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Modeling competing endogenous RNA regulatory networks in glioblastoma multiforme

机译:在多形性胶质母细胞瘤中建模竞争性内源RNA调控网络

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Recent studies postulated that genes harboring identical microRNA (miRNA) binding sites can crosstalk by competing for a limited pool of the binding miRNAs (the miRNA program), named as the regulation of competing endogenous RNAs (ceRNAs). Incorporating recent biological evidence that ceRNA regulation depends on miRNA program expression levels, we developed, in the present study, a mathematical model for systematically inferring ceRNA regulation that is dependent on expression levels of the miRNA programs from sample-paired mRNA and miRNA expression datasets. Applying the method to analyze glioblastoma datasets, a compact ceRNA regulatory network was constructed. Our data further demonstrated that ceRNA regulation plays an essential role in transient cellular responses to dynamic inter-cellular signals. The findings illuminate mechanism of ceRNA regulation and further provide biological insights into the complex human interactome.
机译:最近的研究推测,具有相同的microRNA(miRNA)结合位点的基因可以通过竞争有限的结合miRNA池(miRNA程序)而相互干扰,这被称为竞争内源性RNA(ceRNA)的调控。结合最近的生物学证据,证明ceRNA调控取决于miRNA程序的表达水平,在本研究中,我们开发了一种数学模型,用于系统地推断ceRNA调控,该模型取决于样品配对的mRNA和miRNA表达数据集中的miRNA程序的表达水平。应用该方法分析胶质母细胞瘤数据集,构建了一个紧凑的ceRNA调控网络。我们的数据进一步证明ceRNA调控在瞬态细胞对动态细胞间信号的反应中起着至关重要的作用。这些发现阐明了ceRNA调控的机制,并进一步为复杂的人类相互作用组提供了生物学见解。

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