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Figure 2 | Arthritis Research & Therapy

Figure 2

From: RETRACTED ARTICLE: Mast cells are the main interleukin 17-positive cells in anticitrullinated protein antibody-positive and -negative rheumatoid arthritis and osteoarthritis synovium

Figure 2

IL-17 in synovial tissue and synovial fluid. (A) Number of IL-17+ cells in synovial tissue of ACPA- and ACPA+ RA and OA patients. The results are expressed as the number of cells assessed in 10 high-power fields at ×400 magnification. (B) Levels of IL-17 in synovial fluid determined by ELISA. *P < 0.05 and **P < 0.01, both indicating statistically significant differences. ACPA, anticitrullinated protein antibody; OA, osteoarthritis; RA, rheumatoid arthritis.

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