Fig. 4From: A TAT-conjugated peptide inhibitor of polo-like kinase 1 for in vivo tumor imagingImages from a representative experiment group mice with HeLa tumor xenograft model. Optical images were obtained at pre-injection, background, 3 h, 6 h, and 24 h after injection of 2 (0.5 mg/kg body weight/100 μL). Red arrows indicated the HeLa tumorBack to article page