HSPA9 and ovarian cancer: To demonstrate the oncogenic role of mortalin in ovarian cancer cell lines, we performed Western blot and real‐time PCR analyses to measure mortalin expression in eight human ovarian cancer cell lines (ES‐2, SKOV‐3, A2780/cis, PM‐8910, HO‐8910, COC1, CAOV‐3 and OV‐90).