PVT1 and nasopharyngeal carcinoma: The results showed that LINC01420, PVT1, LINC01503, LOC730101, LINC00673, TUG1 was upregulated in NPC tissues, while ZNF667-AS1, WDR86-AS1, CCNT2-AS1, LOC730227, TRAF3IP2-AS1, HAR1A was downregulated in NPC tissues, which were consistent with gene array data (Figure 2).