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. 2014 Jan;42(Database issue):D92-7.
doi: 10.1093/nar/gkt1248. Epub 2013 Dec 1.

starBase v2.0: decoding miRNA-ceRNA, miRNA-ncRNA and protein-RNA interaction networks from large-scale CLIP-Seq data

Jun-Hao Li  1 , Shun Liu, Hui Zhou, Liang-Hu Qu, Jian-Hua Yang
Affiliations

starBase v2.0: decoding miRNA-ceRNA, miRNA-ncRNA and protein-RNA interaction networks from large-scale CLIP-Seq data

Jun-Hao Li et al. Nucleic Acids Res. 2014 Jan.

Abstract

Although microRNAs (miRNAs), other non-coding RNAs (ncRNAs) (e.g. lncRNAs, pseudogenes and circRNAs) and competing endogenous RNAs (ceRNAs) have been implicated in cell-fate determination and in various human diseases, surprisingly little is known about the regulatory interaction networks among the multiple classes of RNAs. In this study, we developed starBase v2.0 (http://starbase.sysu.edu.cn/) to systematically identify the RNA-RNA and protein-RNA interaction networks from 108 CLIP-Seq (PAR-CLIP, HITS-CLIP, iCLIP, CLASH) data sets generated by 37 independent studies. By analyzing millions of RNA-binding protein binding sites, we identified ∼9000 miRNA-circRNA, 16 000 miRNA-pseudogene and 285,000 protein-RNA regulatory relationships. Moreover, starBase v2.0 has been updated to provide the most comprehensive CLIP-Seq experimentally supported miRNA-mRNA and miRNA-lncRNA interaction networks to date. We identified ∼10,000 ceRNA pairs from CLIP-supported miRNA target sites. By combining 13 functional genomic annotations, we developed miRFunction and ceRNAFunction web servers to predict the function of miRNAs and other ncRNAs from the miRNA-mediated regulatory networks. Finally, we developed interactive web implementations to provide visualization, analysis and downloading of the aforementioned large-scale data sets. This study will greatly expand our understanding of ncRNA functions and their coordinated regulatory networks.

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Figures

Figure 1.
Figure 1.
A system-level overview of the starBase v2.0 core framework. A total of 108 data sets of CLIP-seq experiments were compiled to achieve various RBP target sites. Interactions between miRNAs and target genes were predicted and used to construct miRNA-mediated ceRNA networks. Functional predictions of miRNAs and associated genes were achieved by enrichment analysis of 13 functional genomic annotations. All results generated by starBase were deposited in MySQL relational databases and displayed in the visual browser and web pages.
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