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Dewdney B, Ursich L, Fletcher EV, Johns TG. Anoctamins and Calcium Signalling: An Obstacle to EGFR Targeted Therapy in Glioblastoma? Cancers (Basel) 2022; 14:cancers14235932. [PMID: 36497413 PMCID: PMC9740065 DOI: 10.3390/cancers14235932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 11/28/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022] Open
Abstract
Glioblastoma is the most common form of high-grade glioma in adults and has a poor survival rate with very limited treatment options. There have been no significant advancements in glioblastoma treatment in over 30 years. Epidermal growth factor receptor is upregulated in most glioblastoma tumours and, therefore, has been a drug target in recent targeted therapy clinical trials. However, while many inhibitors and antibodies for epidermal growth factor receptor have demonstrated promising anti-tumour effects in preclinical models, they have failed to improve outcomes for glioblastoma patients in clinical trials. This is likely due to the highly plastic nature of glioblastoma tumours, which results in therapeutic resistance. Ion channels are instrumental in the development of many cancers and may regulate cellular plasticity in glioblastoma. This review will explore the potential involvement of a class of calcium-activated chloride channels called anoctamins in brain cancer. We will also discuss the integrated role of calcium channels and anoctamins in regulating calcium-mediated signalling pathways, such as epidermal growth factor signalling, to promote brain cancer cell growth and migration.
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Affiliation(s)
- Brittany Dewdney
- Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia
- Centre for Child Health Research, University of Western Australia, Perth, WA 6009, Australia
- Correspondence: ; Tel.: +61-8-6319-1023
| | - Lauren Ursich
- Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia
- School of Biomedical Sciences, University of Western Australia, Perth, WA 6009, Australia
| | - Emily V. Fletcher
- Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia
- Centre for Child Health Research, University of Western Australia, Perth, WA 6009, Australia
| | - Terrance G. Johns
- Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia
- Centre for Child Health Research, University of Western Australia, Perth, WA 6009, Australia
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Chang Y, Funk M, Roy S, Stephenson E, Choi S, Kojouharov HV, Chen B, Pan Z. Developing a Mathematical Model of Intracellular Calcium Dynamics for Evaluating Combined Anticancer Effects of Afatinib and RP4010 in Esophageal Cancer. Int J Mol Sci 2022; 23:1763. [PMID: 35163685 PMCID: PMC8836083 DOI: 10.3390/ijms23031763] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 01/23/2022] [Accepted: 01/25/2022] [Indexed: 01/27/2023] Open
Abstract
Targeting dysregulated Ca2+ signaling in cancer cells is an emerging chemotherapy approach. We previously reported that store-operated Ca2+ entry (SOCE) blockers, such as RP4010, are promising antitumor drugs for esophageal cancer. As a tyrosine kinase inhibitor (TKI), afatinib received FDA approval to be used in targeted therapy for patients with EGFR mutation-positive cancers. While preclinical studies and clinical trials have shown that afatinib has benefits for esophageal cancer patients, it is not known whether a combination of afatinib and RP4010 could achieve better anticancer effects. Since TKI can alter intracellular Ca2+ dynamics through EGFR/phospholipase C-γ pathway, in this study, we evaluated the inhibitory effect of afatinib and RP4010 on intracellular Ca2+ oscillations in KYSE-150, a human esophageal squamous cell carcinoma cell line, using both experimental and mathematical simulations. Our mathematical simulation of Ca2+ oscillations could fit well with experimental data responding to afatinib or RP4010, both separately or in combination. Guided by simulation, we were able to identify a proper ratio of afatinib and RP4010 for combined treatment, and such a combination presented synergistic anticancer-effect evidence by experimental measurement of intracellular Ca2+ and cell proliferation. This intracellular Ca2+ dynamic-based mathematical simulation approach could be useful for a rapid and cost-effective evaluation of combined targeting therapy drugs.
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Affiliation(s)
- Yan Chang
- College of Nursing and Health Innovation, The University of Texas at Arlington, Arlington, TX 76019, USA; (Y.C.); (S.C.)
| | - Marah Funk
- Department of Mathematics, The University of Texas at Arlington, Arlington, TX 76019, USA; (M.F.); (S.R.); (E.S.); (B.C.)
| | - Souvik Roy
- Department of Mathematics, The University of Texas at Arlington, Arlington, TX 76019, USA; (M.F.); (S.R.); (E.S.); (B.C.)
| | - Elizabeth Stephenson
- Department of Mathematics, The University of Texas at Arlington, Arlington, TX 76019, USA; (M.F.); (S.R.); (E.S.); (B.C.)
- Institute of Science and Technology Austria, Am Campus 1, 3400 Klosterneuburg, Austria
| | - Sangyong Choi
- College of Nursing and Health Innovation, The University of Texas at Arlington, Arlington, TX 76019, USA; (Y.C.); (S.C.)
