BDH2 level was decreased in six NPC cell lines (HONE1, HK1, CNE1, CNE2, TW03 and 5–8F) as compared with two noncancerous nasopharyngeal epithelial cell lines (NP69 and NP460) (Fig. 1a). The gene discussed is BDH2; the disease is nasopharyngeal carcinoma.