Role of 11β-hydroxysteroid dehydrogenase type 1 in the development of atopic dermatitis

Noo Ri Lee, Beom Jun Kim, Chung Hyeok Lee, Young Bin Lee, Solam Lee, Hyun Jee Hwang, Eunjung Kim, Sung Hee Kim, Min Geol Lee, Sang Eun Lee, Gareth G. Lavery, Eung Ho Choi

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2 Citations (Scopus)

Abstract

Glucocorticoids (GCs) are potent anti-inflammatory drugs, the secretion of which is mediated and controlled by the hypothalamic–pituitary–adrenal axis. However, they are also secreted de novo by peripheral tissues for local use. Several tissues express 11β-hydroxysteroid dehydrogenase 1 (11β-HSD1), including the skin. The inactive GC cortisone is converted by 11β-HSD1 to active GC cortisol, which is responsible for delayed wound healing during a systemic excess of GC. However, the role of 11β-HSD1 in inflammation is unclear. We assessed whether 11β-HSD1 affects the development of atopic dermatitis (AD) in vitro and in vivo. The expression of 11β-HSD1 in the epidermis of AD lesions was higher than that in the epidermis of healthy controls. Knockdown of 11β-HSD1 in human epidermal keratinocytes increased the production of thymic stromal lymphopoietin. In an oxazolone-induced mouse model of AD, localized inhibition of 11β-HSD1 aggravated the development of AD and increased serum cytokine levels associated with AD. Mice with whole-body knockout (KO) of 11β-HSD1 developed significantly worse AD upon induction by oxazolone. We propose that 11β-HSD1 is a major factor affecting AD pathophysiology via suppression of atopic inflammation due to the modulation of active GC in the skin.

Original languageEnglish
Article number20237
JournalScientific reports
Volume10
Issue number1
DOIs
Publication statusPublished - 2020 Dec

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© 2020, The Author(s).

All Science Journal Classification (ASJC) codes

  • General

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