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Fig. 1 | Arthritis Research & Therapy

Fig. 1

From: From osteoarthritic synovium to synovial-derived cells characterization: synovial macrophages are key effector cells

Fig. 1

Characterization of synovial tissue in osteoarthritis (OA). a Representative samples with low-grade (left) and moderate-grade (right) OA synovitis, stained with hematoxylin-eosin (H&E). Bars 100 μm (magnification × 40). Immunohistochemical analysis of CD55 and CD68 on representative cases with low-grade (left) and moderate-grade (right) synovitis in OA. Negative control for CD55 and CD68 (Control). Bars 50 μm. b Percentage of positive cells to CD55 and CD68 analyzed in both low-grade (n = 4) and moderate-grade (n = 22) synovitis in OA. Data are expressed as the median and interquartile range. *Significant differences between low-grade and moderate-grade synovitis: p < 0.005

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Arthritis Research & Therapy

ISSN: 1478-6362

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