Myosin sequestration regulates sarcomere function, cardiomyocyte energetics, and metabolism, informing the pathogenesis of hypertrophic cardiomyopathy

CN Toepfer, AC Garfinkel, G Venturini, H Wakimoto… - Circulation, 2020 - ahajournals.org
Background: Hypertrophic cardiomyopathy (HCM) is caused by pathogenic variants in
sarcomere protein genes that evoke hypercontractility, poor relaxation, and increased …

Systematic review of 31P-magnetic resonance spectroscopy studies of brain high energy phosphates and membrane phospholipids in aging and Alzheimer's disease

S Jett, C Boneu, C Zarate, C Carlton… - Frontiers in Aging …, 2023 - frontiersin.org
Many lines of evidence suggest that mitochondria have a central role in aging-related
neurodegenerative diseases, such as Alzheimer's disease (AD). Mitochondrial dysfunction …

Cardiovascular magnetic resonance for the differentiation of left ventricular hypertrophy

MK Burrage, VM Ferreira - Current Heart Failure Reports, 2020 - Springer
Abstract Purpose of Review Left ventricular hypertrophy (LVH) is a common presentation
encountered in clinical practice with a diverse range of potential aetiologies. Differentiation …

Defects in the proteome and metabolome in human hypertrophic cardiomyopathy

MJ Previs, TS O'Leary, MP Morley… - Circulation: Heart …, 2022 - ahajournals.org
Background: Defects in energetics are thought to be central to the pathophysiology of
hypertrophic cardiomyopathy (HCM); yet, the determinants of ATP availability are not known …

[HTML][HTML] Transport of Ca2+ and Ca2+-dependent permeability transition in heart mitochondria in the early stages of Duchenne muscular dystrophy

MV Dubinin, EY Talanov, KS Tenkov… - … et Biophysica Acta (BBA …, 2020 - Elsevier
Duchenne muscular dystrophy (DMD) is a progressive skeletal muscle disease that is
associated with severe cardiac complications in the late stages. Significant mitochondrial …

Impaired myocardial energetics causes mechanical dysfunction in decompensated failing hearts

R Lopez, B Marzban, X Gao, E Lauinger… - Function, 2020 - academic.oup.com
Cardiac mechanical function is supported by ATP hydrolysis, which provides the chemical-
free energy to drive the molecular processes underlying cardiac pum**. Physiological …

Phosphorus Magnetic Resonance Spectroscopy (31P MRS) and Cardiovascular Disease: The Importance of Energy

V Tsampasian, D Cameron, R Sobhan, G Bazoukis… - Medicina, 2023 - mdpi.com
Background and Objectives: The heart is the organ with the highest metabolic demand in the
body, and it relies on high ATP turnover and efficient energy substrate utilisation in order to …

Integrated functions of cardiac energetics, mechanics, and purine nucleotide metabolism

R Lopez-Schenk, NL Collins… - Comprehensive …, 2023 - pmc.ncbi.nlm.nih.gov
Purine nucleotides play central roles in energy metabolism in the heart. Most fundamentally,
the free energy of hydrolysis of the adenine nucleotide adenosine triphosphate (ATP) …

Three‐dimensional, 2.5‐minute, 7T phosphorus magnetic resonance spectroscopic imaging of the human heart using concentric rings

WT Clarke, L Hingerl, B Strasser, W Bogner… - NMR in …, 2023 - Wiley Online Library
A three‐dimensional (3D), density‐weighted, concentric rings trajectory (CRT) magnetic
resonance spectroscopic imaging (MRSI) sequence is implemented for cardiac phosphorus …

Phosphate Brain Energy Metabolism and Cognition in Alzheimer's Disease: A Spectroscopy Study Using Whole-Brain Volume-Coil 31Phosphorus Magnetic …

N Das, J Ren, J Spence, SB Chapman - Frontiers in Neuroscience, 2021 - frontiersin.org
Introduction Mitochondrial dysfunction is a neurometabolic hallmark signaling abnormal
brain energy metabolism (BEM) targeted as a potential early marker of Alzheimer's disease …