Fig. 3From: PSMA imaging as a non-invasive tool to monitor inducible gene expression in vivoComparison of PET-CT images before and after doxycycline induction. Comparison of PET-CT images before (left) and after (right) doxycycline induction in a representative mouse (clone 16). Uptake in the tumours was only visualized after doxycycline administration. The spectrum bar has a range 0–7.1%ID/g for PET (yellow/red tones). The tumour is indicated with a blue arrowBack to article page