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. 2021 Jan 8;11:553742. doi: 10.3389/fimmu.2020.553742

Figure 3.

Figure 3

Candidate cells that may contribute to IL-17 production dependent and independent of IL-23 in Spondyloarthritis. Left: Th17 cells contribute to the production of IL-17 through IL-23 dependant pathway for the entheseal and the peripheral involvement of Spondyloarthritis. Right: Innate immune cells may contribute to the production of IL17 through IL-23 but also independently. Several lymphoid cells (MAIT, γδT cells, iNKT, and ILC3) and myeloid cells (neutrophils, mast cells, eosinophils) has been identified as potential candidates. The cytokines that could induce this production independently from IL23 are still under investigation.