Expression levels and clinical significance of miR-126 in circulating endothelial microparticles and the monocyte to high-density lipoprotein ratio in patients with acute myocardial infarction after percutaneous coronary intervention
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摘要: 目的 分析急性心肌梗死(AMI)患者在接受经皮冠状动脉介入治疗(PCI)后,外周血内皮细胞来源的微粒中的microRNA-126(miR-126)表达水平以及单核细胞与高密度脂蛋白胆固醇比值(MHR)的变化及其临床意义。方法 纳入2019—2022年在新疆维吾尔自治区人民医院心内科进行冠状动脉造影(CAG),随后确诊为AMI并接受PCI治疗的60例患者(AMI组)。同时,纳入60例慢性冠状动脉疾病(CCD)患者(CCD组)以及60例健康个体(健康组)作为对照。测定并对比各组患者外周血内皮微粒中的miR-126和MHR表达水平,并计算Gensini评分。相关性分析采用Spearman检验,AMI发生的危险因素采用logistic回归分析,各指标的诊断价值采用ROC曲线分析。结果 AMI组miR-126水平低于CCD组及对照组,MHR高于CCD组及对照组。Spearman相关性分析结果表明,miR-126的表达水平与Gensini评分呈负相关性(r=-0.460,P < 0.001),MHR与Gensini评分呈正相关性(r=0.468,P < 0.001)。多因素logistic回归分析显示,miR-126(OR=6.995,95%CI:2.126~23.018,P=0.001)、MHR(OR=4.527,95%CI:1.145~17.895,P < 0.031)和Gensini评分(OR=0.949,95%CI:0.925~0.974,P < 0.001)是AMI发生的独立危险因素。ROC曲线分析表明,miR-126、MHR和Gensini评分联合检测预测AMI的曲线下面积(AUC)为0.894(95%CI:0.951~0.836,P < 0.001),特异度为95%,灵敏度为76.7%,高于各指标单独预测。结论 miR-126水平和MHR与AMI的发生及冠心病严重程度有重要联系,是潜在的预测和诊断AMI的生物标记物。
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关键词:
- 急性心肌梗死 /
- 经皮冠状动脉介入 /
- microRNA-126 /
- 单核细胞/高密度脂蛋白胆固醇比值
Abstract: Objective To analyze the expression levels of microRNA-126(miR-126) in endothelial cell-derived microparticles in peripheral blood and the changes in the ratio of monocyte to high-density lipoprotein cholesterol(MHR) in patients with acute myocardial infarction(AMI) after undergoing percutaneous coronary intervention(PCI), as well as their clinical significance.Methods Sixty patients who underwent coronary angiography(CAG) and were subsequently diagnosed with AMI, then received PCI treatment at the Department of Cardiology, People's Hospital of Xinjiang Uygur Autonomous Region from 2019 to 2022 were included(AMI group). Additionally, 60 patients with chronic coronary disease(CCD) were included in the CCD group, 60 healthy individuals were included in the health group. The expression levels of miR-126 in peripheral blood endothelial microparticles, the MHR, and Gensini scores among each group were measured and compared. The correlation analysis was conducted using Spearman test, the risk factors for AMI were analyzed using logistic regression, and the diagnostic value of each indicator was analyzed using ROC curve.Results The miR-126 levels in the AMI group were lower than those in the CCD and control groups, while the MHR was higher than those in the CCD and NC groups. The Spearman correlation analysis indicated that the miR-126 levels was negatively correlated with Gensini scores(r=-0.460, P < 0.001), while MHR was positively correlated with Gensini score(r=0.468, P < 0.001). Multivariate logistic regression analysis showed that miR-126(OR=6.995, 95%CI: 2.126-23.018, P=0.001), MHR(OR=4.527, 95%CI: 1.145-17.895, P < 0.031), and Gensini