highly significantp < 0.0001
Fluorescence signals clearly augmented after incubation with MMPSense compared to autofluorescence, showing highly significant differences on both intraluminal (mean value 6.34 vs 1.09; p < 0.0001) and extraluminal sides (mean value 6.12 vs 1.04; p < 0.0001) (Fig. 2 ).