Journal
GYNECOLOGIC ONCOLOGY
Volume 159, Issue 1, Pages 277-284Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygyno.2020.07.005
Keywords
Ovarian cancer; Histone deacetylase inhibitor; Glycogen synthase kinase 3 beta inhibitor; Chemotherapy resistance; HDAC; GSK3B
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Funding
- National Cancer Institute (NCI) [R01CA208753]
- Office of the Assistant Secretary of Defense forHealth Affairs through the Ovarian Cancer Research Program [W81XWH-17-1-0144, W81XWH-16-1-0190]
- Ovarian Cancer Research Alliance Program Project Grant
- NCI [R41CA235842-01A1, P01CA233452-01]
- Samuel Oschin Comprehensive Cancer Institute Developmental Funds for Liver Metastasis Team Grant Research Award
- Luke Wu-Jei Chang Discovery Fund
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Objective. To investigate the anti-tumor effect of a newly-developed dual inhibitor (APCS-540) of glycogen synthase kinase 3 beta (GSK3B) and histone deacetylases (HDACs) in ovarian cancer cells. Methods. The effects of APCS-540 on cancer cell proliferation, migration, invasion and cancer sternness were investigated in vitro in human (KURAMOCHI, OVCA420, OVSAHO) and mouse (BR-Luc, 1D8, MOSE-HRas-Myc) ovarian cancer cells. Cisplatin-sensitive (A2780) and cisplatin-resistant (A2780cis) cell lines were used to evaluate APCS-540's effect on chemoresistance. The immunocompetent syngeneic mouse model BR-Luc was used to test the effect of APCS-540 on ovarian cancer progression and survival. Results. APCS-540 showed significant anti-tumor effects in vitro in both human and mouse ovarian cancer cells. Importantly, APCS-540 demonstrated marked cytotoxicity against cisplatin-resistant cancer cells and reversed cisplatin-resistance when used in combination with platinum. APCS-540 significantly decreased cancer cell invasion. A significant 66% increase in survival was observed in mice treated with APCS-540 compared to control mice. Conclusion. Dual inhibition of GSK3B and HDACs via APCS-540 showed potent anti-tumor activity in vitro and in vivo. suggesting that APCS-540 may provide a novel treatment option for ovarian cancer, including the platinum-resistant disease. (C) 2020 The Authors. Published by Elsevier Inc.
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