The role of IL-17A in axial spondyloarthritis and psoriatic arthritis: recent advances and controversies

McGonagle, D. G., McInnes, I. B. , Kirkham, B. W., Sherlock, J. and Moots, R. (2019) The role of IL-17A in axial spondyloarthritis and psoriatic arthritis: recent advances and controversies. Annals of the Rheumatic Diseases, 78(9), pp. 1167-1178. (doi:10.1136/annrheumdis-2019-215356) (PMID:31278139) (PMCID:PMC6788885)

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Abstract

Although the pathogenic mechanisms underlying axial spondyloarthritis (axSpA) and psoriatic arthritis (PsA) are not fully elucidated, several lines of evidence suggest that immune responses mediated by interleukin 17A (IL-17A) play a pivotal role in both diseases. This is best highlighted by the significant clinical efficacy shown with inhibitors of IL-17A in treating axSpA and PsA. Nevertheless, a number of knowledge gaps exist regarding the role of IL-17A in the pathophysiology of spondyloarthritis in man, including its cellular origin, its precise role in discrete disease processes such enthesitis, bone erosion, and bone formation, and the reasons for the discrepant responses to IL-17A inhibition observed in certain other spondyloarthritis manifestations. In this review, we focus on the latest data from studies investigating the role of IL-17A in ankylosing spondylitis (AS) and PsA that build on existing and emerging scientific knowledge in the field. Key remaining research questions are also highlighted to guide future research.

Item Type:Articles
Keywords:Ankylosing spondylitis, inflammation, psoriatic arthritis, spondyloarthritis.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:McInnes, Professor Iain
Authors: McGonagle, D. G., McInnes, I. B., Kirkham, B. W., Sherlock, J., and Moots, R.
College/School:College of Medical Veterinary and Life Sciences > Institute of Infection Immunity and Inflammation
Journal Name:Annals of the Rheumatic Diseases
Publisher:BMJ Publishing Group
ISSN:0003-4967
ISSN (Online):1468-2060
Published Online:05 July 2019
Copyright Holders:Copyright © 2019 The Authors
First Published:First published in Annals of the Rheumatic Diseases 78(9):1167-1178
Publisher Policy:Reproduced under a Creative Commons License

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