期刊
OBESITY REVIEWS
卷 23, 期 2, 页码 -出版社
WILEY
DOI: 10.1111/obr.13367
关键词
bariatric surgery; gut microbiota; nonalcoholic steatohepatitis; obesity
资金
- Miguel Servet Type I program [CP19/00098]
- Fondo Europeo de Desarrollo Regional [PI20/00505]
- Institute of Health Carlos III (ISCIII)
This review summarizes the relationship between the severity of nonalcoholic fatty liver disease (NAFLD) and gut microbiota, as well as the role of gut microbiome and related metabolites in NAFLD improvement after bariatric surgery (BS).
Nonalcoholic fatty liver disease (NAFLD) is increasing in parallel with the rising prevalence of obesity, leading to major health and socioeconomic consequences. To date, the most effective therapeutic approach for NAFLD is weight loss. Accordingly, bariatric surgery (BS), which produces marked reductions in body weight, is associated with significant histopathological improvements in advanced stages of NAFLD, such as nonalcoholic steatohepatitis (NASH) and liver fibrosis. BS is also associated with substantial taxonomical and functional alterations in gut microbiota, which are believed to play a significant role in metabolic improvement after BS. Interestingly, gut microbiota and related metabolites may be implicated in the pathogenesis of NAFLD through diverse mechanisms, including specific microbiome signatures, short chain fatty acid production or the modulation of one-carbon metabolism. Moreover, emerging evidence highlights the potential association between gut microbiota changes after BS and NASH resolution. In this review, we summarize the current knowledge on the relationship between NAFLD severity and gut microbiota, as well as the role of the gut microbiome and related metabolites in NAFLD improvement after BS.
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