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CaMKIIγ advances chronic intermittent hypoxia-induced cardiomyocyte apoptosis via HIF-1 signaling pathway.
Sleep Breath
January 2025
Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, and Research Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, Jiangsu, 226001, China.
Background: Our previous study have demonstrated chronic intermittent hypoxia (CIH) induced cardiomyocyte apoptosis and cardiac dysfunction. However, the molecular mechanisms are complicated and varied. In this study, we first investigated the CaMKIIγ expression and signaling pathway in the pathogenesis of cardiomyocyte apoptosis after CIH.
View Article and Find Full Text PDFMolecular Regulation of Cardiomyocyte Maturation.
Curr Cardiol Rep
January 2025
Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, 1470 Madison Avenue, New York, NY, 10029, USA.
Purpose Of The Review: This review aims to discuss the process of cardiomyocyte maturation, with a focus on the underlying molecular mechanisms required to form a fully functional heart. We examine both long-standing concepts associated with cardiac maturation and recent developments, and the overall complexity of molecularly integrating all the processes that lead to a mature heart.
Recent Findings: Cardiac maturation, defined here as the sequential changes that occurring before the heart reaches full maturity, has been a subject of investigation for decades.
Prussian Blue Nanozyme Featuring Enhanced Superoxide Dismutase-like Activity for Myocardial Ischemia Reperfusion Injury Treatment.
ACS Nano
January 2025
Jiangsu Key Laboratory for Biomaterials and Devices, School of Biomedical Sciences and Medical Engineering, Southeast University, Nanjing 210096, P. R. China.
The blood flow, when restored clinically following a myocardial infarction (MI), disrupts the physiological and metabolic equilibrium of the ischemic myocardial area, resulting in secondary damage termed myocardial ischemia-reperfusion injury (MIRI). Reactive oxygen species (ROS) generation and inflammatory reactions stand as primary culprits behind MIRI. Current strategies focusing on ROS-scavenging and anti-inflammatory actions have limited remission of MIRI.
View Article and Find Full Text PDFMetabolomic Analysis of the Effects of Canagliflozin on HFpEF Rats and Its Underlying Mechanism.
Endocr Metab Immune Disord Drug Targets
January 2025
Department of Internal Medicine, Hebei Medical University, Shijiazhuang, Hebei, China.
Background: Heart failure with preserved ejection fraction (HFpEF) represents a challenging cardiovascular condition characterized by normal systolic function but impaired diastolic performance. Despite its increasing prevalence, therapeutic options remain limited. This study investigated the metabolic effects of canagliflozin, a sodium-glucose cotransporter 2 (SGLT2) inhibitor, on cardiac function and energy metabolism in HFpEF.
View Article and Find Full Text PDFEnhanced fibrotic potential of COL1A1NR4A1 fibroblasts in ischemic heart revealed by transcriptional dynamics heterogeneity analysis at both bulk and single-cell levels.
Front Cardiovasc Med
January 2025
Department of Cardiology, Liuzhou Workers' Hospital, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China.
Background: Fibroblasts in the fibrotic heart exhibit a heterogeneous biological behavior. The specific subsets of fibroblasts that contribute to progressive cardiac fibrosis remain unrevealed. Our aim is to identify the heart fibroblast (FB) subsets that most significantly promote fibrosis and the related critical genes as biomarkers for ischemic heart disease.
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