Abstract

AbstractGroup 2 innate lymphoid cells (ILC2s) are a type of innate immune cells that produce a large amount of IL‐5 and IL‐13 and two cytokines that are crucial for various processes such as allergic airway inflammation, tissue repair and tissue homeostasis. It is known that damaged epithelial‐derived alarmins, such as IL‐33, IL‐25 and thymic stromal lymphopoietin (TSLP), are the predominant ILC2 activators that mediate the production of type 2 cytokines. In recent years, abundant studies have found that many factors can regulate ILC2 development and function. Hormones synthesized by the body's endocrine glands or cells play an important role in immune response. Notably, ILC2s express hormone receptors and their proliferation and function can be modulated by multiple hormones during allergic airway inflammation. Here, we summarize the effects of multiple hormones on ILC2‐driven allergic airway inflammation and discuss the underlying mechanisms and potential therapeutic significance.

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