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Figure 6 | Arthritis Res Ther

Figure 6

From: Chondrocyte response to growth factors is modulated by p38 mitogen-activated protein kinase inhibition

Figure 6

Nitric oxide (NO) inhibits chondrocyte proliferation. Chondrocytes were grown to 80% confluence and transduced with adenoviral vector carrying the human inducible nitric oxide synthase gene as described in Materials and methods. Variable concentrations of N-monomethyl-L-arginine were added to modulate NO synthesis, the cells stimulated with 10% fetal calf serum (FCS) or 50 ng/ml insulin-like growth factor 1 (IGF-1), and proliferation evaluated after 24 hours. Values are the mean ± standard error of n = 6–12.

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