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Παρασκευή 16 Ιουνίου 2017

Understanding the Holobiont: How Microbial Metabolites Affect Human Health and Shape the Immune System

Publication date: Available online 15 June 2017
Source:Cell Metabolism
Author(s): Thomas Siegmund Postler, Sankar Ghosh
The human gastrointestinal tract is populated by a diverse, highly mutualistic microbial flora, which is known as the microbiome. Disruptions to the microbiome have been shown to be associated with severe pathologies of the host, including metabolic disease, cancer, and inflammatory bowel disease. Mood and behavior are also susceptible to alterations in the gut microbiota. A particularly striking example of the symbiotic effects of the microbiome is the immune system, whose cells depend critically on a diverse array of microbial metabolites for normal development and behavior. This includes metabolites that are produced by bacteria from dietary components, metabolites that are produced by the host and biochemically modified by gut bacteria, and metabolites that are synthesized de novo by gut microbes. In this review, we highlight the role of the intestinal microbiome in human metabolic and inflammatory diseases and focus in particular on the molecular mechanisms that govern the gut-immune axis.

Teaser

The bacteria inhabiting the gastrointestinal tract, collectively referred to as the microbiome, have emerged as important regulators of human health. In this review, Postler and Ghosh discuss how the microbiome affects metabolic and inflammatory diseases, with a particular focus on the molecular mechanisms that govern the gut-immune axis.


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