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Genes 2019, 10(4), 270; https://doi.org/10.3390/genes10040270

Host–MicroRNA–Microbiota Interactions in Colorectal Cancer

1
Bioinformatics and Computational Biology Program, University of Minnesota, Minneapolis, MN 55455, USA
2
Department of Surgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA
3
Department of Medicine, University of Minnesota Medical School, Minneapolis, MN 55455, USA
4
Department of Genetics, Cell Biology, and Development, University of Minnesota Medical School, Minneapolis, MN 55455, USA
*
Author to whom correspondence should be addressed.
Received: 29 January 2019 / Revised: 21 March 2019 / Accepted: 27 March 2019 / Published: 2 April 2019
(This article belongs to the Special Issue microRNA in Health and Disease)
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Abstract

Changes in gut microbiota composition have consistently been observed in patients with colorectal cancer (CRC). Yet, it is not entirely clear how the gut microbiota interacts with tumor cells. We know that tumor cells undergo a drastic change in energy metabolism, mediated by microRNAs (miRNAs), and that tumor-derived miRNAs affect the stromal and immune cell fractions of the tumor microenvironment. Recent studies suggest that host intestinal miRNAs can also affect the growth and composition of the gut microbiota. Our previous CRC studies showed a high-level of interconnectedness between host miRNAs and their microbiota. Considering all the evidence to date, we postulate that the altered nutrient composition and miRNA expression in the CRC microenvironment selectively exerts pressure on the surrounding microbiota, leading to alterations in its composition. In this review article, we present our current understanding of the role of miRNAs in mediating host–microbiota interactions in CRC. View Full-Text
Keywords: colorectal cancer; microRNAs; gut microbiota; metabolic interactions colorectal cancer; microRNAs; gut microbiota; metabolic interactions
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Yuan, C.; Steer, C.J.; Subramanian, S. Host–MicroRNA–Microbiota Interactions in Colorectal Cancer. Genes 2019, 10, 270.

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