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Lopez-Charcas O, Benouna O, Lemoine R, Rosendo-Pineda MJ, Anguheven-Ledezma TG, Sandoval-Vazquez L, Gallegos-Gomez ML, Robles-Martinez L, Herrera-Carrillo Z, Ramírez-Aragón M, Alfaro A, Chadet S, Ferro F, Besson P, Jiang LH, Velu SE, Guerrero-Hernandez A, Roger S, Gomora JC. Blockade of Ca V3 calcium channels and induction of G 0/G 1 cell cycle arrest in colon cancer cells by gossypol. Br J Pharmacol 2024. [PMID: 39081110 DOI: 10.1111/bph.16497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 05/29/2024] [Accepted: 06/04/2024] [Indexed: 08/30/2024] Open
Abstract
BACKGROUND AND PURPOSE Gastrointestinal tumours overexpress voltage-gated calcium (CaV3) channels (CaV3.1, 3.2 and 3.3). CaV3 channels regulate cell growth and apoptosis colorectal cancer. Gossypol, a polyphenolic aldehyde found in the cotton plant, has anti-tumour properties and inhibits CaV3 currents. A systematic study was performed on gossypol blocking mechanism on CaV3 channels and its potential anticancer effects in colon cancer cells, which express CaV3 isoforms. EXPERIMENTAL APPROACH Transcripts for CaV3 proteins were analysed in gastrointestinal cancers using public repositories and in human colorectal cancer cell lines HCT116, SW480 and SW620. The gossypol blocking mechanism on CaV3 channels was investigated by combining heterologous expression systems and patch-clamp experiments. The anti-tumoural properties of gossypol were estimated by cell proliferation, viability and cell cycle assays. Ca2+ dynamics were evaluated with cytosolic and endoplasmic reticulum (ER) Ca2+ indicators. KEY RESULTS High levels of CaV3 transcripts correlate with poor prognosis in gastrointestinal cancers. Gossypol blockade of CaV3 isoforms is concentration- and use-dependent interacting with the closed, activated and inactivated conformations of CaV3 channels. Gossypol and CaV3 channels down-regulation inhibit colorectal cancer cell proliferation by arresting cell cycles at the G0/G1 and G2/M phases, respectively. CaV3 channels underlie the vectorial Ca2+ uptake by endoplasmic reticulum in colorectal cancer cells. CONCLUSION AND IMPLICATIONS Gossypol differentially blocked CaV3 channel and its anticancer activity was correlated with high levels of CaV3.1 and CaV3.2 in colorectal cancer cells. The CaV3 regulates cell proliferation and Ca2+ dynamics in colorectal cancer cells. Understanding this blocking mechanism maybe improve cancer therapies.
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Grants
- SPF201909009198 Fondation pour la Recherche Médicale (FRM), France
- BB/C517317/1 Biotechnology and Biological Sciences Research Council, UK
- G2022026006L National High-End Foreign Expert Recruitment Plan of China, China
- pre-R01grant O'Neal Comprehensive Cancer Center, USA
- CVU1148606 Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico
- PrixRubanRoseAvenir Le Cancer du sein, parlons-en, France
- 16IRTSTHN020 Department of Education of the Henan Province, China
- Ministère de la Recherche et des Technologies, France
- A1-S-19171 Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico
- Université de Tours, France
- IN209820 PAPIIT-DGAPA-UNAM, Mexico
- NavMetarget Conseil Régional du Centre-Val de Loire, France
- 1R21CA226491 National Institutes of Health (NIH), USA
- 099758/Z/12/Z Wellcome Trust, UK
- CanalEx Conseil Régional du Centre-Val de Loire, France
- I1200/320/2022 CVU 369878 Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico
- Ligue Nationale Contre le Cancer, Interrégion Grand-Ouest: comités 29, 36, 86 and 37, France
- 2016PN-KFKT-06 Disciplinary Group of Psychology and Neuroscience, Xinxiang Medical University, China
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Affiliation(s)
- Osbaldo Lopez-Charcas
- Departamento de Neuropatología Molecular, División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Oumnia Benouna
- Université de Tours, Inserm U1327 ISCHEMIA 'Membrane Signalling and Inflammation in Reperfusion Injuries', Tours, France
| | - Roxane Lemoine
- Université de Tours, Inserm U1327 ISCHEMIA 'Membrane Signalling and Inflammation in Reperfusion Injuries', Tours, France
| | - Margarita Jacaranda Rosendo-Pineda
- Departamento de Neuropatología Molecular, División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Tonantzin Guadalupe Anguheven-Ledezma
- Departamento de Neuropatología Molecular, División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | | | | | - Leticia Robles-Martinez
- Departamento de Neuropatología Molecular, División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Zazil Herrera-Carrillo
- Departamento de Neuropatología Molecular, División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Centro de Investigación en Ciencias de la Salud (CICSA), Universidad Anáhuac, Mexico City, Mexico
| | - Miguel Ramírez-Aragón
- Departamento de Neuropatología Molecular, División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Ana Alfaro
- Servicio de Anatomía Patológica, Hospital General de México 'Dr. Eduardo Liceaga', Mexico City, Mexico
| | - Stéphanie Chadet
- Université de Tours, Inserm U1327 ISCHEMIA 'Membrane Signalling and Inflammation in Reperfusion Injuries', Tours, France
| | - Fabio Ferro
- Université de Tours, Inserm U1327 ISCHEMIA 'Membrane Signalling and Inflammation in Reperfusion Injuries', Tours, France
| | - Pierre Besson
- Université de Tours, Inserm U1327 ISCHEMIA 'Membrane Signalling and Inflammation in Reperfusion Injuries', Tours, France
| | - Lin-Hua Jiang
- Université de Tours, Inserm U1327 ISCHEMIA 'Membrane Signalling and Inflammation in Reperfusion Injuries', Tours, France
