PVT1 and posterior cortical atrophy: To explore the potential mechanism of PVT1 in the development of PCa, the potential target miRNAs of PVT1 were predicted by starBase v2.0, including miR-515-5p, miR-24-3p, miR-512-3p, miR-15a-5p, miR-21-5p and miR-17-5p.