Thus, affinity and internalization studies of the radio complex consisting of NE3TA-transferrin and 64Cu (20 μCi/μL) were conducted on the PC3 human prostate cancer cell line, and the percentage of cellular uptake of the 64Cu-labeled transferrin conjugate was evaluated through Wallac Wizard 3′′ γ-counter. This evidence concerns the gene TF and prostate carcinoma.