Fig. 8From: All-in-one theranostic nano-platform based on polymer nanoparticles for BRET/FRET-initiated bioluminescence imaging and synergistically anti-inflammatory therapy for ulcerative colitis The therapeutic outcomes of BA/Res@NP against chronic UC. A Methods of modeling chronic UC. B Time-dependent variations of body weights. C Disease activity index. D Colon length. E–H The levels of mRNA expression of pro-inflammatory mediators (n = 5). I Histological H&E staining sections of the colons. Scale bar: 200 μm. Arrows: inflammatory cells infiltration. *p < 0.05, **p < 0.005, ***p < 0.001Back to article page