The role of the funny current in pacemaker activity

D DiFrancesco - Circulation research, 2010 - Am Heart Assoc
Pacemaking is a basic physiological process, and the cellular mechanisms involved in this
function have always attracted the keen attention of investigators. The “funny”(I f) current …

Genesis and regulation of the heart automaticity

ME Mangoni, J Nargeot - Physiological reviews, 2008 - journals.physiology.org
The heart automaticity is a fundamental physiological function in higher organisms. The
spontaneous activity is initiated by specialized populations of cardiac cells generating …

[HTML][HTML] Tbx3 controls the sinoatrial node gene program and imposes pacemaker function on the atria

WMH Hoogaars, A Engel, JF Brons… - Genes & …, 2007 - genesdev.cshlp.org
The sinoatrial node initiates the heartbeat and controls the rate and rhythm of contraction,
thus serving as the pacemaker of the heart. Despite the crucial role of the sinoatrial node in …

Deep bradycardia and heart block caused by inducible cardiac-specific knockout of the pacemaker channel gene Hcn4

M Baruscotti, A Bucchi, C Viscomi… - Proceedings of the …, 2011 - National Acad Sciences
Cardiac pacemaking generation and modulation rely on the coordinated activity of several
processes. Although a wealth of evidence indicates a relevant role of the If (“funny,” or …

[HTML][HTML] A comparative review on heart ion channels, action potentials and electrocardiogram in rodents and human: extrapolation of experimental insights to clinic

S Joukar - Laboratory Animal Research, 2021 - Springer
Electrocardiogram (ECG) is a non-invasive valuable diagnostic tool that is used in clinics for
investigation and monitoring of heart electrical rhythm/conduction, ischemia/injury of heart …

Formation of the sinus node head and differentiation of sinus node myocardium are independently regulated by Tbx18 and Tbx3

C Wiese, T Grieskamp, R Airik… - Circulation …, 2009 - Am Heart Assoc
The sinus node (or sinoatrial node [SAN]), the pacemaker of the heart, is a functionally and
structurally heterogeneous tissue, which consists of a large “head” within the right caval vein …

[HTML][HTML] Quantitative proteomics and single-nucleus transcriptomics of the sinus node elucidates the foundation of cardiac pacemaking

N Linscheid, SJRJ Logantha, PC Poulsen… - Nature …, 2019 - nature.com
The sinus node is a collection of highly specialised cells constituting the heart's pacemaker.
The molecular underpinnings of its pacemaking abilities are debated. Using high-resolution …

[HTML][HTML] Cardiac electrophysiology in mice: a matter of size

S Kaese, S Verheule - Frontiers in physiology, 2012 - frontiersin.org
Over the last decade, mouse models have become a popular instrument for studying cardiac
arrhythmias. This review assesses in which respects a mouse heart is a miniature human …

Exploring HCN channels as novel drug targets

O Postea, M Biel - Nature reviews Drug discovery, 2011 - nature.com
Hyperpolarization-activated cyclic nucleotide-gated (HCN) channels have a key role in the
control of heart rate and neuronal excitability. Ivabradine is the first compound acting on …

[HTML][HTML] JMCC Point-Counterpoint: What keeps us ticking, a funny current, a Calcium clock, or both?

EG Lakatta, D DiFrancesco - Journal of molecular and cellular …, 2009 - ncbi.nlm.nih.gov
About 50 years ago, pioneering work initiated by Silvio Weidmann and others applied the
Hodgkin-Huxley formalism of membrane excitation to interpret the cardiac electrical activity …