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. 2017 Mar 8;19:51. doi: 10.1186/s13075-017-1249-5

Fig. 1.

Fig. 1

Pathogenic role of IL-17A in SpA [12]. Reprinted from Raychaudhuri SP. Role of IL-17 in psoriasis and psoriatic arthritis. Clin Rev Allergy Immunol. 2013;44:183–93, with permission of Springer. APC antigen-presenting cell, ICAM-1 intercellular adhesion molecule-1, IL interleukin, IFN interferon, MMP3 matrix metalloproteinase 3, TGF transforming growth factor, RANKL receptor activator of nuclear factor-κB ligand, Th T-helper, TNF tumor necrosis factor