2012
DOI: 10.1093/nar/gks657
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Computational analysis of target hub gene repression regulated by multiple and cooperative miRNAs

Abstract: MicroRNA (miRNA) target hubs are genes that can be simultaneously targeted by a comparatively large number of miRNAs, a class of non-coding RNAs that mediate post-transcriptional gene repression. Although the details of target hub regulation remain poorly understood, recent experiments suggest that pairs of miRNAs can cooperate if their binding sites reside in close proximity. To test this and other hypotheses, we established a novel approach to investigate mechanisms of collective miRNA repression. The approa… Show more

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Cited by 82 publications
(66 citation statements)
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“…MiRNAs have a significant impact on the regulation of the key molecular signatures in integrative regulatory networks [30]. In many cases, miRNAs regulate TFs and target genes through different regulatory circuits including feedback and feed-forward loops.…”
Section: Resultsmentioning
confidence: 99%
“…MiRNAs have a significant impact on the regulation of the key molecular signatures in integrative regulatory networks [30]. In many cases, miRNAs regulate TFs and target genes through different regulatory circuits including feedback and feed-forward loops.…”
Section: Resultsmentioning
confidence: 99%
“…This phenomenon can foster, at the post-transcriptional level, an effective and fine-tuned regulation of gene expression and can buffer efficiently noise coming from external stimuli (3). …”
Section: Discussionmentioning
confidence: 99%
“…In the model parameterization analyzed, the feedback loop between E2F1 and miR-205 has minor effects in the dynamics of the network. Our previous results of modeling miRNA regulation of cancer-related genes suggest that the strength of miRNA regulation is context-dependent and may be affected by the coregulation of other miRNAs or proteins (42). Thus, we hypothesize that this feedback loop could be negligible in the scenarios investigated in this article, but still crucial in other biologic contexts which have not been investigated in this paper.…”
Section: Discussionmentioning
confidence: 80%