FOLH1 and prostate carcinoma: The uptake of [99mTc]Tc-BQ0413 in PSMA-negative SKOV-3 ovarian carcinoma xenografts and PC-3 prostate carcinoma xenografts was apparently lower than in PC3-pip xenografts in images produced by nanoScan SPECT/CT at 3 h pi, which confirmed the results of the in vivo binding specificity test (Figure 11).