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Microbiota and nonalcoholic fatty liver disease: promising prospects for clinical interventions?

TitleMicrobiota and nonalcoholic fatty liver disease: promising prospects for clinical interventions?
Publication TypeJournal Article
Year of Publication2019
AuthorsKnudsen, C, Neyrinck, AM, Lanthier, N, Delzenne, NM
JournalCurr Opin Clin Nutr Metab Care
Volume22
Issue5
Pagination393-400
Date Published2019 Sep
ISSN1473-6519
Abstract

PURPOSE OF REVIEW: Nonalcoholic fatty liver disease (NAFLD) is becoming the most important cause of chronic liver disease in Western countries but no pharmacological therapy is currently available. Growing evidence suggests that the microbiota plays a role in the occurrence and evolution of this disease, namely through the production of bioactive metabolites.

RECENT FINDINGS: Omics technologies (metagenomic, metabolomic, and phenomic data) allow providing a robust prediction of steatosis. More than just correlations, causative effects of certain bacterial metabolites have been evidenced in vitro and in rodent models. Butyrate has been shown to be a potent metabolic and inflammatory modulator in the liver. Several aromatic amino-acids such as phenylacetic acid, imidazole propionate, and 3-(4-hydroxyphenyl)lactate have been identified as potential inducers of steatosis and hepatic inflammation, whereas indolic compounds (indole and indole-3-acetate) seem to preserve liver integrity. Current clinical trials aim at evaluating the efficacy of novel approaches (functional foods, prebiotic and probiotics, and fecal microbial transplants).

SUMMARY: The microbiota brings new hopes in the management of nonalcoholic fatty liver diseases, including nonalcoholic steatohepatitis. Adequate intervention studies in targeted patients are needed to unravel the relevance of such approaches in the management of those liver diseases.

DOI10.1097/MCO.0000000000000584
Alternate JournalCurr Opin Clin Nutr Metab Care
PubMed ID31219825