Molecular physiology of cardiac repolarization

JM Nerbonne, RS Kass - Physiological reviews, 2005 - journals.physiology.org
The heart is a rhythmic electromechanical pump, the functioning of which depends on action
potential generation and propagation, followed by relaxation and a period of refractoriness …

[HTML][HTML] Potassium channels in behavioral brain disorders. Molecular mechanisms and therapeutic potential: a narrative review.

KA Alam, P Svalastoga, A Martinez, JC Glennon… - Neuroscience & …, 2023 - Elsevier
Abstract Potassium channels (K+-channels) selectively control the passive flow of potassium
ions across biological membranes and thereby also regulate membrane excitability. Genetic …

Structural basis of human KCNQ1 modulation and gating

J Sun, R MacKinnon - Cell, 2020 - cell.com
KCNQ1, also known as Kv7. 1, is a voltage-dependent K+ channel that regulates gastric
acid secretion, salt and glucose homeostasis, and heart rhythm. Its functional properties are …

The membrane electric field regulates the PIP2-binding site to gate the KCNQ1 channel

VS Mandala, R MacKinnon - Proceedings of the National …, 2023 - National Acad Sciences
Voltage-dependent ion channels underlie the propagation of action potentials and other
forms of electrical activity in cells. In these proteins, voltage sensor domains (VSDs) regulate …

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 …

Food security in Australia in an era of neoliberalism, productivism and climate change

G Lawrence, C Richards, K Lyons - Journal of Rural Studies, 2013 - Elsevier
For over 150 years Australia has exported bulk, undifferentiated, commodities such as wool,
wheat, meat and sugar to the UK and more recently to Japan, Korea, and the Middle East. It …

Ancillary Subunits Associated With Voltage-Dependent K+ Channels

O Pongs, JR Schwarz - Physiological reviews, 2010 - journals.physiology.org
Since the first discovery of Kvβ-subunits more than 15 years ago, many more ancillary Kv
channel subunits were characterized, for example, KChIPs, KCNEs, and BKβ-subunits. The …

The KCNQ1 potassium channel: from gene to physiological function

T Jespersen, M Grunnet, SP Olesen - Physiology, 2005 - journals.physiology.org
The voltage-gated KCNQ1 (KvLQT1, Kv7. 1) potassium channel plays a crucial role in
shaping the cardiac action potential as well as in controlling the water and salt homeostasis …

STIM1 has a plasma membrane role in the activation of store-operated Ca2+ channels

MA Spassova, J Soboloff, LP He… - Proceedings of the …, 2006 - National Acad Sciences
Receptor-induced Ca2+ signals are key to the function of all cells and involve release of
Ca2+ from endoplasmic reticulum (ER) stores, triggering Ca2+ entry through plasma …

Molecular determinants of cardiac transient outward potassium current (Ito) expression and regulation

N Niwa, JM Nerbonne - Journal of molecular and cellular cardiology, 2010 - Elsevier
Rapidly activating and inactivating cardiac transient outward K+ currents, Ito, are expressed
in most mammalian cardiomyocytes, and contribute importantly to the early phase of action …