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Zakharia K, Miyabe K, Wang Y, Wu D, Moser CD, Borad MJ, Roberts LR. Preclinical In Vitro and In Vivo Evidence of an Antitumor Effect of CX-4945, a Casein Kinase II Inhibitor, in Cholangiocarcinoma. Transl Oncol 2018; 12:143-153. [PMID: 30316146 PMCID: PMC6187100 DOI: 10.1016/j.tranon.2018.09.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 09/08/2018] [Accepted: 09/08/2018] [Indexed: 01/22/2023] Open
Abstract
PURPOSE: We investigated the antitumor effect of the casein kinase II (CK2) inhibitor CX-4945 on cholangiocarcinoma (CCA). METHODS: We assessed the effect of CX-4945 alone and/or in combination with gemcitabine and cisplatin on cell viability, colony formation, and apoptosis of CCA cell lines and on in vivo growth of HuCCT1 xenografts. RESULTS: CX-4945 dose-dependently decreased viability of HuCCT1, EGI-1, and Liv27 and decreased phospho-AKT/total AKT and phospho-PTEN/total PTEN ratios. CX-4945 significantly increased caspase 3/7 activity in a dose- and time-dependent manner. CX-4945 significantly enhanced the effect of gemcitabine or cisplatin on HuCCT1, EGI-1, and Liv27 cells and inhibited the phosphorylation of DNA repairing enzymes XRCC1 and MDC1. Further, CX-4945 alone significantly inhibited growth of HuCCT1 mouse xenograft tumors. Combining CX-4945 with gemcitabine and cisplatin was more potent than CX-4945 alone or gemcitabine/cisplatin. The effect of CX-4945 on cell proliferation, apoptosis, the PI3K/AKT pathway, and DNA repair was confirmed in the mouse xenografts. CONCLUSION: CX-4945 has an antiproliferative effect on CCA and enhances the effect of gemcitabine and cisplatin through its inhibitory effect on the PI3K/AKT pathway and DNA repair.
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Affiliation(s)
- Kais Zakharia
- Internal Medicine Residency Program, Department of Medical Education, Beaumont Health - Dearborn, Oakwood Campus, Dearborn, MI, USA; Division of Gastroenterology and Hepatology, University of Iowa, Iowa City, IA, USA; Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Katsuyuki Miyabe
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Yu Wang
- Department of Hepatobiliary Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Dehai Wu
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Catherine D Moser
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Mitesh J Borad
- Division of Hematology, Division of Oncology, Mayo Clinic, Scottsdale, AZ, USA
| | - Lewis R Roberts
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA.
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Chua MMJ, Ortega CE, Sheikh A, Lee M, Abdul-Rassoul H, Hartshorn KL, Dominguez I. CK2 in Cancer: Cellular and Biochemical Mechanisms and Potential Therapeutic Target. Pharmaceuticals (Basel) 2017; 10:E18. [PMID: 28134850 PMCID: PMC5374422 DOI: 10.3390/ph10010018] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 01/23/2017] [Accepted: 01/23/2017] [Indexed: 01/09/2023] Open
Abstract
CK2 genes are overexpressed in many human cancers, and most often overexpression is associated with worse prognosis. Site-specific expression in mice leads to cancer development (e.g., breast, lymphoma) indicating the oncogenic nature of CK2. CK2 is involved in many key aspects of cancer including inhibition of apoptosis, modulation of signaling pathways, DNA damage response, and cell cycle regulation. A number of CK2 inhibitors are now available and have been shown to have activity against various cancers in vitro and in pre-clinical models. Some of these inhibitors are now undergoing exploration in clinical trials as well. In this review, we will examine some of the major cancers in which CK2 inhibition has promise based on in vitro and pre-clinical studies, the proposed cellular and signaling mechanisms of anti-cancer activity by CK2 inhibitors, and the current or recent clinical trials using CK2 inhibitors.
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Affiliation(s)
- Melissa M J Chua
- Department of Medicine, School of Medicine, Boston University, Boston, MA 02118, USA.
| | - Charina E Ortega
- Department of Medicine, School of Medicine, Boston University, Boston, MA 02118, USA.
| | - Ayesha Sheikh
- Department of Medicine, School of Medicine, Boston University, Boston, MA 02118, USA.
| | - Migi Lee
- Department of Medicine, School of Medicine, Boston University, Boston, MA 02118, USA.
| | - Hussein Abdul-Rassoul
- Department of Medicine, School of Medicine, Boston University, Boston, MA 02118, USA.
| | - Kevan L Hartshorn
- Department of Medicine, School of Medicine, Boston University, Boston, MA 02118, USA.
| | - Isabel Dominguez
- Department of Medicine, School of Medicine, Boston University, Boston, MA 02118, USA.
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