Bmi1 is upregulated in tumor cells and tissue and associated with poor prognosis in various human cancers including breast cancer (4), lymphomas (5), melanoma (6), colon cancer (7), ovarian cancer (8), hepatocellular carcinoma (9), NPC (10, 11), lung cancer (12), and neuroblastoma (13). This evidence concerns the gene BMI1 and nasopharyngeal carcinoma.