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首页> 外文期刊>Cellular Physiology and Biochemistry >Expression Changes of Long Noncoding RNA in the Process of Endothelial Cell Activation
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Expression Changes of Long Noncoding RNA in the Process of Endothelial Cell Activation

机译:长非编码RNA在内皮细胞活化过程中的表达变化

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>Background: Endothelial cells have been shown to be in response to a variety of local and systemic stimuli, and are able to transition between quiescent and activated states. Endothelial cell activation is critical for the pathogenesis of various cardiovascular diseases. However, the expression changes of long non-coding RNAs (lncRNAs) are still unknown in the process of endothelial cell activation. Thus, this study was aimed to investigate expression changes of lncRNA before and after endothelial cell activation. Materials and Methods: In an experimental model of peripheral venous congestion, endothelial cells were activated and analyzed with Affymetrix HG-U133 plus2.0 microarray. We analyzed these microarray data and reannotated the microarray probes for lncRNA. Results: According to the definition of absolute fold change>2 and p value <0.05, 27 differentially expressed lncRNAs were identified and only 1 lncRNA transcript, ENST00000509256 was down-regualted. Co-expression network of lncRNA and mRNA were constructed to predict function of the dysregulated lncRNA. Gene set enrichment analyses suggested that these ENST00000509256 was associated with many important functions, such as cell-cell signaling and regulation of cell differentiation. Conclusion: Many lncRNAs are dysregulated upon endothelial cell activation and further experiments are needed to identify the potential biological functions of these lncRNAs.
机译:> 背景: 内皮细胞已显示出对多种局部和全身刺激的反应,并且能够在静止状态和激活状态之间转换。内皮细胞活化对于各种心血管疾病的发病机制至关重要。但是,在内皮细胞激活过程中,长非编码RNA(lncRNA)的表达变化仍然未知。因此,本研究旨在研究内皮细胞激活前后lncRNA的表达变化。 材料和方法: 在外周静脉充血的实验模型中,激活了内皮细胞,并用Affymetrix HG-U133 plus2.0微阵列进行了分析。我们分析了这些微阵列数据,并重新注释了lncRNA的微阵列探针。 结果: 根据绝对倍数变化> 2和p值<0.05的定义,鉴定出27个差异表达的lncRNA,仅1个lncRNA转录本被下调。构建了lncRNA和mRNA的共表达网络,以预测失调的lncRNA的功能。基因集富集分析表明,这些ENST00000509256与许多重要功能相关,例如细胞信号传导和细胞分化调控。 结论: 许多lncRNA在内皮细胞激活后失调,需要进一步的实验来鉴定这些lncRNA的潜在生物学功能。

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