LINC00839 and nasopharyngeal carcinoma: To further explore the mechanism of LINC00839 in affecting the malignancy of NPC, the rescue experiments using pcDNA3.1-LINC00839 plasmid (pc-LINC00839) were performed to ascertain the role of LINC00839 in mediating the biological action of miR-454-3p in NPC cells in vitro.