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Gut microbiota-derived metabolites as key mucosal barrier modulators in obesity

期刊

WORLD JOURNAL OF GASTROENTEROLOGY
卷 27, 期 33, 页码 5555-5565

出版社

BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v27.i33.5555

关键词

Obesity; Metabolic diseases; Microbiota; Mucosal homeostasis; Gut; Microbial metabolites

资金

  1. National Natural Science Foundation of China [81770853, 81970730]

向作者/读者索取更多资源

Understanding the interactions between gut microbiota and the host is crucial for treating metabolic diseases. Intestinal mucosal barrier dysfunction plays a key role in metabolic disorders, and research in this area can lead to improved therapeutic strategies.
A significant breakthrough in the field of obesity research was the demonstration that an obese phenotype could be manipulated by modulating the gut microbiota. An important next step is to elucidate a human-relevant map'' of microbiota-host interactions that regulate the metabolic health of the host. An improved understanding of this crosstalk is a prerequisite for optimizing therapeutic strategies to combat obesity. Intestinal mucosal barrier dysfunction is an important contributor to metabolic diseases and has also been found to be involved in a variety of other chronic inflammatory conditions, including cancer, neurodegeneration, and aging. The mechanistic basis for intestinal barrier dysfunction accompanying metabolic disorders remains poorly understood. Understanding the molecular and cellular modulators of intestinal barrier function will help devise improved strategies to counteract the detrimental systemic consequences of gut barrier breakage. Changes in the composition and function of the gut microbiota, i.e., dysbiosis, are thought to drive obesity-related pathogenesis and may be one of the most important drivers of mucosal barrier dysfunction. Many effects of the microbiota on the host are mediated by microbiota-derived metabolites. In this review, we focus on several relatively well-studied microbial metabolites that can influence intestinal mucosal homeostasis and discuss how they might affect metabolic diseases. The design and use of microbes and their metabolites that are locally active in the gut without systemic side effects are promising novel and safe therapeutic modalities for metabolic diseases.

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