Increased regulatory T cells and eosinophils characterize atopic dermatitis–like graft-versus-host disease compared with lichen planus–like graft-versus-host disease - 19/08/20
Abstract |
Background |
Graft-versus-host disease (GVHD) has various cutaneous manifestations. Little is known about the mechanisms of cutaneous GVHD with different clinical features.
Objective |
To characterize the immunologic features and skin barrier functions of cutaneous GVHD.
Methods |
The study included 19 patients with atopic dermatitis (AD)-like GVHD, 8 with lichen planus (LP)-like GVHD, 24 with AD, and 15 healthy controls. The subpopulation of T cells in peripheral blood and skin lesions was measured by flow cytometry and immunofluorescence, respectively. Filaggrin expression in skin lesions was measured by Western blot and immunohistochemistry. Transepidermal water loss was also measured using Tewameter TM 300 (Courage & Khazaka Electronic GmbH, Köln, Germany).
Results |
The number of peripheral blood eosinophils in AD-like GVHD was significantly higher than that in LP-like GVHD. Type 2 helper T cells in peripheral blood and skin lesions were increased in AD-like GVHD and LP-like GVHD. Regulatory T cells in peripheral blood and skin lesions were increased in AD-like GVHD. Filaggrin expression and transepidermal water loss were increased in skin lesions of AD-like GVHD and LP-like GVHD.
Limitations |
The number of patients is limited.
Conclusion |
Although AD-like GVHD and LP-like GVHD both had elevated type 2 helper T cells and impaired skin barrier, increased eosinophils and regulatory T cells were found only in AD-like GVHD.
Le texte complet de cet article est disponible en PDF.Key words : atopic dermatitis, graft-versus-host disease, lichen planus, skin barrier, T cells
Abbreviations used : AD, CD, GVHD, HSCT, IL, LP, PBMCs, TEWL, Th, Treg
Plan
Funding sources: Supported by the National Natural Science Foundation of China (No.81472879) and Peking University People's Hospital Scientific Research Development Funds (RDY2018-19). |
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Conflicts of interest: None. |
Vol 83 - N° 3
P. 824-831 - septembre 2020 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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