Cardiac and neuronal HCN channelopathies

I Rivolta, A Binda, A Masi, JC DiFrancesco - Pflügers Archiv-European …, 2020 - Springer
Hyperpolarization-activated cyclic nucleotide–gated (HCN) channels are expressed as four
different isoforms (HCN1-4) in the heart and in the central and peripheral nervous systems …

Regulation of sinus node pacemaking and atrioventricular node conduction by HCN channels in health and disease

MR Boyett, J Yanni, J Tellez, A Bucchi… - Progress in biophysics …, 2021 - Elsevier
The funny current, I f, was first recorded in the heart 40 or more years ago by Dario
DiFrancesco and others. Since then, we have learnt that I f plays an important role in …

Cellular and molecular mechanisms of functional hierarchy of pacemaker clusters in the sinoatrial node: new insights into sick sinus syndrome

D Lang, AV Glukhov - Journal of Cardiovascular Development and …, 2021 - mdpi.com
The sinoatrial node (SAN), the primary pacemaker of the heart, consists of a heterogeneous
population of specialized cardiac myocytes that can spontaneously produce action …

Bioengineering the cardiac conduction system: advances in cellular, gene, and tissue engineering for heart rhythm regeneration

N Naumova, L Iop - Frontiers in Bioengineering and Biotechnology, 2021 - frontiersin.org
Heart rhythm disturbances caused by different etiologies may affect pediatric and adult
patients with life-threatening consequences. When pharmacological therapy is ineffective in …

Cardiac pacemaker dysfunction arising from different studies of ion channel remodeling in the aging rat heart

AM Alghamdi, MR Boyett, JC Hancox… - Frontiers in Physiology, 2020 - frontiersin.org
The function of the sinoatrial node (SAN), the pacemaker of the heart, declines with age,
resulting in increased incidence of sinoatrial node dysfunction (SND) in older adults. The …

A novel wireless ECG system for prolonged monitoring of multiple zebrafish for heart disease and drug screening studies

T Le, J Zhang, AH Nguyen, RST Torres, K Vo… - Biosensors and …, 2022 - Elsevier
Zebrafish and their mutant lines have been extensively used in cardiovascular studies. In the
current study, the novel system, Zebra II, is presented for prolonged electrocardiogram …

[HTML][HTML] Regulation of cardiac ion channels by transcription factors: Looking for new opportunities of druggable targets for the treatment of arrhythmias

T Crespo-García, A Cámara-Checa, M Dago… - Biochemical …, 2022 - Elsevier
Cardiac electrical activity is governed by different ion channels that generate action
potentials. Acquired or inherited abnormalities in the expression and/or function of ion …

The Cardiac Pacemaker Story—Fundamental Role of the Na+/Ca2+ Exchanger in Spontaneous Automaticity

Z Kohajda, A Loewe, N Tóth, A Varró… - Frontiers in …, 2020 - frontiersin.org
The electrophysiological mechanism of the sinus node automaticity was previously
considered exclusively regulated by the so-called “funny current”. However, parallel …

Pacemaker Channels and the Chronotropic Response in Health and Disease

K Hennis, C Piantoni, M Biel, S Fenske… - Circulation …, 2024 - Am Heart Assoc
Loss or dysregulation of the normally precise control of heart rate via the autonomic nervous
system plays a critical role during the development and progression of cardiovascular …

Tbx18 promoted the conversion of human‐induced pluripotent stem cell‐derived cardiomyocytes into sinoatrial node‐like pacemaker cells

W Zhang, H Zhao, D Quan, Y Tang… - Cell Biology …, 2022 - Wiley Online Library
Sinoatrial node (SAN) pacemaker cells originate from T‐box transcription factor 18 (Tbx18)‐
expressing progenitor cells. The present study aimed to investigate whether overexpression …