- Department of Physiology and Pathophysiology and Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Xinxiang Medical University, Xinxiang, China
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK
| | - Sadanandan E Velu
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama, USA
- O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | | | - Sébastien Roger
- Université de Tours, Inserm U1327 ISCHEMIA 'Membrane Signalling and Inflammation in Reperfusion Injuries', Tours, France
| | - Juan Carlos Gomora
- Departamento de Neuropatología Molecular, División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
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2
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Liu H, Weng J, Huang CLH, Jackson AP. Voltage-gated sodium channels in cancers. Biomark Res 2024; 12:70. [PMID: 39060933 PMCID: PMC11282680 DOI: 10.1186/s40364-024-00620-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Voltage-gated sodium channels (VGSCs) initiate action potentials in electrically excitable cells and tissues. Surprisingly, some VGSC genes are aberrantly expressed in a variety of cancers, derived from "non-excitable" tissues that do not generate classic action potentials, showing potential as a promising pharmacological target for cancer. Most of the previous review articles on this topic are limited in scope, and largely unable to provide researchers with a comprehensive understanding of the role of VGSC in cancers. Here, we review the expression patterns of all nine VGSC α-subunit genes (SCN1A-11A) and their four regulatory β-subunit genes (SCN1B-4B). We reviewed data from the Cancer Genome Atlas (TCGA) database, complemented by an extensive search of the published papers. We summarized and reviewed previous independent studies and analyzed the VGSC genes in the TCGA database regarding the potential impact of VGSC on cancers. A comparison between evidence gathered from independent studies and data review was performed to scrutinize potential biases in prior research and provide insights into future research directions. The review supports the view that VGSCs play an important role in diagnostics as well as therapeutics of some cancer types, such as breast, colon, prostate, and lung cancer. This paper provides an overview of the current knowledge on voltage-gated sodium channels in cancer, as well as potential avenues for further research. While further research is required to fully understand the role of VGSCs in cancer, the potential of VGSCs for clinical diagnosis and treatment is promising.
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Affiliation(s)
- Hengrui Liu
- Department of Biochemistry, Hopkins Building, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QW, UK.
| | - Jieling Weng
- Department of Pathology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Christopher L-H Huang
- Department of Biochemistry, Hopkins Building, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QW, UK
- Physiological Laboratory, University of Cambridge, Downing Street, Cambridge, CB2 3EG, UK
| | - Antony P Jackson
- Department of Biochemistry, Hopkins Building, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QW, UK.
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3
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Pukkanasut P, Jaskula-Sztul R, Gomora JC, Velu SE. Therapeutic targeting of voltage-gated sodium channel Na V1.7 for cancer metastasis. Front Pharmacol 2024; 15:1416705. [PMID: 39045054 PMCID: PMC11263763 DOI: 10.3389/fphar.2024.1416705] [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: 04/12/2024] [Accepted: 06/12/2024] [Indexed: 07/25/2024] Open
Abstract
This review focuses on the expression and function of voltage-gated sodium channel subtype NaV1.7 in various cancers and explores its impact on the metastasis driving cell functions such as proliferation, migration, and invasiveness. An overview of its structural characteristics, drug binding sites, inhibitors and their likely mechanisms of action are presented. Despite the lack of clarity on the precise mechanism by which NaV1.7 contributes to cancer progression and metastasis; many studies have suggested a connection between NaV1.7 and proteins involved in multiple signaling pathways such as PKA and EGF/EGFR-ERK1/2. Moreover, the functional activity of NaV1.7 appears to elevate the expression levels of MACC1 and NHE-1, which are controlled by p38 MAPK activity, HGF/c-MET signaling and c-Jun activity. This cascade potentially enhances the secretion of extracellular matrix proteases, such as MMPs which play critical roles in cell migration and invasion activities. Furthermore, the NaV1.7 activity may indirectly upregulate Rho GTPases Rac activity, which is critical for cytoskeleton reorganization, cell adhesion, and actin polymerization. The relationship between NaV1.7 and cancer progression has prompted researchers to investigate the therapeutic potential of targeting NaV1.7 using inhibitors. The positive outcome of such studies resulted in the discovery of several inhibitors with the ability to reduce cancer cell migration, invasion, and tumor growth underscoring the significance of NaV1.7 as a promising pharmacological target for attenuating cancer cell proliferation and metastasis. The research findings summarized in this review suggest that the regulation of NaV1.7 expression and function by small molecules and/or by genetic engineering is a viable approach to discover novel therapeutics for the prevention and treatment of metastasis of cancers with elevated NaV1.7 expression.
