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Thinking bigger: How early life environmental exposures shape the gut microbiome and influence the development of asthma and allergic disease.

08:00 EDT 9th April 2019 | BioPortfolio

Summary of "Thinking bigger: How early life environmental exposures shape the gut microbiome and influence the development of asthma and allergic disease."

Imbalance, or dysbiosis, of the gut microbiome of infants has been linked to an increased risk of asthma and allergic diseases. Most studies to date have provided a wealth of data showing correlations between early-life risk factors for disease and changes in the structure of the gut microbiome that disrupt normal immunoregulation. These studies have typically focused on one specific risk factor, such as mode of delivery or early-life antibiotic use. Such 'micro-level' exposures have a considerable impact on affected individuals but not necessarily the whole population. In this Review we place these mechanisms under a larger lens that takes into account the influence of upstream 'macro-level' environmental factors such as air pollution and the built environment. While these exposures likely have a smaller impact on the microbiome at an individual level, their ubiquitous nature confers them with a large influence at the population level. We focus on features of the indoor and outdoor human-made environment, their microbiomes and the research challenges inherent in integrating the built environment microbiomes with the early-life gut microbiome. We argue that an exposome perspective integrating internal and external microbiomes with macro-level environmental factors can provide a more comprehensive framework to define how environmental exposures can shape the gut microbiome and influence the development of allergic disease. This article is protected by copyright. All rights reserved.

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This article was published in the following journal.

Name: Allergy
ISSN: 1398-9995
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