Complex relationship between cardiac fibroblasts and cardiomyocytes in health and disease

C Hall, K Gehmlich, C Denning… - Journal of the American …, 2021 - Am Heart Assoc
Cardiac fibroblasts are the primary cell type responsible for deposition of extracellular matrix
in the heart, providing support to the contracting myocardium and contributing to a myriad of …

Are interactions between epicardial adipose tissue, cardiac fibroblasts and cardiac myocytes instrumental in atrial fibrosis and atrial fibrillation?

A Krishnan, E Chilton, J Raman, P Saxena… - Cells, 2021 - mdpi.com
Atrial fibrillation is very common among the elderly and/or obese. While myocardial fibrosis
is associated with atrial fibrillation, the exact mechanisms within atrial myocytes and …

Fibrotic remodeling during persistent atrial fibrillation: In silico investigation of the role of calcium for human atrial myofibroblast electrophysiology

J Sánchez, B Trenor, J Saiz, O Dössel, A Loewe - Cells, 2021 - mdpi.com
During atrial fibrillation, cardiac tissue undergoes different remodeling processes at different
scales from the molecular level to the tissue level. One central player that contributes to both …

Cardiac fibroblast to myofibroblast phenotype conversion—an unexploited therapeutic target

MP Czubryt - Journal of cardiovascular development and disease, 2019 - mdpi.com
Fibrosis occurs when the synthesis of extracellular matrix outpaces its degradation, and over
time can negatively impact tissue and organ function. In the case of cardiac fibrosis …

Using Machine Learning to Characterize Atrial Fibrotic Substrate From Intracardiac Signals With a Hybrid in silico and in vivo Dataset

J Sánchez, G Luongo, M Nothstein, LA Unger… - Frontiers in …, 2021 - frontiersin.org
In patients with atrial fibrillation, intracardiac electrogram signal amplitude is known to
decrease with increased structural tissue remodeling, referred to as fibrosis. In addition to …

The role of posterior wall isolation in catheter ablation of persistent atrial fibrillation

JRD Clarke, JP Piccini… - Journal of Cardiovascular …, 2021 - Wiley Online Library
The left atrial posterior wall has many embryologic, anatomic, and electrophysiologic
characteristics, that are important for the initiation and maintenance of persistent atrial …

A review of healthy and fibrotic myocardium microstructure modeling and corresponding intracardiac electrograms

J Sánchez, A Loewe - Frontiers in Physiology, 2022 - frontiersin.org
Computational simulations of cardiac electrophysiology provide detailed information on the
depolarization phenomena at different spatial and temporal scales. With the development of …

Patchy fibrosis promotes trigger–substrate interactions that both generate and maintain atrial fibrillation

MA Colman, R Sharma, OV Aslanidi… - Interface …, 2023 - royalsocietypublishing.org
Fibrosis has been mechanistically linked to arrhythmogenesis in multiple cardiovascular
conditions, including atrial fibrillation (AF). Previous studies have demonstrated that fibrosis …

Molecular insights in atrial fibrillation pathogenesis and therapeutics: a narrative review

KA Papathanasiou, SG Giotaki, DA Vrachatis, G Siasos… - Diagnostics, 2021 - mdpi.com
The prevalence of atrial fibrillation (AF) is bound to increase globally in the following years,
affecting the quality of life of millions of people, increasing mortality and morbidity, and …

Heart failure, female sex, and atrial fibrillation are the main drivers of human atrial cardiomyopathy: results from the CATCH ME consortium

J Winters, A Isaacs, S Zeemering… - Journal of the …, 2023 - Am Heart Assoc
Background Atrial cardiomyopathy (atCM) is an emerging prognostic factor in cardiovascular
disease. Fibrotic remodeling, cardiomyocyte hypertrophy, and capillary density are …