Western blot analyses (Fig. 3C) demonstrated that both Cyclin‐D1 and C‐myc expression increased in mortalin‐overexpressing ovarian cancer cells (A2780‐O2 and A2780‐O8) compared with A2780‐AC, whereas Cyclin‐B1 levels decreased. This evidence concerns the gene HSPA9 and ovarian carcinoma.