CD44 and ovarian cancer: Moreover, expression of cancer stemness related genes such as CD44 and c-Kit was significantly high in MCW-OV-SL-3 and A2780 cell lines compared to normal ovarian surface epithelial cells MCW-OSE-1, while CD24 was significantly low in ovarian cancer cell lines MCW-OV-SL-3 and A2780 cells as compared to MCW-OSE-1 normal cells (Figure 2D,E).