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Affiliation(s)
- Piyasuda Pukkanasut
- Department of Chemistry, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Renata Jaskula-Sztul
- Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL, United States
- O’Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Juan Carlos Gomora
- Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Sadanandan E. Velu
- Department of Chemistry, The University of Alabama at Birmingham, Birmingham, AL, United States
- O’Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, AL, United States
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4
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Bian Y, Tuo J, He L, Li W, Li S, Chu H, Zhao Y. Voltage-gated sodium channels in cancer and their specific inhibitors. Pathol Res Pract 2023; 251:154909. [PMID: 37939447 DOI: 10.1016/j.prp.2023.154909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
Voltage-gated sodium channels (VGSCs) participate in generating and spreading action potentials in electrically excited cells such as neurons and muscle fibers. Abnormal expression of VGSCs has been observed in various types of tumors, while they are either not expressed or expressed at a low level in the matching normal tissue. Hence, this abnormal expression suggests that VGSCs confer some advantage or viability on tumor cells, making them a valuable indicator for identifying tumor cells. In addition, overexpression of VGSCs increased the ability of cancer cells to metastasize and invade, as well as correlated with the metastatic behavior of different cancers. Therefore, blocking VGSCs presents a new strategy for the treatment of cancers. A portion of this review summarizes the structure and function of VGSCs and also describes the correlation between VGSCs and cancers. Most importantly, we provide an overview of current research on various subtype-selective VGSC inhibitors and updates on ongoing clinical studies.
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Affiliation(s)
- Yuan Bian
- School of Life Science and Bio-Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China
| | - Jiale Tuo
- School of Life Science and Bio-Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China
| | - Liangpeng He
- School of Life Science and Bio-Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China
| | - Wenwen Li
- School of Life Science and Bio-Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China
| | - Shangxiao Li
- School of Medical Devices, Shenyang Pharmaceutical University, Benxi, Liaoning 117004, PR China
| | - Huiying Chu
- Laboratory of Molecular Modeling and Design, State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Yongshan Zhao
- School of Life Science and Bio-Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, PR China.
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5
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Keleş D, Sipahi M, İnanç-Sürer Ş, Djamgoz MB, Oktay G. Tetracaine downregulates matrix metalloproteinase activity and inhibits invasiveness of strongly metastatic MDA-MB-231 human breast cancer cells. Chem Biol Interact 2023; 385:110730. [PMID: 37806380 DOI: 10.1016/j.cbi.2023.110730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 09/19/2023] [Accepted: 09/25/2023] [Indexed: 10/10/2023]
Abstract
Tetracaine, a long-acting amino ester-type local anesthetic, prevents the initiation and propagation of action potentials by reversibly blocking voltage-gated sodium channels (VGSCs). These channels, which are highly expressed in several carcinomas (e.g. breast, prostate, colon and lung cancers) have been implicated in promoting metastatic behaviours. Recent evidence suggests that local anesthetics can suppress cancer progression. In this paper, we aimed to explore whether tetracaine would reduce the invasive characteristics of breast cancer cells. In a comparative approach, we used two cell lines of contracting metastatic potential: MDA-MB-231 (strongly metastatic) and MCF-7 (weakly metastatic). Tetracaine (50 μM and 75 μM) did not affect the proliferation of both MDA-MB-231 and MCF-7 cells. Importantly, tetracaine suppressed the migratory, invasive, and adhesive capacities of MDA-MB-231 cells; there was no effect on the motility of MCF-7 cells. Tetracaine treatment also significantly decreased the expression and activity levels of MMP-2 and MMP-9, whilst increasing TIMP-2 expression in MDA-MB-231 cells. On the other hand, VGSC α/Nav1.5 and VGSC-β1 mRNA and protein expression levels were not affected. We conclude that tetracaine has anti-invasive effects on breast cancer cells and may be exploited clinically, for example, in surgery and/or in combination therapies.
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Affiliation(s)
- Didem Keleş
- Izmir University of Economics, Vocational School of Health Services, Medical Laboratory Techniques, 35330, Balcova, Izmir, Turkey; Dokuz Eylül University, School of Medicine, Department of Medical Biochemistry, 35340, Inciralti, Izmir, Turkey
| | - Murat Sipahi
- Dokuz Eylül University, School of Medicine, Department of Medical Biochemistry, 35340, Inciralti, Izmir, Turkey
| | - Şeniz İnanç-Sürer
- Dokuz Eylül University, School of Medicine, Department of Medical Biochemistry, 35340, Inciralti, Izmir, Turkey
| | - Mustafa Ba Djamgoz
- Imperial College London, Department of Life Sciences, South Kensington Campus, SW7 2AZ, London, UK; Biotechnology Research Centre, Cyprus International University, Haspolat, Nicosia, TRNC, Mersin 10, Turkey
| | - Gülgün Oktay
- Dokuz Eylül University, School of Medicine, Department of Medical Biochemistry, 35340, Inciralti, Izmir, Turkey.
