FOLH1 and posterior cortical atrophy: Furthermore, fusion of a peptide-tag to the urea-based ligand of PSMA converts the radiotracer into a radio-/immunotheranostic targeting molecule (TM) which can be used for both PET imaging of PCa patients and retargeting of T cells genetically modified with a universal chimeric antigen receptor (UniCAR) for immunotherapy [17,18,19,20].