PRC1 and cancer: We verified the four up-regulated lncRNAs (TCONS_00020615, TCONS_00055555, TCONS_00106091, and TCONS_00130858) and eight cancer-related mRNAs (CDCA3, DIAPH3, MCM7, NCAPG2, TPD52, PRC1, SETD6, and KIF22) involved in the ceRNA network by qRT-PCR.