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首页> 外文期刊>Canadian Journal of Physiology and Pharmacology >Ursolic acid plays a protective role in obesity-induced cardiovascular diseases
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Ursolic acid plays a protective role in obesity-induced cardiovascular diseases

机译:熊果酸在肥胖引起的心血管疾病中起保护作用

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摘要

The metabolic disturbance of obesity is one of the most common risk factors of atherosclerosis. Resistin, an obesity-induced adipokine, can induce the expression of cell adhesion molecules and the attachment of monocytes to endothelial cells, which play an important role in the development of atherosclerosis. Ursolic acid, a pentacyclic triterpenoid found in fruits and many herbs, exhibits an array of biological effects such as anti-inflammatory and antioxidative properties. The aim of this study was to investigate the potential underlying mechanisms of the effect of ursolic acid on resistin-induced adhesion of U937 cells to human umbilical vein endothelial cells (HUVECs). Our data indicated that ursolic acid suppressed the adhesion of U937 to HUVECs and downregulated the expression of adhesion molecules, vascular cell adhesion molecule-1 (VCAM-1), intracellular cell adhesion molecule-1 (ICAM-1), and E-selectin, in resistin-induced HUVECs by decreasing the production of intracellular reaction oxygen species (ROS) and attenuating the nuclear translocation of NF kappa B. Ursolic acid appeared to inhibit resistin-induced atherosclerosis, suggesting that ursolic acid may play a protective role in obesity-induced cardiovascular diseases.
机译:肥胖的代谢紊乱是动脉粥样硬化的最常见危险因素之一。肥胖诱导的脂肪因子抵抗素可以诱导细胞粘附分子的表达以及单核细胞与内皮细胞的附着,这在动脉粥样硬化的发展中起重要作用。熊果酸是一种在水果和许多草药中发现的五环三萜类化合物,具有一系列生物效应,例如抗炎和抗氧化特性。这项研究的目的是研究熊果酸对抵抗素诱导的U937细胞与人脐静脉内皮细胞(HUVEC)粘附的潜在潜在机制。我们的数据表明,熊果酸抑制U937与HUVEC的粘附,并下调粘附分子,血管细胞粘附分子1(VCAM-1),细胞内细胞粘附分子1(ICAM-1)和E-选择素的表达,通过降低细胞内反应氧(ROS)的产生并减弱NFκB的核易位,来抑制抵抗素诱导的HUVECs。熊果酸似乎抑制了抵抗素诱导的动脉粥样硬化,提示熊果酸可能在肥胖诱导的过程中起保护作用心血管疾病。

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