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Corticotropin-releasing hormone downregulates IL-10 production by adaptive forkhead box protein 3-negative regulatory T cells in patients with atopic dermatitis

Title
 Corticotropin-releasing hormone downregulates IL-10 production by adaptive forkhead box protein 3-negative regulatory T cells in patients with atopic dermatitis
Authors
 Sang Ho Oh; Chang Ook Park; Kwang Hoon Lee; Ji Yeon Noh; Beom Jin Lim; Seongmin Noh; Byung Gi Bae; Dashlkhumbe Byamba; Shan Jin; Ji Young Kim; Wen Hao Wu
Issue Date
2012
Journal Title
 Journal of Allergy and Clinical Immunology
ISSN
 0091-6749
Citation
 Journal of Allergy and Clinical Immunology, Vol.129(1) : 151-~159, 2012
Abstract
BACKGROUND: Corticotropin-releasing hormone (CRH) is the central regulating hormone of the hypothalamic-pituitary-adrenal axis. CRH also has diverse functional effects in the periphery and is related to the aggravation of several cutaneous diseases; however, the effect of CRH on T cells in patients with atopic dermatitis (AD) has not been well evaluated. OBJECTIVE: We investigated whether CRH directly affects peripheral T(H)1, T(H)2, and regulatory T (Treg) cells in patients with AD. METHODS: We assessed whether T cells express the CRH receptor protein and mRNA by using flow cytometry, Western blotting, immunofluorescence, immunohistochemistry, and RT-PCR. We evaluated cytokine expression using ELISA after treating the T cells extracted from patients with AD and healthy control subjects (HCs) with CRH. Flow cytometry was then used to evaluate any direct effects of CRH on T(H)1, T(H)2, and Treg cells from patients with AD and HCs. RESULTS: T cells from patients with AD expressed significantly lower CRH receptor 1/2 mRNA levels than T cells from HCs. T cells from HCs reacted with different IL-4 and IFN-γ secretions to CRH treatment, whereas T cells from patients with AD did not. IL-10 production was significantly decreased in the supernatants from both the HCs and patients with AD after CRH treatment. CRH upregulated IL-4 production by T(H)2 cells and downregulated IFN-γ production by T(H)1 cells in HCs. CRH also suppressed the production of IL-10 by forkhead box protein 3-negative Treg cells in both groups, but the difference was only significant in patients with AD. CONCLUSIONS: CRH-mediated suppression of IL-10 secretion from Treg cells might explain stress-related exacerbations in patients with AD.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/90606
DOI
10.1016/j.jaci.2011.09.008
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Dermatology
1. 연구논문 > 1. College of Medicine > Dept. of Pathology
Yonsei Authors
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Link
 http://www.sciencedirect.com/science/article/pii/S0091674911014539
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