CircRNA-MYLK (circRNA ID: hsa_circ_0141940), located at chromosome: 123332641-123332832, was significantly up-regulated in PC tissues and cell lines (DU145, LNCaP, PC-3 and PC-3MIE8) compared with the control (WPMY-1 cells) by RT-qPCR. This evidence concerns the gene MYLK and pachyonychia congenita.