents acting on cardiac ion channels: the action potential voltage-clamp

N Szentandrassy, D Nagy… - Current medicinal …, 2011 - benthamdirect.com
Action potential voltage-clamp (APVC) is a technique to visualize the profile of various
currents during the cardiac action potential. This review summarizes potential applications …

Characterization of Erg K+ channels in α-and β-cells of mouse and human islets

AB Hardy, JEM Fox, PR Giglou, N Wijesekara… - Journal of Biological …, 2009 - ASBMB
Voltage-gated eag-related gene (Erg) K+ channels regulate the electrical activity of many
cell types. Data regarding Erg channel expression and function in electrically excitable …