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6
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Banderali U, Moreno M, Martina M. The elusive Na v1.7: From pain to cancer. CURRENT TOPICS IN MEMBRANES 2023; 92:47-69. [PMID: 38007269 DOI: 10.1016/bs.ctm.2023.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2023]
Abstract
Voltage-gated sodium channels (Nav) are protein complexes that play fundamental roles in the transmission of signals in the nervous system, at the neuromuscular junction and in the heart. They are mainly present in excitable cells where they are responsible for triggering action potentials. Dysfunctions in Nav ion conduction give rise to a wide range of conditions, including neurological disorders, hypertension, arrhythmia, pain and cancer. Nav family 1 is composed of nine members, named numerically from 1 to 9. A Nax family also exists and is involved in body-fluid homeostasis. Of particular interest is Nav1.7 which is highly expressed in the sensory neurons of the dorsal root ganglions, where it is involved in the propagation of pain sensation. Gain-of-function mutations in Nav1.7 cause pathologies associated with increased pain sensitivity, while loss-of-function mutations cause reduced sensitivity to pain. The last decade has seen considerable effort in developing highly specific Nav1.7 blockers as pain medications, nonetheless, sufficient efficacy has yet to be achieved. Evidence is now conclusively showing that Navs are also present in many types of cancer cells, where they are involved in cell migration and invasiveness. Nav1.7 is anomalously expressed in endometrial, ovarian and lung cancers. Nav1.7 is also involved in Chemotherapy Induced Peripheral Neuropathy (CIPN). We propose that the knowledge and tools developed to study the role of Nav1.7 in pain can be exploited to develop novel cancer therapies. In this chapter, we illustrate the various aspects of Nav1.7 function in pain, cancer and CIPN, and outline therapeutic approaches.
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Affiliation(s)
- Umberto Banderali
- Human Health Therapeutics Research Centre, National Research Council of Canada, Montreal road, Ottawa, ON, Canada.
| | - Maria Moreno
- Human Health Therapeutics Research Centre, National Research Council of Canada, Montreal road, Ottawa, ON, Canada
| | - Marzia Martina
- Human Health Therapeutics Research Centre, National Research Council of Canada, Montreal road, Ottawa, ON, Canada
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7
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Sanchez-Sandoval AL, Hernández-Plata E, Gomora JC. Voltage-gated sodium channels: from roles and mechanisms in the metastatic cell behavior to clinical potential as therapeutic targets. Front Pharmacol 2023; 14:1206136. [PMID: 37456756 PMCID: PMC10348687 DOI: 10.3389/fphar.2023.1206136] [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: 04/14/2023] [Accepted: 06/21/2023] [Indexed: 07/18/2023] Open
Abstract
During the second half of the last century, the prevalent knowledge recognized the voltage-gated sodium channels (VGSCs) as the proteins responsible for the generation and propagation of action potentials in excitable cells. However, over the last 25 years, new non-canonical roles of VGSCs in cancer hallmarks have been uncovered. Their dysregulated expression and activity have been associated with aggressive features and cancer progression towards metastatic stages, suggesting the potential use of VGSCs as cancer markers and prognostic factors. Recent work has elicited essential information about the signalling pathways modulated by these channels: coupling membrane activity to transcriptional regulation pathways, intracellular and extracellular pH regulation, invadopodia maturation, and proteolytic activity. In a promising scenario, the inhibition of VGSCs with FDA-approved drugs as well as with new synthetic compounds, reduces cancer cell invasion in vitro and cancer progression in vivo. The purpose of this review is to present an update regarding recent advances and ongoing efforts to have a better understanding of molecular and cellular mechanisms on the involvement of both pore-forming α and auxiliary β subunits of VGSCs in the metastatic processes, with the aim at proposing VGSCs as new oncological markers and targets for anticancer treatments.
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Affiliation(s)
- Ana Laura Sanchez-Sandoval
- Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Medicina Genómica, Hospital General de México “Dr Eduardo Liceaga”, Mexico City, Mexico
| | - Everardo Hernández-Plata
- Consejo Nacional de Humanidades, Ciencias y Tecnologías and Instituto Nacional de Medicina Genómica, Mexico City, Mexico
| | - Juan Carlos Gomora
- Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
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Chintala S, Dankoski MA, Anbarasu A, Ramaiah S, Miryala SK, Katzenellenbogen RA. NFX1-123: A potential therapeutic target in cervical cancer. J Med Virol 2023; 95:e28856. [PMID: 37288708 PMCID: PMC10264143 DOI: 10.1002/jmv.28856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/26/2023] [Accepted: 05/29/2023] [Indexed: 06/09/2023]
Abstract
NFX1-123 is a splice variant isoform of the NFX1 gene. It is highly expressed in cervical cancers caused by HPV, and NFX1-123 is a protein partner with the HPV oncoprotein E6. Together, NFX1-123 and E6 affect cellular growth, longevity, and differentiation. The expression status of NFX1-123 in cancers beyond cervical and head and neck cancers, and its potential as therapeutic target, have not been investigated. TSVdb of TCGA was used to quantify NFX1-123 expression in 24 cancers compared with normal tissues. The NFX1-123 protein structure was predicted and then submitted to retrieve suitable drug molecules. The top four compounds, found to bind in silico to NFX1-123, were tested experimentally to determine their effects on NFX1-123-related cellular growth, survival, and migration. 46% of cancers (11 of 24 had significant differences in NFX1-123 expression, with nine having had greater NFX1-123 expression, when compared with adjacent normal tissues. Bioinformatics and proteomic predictive analysis modeled the three-dimensional structure of NFX1-123, and drug libraries were screened for high-binding affinity compounds using this modeled structure. Seventeen drugs with binding energies ranging from -1.3 to -10 Kcal/mol were identified. The top four compounds were used to treat HPV- and HPV+ cervical cancer cell lines, three of which (Ropitoin, R428 and Ketoconazole) reduced NFX1-123 protein levels, inhibited cellular growth, survival, and migration, and enhanced the cytotoxicity of Cisplatin. These findings highlight cancers expressing high levels of NFX1-123, and drugs that target it, may reduce cellular growth, survival, and migration, making NFX1-123 a potential novel therapeutic target.
