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- Title
Interleukin-26: An Emerging Player in Host Defense and Inflammation.
- Authors
Tengvall, Sara; Che, Karlhans Fru; Lindén, anders
- Abstract
The production of interleukin (IL)-26 was initially attributed to T cells, and in particular to Th17 cells. However, more recent findings indicate IL-26 production in natural killer (NK) cells, macrophages and fibroblast-like cells as well. It is known that IL-26 binds to the IL-20R1/IL-10R2 receptor complex on certain target cells, where it causes specific intracellular signaling and the secretion of IL-1β, IL-8 and TNF-α. In line with this type of proinflammatory role, IL-26 also increases chemotaxis of human neutrophils. Interestingly, high levels of IL-26 are present even in normal human airways, and endotoxin exposure further enhances these levels; this indicates involvement in antibacterial host defense. Studies on acute inflammatory disorders are few but there are studies showing the involvement of IL-26 in rheumatoid arthritis and inflammatory bowel disease. In conclusion, IL-26 is emerging as a potentially important player in host defense and may also be a pathogenic factor in the chronic inflammatory disorders of humans. © 2015 S. Karger AG, Basel
- Publication
Journal of Innate Immunity, 2016, Vol 8, Issue 1, p15
- ISSN
1662-811X
- Publication type
Article
- DOI
10.1159/000434646