Heart failure with preserved ejection fraction: mechanisms and treatment strategies

K Omote, FH Verbrugge… - Annual review of medicine, 2022 - annualreviews.org
Approximately half of all patients with heart failure (HF) have a preserved ejection fraction,
and the prevalence is growing rapidly given the aging population in many countries and the …

The physiology and pathophysiology of T-tubules in the heart

IE Setterberg, C Le, M Frisk, H Perdreau-Dahl… - Frontiers in …, 2021 - frontiersin.org
In cardiomyocytes, invaginations of the sarcolemmal membrane called t-tubules are critically
important for triggering contraction by excitation-contraction (EC) coupling. These structures …

Etiology-dependent impairment of diastolic cardiomyocyte calcium homeostasis in heart failure with preserved ejection fraction

M Frisk, C Le, X Shen, ÅT Røe, Y Hou, O Manfra… - Journal of the American …, 2021 - jacc.org
Background Whereas heart failure with reduced ejection fraction (HFrEF) is associated with
ventricular dilation and markedly reduced systolic function, heart failure with preserved …

RyR2 and calcium release in heart failure

JP Benitah, R Perrier, JJ Mercadier, L Pereira… - Frontiers in …, 2021 - frontiersin.org
Heart Failure (HF) is defined as the inability of the heart to efficiently pump out enough blood
to maintain the body's needs, first at exercise and then also at rest. Alterations in Ca2+ …

Cardiac transverse tubules in physiology and heart failure

KM Dibb, WE Louch, AW Trafford - Annual review of physiology, 2022 - annualreviews.org
In mammalian cardiac myocytes, the plasma membrane includes the surface sarcolemma
but also a network of membrane invaginations called transverse (t-) tubules. These …

ER stress and calcium-dependent arrhythmias

S Hamilton, D Terentyev - Frontiers in Physiology, 2022 - frontiersin.org
The sarcoplasmic reticulum (SR) plays the key role in cardiac function as the major source of
Ca2+ that activates cardiomyocyte contractile machinery. Disturbances in finely-tuned SR …

Cell therapy attenuates endothelial dysfunction in hypertensive rats with heart failure and preserved ejection fraction

G de Couto, T Mesquita, X Wu… - American Journal …, 2022 - journals.physiology.org
Heart failure with preserved ejection fraction (HFpEF) is defined by increased left ventricular
(LV) stiffness, impaired vascular compliance, and fibrosis. Although systemic inflammation …

Distinguishing pathophysiological features of heart failure with reduced and preserved ejection fraction: A comparative analysis of two mouse models

A Méndez‐Fernández… - The Journal of …, 2024 - Wiley Online Library
Heart failure (HF) is a heterogeneous condition that can be categorized according to the left
ventricular ejection fraction (EF) into HF with reduced (HFrEF) or preserved (HFpEF) EF …

Diabetes-induced chronic heart failure is due to defects in calcium transporting and regulatory contractile proteins: cellular and molecular evidence

S Rupee, K Rupee, RB Singh, C Hanoman… - Heart Failure …, 2023 - Springer
Heart failure (HF) is a major deteriorating disease of the myocardium due to weak
myocardial muscles. As such, the heart is unable to pump blood efficiently around the body …

Ferroptosis: the potential target in heart failure with preserved ejection fraction

Q Li, Z Zhao, X Zhou, Y Yan, L Shi, J Chen, B Fu, J Mao - Cells, 2022 - mdpi.com
Ferroptosis is a recently identified cell death characterized by an excessive accumulation of
iron-dependent reactive oxygen species (ROS) and lipid peroxides. Intracellular iron …