Fig. 3From: Peptide-based PET imaging agent of tumor TIGIT expressionPET images of tumor-bearing mice. Static images at 0.5, 1, and 2 h post-injection of 4.44 MBq 68 Ga-DOTA-DTBP3 (n = 3), 68 Ga-DOTA-DTBP3 could be blocked by DTBP3 at 0.5, 1 and 2 h (While the blocking group at 1, 2 h were not shown) (a), and tumor/muscle rations were shown in bBack to article page