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Targeting the IL-23/IL-17 axis in psoriatic disease

By Haimanti Mandal

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Oct 16, 2025

Learning objective: After reading this article, learners will be able to describe the role of the IL-23/IL-17 axis in the pathogenesis of psoriatic disease.


Do you know... Which cytokine is primarily responsible for driving the differentiation of Th17 cells, leading to increased IL-17 production and subsequent keratinocyte activation in psoriasis?

Psoriasis is a chronic autoimmune inflammatory disease, involving both innate and adaptive immune responses. A key driver of its pathogenesis is the interleukin (IL)-23/IL-17 axis, which plays a central role in driving the inflammatory cascade. Targeting this pathway has significantly transformed the treatment landscape, offering effective options for both plaque psoriasis and psoriatic arthritis.

Below, we summarize the immunopathogenic role of the IL-23/IL-17 axis and its relevance as a therapeutic target in psoriatic disease.

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This educational resource is independently supported by UCB. All content was developed by SES in collaboration with an expert steering committee. Funders were allowed no influence on the content of this resource.

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