[HTML][HTML] Genome-wide survey of tissue-specific microRNA and transcription factor regulatory networks in 12 tissues

Z Guo, M Maki, R Ding, Y Yang, B Zhang, L Xiong - Scientific reports, 2014 - nature.com
Z Guo, M Maki, R Ding, Y Yang, B Zhang, L Xiong
Scientific reports, 2014nature.com
Tissue-specific miRNAs (TS miRNA) specifically expressed in particular tissues play an
important role in tissue identity, differentiation and function. However, transcription factor
(TF) and TS miRNA regulatory networks across multiple tissues have not been
systematically studied. Here, we manually extracted 116 TS miRNAs and systematically
investigated the regulatory network of TF-TS miRNA in 12 human tissues. We identified
2,347 TF-TS miRNA regulatory relations and revealed that most TF binding sites tend to …
Abstract
Tissue-specific miRNAs (TS miRNA) specifically expressed in particular tissues play an important role in tissue identity, differentiation and function. However, transcription factor (TF) and TS miRNA regulatory networks across multiple tissues have not been systematically studied. Here, we manually extracted 116 TS miRNAs and systematically investigated the regulatory network of TF-TS miRNA in 12 human tissues. We identified 2,347 TF-TS miRNA regulatory relations and revealed that most TF binding sites tend to enrich close to the transcription start site of TS miRNAs. Furthermore, we found TS miRNAs were regulated widely by non-tissue specific TFs and the tissue-specific expression level of TF have a close relationship with TF-genes regulation. Finally, we describe TSmiR (http://bioeng.swjtu.edu.cn/TSmiR), a novel and web-searchable database that houses interaction maps of TF-TS miRNA in 12 tissues. Taken together, these observations provide a new suggestion to better understand the regulatory network and mechanisms of TF-TS miRNAs underlying different tissues.
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