Fibronectin mRNA expression in cultured human monocytes stimulated with IL-1α for 24 h in the presence of anti-inflammatory cytokines (IL-4, IL-10, IL-13 and transforming growth factor-beta (TGF-β)). 1, non-stimulated; 2, IL-1α 100 U/ml; 3, IL-1α 100 U/ml +IL-4 100 U/ml; 4, IL-1α 100 U/ml +IL-10 100 U/ml; 5, IL-1α 100 U/ml +TGF-β 100 U/ml; 6, IL-1α 100 U/ml +IL-13 100 U/ml.