FOLH1 and prostate cancer: The biodistribution of [99mTcO2(DPAn-PSMAt)2]+ and [99mTcO2(DPMEP-PSMAt)2]+ was further studied in (i) male SCID/Beige mice bearing DU145-PSMA+ prostate cancer xenografts (Fig. 8) and (ii) male nude mice bearing PSMA-expressing LNCaP prostate cancer xenografts (see SI).