Local Control Model of a Human Ventricular Myocyte: An Exploration of Frequency-Dependent Changes and Calcium Sparks

JAE Alvarez, MS Jafri, A Ullah - Biomolecules, 2023 - mdpi.com
Calcium (Ca2+) sparks are the elementary events of excitation–contraction coupling, yet
they are not explicitly represented in human ventricular myocyte models. A stochastic …

Ventricular Tachycardia Due to Triggered Activity: Role of Early and Delayed Afterdepolarizations

BB Lerman, SM Markowitz, JW Cheung… - Clinical …, 2024 - jacc.org
Most forms of sustained ventricular tachycardia (VT) are caused by re-entry, resulting from
altered myocardial conduction and refractoriness secondary to underlying structural heart …

Pathophysiology, molecular mechanisms, and genetics of atrial fibrillation

P Han, X Zhao, X Li, J Geng, S Ni, Q Li - Human Cell, 2025 - Springer
The development of atrial fibrillation (AF) is a highly complex, multifactorial process involving
pathophysiologic mechanisms, molecular pathway mechanisms and numerous genetic …

Pacing Dynamics Determines the Arrhythmogenic Mechanism of the CPVT2-Causing CASQ2G112+5X Mutation in a Guinea Pig Ventricular Myocyte Computational …

R Paudel, MS Jafri, A Ullah - Genes, 2022 - mdpi.com
Calsequestrin Type 2 (CASQ2) is a high-capacity, low-affinity, Ca2+-binding protein
expressed in the sarcoplasmic reticulum (SR) of the cardiac myocyte. Mutations in CASQ2 …

Intra-and Inter-Individual Cardiomyocyte Heterogeneity Impacts Arrhythmia Risk

TK Pullinger - 2024 - search.proquest.com
Heterogeneity has been shown to impact resilience in a range of complex systems,
including the heart. Cardiac heterogeneity takes many forms including structural …