Furthermore, the DU145 hK2-negative xenografts showed significantly lower (P = 0.01) tumour accumulation for 111In-DTPA-11B6, 4.8 ± 0.86%IA/g compared to 17 ± 5.2%IA/g at 48 h (Figure 2a). The gene discussed is HK2; the disease is neoplasm.