CDKN2B-AS1 and nasopharyngeal carcinoma: To investigate the expression of LncRNA ANRIL in NPC, the qRT-PCR assay was employed in both two immortalized nasopharyngeal epithelial cells (NPECs, N69, and N5-Tert) and a panel of NPC cell lines including CNE1, CNE2, SUNE1, SUNE2, 6-10B, 5-8F, HONE1, HK1 and HNE1.