Cited by 118Dermatology and Skin DiseasesAsthma and respiratory diseasesPsoriasis: Treatment and Pathogenesis

Evolution of pathologic T-cell subsets in patients with atopic dermatitis from infancy to adulthood

Open access
Czarnowicki, Tali, He, Helen, Canter, Talia, Han, Joseph, Lefferdink, Rachel, Erickson, Taylor, Rangel, Stephanie, Kameyama, Naoya +6 more·2020·Journal of Allergy and Clinical Immunology

Abstract

Background The circulating immune phenotype was defined in adults and young children with early atopic dermatitis (AD), but chronologic changes in the blood of infants and children with AD through adolescence have not been explored.Objective We sought to compare immune activation and cytokine polarization in the blood of 0- to 5-year-old (n = 39), 6- to 11-year-old (n = 26), 12- to 17-year-old (n = 21) and 18-year-old or older (n = 43) patients with AD versus age-matched control subjects.Methods Flow cytometry was used to measure IFN-γ, IL-9, IL-13, IL-17, and IL-22 cytokine levels in CD4+/CD8+ T cells, with inducible costimulator molecule and HLA-DR defining midterm and long-term T-cell activation, respectively, within skin-homing/cutaneous lymphocyte antigen (CLA)+ versus systemic/CLA- T cells. Unsupervised clustering differentiated patients based on their blood biomarker frequencies.Results Although CLA+ T H 1 frequencies were significantly lower in infants with AD versus all older patients (P < .01), frequencies of CLA+ T H 2 T cells were similarly expanded across all AD age groups compared with control subjects (P < .05). After infancy, CLA- T H 2 frequencies were increased in patients with AD in all age groups, suggesting systemic immune activation with disease chronicity. IL-22 frequencies serially increased from normal levels in infants to highly significant levels in adolescents and adults compared with levels in respective control subjects (P < .01). Unsupervised clustering aligned the AD profiles along an age-related spectrum from infancy to adulthood (eg, inducible costimulator molecule and IL-22).Conclusions The adult AD phenotype is achieved only in adulthood. Unique cytokine signatures characterizing individual pediatric endotypes might require age-specific therapies. Future longitudinal studies, comparing the profile of patients with cleared versus persistent pediatric AD, might define age-specific changes that predict AD clearance.

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  • There is increasing evidence that the IL-23-IL-17 axis and IL-36 may have a role in some AD subtypes, such as the intrinsic form and in Asian patients.

    “there is increasing evidence that the IL-23–IL-17 axis as well as IL-36 (see above) may have a role, at least in some AD subtypes such as the so-called intrinsic form and in Asian patients73,103,117,123–125.”

    From Atopic dermatitis: an expanding therapeutic pipeline for a complex disease (2022) · cites this paper as [124]

    The Discussion reports an IL-17 signature in pediatric atopic dermatitis skin, providing limited support for a role for IL-17 in a subtype of the disease. It does not establish a role for the IL-23–IL-17 axis or IL-36, or address the intrinsic form or Asian patients; searches for those terms found no relevant passage. The cited copy provides no page numbers. (LLM, conf=0.78)

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  • The sequential and/or cumulative immunological events underlying the complex clinical phenotype are key to understanding the value of targeted therapies for distinct pathways such as TH2, TH17, and/or TH22.

    “The sequential and/or cumulative immunological events that underlie the complex clinical phenotype are key to understanding the value of targeted therapies for distinct pathways such as TH2, TH17 and/or TH22 response124,125.”

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Research works printed but not linked: 2

  1. [46]Ferenczi K, Burack L, Pope M, Krueger JG, Austin LM. CD69, HLA-DR and the IL-2R identify persistently activated T cells in psoriasis vulgaris lesional skin: blood and skin comparisons by flow cytometry. J Autoimmun 2000; 14: 63– 78. 10648117
  2. [88]Burr ML, Dunstan FD, Hand S, Ingram JR, Jones KP. The natural history of eczema from birth to adult life: a cohort study. Br J Dermatol 2013; 168: 1339– 42. 23301666

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Authors
Czarnowicki, T., He, H., Canter, T., Han, J., Lefferdink, R., Erickson, T., Rangel, S., Kameyama, N., Kim, H. J., Pavel, A. B., Estrada, Y., Krueger, J. G., Paller, A. S., & Guttman-Yassky, E.
Affiliations
  • Rockefeller University (US)
  • Icahn School of Medicine at Mount Sinai (US)
  • Northwestern University (US)
Venue
Journal of Allergy and Clinical Immunology
Publisher
Elsevier BV
Published
2020-01
Volume
145
Issue
1
Pages
215-228
ISSN
0091-6749 (ISSN-L)
OpenAlex
W2980556682
Cited by
118
References
90
Citations by year
2026: 9 · 2025: 22 · 2024: 19 · 2023: 19 · 2022: 17 · 2021: 22 · 2020: 10
FWCI
12.34
Type
journal article
Language
en
Open access
Locations
  • Journal of Allergy and Clinical Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Seoul National University Open Repository (Seoul National University) (submittedVersion)
Funders
National Institute of Arthritis and Musculoskeletal and Skin Diseases
Topics
  • Health Sciences › Medicine › Dermatology › Dermatology and Skin Diseases
  • Health Sciences › Medicine › Physiology › Asthma and respiratory diseases
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
Keywords
atopic dermatitis, T cell subsets, age-related immune changes, cutaneous lymphocyte antigen, skin-homing T cells, Th1/Th2 balance, IL-22, IL-13, IL-17, IL-9, interferon-gamma, HLA-DR, T cell activation, chronicity, infants and children
MeSH terms
Adolescent, Adult, Child, Child, Preschool, Dermatitis, Atopic, Female, HLA-DR Antigens, Humans, Infant, Infant, Newborn, Male, Cytokines, Th1 Cells, Th2 Cells

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