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CD8+ T Cells in the Lesional Skin of Atopic Dermatitis and Psoriasis Patients Are an Important Source of IFN-γ, IL-13, IL-17, and IL-22

Open access
Hijnen, DirkJan, Knol, Edward F., Gent, Yoony Y., Giovannone, Barbara, Beijn, Scott J.P., Kupper, Thomas S., Bruijnzeel-Koomen, Carla A.F.M., Clark, Rachael A.·2013·Journal of Investigative Dermatology

Abstract

Although CD4+ T cells are known to contribute to the pathology of atopic dermatitis (AD) and psoriasis, the role of CD8+ T cells in these diseases remains poorly characterized. The aim of this study was to characterize the cytokine production of T cells from AD and psoriasis skin. We found that CD4+ T cells isolated from AD skin were largely Th2-biased, in agreement with prior reports. However, we also observed large numbers of CD8+ T cells producing IL-13, IFN-γ and IL-22. We observed increased numbers of CD8+ T cells isolated from AD skin, and immunohistochemistry studies confirmed the presence of CD8+ T cells in the dermis and epidermis of AD skin lesions. Surprisingly, T cell cytokine production was similar in the lesional and non-lesional skin of patients with AD. T cells from psoriatic lesional skin predominantly produced IFN-γ, IL-17 and IL-22, in agreement with prior studies. However, in addition to Th17 cells, we observed high percentages of CD8+ T cells that produced both IL-22 and IL-17 in psoriatic skin lesions. Our findings demonstrate that CD8+ T cells are a significant and previously unappreciated source of inflammatory cytokine production in both AD and psoriasis.

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Crossref · 10.1038/jid.2012.456

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Metadata

Authors
Hijnen, D., Knol, E. F., Gent, Y. Y., Giovannone, B., Beijn, S. J. P., Kupper, T. S., Bruijnzeel-Koomen, C. A. F. M., & Clark, R. A.
Venue
Journal of Investigative Dermatology
Publisher
Elsevier BV
Published
2013-04
Volume
133
Issue
4
Pages
973-979
ISSN
0022-202X (ISSN-L)
OpenAlex
W1987844651
Cited by
271
References
4
FWCI
19.29
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: CD8+ T Cells in the Lesional Skin of Atopic Dermatitis and Psoriasis Patients Are an Important Source of IFN-γ, IL-13, IL-17, and IL-22. https://app.cochat.ai/papers/10.1038/jid.2012.456
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Hijnen, D., Knol, E. F., Gent, Y. Y., Giovannone, B., Beijn, S. J. P., Kupper, T. S., Bruijnzeel-Koomen, C. A. F. M., & Clark, R. A. (2013). CD8+ T Cells in the Lesional Skin of Atopic Dermatitis and Psoriasis Patients Are an Important Source of IFN-γ, IL-13, IL-17, and IL-22. Journal of Investigative Dermatology. https://doi.org/10.1038/jid.2012.456

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.