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首页> 外文期刊>Canadian Journal of Physiology and Pharmacology >Polyethylene-glycol-coated gold nanoparticles improve cardiac function after myocardial infarction in mice
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Polyethylene-glycol-coated gold nanoparticles improve cardiac function after myocardial infarction in mice

机译:聚乙二醇涂层的金纳米颗粒在小鼠心肌梗死后改善心脏功能

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摘要

Gold nanoparticles (AuNPs) are widely used for drug delivery because of their unique biological properties, such as their safety and ability to prolong drug action. Some studies have demonstrated that AuNPs accumulate in the heart, especially during pathological processes. Therefore, it is very important to understand the effect of AuNPs on the heart. Myocardial infarction (MI) is a major cause of morbidity and mortality; however, the effect of AuNPs on MI remains unclear. In the present study, we carried out a comprehensive evaluation of AuNPs on acute MI. The results showed that AuNPs accumulated in infarcted hearts, decreased infarction size, improved systolic function, and inhibited cardiac fibrosis and TNF-alpha accumulation. Our work indicated that AuNPs have cardioprotective effects and can be used in drug delivery systems for the treatment of cardiac diseases.
机译:由于它们独特的生物学性质,金纳米颗粒(AUNP)广泛用于药物递送,例如它们的安全性和延长药物作用的能力。 一些研究表明,AUNP在心脏中积聚,特别是在病理过程中。 因此,了解AUNPS在心脏上的影响非常重要。 心肌梗死(MI)是发病率和死亡率的主要原因; 然而,AUNP对MI对MI的影响尚不清楚。 在本研究中,我们对急性MI的AUNP进行了综合评价。 结果表明,AUNP累积在梗死的心中,降低梗死尺寸,改善的收缩功能,抑制心肌纤维化和TNF-α积累。 我们的工作表明,AUNPS具有心脏保护作用,可用于药物递送系统以治疗心脏病。

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