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. 2020 Oct 30;5:19. doi: 10.1038/s41536-020-00103-1

Fig. 5. Elastase and signaling pathways involved in the macrophage phenotype transition.

Fig. 5

A After NETs and macrophages are cocultured, the elastase in macrophages will increase; B the elastase RNA level of macrophages cocultured with NETs did not change significantly; C proteinase K can reduce elastase in NETs; D after NETs were treated with proteinase K and cocultured with macrophages, the elastase of macrophages did not increase significantly; E after elastase was cocultured with macrophages, the elastase in macrophages was also increased; F alvelestat (elastase inhibitor) decreased the expression of elastase in the NETs-treated macrophages; G NETs activated Smad3 and P65 in macrophages; H, I SIS3 (Smad3 inhibitor) or BAY-11-7082 (P65 inhibitor) mitigated the effects of NETs on the expression of fibronectin in macrophages. All blots or gels derive from the same experiment and that they were processed in parallel. Error bars = SEM; Student’s t test for two groups comparison, two-way ANOVA for three and more groups comparison, number indicated in the figure; ns not significant; *p < 0.05; **p < 0.01; ***p < 0.001.