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A new model of experimental diabetic cardiomyopathy using combination of multiple doses of anomer-equilibrated streptozotocin and high fat diet: sex matters.
Diabetes
January 2025
William Harvey Research Institute, Barts Faculty of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, UK.
Diabetes mellitus (DM) leads to a more rapid development of DM cardiomyopathy (dbCM) and progression to heart failure in women than men. Combination of high-fat diet (HFD) and freshly-injected streptozotocin (STZ) has been widely used for DM induction, however emerging data shows that anomer-equilibrated STZ produces an early onset and robust DM model. We designed a novel protocol utilising a combination of multiple doses of anomer-equilibrated STZ injections and HFD to develop a stable murine DM model featuring dbCM analogous to humans.
View Article and Find Full Text PDFCaMKIIγ 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 PDFSecondhand vape exposure regulation of CFTR and immune function in cystic fibrosis.
Am J Physiol Lung Cell Mol Physiol
January 2025
Division of Pulmonology, Asthma, Cystic Fibrosis, and Sleep, Emory University School of Medicine, Atlanta, GA, USA.
Secondhand smoke exposure (SHSe) is a public health threat for people with cystic fibrosis (CF) and other lung diseases. Primary smoking reduces CFTR channel function, the causative defect in CF. We reported that SHSe worsens respiratory and nutritional outcomes in CF by disrupting immune responses and metabolic signaling.
View Article and Find Full Text PDFSelf-Efficacy in Hypertension Management Using e-Health Technology: A Randomized Controlled Trial in Primary Care.
J Clin Hypertens (Greenwich)
January 2025
Center for Primary Health Care Research, Department of Clinical Sciences Malmö, Lund University, Malmö, Sweden.
Self-efficacy is tightly intertwined with person-centered care and correlates with engaging in self-care behaviors, an important part of hypertension treatment. Evidence indicates that e-Health-based self-management interventions could increase self-efficacy. The objectives of this study were to investigate whether an intervention with a person-centered approach supported by e-Health technology can impact self-efficacy.
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.
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