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. 2013 Jan 9;3:387. doi: 10.3389/fimmu.2012.00387

FIGURE 2.

FIGURE 2

Modulation of T cell-derived IL-17 by C5a. C5a modulates TH17 cell differentiation by altering the local production of IL-23, IL-6, and TGF-β by DCs or macrophages. C5a can either enhance or inhibit TH17 cell differentiation depending on the inflammatory context.