نتایج جستجو برای: myocardial ischaemia reperfusion injury
تعداد نتایج: 470209 فیلتر نتایج به سال:
UNLABELLED Diabetes mellitus (DM) is a chronic metabolic disorder accompanied by an increase in oxidative stress. Ischaemia-reperfusion (IR) injury is a cascade of events initiated by tissue ischaemia. The cellular damage produced by reperfusion leads to an active inflammatory response. Erythrocyte deformability and plasma viscosity are of crucial importance for the perfusion of tissues and orga...
Anaesthetists are confronted on a daily basis with patients with coronary artery disease, myocardial ischaemia, or both during the perioperative period. Therefore, prevention and ultimately adequate therapy of perioperative myocardial ischaemia and its consequences are the major challenges in current anaesthetic practice. This review will focus on the translation of the laboratory evidence of a...
Innate immunity has been studied for several decades in the context of ischaemia-reperfusion injury, myocardial remodelling, and healing. In the last years, a number of experimental and clinical studies focused on adaptive immunity in these processes. Meanwhile, there is considerable evidence especially on the role of CD4(+) T-cells in myocardial injury and healing, whereas their role in remode...
l-Tetrahydropalmatine (l-THP) is an active ingredients of Corydalis yanhusuo W.T. Wang, which protects against acute global cerebral ischaemia-reperfusion injury. In this study, we show that l-THP is cardioprotective in myocardial ischaemia-reperfusion injury and examined the mechanism. Rats were treated with l-THP (0, 10, 20, 40 mg/kg b.w.) for 20 min before occlusion of the left anterior desc...
The ubiquitin-proteasome system (UPS) plays a central role in protein degradation and regulates a variety of critical cellular processes. During recent years, the cardiac UPS has become increasingly recognized as a key regulator of cardiac function under both physiological and pathological conditions. Numerous studies have demonstrated that altered UPS function is involved in the pathogenesis o...
Objective To investigate the protective effects of epigallocatechin-3-gallate (EGCG), a major polyphenol source in green tea, against hepatic ischaemia-reperfusion injury in mice. Methods The partial hepatic ischaemia-reperfusion injury model was created by employing the hanging-weight method in C57BL/6 male mice. EGCG (50 mg/kg) was administered via an intraperitoneal injection 45 min before p...
The ubiquitin-proteasome system (UPS) plays a central role in protein degradation and regulates a variety of critical cellular processes. During recent years, the cardiac UPS has become increasingly recognized as a key regulator of cardiac function under both physiological and pathological conditions. Numerous studies have demonstrated that altered UPS function is involved in the pathogenesis o...
A Langendorff isolated rat heart preparation was used to determine the effect of oxypurinol, a xanthine oxidase inhibitor, and deferoxamine, an iron binding agent, on the extent of myocardial reperfusion injury after 60 minutes of ischaemia. Thirty rats were divided into three groups of 10, and an isolated heart preparation made from each rat. The isolated hearts were perfused for 15 minutes wi...
AIMS Transient receptor potential melastatin 2 (TRPM2) highly expressed in immunocytes is a Ca(2+)-permeable non-selective cation channel activated by oxidative stress. Myocardial ischaemia/reperfusion (I/R) injury is characterized by acute inflammation associated with the augmentation of oxidative stress. We hypothesized that TRPM2 is implicated in the exacerbation of myocardial I/R injury. ...
BACKGROUND Elafin is a potent endogenous neutrophil elastase inhibitor that protects against myocardial inflammation and injury in preclinical models of ischaemic-reperfusion injury. We investigated whether elafin could inhibit myocardial ischaemia-reperfusion injury induced during coronary artery bypass graft (CABG) surgery. METHODS AND RESULTS In a randomised double-blind placebo-controlled...
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