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Leslie TK, James AD, Zaccagna F, Grist JT, Deen S, Kennerley A, Riemer F, Kaggie JD, Gallagher FA, Gilbert FJ, Brackenbury WJ. Sodium homeostasis in the tumour microenvironment. Biochim Biophys Acta Rev Cancer 2019; 1872:188304. [PMID: 31348974 PMCID: PMC7115894 DOI: 10.1016/j.bbcan.2019.07.001] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 07/11/2019] [Accepted: 07/12/2019] [Indexed: 12/17/2022]
Abstract
The concentration of sodium ions (Na+) is raised in solid tumours and can be measured at the cellular, tissue and patient levels. At the cellular level, the Na+ gradient across the membrane powers the transport of H+ ions and essential nutrients for normal activity. The maintenance of the Na+ gradient requires a large proportion of the cell's ATP. Na+ is a major contributor to the osmolarity of the tumour microenvironment, which affects cell volume and metabolism as well as immune function. Here, we review evidence indicating that Na+ handling is altered in tumours, explore our current understanding of the mechanisms that may underlie these alterations and consider the potential consequences for cancer progression. Dysregulated Na+ balance in tumours may open opportunities for new imaging biomarkers and re-purposing of drugs for treatment.
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Affiliation(s)
- Theresa K Leslie
- Department of Biology, University of York, Heslington, York YO10 5DD, UK; York Biomedical Research Institute, University of York, Heslington, York YO10 5DD, UK
| | - Andrew D James
- Department of Biology, University of York, Heslington, York YO10 5DD, UK; York Biomedical Research Institute, University of York, Heslington, York YO10 5DD, UK
| | - Fulvio Zaccagna
- Department of Radiology, University of Cambridge, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - James T Grist
- Department of Radiology, University of Cambridge, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Surrin Deen
- Department of Radiology, University of Cambridge, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Aneurin Kennerley
- York Biomedical Research Institute, University of York, Heslington, York YO10 5DD, UK; Department of Chemistry, University of York, Heslington, York YO10 5DD, UK
| | - Frank Riemer
- Department of Radiology, University of Cambridge, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Joshua D Kaggie
- Department of Radiology, University of Cambridge, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Ferdia A Gallagher
- Department of Radiology, University of Cambridge, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - Fiona J Gilbert
- Department of Radiology, University of Cambridge, Cambridge Biomedical Campus, Cambridge CB2 0QQ, UK
| | - William J Brackenbury
- Department of Biology, University of York, Heslington, York YO10 5DD, UK; York Biomedical Research Institute, University of York, Heslington, York YO10 5DD, UK.
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Hubaux R, Vandermeers F, Cosse JP, Crisanti C, Kapoor V, Albelda SM, Mascaux C, Delvenne P, Hubert P, Willems L. Valproic acid improves second-line regimen of small cell lung carcinoma in preclinical models. ERJ Open Res 2015; 1:00028-2015. [PMID: 27730151 PMCID: PMC5005116 DOI: 10.1183/23120541.00028-2015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Accepted: 08/24/2015] [Indexed: 11/21/2022] Open
Abstract
With 5-year survival rates below 5%, small cell lung carcinoma (SCLC) has very poor prognosis and requires improved therapies. Despite an excellent overall response to first-line therapy, relapses are frequent and further treatments are disappointing. The goal of the study was to improve second-line therapy of SCLC. The effect of chemotherapeutic agents was evaluated in cell lines (apoptosis, reactive oxygen species, and RNA and protein expression) and in mouse models (tumour development). We demonstrate here that valproic acid, a histone deacetylase inhibitor, improves the efficacy of a second-line regimen (vindesine, doxorubicin and cyclophosphamide) in SCLC cells and in mouse models. Transcriptomic profiling integrating microRNA and mRNA data identifies key signalling pathways in the response of SCLC cells to valproic acid, opening new prospects for improved therapies. Valproic acid improves second-line regimen of SCLC response in preclinical modelshttp://ow.ly/Rsyd8
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Affiliation(s)
- Roland Hubaux
- Molecular Biology (GxABT), University of Liege (ULg), Gembloux, Belgium; Molecular and Cellular Epigenetics (GIGA), ULg, Liege, Belgium; Interdisciplinary Cluster for Applied Genoproteomics (GIGA), ULg, Liege, Belgium; Pulmonary, Allergy and Critical Care Division, University of Pennsylvania, School of Medicine, Philadelphia, PA, USA
| | - Fabian Vandermeers
- Molecular Biology (GxABT), University of Liege (ULg), Gembloux, Belgium; Molecular and Cellular Epigenetics (GIGA), ULg, Liege, Belgium; Interdisciplinary Cluster for Applied Genoproteomics (GIGA), ULg, Liege, Belgium; Pulmonary, Allergy and Critical Care Division, University of Pennsylvania, School of Medicine, Philadelphia, PA, USA
| | - Jean-Philippe Cosse
- Molecular Biology (GxABT), University of Liege (ULg), Gembloux, Belgium; Molecular and Cellular Epigenetics (GIGA), ULg, Liege, Belgium
| | - Cecilia Crisanti
- Pulmonary, Allergy and Critical Care Division, University of Pennsylvania, School of Medicine, Philadelphia, PA, USA
| | - Veena Kapoor
- Pulmonary, Allergy and Critical Care Division, University of Pennsylvania, School of Medicine, Philadelphia, PA, USA
| | - Steven M Albelda
- Pulmonary, Allergy and Critical Care Division, University of Pennsylvania, School of Medicine, Philadelphia, PA, USA
| | - Céline Mascaux
- Department of Multidisciplinary Oncology and Therapeutic Innovations, Aix Marseille University, Marseille, France
| | | | - Pascale Hubert
- Experimental Pathology, GIGA-Cancer, ULg, Liège, Belgium
| | - Luc Willems
- Molecular Biology (GxABT), University of Liege (ULg), Gembloux, Belgium; Molecular and Cellular Epigenetics (GIGA), ULg, Liege, Belgium; Interdisciplinary Cluster for Applied Genoproteomics (GIGA), ULg, Liege, Belgium
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