Developmental patterns in the nasopharyngeal microbiome during infancy are associated with asthma risk.
AuthorTang, HHF; Lang, A; Teo, SM; Judd, LM; Gangnon, R; Evans, MD; Lee, KE; Vrtis, R; Holt, PG; Lemanske, RF; ...
Source TitleJournal of Allergy and Clinical Immunology
Biochemistry and Molecular Biology
Document TypeJournal Article
CitationsTang, H. H. F., Lang, A., Teo, S. M., Judd, L. M., Gangnon, R., Evans, M. D., Lee, K. E., Vrtis, R., Holt, P. G., Lemanske, R. F., Jackson, D. J., Holt, K. E., Inouye, M. & Gern, J. E. (2020). Developmental patterns in the nasopharyngeal microbiome during infancy are associated with asthma risk.. J Allergy Clin Immunol, https://doi.org/10.1016/j.jaci.2020.10.009.
Access StatusAccess this item via the Open Access location
Open Access URLhttps://europepmc.org/articles/PMC7571460?pdf=render
Open Access at PMChttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC7571460
BACKGROUND: Studies indicate that the nasal microbiome may correlate strongly with the presence or future risk of childhood asthma. OBJECTIVES: In this study, we tested whether developmental trajectories of the nasopharyngeal microbiome in early life and the composition of the microbiome during illnesses were related to risk of childhood asthma. METHODS: Children participating in the Childhood Origins of Asthma study (N = 285) provided nasopharyngeal mucus samples in the first 2 years of life, during routine healthy study visits (at 2, 4, 6, 9, 12, 18, and 24 months of age), and during episodes of respiratory illnesses, all of which were analyzed for respiratory viruses and bacteria. We identified developmental trajectories of early-life microbiome composition, as well as predominant bacteria during respiratory illnesses, and we correlated these with presence of asthma at 6, 8, 11, 13, and 18 years of age. RESULTS: Of the 4 microbiome trajectories identified, a Staphylococcus-dominant microbiome in the first 6 months of life was associated with increased risk of recurrent wheezing by age 3 years and asthma that persisted throughout childhood. In addition, this trajectory was associated with the early onset of allergic sensitization. During wheezing illnesses, detection of rhinoviruses and predominance of Moraxella were associated with asthma that persisted throughout later childhood. CONCLUSION: In infancy, the developmental composition of the microbiome during healthy periods and the predominant microbes during acute wheezing illnesses are both associated with the subsequent risk of developing persistent childhood asthma.
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