These include the action of PCAT-1 (Prostate Cancer-Associated Transcript 1), which epigenetically silenced PTEN (Phosphatase and Tensin Homolog) via recruiting EZH2 in BGC823/CDDP and SGC7901/CDDP cisplatin-resistant gastric cancer cell lines [134]. The gene discussed is PTEN; the disease is gastric cancer.