Recent updates on the role of the gut-liver axis in the pathogenesis of NAFLD/NASH, HCC, and beyond.

Hepatol Commun

Department of Hepatology, Osaka Metropolitan University, Graduate School of Medicine, Osaka, Japan.

Published: September 2023

The gut and the liver are anatomically and physiologically connected, and this connection is called the "gut-liver axis," which exerts various influences on liver physiology and pathology. The gut microbiota has been recognized to trigger innate immunity and modulate the liver immune microenvironment. Gut microbiota influences the physiological processes in the host, such as metabolism, by acting on various signaling receptors and transcription factors through their metabolites and related molecules. The gut microbiota has also been increasingly recognized to modulate the efficacy of immune checkpoint inhibitors. In this review, we discuss recent updates on gut microbiota-associated mechanisms in the pathogenesis of chronic liver diseases such as NAFLD and NASH, as well as liver cancer, in light of the gut-liver axis. We particularly focus on gut microbial metabolites and components that are associated with these liver diseases. We also discuss the role of gut microbiota in modulating the response to immunotherapy in liver diseases.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10462074PMC
http://dx.doi.org/10.1097/HC9.0000000000000241DOI Listing

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