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Affiliation(s)
- Sreenivasulu Chintala
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202 USA
| | - Maura A. Dankoski
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN 46202 USA
| | - Anand Anbarasu
- School of Bio-Sciences & Technology, Vellore Institute of Technology, Vellore 632014, INDIA
| | - Sudha Ramaiah
- School of Bio-Sciences & Technology, Vellore Institute of Technology, Vellore 632014, INDIA
| | - Sravan Kumar Miryala
- School of Bio-Sciences & Technology, Vellore Institute of Technology, Vellore 632014, INDIA
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Ramírez A, Ogonaga-Borja I, Acosta B, Chiliquinga AJ, de la Garza J, Gariglio P, Ocádiz-Delgado R, Bañuelos C, Camacho J. Ion Channels and Personalized Medicine in Gynecological Cancers. Pharmaceuticals (Basel) 2023; 16:800. [PMID: 37375748 DOI: 10.3390/ph16060800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 05/22/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
Targeted therapy against cancer plays a key role in delivering safer and more efficient treatments. In the last decades, ion channels have been studied for their participation in oncogenic processes because their aberrant expression and/or function have been associated with different types of malignancies, including ovarian, cervical, and endometrial cancer. The altered expression or function of several ion channels have been associated with tumor aggressiveness, increased proliferation, migration, invasion, and metastasis of cancer cells and with poor prognosis in gynecological cancer patients. Most ion channels are integral membrane proteins easily accessible by drugs. Interestingly, a plethora of ion channel blockers have demonstrated anticancer activity. Consequently, some ion channels have been proposed as oncogenes, cancer, and prognostic biomarkers, as well as therapeutic targets in gynecological cancers. Here, we review the association of ion channels with the properties of cancer cells in these tumors, which makes them very promising candidates to be exploited in personalized medicine. The detailed analysis of the expression pattern and function of ion channels could help to improve the clinical outcomes in gynecological cancer patients.
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Affiliation(s)
- Ana Ramírez
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418, Parque Industrial Internacional, Tijuana 22390, Mexico
| | - Ingrid Ogonaga-Borja
- Grupo de Investigación de Ciencias en Red, Universidad Técnica del Norte, Av. 17 de Julio 5-21, Ibarra 100105, Ecuador
- Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. Instituto Politécnico Nacional 2508, Ciudad de Mexico 07360, Mexico
| | - Brenda Acosta
- Grupo de Investigación de Ciencias en Red, Universidad Técnica del Norte, Av. 17 de Julio 5-21, Ibarra 100105, Ecuador
- Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. Instituto Politécnico Nacional 2508, Ciudad de Mexico 07360, Mexico
| | - Andrea Jazmín Chiliquinga
- Grupo de Investigación de Ciencias en Red, Universidad Técnica del Norte, Av. 17 de Julio 5-21, Ibarra 100105, Ecuador
| | - Jaime de la Garza
- Unidad de Oncología Torácica y Laboratorio de Medicina Personalizada, Instituto Nacional de Cancerología (INCan), San Fernando No. 22, Tlalpan, Ciudad de Mexico14080, Mexico
| | - Patricio Gariglio
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. Instituto Politécnico Nacional 2508, Ciudad de Mexico 07360, Mexico
| | - Rodolfo Ocádiz-Delgado
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. Instituto Politécnico Nacional 2508, Ciudad de Mexico 07360, Mexico
| | - Cecilia Bañuelos
- Programa Transdisciplinario en Desarrollo Científico y Tecnológico para la Sociedad, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. Instituto Politécnico Nacional 2508, Ciudad de Mexico 07360, Mexico
| | - Javier Camacho
- Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. Instituto Politécnico Nacional 2508, Ciudad de Mexico 07360, Mexico
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10
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Pukkanasut P, Whitt J, Guenter R, Lynch SE, Gallegos C, Rosendo-Pineda MJ, Gomora JC, Chen H, Lin D, Sorace A, Jaskula-Sztul R, Velu SE. Voltage-Gated Sodium Channel Na V1.7 Inhibitors with Potent Anticancer Activities in Medullary Thyroid Cancer Cells. Cancers (Basel) 2023; 15:2806. [PMID: 37345144 PMCID: PMC10216335 DOI: 10.3390/cancers15102806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/08/2023] [Accepted: 05/11/2023] [Indexed: 06/23/2023] Open
Abstract
Our results from quantitative RT-PCR, Western blotting, immunohistochemistry, and the tissue microarray of medullary thyroid cancer (MTC) cell lines and patient specimens confirm that VGSC subtype NaV1.7 is uniquely expressed in aggressive MTC and not expressed in normal thyroid cells and tissues. We establish the druggability of NaV1.7 in MTC by identifying a novel inhibitor (SV188) and investigate its mode of binding and ability to inhibit INa current in NaV1.7. The whole-cell patch-clamp studies of the SV188 in the NaV1.7 channels expressed in HEK-293 cells show that SV188 inhibited the INa current in NaV1.7 with an IC50 value of 3.6 µM by a voltage- and use-dependent blockade mechanism, and the maximum inhibitory effect is observed when the channel is open. SV188 inhibited the viability of MTC cell lines, MZ-CRC-1 and TT, with IC50 values of 8.47 μM and 9.32 μM, respectively, and significantly inhibited the invasion of MZ-CRC-1 cells by 35% and 52% at 3 μM and 6 μM, respectively. In contrast, SV188 had no effect on the invasion of TT cells derived from primary tumor, which have lower basal expression of NaV1.7. In addition, SV188 at 3 μM significantly inhibited the migration of MZ-CRC-1 and TT cells by 27% and 57%, respectively.
