Umbilical cord miRNAs to predict neonatal early onset sepsis.

Umbilical cord miRNAs to predict neonatal early onset sepsis.
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DOI:
10.1371/journal.pone.0249548
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发表时间:
2021
期刊:
影响因子:
3.7
通讯作者:
Das S
Das S
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Ernst LM;Mithal LB;Mestan K;Wang V;Mangold KA;Freedman A;Das S

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旨在确定早发性脓毒症 (EOS) 新生儿与未真正感染的新生儿之间脐带血和脐带组织中 miRNA (miR) 的表达是否存在差异。回顾性病例对照研究设计,对象为 EOS 人类患者 (n = 8)、推测脓毒症患者 (N = 12) 和非感染对照患者 (N = 21)。使用 MIHS-3001ZE-miScript miRNA PCR Array Human miFinder 384HC 检查 > 300 个 miR 的差异表达。使用表达的 miR 的全局 Ct 均值对 miR 的表达水平进行标准化,并在组间进行比较。使用GeneGlobe数据分析软件进行数据分析。使用受试者工作特征(ROC)曲线计算并比较组间过度表达和表达不足的 miR 的比率。脐带血浆和脐带组织均显示出几种具有差异表达的 miR,两种样本类型之间几乎没有重叠。 EOS患者血浆中过表达最多的miR是miR-211-5p,EOS脊髓组织中过表达最多的是miR-223-5p。比较 EOS 患者和对照的 miR 过度表达和表达不足的比率的 ROC 曲线得出,脐带血浆 (miR-211-5p/miR-142-3p) 的曲线下面积为 0.787,脐带组织 (miR-223-5p/miR-22-3p) 的曲线下面积为 0.988,表明具有良好的辨别力。与未感染对照和推测脓毒症相比,miR 在 EOS 中表现出差异表达。过度表达和表达不足的 miR 的比率可以为 EOS 提供潜在的敏感且特异的诊断测试。
To determine if miRNA (miR) expression in umbilical cord blood and umbilical cord tissue differs between neonates with early onset sepsis (EOS) versus neonates without true infection. Retrospective case-control study design of human patients with EOS (n = 8), presumed sepsis (N = 12) and non-infected control patients (N = 21). Differential expression of >300 miRs was examined using the MIHS-3001ZE-miScript miRNA PCR Array Human miFinder 384HC. Expression levels of miRs were normalized using the global Ct mean of expressed miR and compared between groups. Data analysis was performed using GeneGlobe data analysis software. Ratios of over and under-expressed miRs were calculated and compared between groups using receiver operating characteristic (ROC) curves. Both umbilical cord plasma and umbilical cord tissue revealed several miRs with differential expression with little overlap between the two specimen types. The most overexpressed miR in plasma of EOS patients was miR-211-5p and the most overexpressed in EOS cord tissue was miR-223-5p. ROC curves comparing the ratios of over and under-expressed miRs for EOS patients and controls resulted in an area under the curve of 0.787 for cord plasma (miR-211-5p/miR-142-3p) and 0.988 for umbilical cord tissue (miR-223-5p/miR-22-3p), indicating good discrimination. miRs show differential expression in EOS versus non-infected controls and presumed sepsis. A ratio of over and under-expressed miRs can provide a potentially sensitive and specific diagnostic test for EOS.
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