Dioscin Attenuates Myocardial Ischemic/Reperfusion-Induced Cardiac Dysfunction through Suppression of Reactive Oxygen Species.

Dioscin Attenuates Myocardial Ischemic/Reperfusion-Induced Cardiac Dysfunction through Suppression of Reactive Oxygen Species.
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DOI:
10.1155/2021/3766919
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发表时间:
2021
影响因子:
--
通讯作者:
Lu Q
Lu Q
中科院分区:
生物学2区
文献类型:
--
作者:
Lyu D;Tian Q;Qian H;He C;Shen T;Xi J;Xiao P;Lu Q

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心肌缺血/再灌注(MI/R)是心血管疾病的主要原因之一,具有较高的发病率和死亡率。然而,病理性再灌注的机制仍不清楚。在这项研究中,我们发现,薯蓣皂苷,一种天然产物,可能是一个潜在的候选人,通过调节心功能不全治疗MI/R。从机制上讲,我们的工作表明薯蓣皂苷可以通过抑制烟酰胺腺嘌呤二核苷酸磷酸(NADPH)氧化酶2(Nox 2)和增强抗氧化酶(包括超氧化物歧化酶(SOD),过氧化氢酶(CAT),谷胱甘肽(GSH)和谷胱甘肽过氧化物酶(GPx))的表达来抑制活性氧(ROS)的产生。这些发现表明薯蓣皂苷可能是MI/R损伤治疗干预的潜在候选者。
Myocardial ischemic/reperfusion (MI/R) is a leading cause of cardiovascular disease with high morbidity and mortality. However, the mechanisms underlying pathological reperfusion remain obscure. In this study, we found that dioscin, a natural product, could be a potential candidate for treating MI/R through modulating cardiac dysfunction. Mechanistically, our work revealed that dioscin could suppress the production of reactive oxygen species (ROS) via repressing the nicotinamide adenine dinucleotide phosphate (NADPH) oxidase 2 (Nox2) and enhancing the expression of antioxidant enzymes, including superoxide dismutase (SOD), catalase (CAT), glutathione (GSH), and glutathione peroxidase (GPx). These findings indicate that dioscin may be a potential candidate for therapeutic interventions in MI/R injury.
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