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Table 4 Comparison of interleukin (IL)-15 production by macrophages, fibroblasts and chondrocytes from rheumatoid tissues

From: Mast cell activation and its relation to proinflammatory cytokine production in the rheumatoid lesion

Cell type IL-15 production in vitro
Synovial macrophages 16.3 ± 4.1
Synovial fibroblasts 8.2 ± 4.4
Chondrocytes 3.7 ± 2.0
  1. Values are expressed as means ± standard error of the mean,and are given as pg/ml per 106 cells per 48 h (n = 3).