期刊
BIOLOGICAL CHEMISTRY
卷 402, 期 12, 页码 1481-1491出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/hsz-2021-0281
关键词
early-life microbiota development; gut-lung axis; host resistance; respiratory antimicrobial immunity; virus infection
资金
- Deutsche Forschungsgemeinschaft (DFG) [VI 538/6-3, VI 538/9-1]
- DFG under Germany's Excellence Strategy [EXC 2155, 39087428]
Colonization of the intestine with commensal bacteria is essential for maintaining human health and can impact airway immunity and host defense against respiratory infections. Specific compositions and functions of gut commensal microbiota can provide protection against respiratory infections caused by bacterial and viral pathogens. Understanding these relationships can help in modulating gut microbiome maturation to enhance lifelong resistance to respiratory infections.
Colonization of the intestine with commensal bacteria is known to play a major role in the maintenance of human health. An altered gut microbiome is as soci-ated with various ensuing diseases including respiratory diseases. Here, we summarize current knowledge on the impact of the gut microbiota on airway immunity with a focus on consequences for the host defense against respiratory infections. Specific gut commensal microbiota compositions and functions are depicted that mediate protection against respiratory infections with bacterial and viral pathogens. Lastly, we highlight factors that have imprinting effects on the establishment of the gut micro-biota early in life and are potentially relevant in the context of respiratory infections. Deepening our under-standing of these relationships will allow to exploit the knowledge on how gut microbiome maturation needs to be modulated to ensure lifelong enhanced resistance towards respiratory infections.
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