期刊
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY
卷 152, 期 4, 页码 827-834出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.jaci.2023.08.008
关键词
Asthma; microbiome; T2 inflammation; gut-lung axis; viral infection; wheezing; promotion of asthma; asthma exacerbations
The human microbiome associated with the respiratory tract is diverse, heterogeneous, and dynamic. The interactions between microorganisms, host cells, and the host immune system play a complex role in respiratory diseases. Viral infections can alter the presence of bacterial species, increasing the risk for allergies and asthma.
The human microbiome associated with the respiratory tract is diverse, heterogeneous, and dynamic. The diversity and complexity of the microbiome and the interactions between microorganisms, host cells, and the host immune system are complex and multifactorial. Furthermore, the lymphatics provide a direct highway, the gut-lung axis, for the gut microbiome to affect outcomes related to respiratory disease and the host immune response. Viral infections in the airways can also alter the presence or absence of bacterial species, which might increase the risks for allergies and asthma. Viruses infect the airway epithelium and interact with the host to promote inflammatory responses that can trigger a wheezing illness. This immune response may alter the host's immune response to microbes and allergens, leading to T2 inflammation. However, exposure to specific bacteria may also tailor the host's response long before the virus has infected the airway. The frequency of viral infections, age at infection, sampling season, geographic location, population differences, and preexisting composition of the microbiota have all been linked to changes in microbiota diversity and stability. This review aims to evaluate the current reported evidence for microbiome interactions and the influences that viral infection may have on respiratory and gut microbiota, affecting respiratory outcomes in children. (J Allergy Clin Immunol 2023;152:827-34.)
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