Figure 8. Nesfatin-1 suppressed the IL-1β-induced iNOS and COX-2 expression in rat chondrocytes. Chondrocytes were treated with different concentrations of nesfatin-1 on IL-1β-induced chondrocytes for 24 h. The protein levels of COX-2 and iNOS were evaluated via western blot analysis (A, B, and C). The values are expressed as mean ±SD (n=3) and were analyzed by one-way analysis of variance followed by Tukey's post hoc test. *p<0.05, **p < 0.01 versus the IL-1β group.