diacylglycerol/infarction

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Cardiac-specific overexpression of diacylglycerol kinase zeta attenuates left ventricular remodeling and improves survival after myocardial infarction.

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Left ventricular (LV) remodeling, including cardiomyocyte necrosis, scar formation, LV geometric changes, and cardiomyocyte hypertrophy, contributes to cardiac dysfunction and mortality after myocardial infarction (MI). Although precise cellular signaling mechanisms for LV remodeling are not fully

Diacylglycerol kinase zeta is involved in the process of cerebral infarction.

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Diacylglycerol kinase (DGK) is an enzyme that phosphorylates a second messenger diacylglycerol (DG) and is involved in a variety of pathophysiological cellular responses. We have previously reported that DGKzeta may be involved in the selective vulnerability of hippocampal CA1 neurons in transient

Myocardial 11C-diacylglycerol accumulation and left ventricular remodeling in patients after myocardial infarction.

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Left ventricular (LV) remodeling after myocardial infarction (MI) is a maladaptive process that increases the risk of heart failure and death. The myocardial phosphoinositide cycle, which is located downstream from several neurohumoral factors, plays a crucial role in LV remodeling. Our animal

Attenuation of myocardial ischaemic injury 24 h after diacylglycerol treatment in vivo.

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Previous work suggests that delayed protection against infarction following ischaemic preconditioning of rabbit myocardium may involve the activation of protein kinase C (PKC). Preconditioning in the presence of chelerythrine, an inhibitor of PKC, abolished the late anti-infarct effect of

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

Effects of levosimendan on cardiac gene expression profile and post-infarct cardiac remodelling in diabetic Goto-Kakizaki rats.

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The calcium sensitizer levosimendan has shown beneficial effects on cardiac remodelling in spontaneously diabetic Goto-Kakizaki (GK) rats 12 weeks after experimental myocardial infarction (MI). However, the short-term effects and the cellular mechanisms remain partially unresolved. The aim was to

Role of diacylglycerol kinase in cellular regulatory processes: a new regulator for cardiomyocyte hypertrophy.

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Diacylglycerol (DAG) kinase (DGK) phosphorylates and converts DAG to phosphatidic acid. DGK regulates cellular DAG levels and attenuates DAG signaling. The 10 mammalian DGK isoforms have been identified to date. In cardiac myocytes, DGKalpha, epsilon, and zeta are expressed, and DGKzeta is the

Diacylglycerol kinase α exacerbates cardiac injury after ischemia/reperfusion.

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Early coronary reperfusion of the ischemic myocardium is a desired therapeutic goal for the preservation of myocardial function. However, reperfusion itself causes additional myocardium injuries. Activation of the diacylglycerol-protein kinase C (DAG-PKC) cascade has been implicated in the

Gene expression and in situ localization of diacylglycerol kinase isozymes in normal and infarcted rat hearts: effects of captopril treatment.

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Diacylglycerol (DG) kinase (DGK) terminates signaling from DG, which serves as an activator of protein kinase C (PKC), by converting DG to phosphatidic acid. DGK is thus regarded as an attenuator of the PKC activity. In rats, five DGK isozymes have been cloned, but little is known about their role

First molecular evidence that inositol trisphosphate signaling contributes to infarct size reduction with preconditioning.

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Considerable attention has focused on the role of protein kinase C (PKC) in triggering the profound infarct-sparing effect of ischemic preconditioning (PC). In contrast, the involvement of inositol 1,4,5-trisphosphate [Ins(1,4,5)P(3)], the second messenger generated in parallel with the

Changes in fatty acid compositions of myocardial lipids in rats with heart failure following myocardial infarction.

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Changes in fatty acid composition of myocardial lipids were examined in rats with heart failure following myocardial infarction. Left ventricular systolic pressure (LVSP) was decreased and left ventricular end-diastolic pressure (LVEDP) was elevated 24 h, 1 and 12 weeks after left coronary artery

Radioiodinated diacylglycerol analogue: a potential imaging agent for single-photon emission tomographic investigations of cerebral ischaemia.

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Phospholipid metabolism is closely related to membrane perturbation in cerebral ischaemia. We investigated in vivo topographical lipid metabolism using an iodine-123-labelled diacylglycerol analogue, (1-(15-(4-iodine-123-iodophenyl)-pentadecanoyl)-2-stearoyl-rac-gly cerol) (123I-labelled DAG), in a

Lipidomic analysis of plasma lipoprotein fractions in myocardial infarction-prone rabbits.

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Lipids play important roles in the body and are transported to various tissues via lipoproteins. It is commonly assumed that alteration of lipid levels in lipoproteins leads to dyslipidemia and serious diseases such as coronary artery disease (CAD). However, lipid compositions in each lipoprotein

Brain trauma induces expression of diacylglycerol kinase zeta in microglia.

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Diacylglycerol kinase (DGK) is an enzyme which phosphorylates a second messenger diacylglycerol and consists of a family of isozymes that differ in terms of structural motifs, enzymological property, and cell and tissue distribution. One of the isozymes, DGKzeta was originally shown to be expressed

Novel antisense inhibition of diacylglycerol O-acyltransferase 2 for treatment of non-alcoholic fatty liver disease: a multicentre, double-blind, randomised, placebo-controlled phase 2 trial

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Background: Diacylglycerol-O-acyltransferase 2 (DGAT2) is one of two enzyme isoforms that catalyse the final step in the synthesis of triglycerides. IONIS-DGAT2_Rx is an antisense oligonucleotide inhibitor of DGAT2 that is under

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