Fig. 5

DEXs regulated inflammation via Treg cells and M2 macrophage infiltration. A Representative immunofluorescence staining images of iNOS⁺M1 macrophages in the border zone on day 5. B Number of iNOS⁺ cells. n = 4, *p < 0.05. C Analysis of M1/(M1 + M2) ratio. D Representative immunofluorescence staining images of CD206⁺ M2 macrophages in the border zone on day 5. E The number of CD206⁺ cells. n = 4, *p < 0.05, **p < 0.01. F Analysis of M2/(M1 + M2) ratio. G Representative immunofluorescence staining images of Foxp3⁺Treg cells in the border zone on day 5. H Analysis of Foxp3⁺ cells. n = 4, *p < 0.05, **p < 0.01, ***p < 0.001