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Review
, 50 (4), 892-906

The IL-17 Family of Cytokines in Health and Disease

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Review

The IL-17 Family of Cytokines in Health and Disease

Mandy J McGeachy et al. Immunity.

Abstract

The interleukin 17 (IL-17) family of cytokines contains 6 structurally related cytokines, IL-17A through IL-17F. IL-17A, the prototypical member of this family, just passed the 25th anniversary of its discovery. Although less is known about IL-17B-F, IL-17A (commonly known as IL-17) has received much attention for its pro-inflammatory role in autoimmune disease. Over the past decade, however, it has become clear that the functions of IL-17 are far more nuanced than simply turning on inflammation. Accumulating evidence indicates that IL-17 has important context- and tissue-dependent roles in maintaining health during response to injury, physiological stress, and infection. Here, we discuss the functions of the IL-17 family, with a focus on the balance between the pathogenic and protective roles of IL-17 in cancer and autoimmune disease, including results of therapeutic blockade and novel aspects of IL-17 signal transduction regulation.

Conflict of interest statement

Disclosure of Interests:

DJC is an employee of Merck & Co. SLG has consulted for Janssen, Eli Lilly and Merck.

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