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首页> 外文期刊>Canadian Journal of Physiology and Pharmacology >Oxidative stress: a key contributor to diabetic cardiomyopathy.
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Oxidative stress: a key contributor to diabetic cardiomyopathy.

机译:氧化应激:糖尿病性心肌病的关键因素。

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摘要

Diabetes and its associated complications are major known health disorders. Diabetes mellitus increases the risk of cardiovascular morbidity and mortality by promoting cardiomyopathy. It appears to arise as a result of the diabetic state, at times independent of vascular or valvular pathology. It manifests initially as asymptomatic diastolic dysfunction, which progresses to symptomatic heart failure. The compliance of the heart wall is decreased and contractile function is impaired. The pathophysiology of diabetic cardiomyopathy is incompletely understood but appears to be multifactorial in origin. Several hypotheses have been proposed, including oxidative stress, inflammation, endothelial dysfunction, metabolic derangements, abnormalities in ion homeostasis, alterations in structural proteins, and interstitial fibrosis. Amongst these various mechanisms, an increase in reactive oxygen species, leading to oxidative stress, has received significant experimental support. This review focuses on the role of oxidative stress in the pathogenesis of diabetic cardiomyopathy and the potential of antioxidant therapy.
机译:糖尿病及其相关并发症是已知的主要健康疾病。糖尿病通过促进心肌病增加心血管疾病发病率和死亡率的风险。它似乎是糖尿病状态的结果,有时与血管或瓣膜病理学无关。它最初表现为无症状的舒张功能不全,发展为有症状的心力衰竭。心脏壁的顺应性降低,收缩功能受损。糖尿病性心肌病的病理生理学尚未完全了解,但似乎是多因素起源的。已经提出了几种假设,包括氧化应激,炎症,内皮功能障碍,代谢紊乱,离子稳态的异常,结构蛋白的改变和间质纤维化。在这些各种机制中,导致氧化应激的活性氧种类的增加已获得了重要的实验支持。这篇综述着重于氧化应激在糖尿病性心肌病发病机理中的作用以及抗氧化剂治疗的潜力。

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