Tumor uptake in U87MG and MDA-MB-231 xenografts was significantly lower than in PSN1 xenografts (0.46 ± 0.01 %IA/g for U87MG and 0.19 ± 0.01 %IA/g for MDA-MB-231 xenografts; Figs. 4E and 4F). Here, NT5C3A is linked to neoplasm.