- Department of Nutritional Sciences, University of Connecticut, Mansfield, CT 06269, USA
| | - Hristo V. Kojouharov
- Department of Mathematics, The University of Texas at Arlington, Arlington, TX 76019, USA; (M.F.); (S.R.); (E.S.); (B.C.)
| | - Benito Chen
- Department of Mathematics, The University of Texas at Arlington, Arlington, TX 76019, USA; (M.F.); (S.R.); (E.S.); (B.C.)
| | - Zui Pan
- College of Nursing and Health Innovation, The University of Texas at Arlington, Arlington, TX 76019, USA; (Y.C.); (S.C.)
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Wang L, Xu T, Yang X, Liang Z, Zhang J, Li D, Chen Y, Ma G, Wang Y, Liang Y, Niu H. Immunosuppression Induced by Glutamine Deprivation Occurs via Activating PD-L1 Transcription in Bladder Cancer. Front Mol Biosci 2021; 8:687305. [PMID: 34805266 PMCID: PMC8602840 DOI: 10.3389/fmolb.2021.687305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 10/22/2021] [Indexed: 12/24/2022] Open
Abstract
Few studies have reported whether nutrients in the tumor microenvironment can regulate the expression of PD-L1. Since tumor cells are often situated in a low-glutamine environment, we investigated PD-L1 expression under glutamine deprivation in bladder cancer cells. PD-L1 expression and the activation of the EGFR/MEK/ERK/c-Jun signaling pathway under glutamine deprivation were investigated by qPCR, Western blot, and immunofluorescence analyses. C-Jun-mediated transcriptional regulation of the PD-L1 gene was assessed by ChIP. PD-L1 expression and activation of the EGFR/MEK/ERK/c-Jun signaling pathway were assessed in T24 cells, TCCSUP cells and BALB/c mice with or without glutamine supplementation. Additionally, the impact of PD-L1 expression under glutamine deprivation on the function of T cells was investigated by ELISA. The expression of PD-L1 and EGFR/MEK/ERK/c-Jun pathway activation were elevated by glutamine deprivation, and c-Jun was enriched in the enhancer region of PD-L1. The expression of PD-L1 was considerably impaired by inhibiting the EGFR/MEK/ERK/c-Jun pathway and was elevated by activating this signaling pathway. In addition, the elevated PD-L1 expression and MEK/ERK/c-Jun signaling pathway activation were reduced by glutamine supplementation in vitro and in vivo. PD-L1 upregulation by glutamine deprivation in bladder cancer cells could reduce IFN-γ production by T cells. The expression of PD-L1 was upregulated under glutamine deprivation through the EGFR/MEK/ERK/c-Jun pathway to impair T cell function.
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Affiliation(s)
- Liping Wang
- Key Laboratory, Department of Urology and Andrology, Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ting Xu
- Department of Geratology, The 971th Hospital of PLA Navy, Qingdao, China
| | - Xuecheng Yang
- Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zhijuan Liang
- Key Laboratory, Department of Urology and Andrology, Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jisheng Zhang
- Department of Otolaryngology-Head and Neck Surgery, Key Laboratory, Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Dan Li
- Key Laboratory, Department of Urology and Andrology, Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yuanbin Chen
- Key Laboratory, Department of Urology and Andrology, Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Guofeng Ma
- Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yonghua Wang
- Key Laboratory, Department of Urology and Andrology, Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China.,Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ye Liang
- Key Laboratory, Department of Urology and Andrology, Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Haitao Niu
- Key Laboratory, Department of Urology and Andrology, Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China.,Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, China
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Zhang L, Bing S, Dong M, Lu X, Xiong Y. Targeting ion channels for the treatment of lung cancer. Biochim Biophys Acta Rev Cancer 2021; 1876:188629. [PMID: 34610420 DOI: 10.1016/j.bbcan.2021.188629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/02/2021] [Accepted: 09/19/2021] [Indexed: 02/06/2023]
Abstract
Lung cancer is caused by several environmental and genetic variables and is globally associated with elevated morbidity and mortality. Among these variables, membrane-bound ion channels have a key role in regulating multiple signaling pathways in tumor cells and dysregulation of ion channel expression and function is closely related to proliferation, migration, and metastasis of lung cancer. This work reviews and summarizes current knowledge about the role of ion channels in lung cancer, focusing on the changes in the expression and function of various ion channels in lung cancer and how these changes affect lung cancer cell biology both in vitro and in vivo as evidenced by both genetic and pharmacological studies. It can help understand the molecular mechanisms of various ion channels influencing the initiation and progression of lung cancer and shed new insights into their roles in the development and treatment of this deadly disease.
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Affiliation(s)
- Liqin Zhang
- The First Affiliated Hospital of Wannan Medical College,Yijishan Hospital,2 Zheshan West Road, Wuhu 241000,China.
| | - Shuya Bing
- The First Affiliated Hospital of Wannan Medical College,Yijishan Hospital,2 Zheshan West Road, Wuhu 241000,China
| | - Mo Dong
- The First Affiliated Hospital of Wannan Medical College,Yijishan Hospital,2 Zheshan West Road, Wuhu 241000,China
| | - Xiaoqiu Lu
- The First Affiliated Hospital of Wannan Medical College,Yijishan Hospital,2 Zheshan West Road, Wuhu 241000,China
| | - Yuancheng Xiong
- The First Affiliated Hospital of Wannan Medical College,Yijishan Hospital,2 Zheshan West Road, Wuhu 241000,China
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