Utilizing a lentiviral system, we stably overexpressed the most abundant isoform (Supplementary Figure 7) of lncTAM34a in three TP53-null cell lines, PC3 (prostate cancer), Saos2 (osteogenic sarcoma), and Skov3 (ovarian adenocarcinoma). Here, TP53 is linked to Familial prostate cancer.