ArticlePediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology2024
Molecular allergen sensitization drives phenotypes of severe asthma in children: Evidence from a megacity cohort (SAMP).
Article in Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Early-Life Wheezing and Atopic Burden Are Associated with Treatment-Defined Asthma Severity and Control in School-Age Children: A Two-Center Cross-Sectional Study.Journal of clinical medicine · 2026Article
- Trajectory Analysis of Pediatric Longitudinal Allergen Sensitization Patterns From Real World Data.Allergy, asthma & immunology research · 2026Article
- Molecular sensitization clusters in adult atopy: an ALEXFrontiers in immunology · 2026Article
- Molecular allergen sensitization drives phenotypes of severe asthma in children: Evidence from a megacity cohort (SAMP).Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology · 2024Article
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12 authors.
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Abstract
backgroundSeveral major sensitization profiles have been described in children with asthma, but it remains unclear how these profiles relate to asthma phenotypes. The aim of this study was to determine allergenic sensitization profiles in a megacity cohort (SAMP).
methodsThis was a cross-sectional analysis performed from 2011 to 2015 including preschool and school-age children with severe and moderate asthma from the SAMP cohort. We performed ALEX multiplex array and carried out cluster analysis.
resultsData from 367 children were analyzed: 224 of preschool age and 143 of school age, respectively 84 (38%) and 114 (80%) presented at least one allergic sensitization. At preschool age, three clusters were identified: Cluster 1, Few sensitizations to inhaled allergen molecular families and non-type 2 (T2) inflammation (n = 61); Cluster 2, Predominant sensitization to HDM molecular families (n = 16); Cluster 3, Severe asthma with multiple sensitizations to inhaled and food allergen molecular families (n = 7). At school age, five clusters were identified: Cluster 1, Few sensitizations to inhaled allergen molecular families and non-T2 inflammation (n = 43); Cluster 2, Predominant sensitization to HDM molecular families (n = 31); Cluster 3, Predominant sensitization to PR-10 protein family (n = 25); Cluster 4, Severe asthma with predominant sensitization to tropomyosin family (n = 11); Cluster 5, Severe asthma with multiple sensitizations to inhaled and food allergen molecular families (n = 4).
conclusionThese results underline the heterogeneity of sensitization profiles in severe allergic childhood asthma. The most severe asthma phenotypes were associated with multiple sensitizations to both inhaled and food allergen molecular families as expected, and to the tropomyosin molecular family, a novel finding.
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