In vitro cell absorption was performed with prostate cancer cells, LNCaP (PSMA-positive) and PC3 (PSMA-negative), cultured in multi-well tissue culture plates and incubated in 8 pmol and 37 kBq of [99mTc]PSMA-11 per well for 1 h. The gene discussed is FOLH1; the disease is Familial prostate cancer.