Calcium signaling and reactive oxygen species in mitochondria

E Bertero, C Maack - Circulation research, 2018 - Am Heart Assoc
In heart failure, alterations of Na+ and Ca2+ handling, energetic deficit, and oxidative stress
in cardiac myocytes are important pathophysiological hallmarks. Mitochondria are central to …

Pathophysiological role of oxidative stress in systolic and diastolic heart failure and its therapeutic implications

T Münzel, T Gori, JF Keaney Jr, C Maack… - European heart …, 2015 - academic.oup.com
Systolic and diastolic myocardial dysfunction has been demonstrated to be associated with
an activation of the circulating and local renin–angiotensin–aldosterone system (RAAS), and …

Simulation of the undiseased human cardiac ventricular action potential: model formulation and experimental validation

T O'Hara, L Virág, A Varró, Y Rudy - PLoS computational biology, 2011 - journals.plos.org
Cellular electrophysiology experiments, important for understanding cardiac arrhythmia
mechanisms, are usually performed with channels expressed in non myocytes, or with non …

Calcium cycling and signaling in cardiac myocytes

DM Bers - Annu. Rev. Physiol., 2008 - annualreviews.org
Calcium (Ca) is a universal intracellular second messenger. In muscle, Ca is best known for
its role in contractile activation. However, in recent years the critical role of Ca in other …

Late sodium current inhibition reverses electromechanical dysfunction in human hypertrophic cardiomyopathy

R Coppini, C Ferrantini, L Yao, P Fan, M Del Lungo… - Circulation, 2013 - Am Heart Assoc
Background—Hypertrophic cardiomyopathy (HCM), the most common mendelian heart
disorder, remains an orphan of disease-specific pharmacological treatment because of the …

Crosstalk between calcium and ROS in pathophysiological conditions

S Feno, G Butera, D Vecellio Reane… - Oxidative medicine …, 2019 - Wiley Online Library
Calcium ions are highly versatile intracellular signals that regulate many cellular processes.
The key to achieving this pleiotropic role is the spatiotemporal control of calcium …

Mitochondrial reactive oxygen species production and elimination

A Nickel, M Kohlhaas, C Maack - Journal of molecular and cellular …, 2014 - Elsevier
Reactive oxygen species (ROS) play an important role in cardiovascular diseases, and one
important source for ROS are mitochondria. Emission of ROS from mitochondria is the net …

Cardiac sarcoplasmic reticulum calcium leak: basis and roles in cardiac dysfunction

DM Bers - Annual review of physiology, 2014 - annualreviews.org
Synchronized SR calcium (Ca) release is critical to normal cardiac myocyte excitation-
contraction coupling, and ideally this release shuts off completely between heartbeats …

A novel computational model of the human ventricular action potential and Ca transient

E Grandi, FS Pasqualini, JL Puglisi, DM Bers - Biophysical journal, 2009 - cell.com
RESULTS. In 100 such simulated experiments we found a RMSD of 4.1451. 15 mV
(mean5SD) between estimate V (t) and data, corresponding to a very close resemblance …

Cardiomyocyte stiffness in diastolic heart failure

A Borbély, J Van Der Velden, Z Papp, JGF Bronzwaer… - Circulation, 2005 - Am Heart Assoc
Background—Heart failure with preserved left ventricular (LV) ejection fraction (EF) is
increasingly recognized and usually referred to as diastolic heart failure (DHF). Its …