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Oxidative stress in myocardial infarction: Advanced glycation end-products causes oxidative stress in older myocardial infarction patients

机译:心肌梗塞的氧化应激:晚期糖基化终产物会导致老年心肌梗塞患者的氧化应激

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Older patients with type 2 diabetes mellitus have a two- to four-fold increased risk of myocardial infarction. This study aims to determine the association between oxidative stress and advanced glycation end product (AGE). Human serum samples from normal older subjects (n?= 31), older diabetic patients without myocardial infarction (n?= 33), older diabetic patients with myocardial infarction (n?= 32), older non-diabetic with myocardial infarction (n?= 30) and normal young subjects (n?= 31) were investigated. Positive significant correlation was observed between serum AGE and malondialdehyde in older diabetic and non-diabetic patients with myocardial infarction. Negative significant correlation was observed between AGE and vitamin-E in older diabetic and non-diabetic patients with myocardial infarction.?However, malondialdehyde and serum AGE were found to be significantly (P < 0.001) higher in?older?diabetic and non-diabetic patients with and without?myocardial infarction?as compared with?older?control subjects. In contrast to all four?older?groups, the serum AGE was significantly (P < 0.001) lower in young control subjects.?This study revealed that AGE was positively associated with markers of oxidative stress in the older groups.
机译:老年2型糖尿病患者的心肌梗塞风险增加了2到4倍。这项研究旨在确定氧化应激与晚期糖基化终产物(AGE)之间的关联。来自正常老年受试者的人血清样本(n = 31),无心肌梗塞的老年糖尿病患者(n = 33),患有心肌梗死的老年糖尿病患者(n = 32),非糖尿病并发心肌梗死的老年患者(n≥32)。 = 30)和正常的年轻受试者(n = 31)进行了调查。在老年糖尿病和非糖尿病心肌梗死患者中,血清AGE和丙二醛之间存在正相关。老年糖尿病和非糖尿病心肌梗死患者的AGE与维生素E呈负显着相关。然而,老年糖尿病和非糖尿病患者的丙二醛和血清AGE显着较高(P <0.001)。有和没有心肌梗塞的患者与“老年”对照对象相比。与所有四个“老年”组相比,年轻对照组的血清AGE显着降低(P <0.001)。这项研究表明,老年组中AGE与氧化应激指标呈正相关。

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