Multiscale computational models of complex biological systems

J Walpole, JA Papin, SM Peirce - Annual review of biomedical …, 2013 - annualreviews.org
Integration of data across spatial, temporal, and functional scales is a primary focus of
biomedical engineering efforts. The advent of powerful computing platforms, coupled with …

Remodeling of cardiac passive electrical properties and susceptibility to ventricular and atrial arrhythmias

S Dhein, T Seidel, A Salameh, J Jozwiak… - Frontiers in …, 2014 - frontiersin.org
Coordinated electrical activation of the heart is essential for the maintenance of a regular
cardiac rhythm and effective contractions. Action potentials spread from one cell to the next …

A cell-based framework for numerical modeling of electrical conduction in cardiac tissue

A Tveito, KH Jæger, M Kuchta, KA Mardal… - Frontiers in …, 2017 - frontiersin.org
In this paper, we study a mathematical model of cardiac tissue based on explicit
representation of individual cells. In this EMI model, the extracellular (E) space, the cell …

Properties of cardiac conduction in a cell-based computational model

KH Jæger, AG Edwards, A McCulloch… - PLoS computational …, 2019 - journals.plos.org
The conduction of electrical signals through cardiac tissue is essential for maintaining the
function of the heart, and conduction abnormalities are known to potentially lead to life …

Electrophysiological and contractile function of cardiomyocytes derived from human embryonic stem cells

A Blazeski, R Zhu, DW Hunter, SH Weinberg… - Progress in biophysics …, 2012 - Elsevier
Human embryonic stem cells have emerged as the prototypical source from which
cardiomyocytes can be derived for use in drug discovery and cell therapy. However, such …

Noncoding RNA network crosstalk in organ fibrosis

H Ling, XC Wang, ZY Liu, S Mao, JJ Yang, JM Sha… - Cellular signalling, 2024 - Elsevier
Fibrosis is a process involving excessive accumulation of extracellular matrix components,
the severity of which interferes with the function of the organ in question. With the advances …

A potential role for integrin signaling in mechanoelectrical feedback

BE Dabiri, H Lee, KK Parker - Progress in biophysics and molecular …, 2012 - Elsevier
Certain forms of heart disease involve gross morphological changes to the myocardium that
alter its hemodynamic loading conditions. These changes can ultimately lead to the …

Estimating the probabilities of rare arrhythmic events in multiscale computational models of cardiac cells and tissue

MA Walker, V Gurev, JJ Rice… - PLoS computational …, 2017 - journals.plos.org
Ectopic heartbeats can trigger reentrant arrhythmias, leading to ventricular fibrillation and
sudden cardiac death. Such events have been attributed to perturbed Ca2+ handling in …

Circular RNAs in organ fibrosis

J Yao, Q Dai, Z Liu, L Zhou, J Xu - Circular RNAs: Biogenesis and …, 2018 - Springer
Fibrosis refers to a process involving the accumulation of extracellular matrix components. It
could happen in chronic organ injury or during the recovery of acute organ injury. The …

A three-dimensional continuum model of active contraction in single cardiomyocytes

A Gizzi, R Ruiz-Baier, S Rossi, A Laadhari… - Modeling the heart and …, 2015 - Springer
We investigate the interaction of intracellular calcium spatio-temporal variations with the self-
sustained contractions in cardiac myocytes. A 3D continuum mathematical model is …