Fig. 6

NM-PB nanozymes restore mucosal barrier function and promote macrophage reprogramming in mice with UC. A) Immunofluorescence staining of ZO-1 and Occludin in colon tissues after different treatments (scale bar = 200 μm). B) Representative images of TUNEL staining in colon tissues after different treatments (scale bar = 200 μm). C) Immunofluorescence staining of iNOS and CD206 expression in colon tissues after different treatments (scale bar = 200 μm)