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Страница 1 от 80 резултата
Cell permeable exogenous ceramide reduces infarct size in spontaneously hypertensive rats supporting in vitro studies that have implicated ceramide in induction of tolerance to ischemia.
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Previous work in primary cell culture has shown that TNF-alpha and ceramide are involved in the signaling that induces tolerance to brain ischemia (Ginis et al., 1999; Liu et al., 2000). To validate the in vitro studies, the authors administered cell permeable analogs of ceramides intracisternally
Plasma Ceramides as Prognostic Biomarkers and Their Arterial and Myocardial Tissue Correlates in Acute Myocardial Infarction.
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We identified a plasma signature of 11 C14 to C26 ceramides and 1 C16 dihydroceramide predictive of major adverse cardiovascular events in patients with acute myocardial infarction (AMI). Among patients undergoing coronary artery bypass surgery, those with recent AMI, compared with those without
Relationship between elevated plasma ceramides and plaque rupture in patients with ST-segment elevation myocardial infarction.
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Plasma ceramides are associated with coronary atherosclerotic burden in patients with ST-segment elevation myocardial infarction
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Background: Plasma ceramides (Cer), a subset of bioactive lipids, have mechanistic links to atherosclerotic coronary artery disease (CAD) pathogenesis and are related to major adverse cardiovascular events (MACEs).
Alterations of the Ceramide Metabolism in the Peri-Infarct Cortex Are Independent of the Sphingomyelinase Pathway and Not Influenced by the Acid Sphingomyelinase Inhibitor Fluoxetine.
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Ceramides induce important intracellular signaling pathways, modulating proliferation, migration, apoptosis, and inflammation. However, the relevance of the ceramide metabolism in the reconvalescence phase after stroke is unclear. Besides its well-known property as a selective serotonin reuptake
Detection of Ceramide, a Risk Factor for Coronary Artery Disease, in Human Coronary Plaques by Fluorescent Angioscopy.
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BACKGROUND
The presence of ceramide in human coronary plaques is a risk factor for ischemic heart disease, but its visualization in the human vessel wall is currently beyond the scope of any available imaging techniques.Methods and Results:Deposition of ceramide was examined by fluorescent
Ceramide-induced preconditioning involves reactive oxygen species.
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BACKGROUND
Ceramide induces programmed cell death and it is thought to contribute to cardiac ischemia/reperfusion (I/R) injury. In contrast, we have demonstrated that administration of low doses of ceramide engenders cardiac preconditioning (PC). Ceramide is known to generate reactive oxygen species
Common lipid features of lethal ventricular tarchyarrhythmias (LVTAs) induced by myocardial infarction and myocardial ion channel diseases.
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Lethal ventricular tachyarrhythmia (LVTA) is the most prevalent electrophysiological underpinning of sudden cardiac death (SCD), a condition that occurs in response to multiple pathophysiological abnormalities. The aim of this study was to identify common lipid features of LVTA that were induced by
Diaphragm dysfunction in heart failure is accompanied by increases in neutral sphingomyelinase activity and ceramide content.
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OBJECTIVE
Chronic heart failure (CHF) causes inspiratory (diaphragm) muscle weakness and fatigue that contributes to dyspnoea and limited physical capacity in patients. However, the mechanisms that lead to diaphragm dysfunction in CHF remain poorly understood. Cytokines and angiotensin II are
Ceramide in the antiapoptotic effect of ischemic preconditioning.
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Although the mechanism by which ischemic preconditioning (PC) inhibits myocardial apoptosis during ischemia-reperfusion is unclear, evidence indicates a role for the secondary messenger ceramide. We investigated in vivo whether PC may affect ceramide and sn-1,2-diacylglycerol (DAG) production, and
[Value of ceramide in the diagnosis and risk prediction of coronary artery disease].
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Objective: To evaluate the clinical values of 4 types of ceramides (Cer1, Cer2, Cer3, Cer4) in the coronary artery stenosis, clinical diagnosis and risk prediction. Methods: A total of 890 patients with coronary heart disease (CHD) in Beijing Anzhen Hospital between March 2018 and
Role of lipid rafts in ceramide and nitric oxide signaling in the ischemic and preconditioned hearts.
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Nitric oxide plays a crucial role in myocardial ischemia reperfusion injury as well as in myocardial adaptation to ischemic stress. To understand the dichotomy of nitric oxide behavior in the ischemic myocardium, isolated rat hearts were subjected to ischemia/reperfusion protocol. The tissue
The protective effect of ceramide in immature rat brain hypoxia-ischemia involves up-regulation of bcl-2 and reduction of TUNEL-positive cells.
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Preconditioning brain with tumor necrosis factor alpha (TNF-alpha) can induce tolerance to experimental hypoxia and stroke and ceramide is a downstream messenger in the TNF-alpha signaling pathway. A hypoxic-ischemic (HI) insult in the immature rat injures brain primarily through apoptosis.
Avascular necrosis of the femoral head in a patient with Fabry's disease: identification of ceramide trihexoside in the bone by delayed-extraction matrix-assisted laser desorption ionization-time-of-flight mass spectrometry.
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Fabry's disease is a lipid storage disease caused by an X-linked hereditary deficiency of alpha-galactosidase. The enzymatic defect causes progressive deposition of ceramide trihexoside (CTH) in various tissues, leading to renal failure, premature myocardial infarction, and stroke, with a high rate
Bioactive lipids and cationic antimicrobial peptides as new potential regulators for trafficking of bone marrow-derived stem cells in patients with acute myocardial infarction.
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Acute myocardial infarction (AMI) triggers mobilization of stem cells from bone marrow (BM) into peripheral blood (PB). Based on our observation that the bioactive sphingophospholipids, sphingosine-1 phosphate (S1P), and ceramide-1 phosphate (C1P) regulate trafficking of hematopoietic stem cells
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