score(OR=0.949, 95%CI: 0.925-0.974, P < 0.001) were independent risk factors for the occurrence of AMI. ROC curve analysis indicated that the area under the curve(AUC) of miR-126, MHR, and Gensini score combined detection for predicting AMI was 0.894(95%CI: 0.951-0.836, P < 0.001), with a specificity of 95% and a sensitivity of 76.7%, which was higher than the prediction of each indicator separately.Conclusion The levels of miR-126 and MHR are significantly associated with the occurrence and severity of coronary heart disease, and they are potential biomarkers for diagnosing and predicting AMI. -
表 1 患者一般临床资料比较
Table 1. Comparison of baseline characteristics
例(%), X ± S, M(P25, P75) 项目 健康组(60例) CCD组(60例) AMI组(60例) F/H/χ2 P 一般资料 年龄/岁 55.00(50.25,61.60) 59.00(53.00,65.00) 56.50(47.00,69.50) 4.138 0.126 男性 31(31.1) 39(34.8) 42(37.5) 4.585 0.101 BMI/(kg/m2) 25.17±3.65 25.82±3.17 26.05±2.95 1.169 0.313 吸烟史 7(13.5) 19(36.5) 26(50.0) 14.980 0.001 收缩压/mmHg 118.33±16.21 130.02±19.59 124.02±19.78 5.921 0.003 Gensini评分 8.50(6.00,14.00) 67.00(42.50,84.75) 116.060 < 0.001 血常规 白细胞计数/(×109/L) 5.81(4.79,7.07) 6.59(5.66,8.13) 9.80(8.16,11.39) 43.330 < 0.001 单核细胞计数/(×109/L) 0.37(0.29,0.51) 0.47(0.39,0.65) 0.69(0.46,1.38) 26.560 < 0.001 淋巴细胞计数/(×109/L) 1.71(1.04,2.39) 1.68(1.24,2.79) 1.73(1.23,2.54) 0.178 0.915 中性粒细胞计数/(×109/L) 3.55(2.89,4.35) 3.99(3.18,5.38) 6.70(5.26,9.27) 54.100 < 0.001 CRP/(mg/dL) 1.55(0.81,3.16) 1.17(0.60,2.32) 2.16(0.99,5.96) 5.650 0.059 血生化结果 Cr/(μmol/L) 59.30(50.95,70.73) 73.8(64.23,81.73) 71.85(61.03,81.78) 9.379 0.009 CK-MB /(U/L) 1.35(0.73,2.51) 2.33(1.08,13.79) 11.30(2.56,64.83) 28.130 < 0.001 FBG/(mmol/L) 4.64(4.25,5.46) 5.40(4.53,6.00) 6.16(5.45,7.84) 32.130 < 0.001 TC/(mmol/L) 4.21(3.49,4.91) 4.22(3.27,5.14) 4.33(3.72,5.23) 0.400 0.819 TG/(mmol/L) 1.36(1.01,1.55) 1.45(1.04,1.96) 1.29(0.97,1.69) 0.845 0.655 LDL-C/(mmol/L) 2.58±0.79 2.65±0.94 2.81±1.02 1.003 0.369 HDL-C/(mmol/L) 1.02(0.88,1.19) 0.97(0.85,1.17) 0.99(0.80,1.15) 1.600 0.449 口服药物 阿司匹林 5(1.0) 50(49.0) 51(50.0) 115.090 < 0.001 他汀类 3(0.9) 57(49.0) 58(50.0) 154.830 < 0.001 β受体阻滞剂 1(0.1) 39(43.8) 49(55.1) 85.520 < 0.001 1 mmHg=0.133 kPa。 表 2 患者miR-126与MHR水平比较
Table 2. Comparison of miR-126 and MHR levels
M(P25, P75) 项目 健康组(60例) CCD组(60例) AMI组(60例) F P miR-126 0.87(0.50,1.32) 1.01(0.54,1.92) 0.33(0.11,0.61) 25.60 < 0.001 MHR 0.36(0.25,0.53) 0.50(0.41,0.79) 0.73(0.45,1.52) 22.53 < 0.001 表 3 AMI发生的危险因素
Table 3. Risk factors for AMI occurrence
变量 单因素logistics回归分析 多因素logistic回归分析 OR 95%CI P OR 95%CI P 吸烟史 0.796 0.370~1.712 0.559 BMI 0.998 0.888~1.120 0.969 收缩压 1.014 0.996~1.033 0.132 Gensini评分 0.950 0.930~0.970 < 0.001 0.949 0.925~0.974 < 0.001 Cr 0.998 0.978~1.019 0.846 FBG 0.780 0.636~0.957 0.017 0.879 0.665~1.163 0.367 miR-126 9.728 3.590~26.360 < 0.001 6.995 2.126~23.018 0.001 MHR 0.431 0.211~0.884 0.022 4.527 1.145~17.895 0.031 -
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