Implications of IL-13Rα2 in atopic skin inflammation

Masutaka Furue, Dugarmaa Ulzii, Takeshi Nakahara, Gaku Tsuji, Kazuhisa Furue, Akiko Hashimoto-Hachiya, Makiko Kido-Nakahara

研究成果: ジャーナルへの寄稿総説査読

23 被引用数 (Scopus)


Atopic dermatitis (AD) is a common eczematous skin disorder characterized by skin inflammation, barrier disruption, chronic pruritus and marked scratching. Th2 cytokines, especially IL-13, play a pathogenic role in AD. IL-13 signals via a heterodimeric receptor composed of IL-4Rα and IL-13 Rα1. A second receptor, IL-13 Rα2, binds to IL-13 with high affinity, but it works as a decoy receptor. IL-13 Rα2 is overexpressed in the lesional skin of AD. Notably, mechanical scratching, as well as IL-13 itself, also upregulates IL-13 Rα2 expression. The scratch-induced IL-13 Rα2 upregulation may attenuate the IL-13-mediated epidermal barrier dysfunction and dermal fibrosis. Recent studies stress an importance of another IL-13 Rα2 ligand, chitinase 3-like 1 or YKL-40 in Th2 differentiation. However, the implications of increased IL-13 Rα2 levels remain elusive in AD. In this review, we summarize the recent topics on IL-13 Rα2 in atopic skin inflammation.

ジャーナルAllergology International
出版ステータス出版済み - 7月 2020

!!!All Science Journal Classification (ASJC) codes

  • 免疫アレルギー学


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