Multi-scale computational modeling of spatial calcium handling from nanodomain to whole-heart: Overview and perspectives

MA Colman, E Alvarez-Lacalle, B Echebarria… - Frontiers in …, 2022 - frontiersin.org
Regulation of intracellular calcium is a critical component of cardiac electrophysiology and
excitation-contraction coupling. The calcium spark, the fundamental element of the …

From millimeters to micrometers; re-introducing myocytes in models of cardiac electrophysiology

KH Jæger, AG Edwards, WR Giles, A Tveito - Frontiers in Physiology, 2021 - frontiersin.org
Computational modeling has contributed significantly to present understanding of cardiac
electrophysiology including cardiac conduction, excitation-contraction coupling, and the …

Modeling Calcium Cycling in the Heart: Progress, Pitfalls, and Challenges

Z Qu, D Yan, Z Song - Biomolecules, 2022 - mdpi.com
Intracellular calcium (Ca) cycling in the heart plays key roles in excitation–contraction
coupling and arrhythmogenesis. In cardiac myocytes, the Ca release channels, ie, the …

Interactions between calcium‐induced arrhythmia triggers and the electrophysiological–anatomical substrate underlying the induction of atrial fibrillation

MA Colman, M Varela, RS MacLeod… - The Journal of …, 2024 - Wiley Online Library
Atrial fibrillation (AF) is the most common cardiac arrhythmia and is sustained by
spontaneous focal excitations and re‐entry. Spontaneous electrical firing in the pulmonary …

Occurrence of early afterdepolarization under healthy or hypertrophic cardiomyopathy conditions in the human ventricular endocardial myocyte: In silico study using …

B Christophe - Toxicology and Applied Pharmacology, 2022 - Elsevier
The goal of the CiPA initiative (Comprehensive in vitro Proarrhythmia Assay) was to assess
a more accurate prediction of new drug candidate proarrhythmic severe liabilities such as …

Deterministic and stochastic cellular mechanisms contributing to carbon monoxide induced ventricular arrhythmias

MM Al-Owais, DS Steele, AV Holden… - Frontiers in …, 2021 - frontiersin.org
Chronic exposure to low levels of Carbon Monoxide is associated with an increased risk of
cardiac arrhythmia. Microelectrode recordings from rat and guinea pig single isolated …

Increased SERCA2a sub-cellular heterogeneity in right-ventricular heart failure inhibits excitation-contraction coupling and modulates arrhythmogenic dynamics

M Holmes, ME Hurley, TMD Sheard… - … of the Royal …, 2022 - royalsocietypublishing.org
The intracellular calcium handling system of cardiomyocytes is responsible for controlling
excitation-contraction coupling (ECC) and has been linked to pro-arrhythmogenic cellular …

In Silico Investigation of CACNA2D1 S755T Mutation Associated With Short QT Syndrome

S Zhang, W Lu, F Yang, Z Wei - IEEE Access, 2021 - ieeexplore.ieee.org
Short QT syndrome (SQTS) is a genetic disease characterized by constantly short QT
intervals and high risks of sudden death. SQTS6 is one of the identified SQTS genotype …

Computationally efficient simulation of calcium signaling in cardiomyocytes

M Vysma, JS Welsh, D Laver - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The objective of this paper is to develop a computationally efficient simulation model of
Calcium signalling in cardiomyocytes. The model considered here consists of more than two …

An ensemble of parameters from a robust Markov-based model reproduces L-type calcium currents from different human cardiac myocytes

GM Novaes, E Alvarez-Lacalle, SA Muñoz… - Plos one, 2022 - journals.plos.org
The development of modeling structures at the channel level that can integrate subcellular
and cell models and properly reproduce different experimental data is of utmost importance …