Journal
BIOMEDICINE & PHARMACOTHERAPY
Volume 143, Issue -, Pages -Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2021.112108
Keywords
Gut-lung axis; Microbiota; Sequencing; Tuberculosis; Anti-TB antibiotics
Funding
- National Natural Science Foundation of China [81760693, U1702282]
- major science and technology special project of Yunnan Province [2019F004]
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Trillions of microorganisms in the human respiratory and gastrointestinal tracts play a crucial role in maintaining human health by producing antimicrobial metabolites to protect the body from pathogens. The microbiome interacts with each other and with the host in a mutually beneficial relationship, potentially influencing immune homeostasis and respiratory physiology. Dysbiosis caused by anti-TB antibiotics may make the host more susceptible to M. tuberculosis infection.
Trillions of beneficial and hostile microorganisms live in the human respiratory and gastrointestinal tracts, which act as gatekeepers in maintaining human health, i.e., protecting the body from pathogens by colonizing mucosal surfaces with microbiota-derived antimicrobial metabolites such as short-chain fatty acids or host-derived cy-tokines and chemokines. It is widely accepted that the microbiome interacts with each other and with the host in a mutually beneficial relationship. Microbiota in the respiratory tract may also play a crucial role in immune homeostasis, maturation, and maintenance of respiratory physiology. Anti-TB antibiotics may cause dysbiosis in the lung and intestinal microbiota, affecting colonization resistance and making the host more susceptible to Mycobacterium tuberculosis (M. tuberculosis) infection. This review discusses recent advances in our understanding of the lung microbiota composition, the lungs and intestinal microbiota related to respiratory health and dis-eases, microbiome sequencing and analysis, the bloodstream, and the lymphatic system that underpin the gut-lung axis in M. tuberculosis-infected humans and animals. We also discuss the gut-lung axis interactions with the immune system, the role of the microbiome in TB pathogenesis, and the impact of anti-TB antibiotic therapy on the microbiota in animals, humans, and drug-resistant TB individuals.
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