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Pharmacological profiling of small molecule modulators of the TMEM16A channel and their implications for the control of artery and capillary function.
Br J Pharmacol
January 2025
Department of Pharmacology, University of Oxford, Oxford, UK.
Background And Purpose: TMEM16A chloride channels constitute a depolarising mechanism in arterial smooth muscle cells (SMCs) and contractile cerebral pericytes. TMEM16A pharmacology is incompletely defined. We elucidated the mode of action and selectivity of a recently identified positive allosteric modulator of TMEM16A (PAM_16A) and of a range of TMEM16A inhibitors.
View Article and Find Full Text PDFSacubitril/valsartan reduces proteasome activation and cardiomyocyte area in an experimental mouse model of hypertrophy.
J Mol Cell Cardiol Plus
March 2024
Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany.
Sacubitril/valsartan (Sac/Val) belongs to the group of angiotensin receptor-neprilysin inhibitors and has been used for the treatment of heart failure (HF) for several years. The mechanisms that mediate the beneficial effects of Sac/Val are not yet fully understood. In this study we investigated whether Sac/Val influences the two proteolytic systems, the ubiquitin-proteasome system (UPS) and the autophagy-lysosomal pathway (ALP), in a mouse model of pressure overload induced by transverse aortic constriction (TAC) and in human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) treated with endothelin-1 (ET1) serving as a human cellular model of hypertrophy.
View Article and Find Full Text PDFRelationship Between the Biomarkers of Collagen Regulation and Echocardiography Parameters in Patients With Heart Failure With Preserved Ejection Fraction.
Kardiologiia
December 2024
Tyumen Cardiological Research Center, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk.
Aim: To study the relationship between laboratory markers and echocardiography (EchoCG) parameters in heart failure with preserved ejection fraction (HFpEF) depending on the results of the diastolic stress test (DST).
Material And Methods: The diagnostic algorithm provided by the current guidelines for the assessment of left ventricular (LV) diastolic function was used to select patients. If there were not enough criteria to make a conclusion about increased LV filling pressure (FP) based on standard resting echocardiography data in patients with arterial hypertension and ischemic heart disease, DST was performed to detect HFpEF.
Independent prognostic value of lipocalin-2 in congenital heart disease-associated pulmonary artery hypertension.
World J Cardiol
December 2024
Department of Tumor and Immunology, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China.
Background: Timely and accurate evaluation of the patient's pulmonary arterial pressure (PAP) is of great significance for the treatment of congenital heart disease. Currently, there is no non-invasive gold standard method for evaluating PAP.
Aim: To assess the prognostic value of lipocalin-2 (LCN2) in relation to PAP in patients with congenital heart disease associated with pulmonary artery hypertension.
Antibodies against angiotensin II type 1 and endothelin-1 type A receptors are associated with microvascular obstruction after revascularized ST-elevation myocardial infarction.
Eur Heart J Open
November 2024
Cardiology Division, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Via N. Giustiniani 2, Padova 35128, Italy.
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