Fig. 6From: 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 acute UC. A Methods of modeling acute UC. B Weight changes over time. C Disease activity index. D Colon length. E MPO activities. F–I mRNA expressions of TNF-α, IL-1β, IL-12, and IL-6 were evaluated by rtPCR (n = 5). J H&E-stained sections of colon tissues in different groups. Scale bar: 200 μm. Arrows: inflammatory cells infiltration. *p < 0.05, **p < 0.005, ***p < 0.001Back to article page