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. Author manuscript; available in PMC: 2020 Jul 15.
Published in final edited form as: J Immunol. 2019 Jun 12;203(2):360–369. doi: 10.4049/jimmunol.1801276

Fig. 4). sCD13 increases cytokine secretion in RA FLS.

Fig. 4)

A-D) We also determined the contribution of sCD13 in cytokine secretion at the mRNA and protein levels by stimulating RA FLS with sCD13. The levels of MCP-1/CCL2 and IL-6, but not IL-8/CXCL8 (data not shown), were significantly higher in RA FLS stimulated with sCD13 compared to control at mRNA and protein levels.