Trajectories of childhood immune development and respiratory health relevant to asthma and allergy

Howard Hf Tang, Shu Mei Teo, Danielle Cm Belgrave, Michael D. Evans, Daniel J. Jackson, Marta Brozynska, Merci Mh Kusel, Sebastian L. Johnston, James E. Gern, Robert F. Lemanske, Angela Simpson, Adnan Custovic, Peter D. Sly, Patrick G. Holt, Kathryn E. Holt, Michael Inouye

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


Events in early life contribute to subsequent risk of asthma; however, the causes and trajectories of childhood wheeze are heterogeneous and do not always result in asthma. Similarly, not all atopic individuals develop wheeze, and vice versa. The reasons for these differences are unclear. Using unsupervised model-based cluster analysis, we identified latent clusters within a prospective birth cohort with deep immunological and respiratory phenotyping. We characterised each cluster in terms of immunological profile and disease risk, and replicated our results in external cohorts from the UK and USA. We discovered three distinct trajectories, one of which is a high-risk 'atopic' cluster with increased propensity for allergic diseases throughout childhood. Atopy contributes varyingly to later wheeze depending on cluster membership. Our findings demonstrate the utility of unsupervised analysis in elucidating heterogeneity in asthma pathogenesis and provide a foundation for improving management and prevention of childhood asthma.

Original languageEnglish
Article numbere35856
Publication statusPublished - 15 Oct 2018


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