Increased serum levels of IL-17A and IL-23 are associated with decreased vitamin D3 and increased pain in osteoarthritis

Askari, A. and Naghizadeh, M.M. and Homayounfar, R. and Shahi, A. and Afsarian, M.H. and Paknahad, A. and Kennedy, D. and Ataollahi, M.R. (2016) Increased serum levels of IL-17A and IL-23 are associated with decreased vitamin D3 and increased pain in osteoarthritis. PLoS ONE, 11 (11).

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Abstract

Introduction: Osteoarthritis (OA) is the most common type of arthritis and proinflammatory cytokines have been considered as the main etiologic factor in the pathogenesis of the disease. Serum levels of cytokines, that are associated with innate immunity and TH1 cells, have been analyzed in OA patients, however, there is limited research that profiles cytokines associated with Th17 cells and their relation to vitamin D3 and pain. Material and methods: The sera from 131 patients with OA and 262 healthy controls were evaluated for serum levels of IL-17A, IL-21, IL-23 and vitamin D3 using ELISA. Results: Serum levels of IL-17A, and IL-23 were statistically higher in OA patients than in healthy controls, while IL-21 and vitamin D3 were significantly lower in OA patients when compared to controls. A significant positive correlation was found between the serum levels of IL-17A and IL-23 using WOMAC pain scores and vitamin D3 serum levels. Discussion: The results suggest that IL-17A plays a significant role in OA pathogenesis and the induction of pain. Decreased serum levels of vitamin D3 may reflect a positive role played by the factor in the regulation of immune responses in OA patients. © Copyright 2016 Askari et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Item Type: Article
Additional Information: cited By 0
Divisions: School of Medicine
Depositing User: Unnamed user with email eprints@fums.ac.ir
Date Deposited: 10 Mar 2017 17:42
Last Modified: 10 Mar 2017 17:42
URI: http://eprints.fums.ac.ir/id/eprint/35

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