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首页> 外文期刊>Circulation journal >Association of plasma concentration of small heat shock protein B7 with acute coronary syndrome
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Association of plasma concentration of small heat shock protein B7 with acute coronary syndrome

机译:血浆小分子热激蛋白B7浓度与急性冠脉综合征的相关性

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Background: Heat shock proteins (HSPs) act as chaperones and have a protective function in cardiovascular diseases. The clinical association of a novel small HSPB7 with cardiovascular disease, however, has not been reported. The aim of this study was to investigate the potential biological functions of HSPB7 and its relationship with acute coronary syndrome (ACS). Methods and Results: A mouse myocardial infarction (MI) model and samples from clinical human subjects were used to determine plasma HSPB7 concentration after acute MI. The associations of plasma HSPB7 concentration with ACS and other risk factors of coronary artery disease were analyzed. Plasma HSPB7 concentration was found to be rapidly elevated in mice after coronary artery ligation. In addition, plasma HSPB7 concentration was significantly higher in patients with ACS than in control patients with non-cardiac chest pain (5.1 ng/ml vs. 2.9 ng/ml, P<0.001). Plasma HSPB7 was detected as early as 1-3 h after the onset of symptoms and remained detectable up to 24 h. Furthermore, in patients presenting to the emergency department with acute chest pain, HSPB7 level was an independent risk factor of ACS (adjusted odds ratio, 7.44; 95% confidence interval: 1.91-28.93, P<0.01). Conclusions: HSPB7 is a potential early biomarker after MI and serves as an independent risk factor of ACS in patients with acute chest pain.
机译:背景:热休克蛋白(HSP)充当分子伴侣,在心血管疾病中具有保护功能。然而,尚未报道新型小型HSPB7与心血管疾病的临床关联。这项研究的目的是调查HSPB7的潜在生物学功能及其与急性冠状动脉综合征(ACS)的关系。方法和结果:使用小鼠心肌梗塞(MI)模型和临床人类受试者的样品测定急性MI后的血浆HSPB7浓度。分析血浆HSPB7浓度与ACS和其他冠心病危险因素的关系。发现小鼠冠状动脉结扎后血浆HSPB7浓度迅速升高。此外,ACS患者的血浆HSPB7浓度显着高于非心源性胸痛的对照患者(5.1 ng / ml对2.9 ng / ml,P <0.001)。血浆HSPB7最早在症状发作后1-3小时就被检测到,直到24小时仍可检测到。此外,在急诊就诊的急性胸痛患者中,HSPB7水平是ACS的独立危险因素(校正比值比为7.44; 95%置信区间为1.91-28.93,P <0.01)。结论:HSPB7是MI后潜在的早期生物标志物,并且是急性胸痛患者ACS的独立危险因素。

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