Integrative analyses reveal a long noncoding RNA-mediated sponge regulatory network in prostate cancer
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Author
Du, Zhou
Sun, Tong
Hacisuleyman, Ezgi
Lee, Mary Gwo-Shu
Chen, Yiwen
Liu, X. Shirley
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https://doi.org/10.1038/ncomms10982Metadata
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Du, Z., T. Sun, E. Hacisuleyman, T. Fei, X. Wang, M. Brown, J. L. Rinn, et al. 2016. “Integrative analyses reveal a long noncoding RNA-mediated sponge regulatory network in prostate cancer.” Nature Communications 7 (1): 10982. doi:10.1038/ncomms10982. http://dx.doi.org/10.1038/ncomms10982.Abstract
Mounting evidence suggests that long noncoding RNAs (lncRNAs) can function as microRNA sponges and compete for microRNA binding to protein-coding transcripts. However, the prevalence, functional significance and targets of lncRNA-mediated sponge regulation of cancer are mostly unknown. Here we identify a lncRNA-mediated sponge regulatory network that affects the expression of many protein-coding prostate cancer driver genes, by integrating analysis of sequence features and gene expression profiles of both lncRNAs and protein-coding genes in tumours. We confirm the tumour-suppressive function of two lncRNAs (TUG1 and CTB-89H12.4) and their regulation of PTEN expression in prostate cancer. Surprisingly, one of the two lncRNAs, TUG1, was previously known for its function in polycomb repressive complex 2 (PRC2)-mediated transcriptional regulation, suggesting its sub-cellular localization-dependent function. Our findings not only suggest an important role of lncRNA-mediated sponge regulation in cancer, but also underscore the critical influence of cytoplasmic localization on the efficacy of a sponge lncRNA.Other Sources
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4796315/pdf/Terms of Use
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