blockage of IRE1α with STF-083010 (50 μM) and its effect on ER stress-associated apoptotic factors (XBP1, sXBP1, BIP, Bim, CHOP, p-PERK, PERK, ATF4, p-PP2A) in ovarian malignancy cells (OVCAR3, SKOV3) using Western blot assay. Beta-actin was used as normalization