NQO1 and melanoma: The top five NQO1 mRNA-enriched cell lines in the HPA database were OE19 (Esophageal adenocarcinoma cell line), SiHa (Cervical cancer cell line), A549 (Alveolar cell carcinoma cell line), WM-115 (Melanoma cell line), and LHCN-M2 (Prostate cancer cell line) (Supplementary Figure S1C).