Immune Netw.  2020 Dec;20(6):e45. 10.4110/in.2020.20.e45.

Crosstalk between the Producers and Immune Targets of IL-9

Affiliations
  • 1Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
  • 2Institute of Biotechnology, Chungnam National University, Daejeon 34134, Korea
  • 3Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, Korea

Abstract

IL-9 has been reported to play dual roles in the pathogenesis of autoimmune disorders and cancers. The collaboration of IL-9 with microenvironmental factors including the broader cytokine milieu and other cellular components may provide important keys to explain its conflicting effects in chronic conditions. In this review, we summarize recent findings on the cellular sources of, and immunological responders to IL-9, in order to interpret the role of IL-9 in the regulation of immune responses. This knowledge will provide new perspectives to improve clinical benefits and limit adverse effects of IL-9 when treating pathologic conditions.

Keyword

Interleukin-9; Autoimmune diseases; Allergy; Cancer; Adaptive immunity; Innate immunity
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