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Affiliation(s)
- Piyasuda Pukkanasut
- Department of Chemistry, The University of Alabama at Birmingham, Birmingham, AL 35294, USA;
| | - Jason Whitt
- Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (J.W.); (R.G.); (H.C.)
| | - Rachael Guenter
- Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (J.W.); (R.G.); (H.C.)
| | - Shannon E. Lynch
- Graduate Biomedical Sciences, The University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- Department of Radiology, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (C.G.)
| | - Carlos Gallegos
- Department of Radiology, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (C.G.)
- Department of Biomedical Engineering, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Margarita Jacaranda Rosendo-Pineda
- Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (M.J.R.-P.); (J.C.G.)
| | - Juan Carlos Gomora
- Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (M.J.R.-P.); (J.C.G.)
| | - Herbert Chen
- Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (J.W.); (R.G.); (H.C.)
- Department of Pathology, The University of Alabama at Birmingham, Birmingham, AL 35233, USA;
| | - Diana Lin
- Department of Pathology, The University of Alabama at Birmingham, Birmingham, AL 35233, USA;
| | - Anna Sorace
- Department of Radiology, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (C.G.)
- Department of Biomedical Engineering, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
- O’Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Renata Jaskula-Sztul
- Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (J.W.); (R.G.); (H.C.)
- O’Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Sadanandan E. Velu
- Department of Chemistry, The University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- O’Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, AL 35233, USA
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11
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Chiliquinga AJ, Acosta B, Ogonaga-Borja I, Villarruel-Melquiades F, de la Garza J, Gariglio P, Ocádiz-Delgado R, Ramírez A, Sánchez-Pérez Y, García-Cuellar CM, Bañuelos C, Camacho J. Ion Channels as Potential Tools for the Diagnosis, Prognosis, and Treatment of HPV-Associated Cancers. Cells 2023; 12:1376. [PMID: 37408210 DOI: 10.3390/cells12101376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/19/2023] [Accepted: 05/05/2023] [Indexed: 07/07/2023] Open
Abstract
The human papilloma virus (HPV) group comprises approximately 200 genetic types that have a special affinity for epithelial tissues and can vary from producing benign symptoms to developing into complicated pathologies, such as cancer. The HPV replicative cycle affects various cellular and molecular processes, including DNA insertions and methylation and relevant pathways related to pRb and p53, as well as ion channel expression or function. Ion channels are responsible for the flow of ions across cell membranes and play very important roles in human physiology, including the regulation of ion homeostasis, electrical excitability, and cell signaling. However, when ion channel function or expression is altered, the channels can trigger a wide range of channelopathies, including cancer. In consequence, the up- or down-regulation of ion channels in cancer makes them attractive molecular markers for the diagnosis, prognosis, and treatment of the disease. Interestingly, the activity or expression of several ion channels is dysregulated in HPV-associated cancers. Here, we review the status of ion channels and their regulation in HPV-associated cancers and discuss the potential molecular mechanisms involved. Understanding the dynamics of ion channels in these cancers should help to improve early diagnosis, prognosis, and treatment in the benefit of HPV-associated cancer patients.
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Affiliation(s)
| | - Brenda Acosta
- Grupo de Investigación de Ciencias en Red, Universidad Técnica del Norte, Ibarra 100105, Ecuador
- Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Ciudad de Mexico CP 07360, Mexico
| | - Ingrid Ogonaga-Borja
- Grupo de Investigación de Ciencias en Red, Universidad Técnica del Norte, Ibarra 100105, Ecuador
- Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Ciudad de Mexico CP 07360, Mexico
| | - Fernanda Villarruel-Melquiades
- Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Ciudad de Mexico CP 07360, Mexico
| | - Jaime de la Garza
- Unidad de Oncología Torácica y Laboratorio de Medicina Personalizada, Instituto Nacional de Cancerología (INCan), Tlalpan, Ciudad de Mexico CP 14080, Mexico
| | - Patricio Gariglio
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Ciudad de Mexico CP 07360, Mexico
| | - Rodolfo Ocádiz-Delgado
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Ciudad de Mexico CP 07360, Mexico
| | - Ana Ramírez
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418, Tijuana 22390, Mexico
| | - Yesennia Sánchez-Pérez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología (INCan), Tlalpan, Ciudad de Mexico CP 14080, Mexico
