PCAT7 and nasopharyngeal carcinoma: To date, several lncRNAs, including EWSAT1 [11], LOC100129148 [12], PCAT7 [13], CCAT1 [14], NCK1-AS1 [15], and LINC00460 [16] are found to involve in NPC tumorigenesis, and some of them have been identified as alternative therapeutic targets and biomarkers for NPC.