Ryanodine receptor–mediated calcium leak drives progressive development of an atrial fibrillation substrate in a transgenic mouse model
Background—The progression of atrial fibrillation (AF) from paroxysmal to persistent forms
remains a major clinical challenge. Abnormal sarcoplasmic reticulum (SR) Ca2+ leak via the …
remains a major clinical challenge. Abnormal sarcoplasmic reticulum (SR) Ca2+ leak via the …
Calmodulin kinase II–mediated sarcoplasmic reticulum Ca2+ leak promotes atrial fibrillation in mice
Atrial fibrillation (AF), the most common human cardiac arrhythmia, is associated with
abnormal intracellular Ca2+ handling. Diastolic Ca2+ release from the sarcoplasmic …
abnormal intracellular Ca2+ handling. Diastolic Ca2+ release from the sarcoplasmic …
The ryanodine receptor channel as a molecular motif in atrial fibrillation: pathophysiological and therapeutic implications
Atrial fibrillation (AF) is the most common cardiac arrhythmia and is associated with
substantial morbidity and mortality. It causes profound changes in sarcoplasmic reticulum …
substantial morbidity and mortality. It causes profound changes in sarcoplasmic reticulum …
Calcium‐mediated cellular triggered activity in atrial fibrillation
D Dobrev, XHT Wehrens - The Journal of physiology, 2017 - Wiley Online Library
Although atrial fibrillation (AF) is the most commonly encountered cardiac arrhythmia, the
basic mechanisms underlying this disorder remain incompletely understood. During the past …
basic mechanisms underlying this disorder remain incompletely understood. During the past …
Defective cardiac ryanodine receptor regulation during atrial fibrillation
JA Vest, XHT Wehrens, SR Reiken, SE Lehnart… - Circulation, 2005 - Am Heart Assoc
Background—Ca2+ leak from the sarcoplasmic reticulum (SR) may play an important role in
triggering and/or maintaining atrial arrhythmias, including atrial fibrillation (AF). Protein …
triggering and/or maintaining atrial arrhythmias, including atrial fibrillation (AF). Protein …
Impaired local regulation of ryanodine receptor type 2 by protein phosphatase 1 promotes atrial fibrillation
Abstract Aims Altered Ca2+ handling in atrial fibrillation (AF) has been associated with
dysregulated protein phosphatase 1 (PP1) and subcellular heterogeneities in protein …
dysregulated protein phosphatase 1 (PP1) and subcellular heterogeneities in protein …
Loss of SPEG inhibitory phosphorylation of ryanodine receptor type-2 promotes atrial fibrillation
HM Campbell, AP Quick, I Abu-Taha, DY Chiang… - Circulation, 2020 - Am Heart Assoc
Background: Enhanced diastolic calcium (Ca2+) release through ryanodine receptor type-2
(RyR2) has been implicated in atrial fibrillation (AF) promotion. Diastolic sarcoplasmic …
(RyR2) has been implicated in atrial fibrillation (AF) promotion. Diastolic sarcoplasmic …
Calcium leak through ryanodine receptors leads to atrial fibrillation in 3 mouse models of catecholaminergic polymorphic ventricular tachycardia
J Shan, W Xie, M Betzenhauser, S Reiken… - Circulation …, 2012 - Am Heart Assoc
Rationale: Atrial fibrillation (AF) is the most common cardiac arrhythmia, however the
mechanism (s) causing AF remain poorly understood and therapy is suboptimal. The …
mechanism (s) causing AF remain poorly understood and therapy is suboptimal. The …
Dynamic remodeling of intracellular Ca2+ signaling during atrial fibrillation
M Greiser, U Schotten - Journal of molecular and cellular cardiology, 2013 - Elsevier
During atrial fibrillation (AF) intracellular Ca2+ signaling in atrial myocytes changes
substantially. This 'remodeled'intracellular Ca2+ homeostasis plays an important role in the …
substantially. This 'remodeled'intracellular Ca2+ homeostasis plays an important role in the …
Abnormal calcium handling in atrial fibrillation is linked to changes in cyclic AMP dependent signaling
F Reinhardt, K Beneke, NG Pavlidou, L Conradi… - Cells, 2021 - mdpi.com
Both, the decreased L-type Ca2+ current (ICa, L) density and increased spontaneous Ca2+
release from the sarcoplasmic reticulum (SR), have been associated with atrial fibrillation …
release from the sarcoplasmic reticulum (SR), have been associated with atrial fibrillation …