| | - Claudia M García-Cuellar
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología (INCan), Tlalpan, Ciudad de Mexico CP 14080, Mexico
| | - Cecilia Bañuelos
- Programa Transdisciplinario en Desarrollo Científico y Tecnológico para la Sociedad, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Ciudad de Mexico CP 07360, Mexico
| | - Javier Camacho
- Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Ciudad de Mexico CP 07360, Mexico
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12
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Lopez-Charcas O, Poisson L, Benouna O, Lemoine R, Chadet S, Pétereau A, Lahlou W, Guyétant S, Ouaissi M, Pukkanasut P, Dutta S, Velu SE, Besson P, Moussata D, Roger S. Voltage-Gated Sodium Channel Na V1.5 Controls NHE-1-Dependent Invasive Properties in Colon Cancer Cells. Cancers (Basel) 2022; 15:cancers15010046. [PMID: 36612049 PMCID: PMC9817685 DOI: 10.3390/cancers15010046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 12/17/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
Colorectal cancer (CRC) is the second leading cause of death worldwide, with 0.9 million deaths per year. The metastatic stage of the disease is identified in about 20% of cases at the first diagnosis and is associated with low patient-survival rates. Voltage-gated sodium channels (NaV) are abnormally overexpressed in several carcinomas including CRC and are strongly associated with the metastatic behavior of cancer cells. Acidification of the extracellular space by Na+/H+ exchangers (NHE) contributes to extracellular matrix degradation and cell invasiveness. In this study, we assessed the expression levels of pore-forming α-subunits of NaV channels and NHE exchangers in tumor and adjacent non-malignant tissues from colorectal cancer patients, CRC cell lines and primary tumor cells. In all cases, SCN5A (gene encoding for NaV1.5) was overexpressed and positively correlated with cancer stage and poor survival prognosis for patients. In addition, we identified an anatomical differential expression of SCN5A and SLC9A1 (gene encoding for NHE-1) being particularly relevant for tumors that originated on the sigmoid colon epithelium. The functional activity of NaV1.5 channels was characterized in CRC cell lines and the primary cells of colon tumors obtained using tumor explant methodologies. Furthermore, we assessed the performance of two new small-molecule NaV1.5 inhibitors on the reduction of sodium currents, as well as showed that silencing SCN5A and SLC9A1 substantially reduced the 2D invasive capabilities of cancer cells. Thus, our findings show that both NaV1.5 and NHE-1 represent two promising targetable membrane proteins against the metastatic progression of CRC.
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Affiliation(s)
- Osbaldo Lopez-Charcas
- EA4245, Transplantation, Immunologie et Inflammation, Faculté de Médecine, Université de Tours, 37032 Tours, France
- Correspondence: (O.L.-C.); (S.R.); Tel.: +33-2-47-36-61-30 (S.R.)
| | - Lucile Poisson
- EA4245, Transplantation, Immunologie et Inflammation, Faculté de Médecine, Université de Tours, 37032 Tours, France
| | - Oumnia Benouna
- EA4245, Transplantation, Immunologie et Inflammation, Faculté de Médecine, Université de Tours, 37032 Tours, France
| | - Roxane Lemoine
- EA4245, Transplantation, Immunologie et Inflammation, Faculté de Médecine, Université de Tours, 37032 Tours, France
| | - Stéphanie Chadet
- EA4245, Transplantation, Immunologie et Inflammation, Faculté de Médecine, Université de Tours, 37032 Tours, France
| | - Adrien Pétereau
- Service D’anatomie et de Cytologie Pathologiques, Hôpital Trousseau, CHU de Tours, 37170 Tours, France
| | - Widad Lahlou
- Service D’hépato-Gastroentérologie et de Cancérologie Digestive, Hôpital Trousseau, CHU de Tours, 37170 Tours, France
| | - Serge Guyétant
- Service D’anatomie et de Cytologie Pathologiques, Hôpital Trousseau, CHU de Tours, 37170 Tours, France
| | - Mehdi Ouaissi
- EA4245, Transplantation, Immunologie et Inflammation, Faculté de Médecine, Université de Tours, 37032 Tours, France
- Service de Chirurgie Viscérale et Oncologique, Hôpital Trousseau, CHU de Tours, 37170 Tours, France
| | - Piyasuda Pukkanasut
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, AL 35294-1240, USA
| | - Shilpa Dutta
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, AL 35294-1240, USA
| | - Sadanandan E. Velu
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, AL 35294-1240, USA
| | - Pierre Besson
- EA4245, Transplantation, Immunologie et Inflammation, Faculté de Médecine, Université de Tours, 37032 Tours, France
| | - Driffa Moussata
- EA4245, Transplantation, Immunologie et Inflammation, Faculté de Médecine, Université de Tours, 37032 Tours, France
- Service D’hépato-Gastroentérologie et de Cancérologie Digestive, Hôpital Trousseau, CHU de Tours, 37170 Tours, France
| | - Sébastien Roger
- EA4245, Transplantation, Immunologie et Inflammation, Faculté de Médecine, Université de Tours, 37032 Tours, France
- Correspondence: (O.L.-C.); (S.R.); Tel.: +33-2-47-36-61-30 (S.R.)
