More importantly, the overexpression of PCAT7 was observed in PCa tissues derived from metastatic sites (Fig. 1C), including bone (Fig. 1D) via analyzing PCa datasets from TCGA and http://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE21032. The gene discussed is PCAT7; the disease is posterior cortical atrophy.