血清miR-29联合LncRNA TUG1与ADMA对缺血性脑卒中的鉴别诊断价值

Pan Guo,Xiaolin Liu, Junping Mu

Stroke and Nervous Diseases(2019)

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Abstract
目的 探讨血清微小RNA-29(miR-29)联合长链非编码RNA(lncRNA) TUG1及非对称二甲基精氨酸(ADMA)对缺血性脑卒中的鉴别诊断价值.方法 收集2017年6月-2018年7月本院确诊的缺血性脑卒中患者110例,选取出血性脑卒中患者80例,同期纳入本院的体检健康者100例;采用实时荧光定量PCR(RT-PCR)法检测血清miR-29和LncRNA TUG1表达水平;采用酶联免疫吸附法(ELISA)检测血清ADMA水平.结果 与出血性脑卒中组miR-29(60.7±4.3)-log,LncRNA TUG1(16.4±1.4)-log,ADMA(6.3±0.7)mIU/mL和健康对照组miR-29(62.3±4.8)-log;LncRNA TUG1(15.9±1.3)-log;ADMA(6.4±0.6) mIU/mL比较,缺血性脑卒中组血清LncRNA TUG1 (43.5±3.5)-log和ADMA(11.4±1.4) mIU/mL水平显著升高,而血清miR-29(31.4±2.1)-log水平显著降低(P<0.05),而出血性脑卒中组和健康对照组血清miR-29、LncRNA TUG1及ADMA水平无明显差异(P>0.05).Spearman相关性分析显示,血清LncRNA TUG1及ADMA水平与NIHSS评分(LncRNA TUG1:r=0.538,P=0.002;ADMA:r=0.566,P=0.001)呈正相关,而血清miR-29水平与NIHSS评分(miR-29:r=-0.545,P=0.001)呈负相关.血清miR-29、LncRNA TUG1及ADMA区分缺血性脑卒中与非缺血性脑卒中(出血性脑卒中和健康对照者)的AUC分别为0.863(95%CI=0.800~0.944,P<0.001)、0.912(95%CI=0.833~0.977,P<0.001)和0.764(95%CI=0.688~0.887,P<0.001);敏感度及特异度分别为85.3%/82.1%、94.2%/73.5%和76.8%/81.2%;对应的临界值分别为48.6-log、33.2-log和9.5 mIU/mL.当联合血清miR-29、LncRNATUG1及ADM时区分缺血性脑卒中与非缺血性脑卒中的AUC为0.945(95%CI=0.932~0.998,P<0.001),敏感度为83.8%,特异度为97.3%.结论 联合血清miR-29、LncRNA TUG1及ADMA对缺血性脑卒中具有潜在的鉴别诊断价值.
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