Correlations between acute myocardial infarction and endothelial microparticles, tissue factor, and interleukin-33 of coronary artery blood
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摘要: 目的:分析急性心肌梗死(AMI)患者冠状动脉(冠脉)血内皮细胞源微粒(EMPs)、组织因子(TF)和白细胞介素-33(IL-33)水平,探讨EMPs、TF和IL-33与冠脉斑块局部急性血栓形成事件的相关性。方法:冠脉介入术中收集27例AMI患者(AMI组)和30例稳定型冠心病(SCAD)患者(SCAD组)冠脉血标本。采用流式细胞术对EMPs(CD31)进行定性和定量检测,采用ELISA法测定TF和IL-33蛋白水平。结果:AMI组EMPs水平高于SCAD组[11.10(8.27,13.20)%∶3.92(2.80,7.02)%,P<0.001],AMI组TF水平高于SCAD组[(303.80.12±42.04) pg/mL∶(197.12±38.05) pg/mL,P<0.001],AMI组IL-33水平高于SCAD组[(138.29±47.64) pg/mL∶(96.93±28.87) pg/mL,P<0.001]。根据ROC曲线分析EMPs、TF和IL-33诊断AMI的价值,其曲线下面积(AUC)分别为0.888、0.962和0.778。结论:AMI患者冠脉血EMPs、TF和IL-33蛋白水平升高,EMPs、TF蛋白和IL-33蛋白有可能参与急性冠脉血栓事件。Abstract: Objective: The study investigated the level of endothelial microparticles(EMPs), tissue factor(TF) and interleukin(IL)-33 protein of coronary blood in patients with acute myocardial infarction(AMI), and explored the correlations between EMPs, TF and IL-33.Methods: The level of EMPs, IL-33 and TF protein of coronary blood in AMI and stable coronary artery disease(SCAD) patients were tested by flow cytometry and ELISA.Results: In the study, we demonstrated that the AMI group had a higher level of EMPs, TF,and IL-33 protein than the SCAD patients in coronary blood(P<0.001), 11.10%(8.27%, 13.20%) vs 3.92%(2.80%, 7.02%) for EMPs,(303.80±42.04) pg/mL vs(197.12±38.05) pg/mL for TF protein,(138.29±47.64) pg/mL vs(96.93±28.87) pg/mL for IL-33 protein. According to the ROC curve analysis, the areas under the curve(AUC) EMPs, TF,and IL-33 protein were 0.888, 0.962 and 0.778.Conclusion: The coronary blood of level of EMPs, TF,and IL-33 protein in AMI patients may be involved in the process of acute thrombosis and become a potential risk factor for cardiovascular disease.
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Key words:
- acute myocardial infarction /
- coronary blood /
- endothelial microparticles /
- tissue factor
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