We have shown previously that PC3 prostate cancer cells express GFP and iNOS transgenes as provoked using hOC, but lymph node carcinoma of the prostate (LNCaP) cancer cells do not;19 LNCaP cells are known to express Runx2 to a much lower extent than PC3 cells.32 This evidence concerns the gene RUNX2 and Familial prostate cancer.