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Bioessays. 2017 Mar;39(3). doi: 10.1002/bies.201600200. Epub 2017 Feb 3.

MicroRNAs at the epicenter of intestinal homeostasis.

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Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark.


Maintaining intestinal homeostasis is a key prerequisite for a healthy gut. Recent evidence points out that microRNAs (miRNAs) act at the epicenter of the signaling networks regulating this process. The fine balance in the interaction between gut microbiota, intestinal epithelial cells, and the host immune system is achieved by constant transmission of signals and their precise regulation. Gut microbes extensively communicate with the host immune system and modulate host gene expression. On the other hand, sensing of gut microbiota by the immune cells provides appropriate tolerant responses that facilitate the symbiotic relationships. While the role of many regulatory proteins, receptors and their signaling pathways in the regulation of the intestinal homeostasis is well documented, the involvement of non-coding RNA molecules in this process has just emerged. This review discusses the most recent knowledge about the contribution of miRNAs in the regulation of the intestinal homeostasis.


butyrate; gene regulation; gut microbiota; homeostasis; microRNA

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