NAMPT and cancer: Visfatin synthesis in non-cancer cells derived from human ovary HOSEpiC and HGrC1 cells (970.37 ng/mL and 508.28 ng/mL, respectively) was higher than in ovarian cancer cell lines OVCAR-3 (208.5 ng/mL), SKOV-3 (20.97 ng/mL) and KGN (37.52 ng.ml) (Fig. 2d–f; ***P < 0.001).