NAMPT and cancer: In addition, the expression level varied between non-cancer cells and cancer cells: higher basal levels of NAMPT transcripts and higher secretion were noted in non-cancer epithelial ovarian cells (HOSEpiC) than in epithelial ovarian cancers (OVCAR-3) and (SKOV-3), and in non-cancer ovarian granulosa cells (HGrC1) than in adult granulosa (KGN) cells.