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Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
Published on: August 7, 2017
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Upper respiratory tract microbiota is associated with small airway function and asthma severity
Yi Li1, Congying Zou2, Jieying Li3
1State Key Laboratory of Severe Weather of CMA, Chinese Academy of Meteorological Sciences, Beijing, 100081, China.
BMC Microbiology
|January 13, 2023
Summary
Airway microbiota composition in asthma patients is linked to small airway function. This study identifies specific microbiome profiles associated with lung function in asthma.
Area of Science:
- Respiratory Medicine
- Microbiome Research
- Pulmonology
Background:
- Airway microbiota characteristics may impact asthma status and phenotype.
- Understanding the airway microbiome is crucial for investigating its role in asthma development and small airway function.
Purpose of the Study:
- To analyze bacterial microbiota profiles in induced sputum of asthma patients and healthy individuals.
- To examine associations between small airway function and the airway microbiome in asthma.
Main Methods:
- Bacterial microbiota profiles were analyzed from induced sputum samples.
- Data from 31 asthma patients and 12 healthy controls from Beijing, China were used.
- Statistical analyses were performed to identify associations between microbiome composition and small airway function.
Main Results:
- Sputum microbiota composition significantly correlated with small airway function in asthma patients.
- Two distinct microbiome-driven clusters were identified, characterized by specific small airway function levels.
- Taxa exhibiting a linear relationship with small airway function were identified.
Conclusions:
- Airway microbiota composition is demonstrably associated with small airway function in asthma.
- These findings highlight the potential role of the airway microbiome in modulating asthma phenotypes and lung function.
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