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Fig. 4 | Arthritis Research & Therapy

Fig. 4

From: Joint production of IL-22 participates in the initial phase of antigen-induced arthritis through IL-1β production

Fig. 4

IL-22 differentially regulates local pro-inflammatory cytokines and chemokines in the early phase of AIA. The concentrations of IL-1β (a), IL-17 (b), MCP-1/CCL2 (c) and KC/CXCL1 (d) in the knee joint injected with mBSA (30 μg) or saline in WT and IL-22−/− mBSA-immunized mice were determined at 3 h after challenge. The levels of cytokines and chemokines were evaluated by ELISA. Data are the means ± SEM (n = 5). *P < 0.05, compared with the saline group; and # P < 0.05, compared with the mBSA group. (−/−) deficient, AIA antigen-induced arthritis, ELISA enzyme-linked immunosorbent assay, IL interleukin, KC/CXCL1 keratinocyte-derived chemokine, mBSA methylated bovine serum albumin, MCP-1/CCL2 monocyte chemoattractant protein-1, WT wild-type

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