As seen in Fig. 5 and Additional file 1: Table S2, accumulation of 68Ga-THP-mal-J591c-scFv in the DU145-PSMA tumour was 5.4 ± 0.5%ID/g, while the DU145 tumour contained 0.5 ± 0.2%ID/g (mean ± SD, n = 4). This evidence concerns the gene FOLH1 and neoplasm.