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首页> 外文期刊>The American Journal of Cardiology >Effect of acute myocardial infarction on erythrocytic glutathione peroxidase 1 activity and plasma vitamin e levels.
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Effect of acute myocardial infarction on erythrocytic glutathione peroxidase 1 activity and plasma vitamin e levels.

机译:急性心肌梗塞对红细胞谷胱甘肽过氧化物酶1活性和血浆维生素e水平的影响。

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摘要

Glutathione peroxidase 1 (GPX-1) has an important role in antioxidant defense and has been suggested to have a protective role against the pathogenesis of atherosclerosis. In the present study, erythrocytic GPX-1 activity from 42 patients with acute myocardial infarction and 285 healthy control subjects of Taiwanese origin were determined. Our data showed that mean GPX-1 activity decreased in patients with acute myocardial infarction (40.7 +/- 9.2 vs 47.3 +/- 16.6 U/g hemoglobin; p <0.001). There was a significant inverse correlation between GPX-1 activity and acute myocardial infarction incidence (p = 0.032). In addition, plasma vitamin E inversely correlated with acute myocardial infarction incidence (p = 0.017). The incidence of acute myocardial infarction increased only in patients with low plasma vitamin E and low erythrocytic GPX-1 activity, but not in those with high vitamin E and low GPX-1 activity, low vitamin E and high GPX-1 activity, or high vitamin E and high GPX-1 activity. In conclusion,acute myocardial infarction incidence significantly increased in patients with a concomitant decrease in plasma vitamin E and erythrocytic GPX-1 activity, suggesting that both GPX-1 and vitamin E may be valuable markers for monitoring cardiovascular events, particularly when used in combination.
机译:谷胱甘肽过氧化物酶1(GPX-1)在抗氧化剂防御中具有重要作用,并被认为对动脉粥样硬化的发病具有保护作用。在本研究中,确定了42例急性心肌梗死患者和285名台湾血统健康对照者的红细胞GPX-1活性。我们的数据显示,急性心肌梗死患者的平均GPX-1活性降低(40.7 +/- 9.2 vs 47.3 +/- 16.6 U / g血红蛋白; p <0.001)。 GPX-1活性与急性心肌梗塞发生率之间呈显着负相关(p = 0.032)。此外,血浆维生素E与急性心肌梗死的发生率呈负相关(p = 0.017)。仅在血浆维生素E低和红细胞GPX-1活性低的患者中,急性心肌梗塞的发生率增加,而维生素E高和GPX-1活性低,维生素E和GPX-1活性高或高的患者则不增加。维生素E和高GPX-1活性。总之,血浆维生素E和红细胞GPX-1活性同时下降的患者急性心肌梗塞发生率显着增加,这表明GPX-1和维生素E可能是监测心血管事件的有价值的标志物,尤其是组合使用时。

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