Embryonic Stem Cell–Derived CD166+ Precursors Develop Into Fully Functional Sinoatrial-Like Cells

A Scavone, D Capilupo, N Mazzocchi, A Crespi… - Circulation …, 2013 - Am Heart Assoc
Rationale: A cell-based biological pacemaker is based on the differentiation of stem cells
and the selection of a population displaying the molecular and functional properties of native …

Sinoatrial node structure, mechanics, electrophysiology and the chronotropic response to stretch in rabbit and mouse

EA MacDonald, J Madl, J Greiner, AF Ramadan… - Frontiers in …, 2020 - frontiersin.org
The rhythmic electrical activity of the heart's natural pacemaker, the sinoatrial node (SAN),
determines cardiac beating rate (BR). SAN electrical activity is tightly controlled by multiple …

New therapeutic targets in cardiology: heart failure and arrhythmia: HCN channels

F Roubille, JC Tardif - Circulation, 2013 - Am Heart Assoc
There are 4 isoforms of HCN channels, and the expression of all of them has been reported
in the myocardium, albeit at low levels for HCN3. 19, 22 The relative expression profiles of …

Funny current and cardiac rhythm: insights from HCN knockout and transgenic mouse models

A Bucchi, A Barbuti, D DiFrancesco… - Frontiers in …, 2012 - frontiersin.org
In the adult animal the sinoatrial node (SAN) rhythmically generates a depolarizing wave
that propagates to the rest of the heart. However, the SAN is more than a simple clock; it is a …

A mathematical model of action potentials of mouse sinoatrial node cells with molecular bases

S Kharche, J Yu, M Lei… - American Journal of …, 2011 - journals.physiology.org
Genetically modified mice are popular experimental models for studying the molecular
bases and mechanisms of cardiac arrhythmia. A postgenome challenge is to classify the …

Impaired sinoatrial node function and increased susceptibility to atrial fibrillation in mice lacking natriuretic peptide receptor C

EE Egom, K Vella, R Hua, HJ Jansen… - The Journal of …, 2015 - Wiley Online Library
Key points Natriuretic peptides (NPs) elicit their effects via multiple NP receptors (including
NPR‐A, NPR‐B and NPR‐C, with NPR‐C being relatively poorly understood). We have …

Speeding up the heart? Traditional and new perspectives on HCN4 function

K Hennis, RD Rötzer, C Piantoni, M Biel… - Frontiers in …, 2021 - frontiersin.org
The sinoatrial node (SAN) is the primary pacemaker of the heart and is responsible for
generating the intrinsic heartbeat. Within the SAN, spontaneously active pacemaker cells …

A caveolin-binding domain in the HCN4 channels mediates functional interaction with caveolin proteins

A Barbuti, A Scavone, N Mazzocchi, B Terragni… - Journal of molecular and …, 2012 - Elsevier
Pacemaker (HCN) channels have a key role in the generation and modulation of
spontaneous activity of sinoatrial node myocytes. Previous work has shown that …

[HTML][HTML] HCN4, sinus bradycardia and atrial fibrillation

D DiFrancesco - Arrhythmia & electrophysiology review, 2015 - ncbi.nlm.nih.gov
Based on their established role in the generation of spontaneous activity in pacemaker cells
and control of cardiac rate, funny/hyperpolarisation-activated, cyclic nucleotide gated 4 …

HCN channels in the heart: lessons from mouse mutants

S Herrmann, F Hofmann, J Stieber… - British journal of …, 2012 - Wiley Online Library
Hyperpolarization‐activated cation channels generate the If current in the heart. In the sino‐
atrial node (SAN), If is thought to play an essential role in setting the heart rate and …