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Serum microRNA181a: Correlates with the intracellular cytokine levels and a potential biomarker for acute graft-versus-host disease

机译:血清microRNA181a:与细胞内细胞因子水平和急性移植物抗宿主病的潜在生物标志物相关

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The aim of this study was to investigate the clinical relevance of lymphocyte-related serum miRNAs to the pathogenesis of acute graft-versus-host disease (aGVHD) and evaluate the predictive and prognosis value of miRNAs. Consecutive patients who received allogeneic peripheral blood stem cell transplantation (allo-PBSCT) in General Hospital of Jinan Military District were enrolled. aGVHD patients were diagnosed and graded clinically, and divided into the training set and the testing set. Blood samples were collected, total RNA was isolated, and RT-PCR was performed for miRNA expression (miR-181a-3p, miR-214-3p and miR-326). Intracellular cytokines levels were assayed by flow cytometry, and the disease specificity assay of miRNAs for aGVHD was detected. A total of 120 patients were admitted. Serum level of miR-181a in aGVHD patients was highly increased and associated with the severity of aGVHD, but not miR-214 and miR-326. Levels of cytokines including IL-2, IL-22, and IL-17a were positively correlated with miR-181a level, while serum IL-13 level was negatively correlated with miR-181a level in aGVHD patients. Moreover, increased miR-181a level was not detected in patients with acute rejection after kidney transplantation or sepsis patients. MiR-181a level was sensitively and specifically increased, especially in severe aGVHD patients. MiR-181a may be a potential biomarker for the identification, diagnosis, and prognosis of aGVHD patients. (C) 2016 Elsevier Ltd. All rights reserved.
机译:这项研究的目的是调查淋巴细胞相关的血清miRNA与急性移植物抗宿主病(aGVHD)发病机制的临床相关性,并评估miRNA的预测和预后价值。入选济南军区总医院异体外周血干细胞移植(allo-PBSCT)的患者。对aGVHD患者进行临床诊断和分级,分为训练集和测试集。收集血样,分离总RNA,并对miRNA表达进行RT-PCR(miR-181a-3p,miR-214-3p和miR-326)。通过流式细胞术测定细胞内细胞因子水平,并检测miRNA对aGVHD的疾病特异性测定。共收治120例患者。 aGVHD患者的血清miR-181a水平显着升高,并与aGVHD的严重程度相关,但与miR-214和miR-326无关。在aGVHD患者中,包括IL-2,IL-22和IL-17a在内的细胞因子水平与miR-181a水平呈正相关,而血清IL-13水平与miR-181a水平呈负相关。此外,在肾移植后急性排斥反应的患者或败血症患者中未检测到miR-181a水平升高。特别是在严重的aGVHD患者中,MiR-181a水平敏感而特异性地升高。 MiR-181a可能是鉴定,诊断和预后aGVHD患者的潜在生物标志物。 (C)2016 Elsevier Ltd.保留所有权利。

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