MTOR and nasopharyngeal carcinoma: Other pathways mediated by EBV in NPC include WNT/β-catenin, Janus kinase (JAK)/STAT, PI3K/Akt/mammalian target of rapamycin (mTOR), epidermal growth factor receptor (EGFR), and mitogen-activated protein kinase (MAPK) pathways [42].