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13
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Di Gregorio E, Israel S, Staelens M, Tankel G, Shankar K, Tuszyński JA. The distinguishing electrical properties of cancer cells. Phys Life Rev 2022; 43:139-188. [PMID: 36265200 DOI: 10.1016/j.plrev.2022.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 09/30/2022] [Indexed: 11/07/2022]
Abstract
In recent decades, medical research has been primarily focused on the inherited aspect of cancers, despite the reality that only 5-10% of tumours discovered are derived from genetic causes. Cancer is a broad term, and therefore it is inaccurate to address it as a purely genetic disease. Understanding cancer cells' behaviour is the first step in countering them. Behind the scenes, there is a complicated network of environmental factors, DNA errors, metabolic shifts, and electrostatic alterations that build over time and lead to the illness's development. This latter aspect has been analyzed in previous studies, but how the different electrical changes integrate and affect each other is rarely examined. Every cell in the human body possesses electrical properties that are essential for proper behaviour both within and outside of the cell itself. It is not yet clear whether these changes correlate with cell mutation in cancer cells, or only with their subsequent development. Either way, these aspects merit further investigation, especially with regards to their causes and consequences. Trying to block changes at various levels of occurrence or assisting in their prevention could be the key to stopping cells from becoming cancerous. Therefore, a comprehensive understanding of the current knowledge regarding the electrical landscape of cells is much needed. We review four essential electrical characteristics of cells, providing a deep understanding of the electrostatic changes in cancer cells compared to their normal counterparts. In particular, we provide an overview of intracellular and extracellular pH modifications, differences in ionic concentrations in the cytoplasm, transmembrane potential variations, and changes within mitochondria. New therapies targeting or exploiting the electrical properties of cells are developed and tested every year, such as pH-dependent carriers and tumour-treating fields. A brief section regarding the state-of-the-art of these therapies can be found at the end of this review. Finally, we highlight how these alterations integrate and potentially yield indications of cells' malignancy or metastatic index.
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Affiliation(s)
- Elisabetta Di Gregorio
- Dipartimento di Ingegneria Meccanica e Aerospaziale (DIMEAS), Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, TO, Italy; Autem Therapeutics, 35 South Main Street, Hanover, 03755, NH, USA
| | - Simone Israel
- Dipartimento di Ingegneria Meccanica e Aerospaziale (DIMEAS), Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, TO, Italy; Autem Therapeutics, 35 South Main Street, Hanover, 03755, NH, USA
| | - Michael Staelens
- Department of Physics, University of Alberta, 11335 Saskatchewan Drive NW, Edmonton, T6G 2E1, AB, Canada
| | - Gabriella Tankel
- Department of Mathematics & Statistics, McMaster University, 1280 Main Street West, Hamilton, L8S 4K1, ON, Canada
| | - Karthik Shankar
- Department of Electrical & Computer Engineering, University of Alberta, 9211 116 Street NW, Edmonton, T6G 1H9, AB, Canada
| | - Jack A Tuszyński
- Dipartimento di Ingegneria Meccanica e Aerospaziale (DIMEAS), Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, TO, Italy; Department of Physics, University of Alberta, 11335 Saskatchewan Drive NW, Edmonton, T6G 2E1, AB, Canada; Department of Oncology, University of Alberta, 11560 University Avenue, Edmonton, T6G 1Z2, AB, Canada.
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14
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Zhao J, Li M, Xu J, Cheng W. The modulation of ion channels in cancer chemo-resistance. Front Oncol 2022; 12:945896. [PMID: 36033489 PMCID: PMC9399684 DOI: 10.3389/fonc.2022.945896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/19/2022] [Indexed: 11/25/2022] Open
Abstract
Ion channels modulate the flow of ions into and out of a cell or intracellular organelle, leading to generation of electrical or chemical signals and regulating ion homeostasis. The abundance of ion channels in the plasma and intracellular membranes are subject to physiological and pathological regulations. Abnormal and dysregulated expressions of many ion channels are found to be linked to cancer and cancer chemo-resistance. Here, we will summarize ion channels distribution in multiple tumors. And the involvement of ion channels in cancer chemo-resistance will be highlighted.
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15
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Albaradei S, Albaradei A, Alsaedi A, Uludag M, Thafar MA, Gojobori T, Essack M, Gao X. MetastaSite: Predicting metastasis to different sites using deep learning with gene expression data. Front Mol Biosci 2022; 9:913602. [PMID: 35936793 PMCID: PMC9353773 DOI: 10.3389/fmolb.2022.913602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 06/29/2022] [Indexed: 12/03/2022] Open
Abstract
Deep learning has massive potential in predicting phenotype from different omics profiles. However, deep neural networks are viewed as black boxes, providing predictions without explanation. Therefore, the requirements for these models to become interpretable are increasing, especially in the medical field. Here we propose a computational framework that takes the gene expression profile of any primary cancer sample and predicts whether patients' samples are primary (localized) or metastasized to the brain, bone, lung, or liver based on deep learning architecture. Specifically, we first constructed an AutoEncoder framework to learn the non-linear relationship between genes, and then DeepLIFT was applied to calculate genes' importance scores. Next, to mine the top essential genes that can distinguish the primary and metastasized tumors, we iteratively added ten top-ranked genes based upon their importance score to train a DNN model. Then we trained a final multi-class DNN that uses the output from the previous part as an input and predicts whether samples are primary or metastasized to the brain, bone, lung, or liver. The prediction performances ranged from AUC of 0.93-0.82. We further designed the model's workflow to provide a second functionality beyond metastasis site prediction, i.e., to identify the biological functions that the DL model uses to perform the prediction. To our knowledge, this is the first multi-class DNN model developed for the generic prediction of metastasis to various sites.
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Affiliation(s)
- Somayah Albaradei
- Computer Electrical and Mathematical Sciences and Engineering Division (CEMSE), Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Faculty of Computing and Information Technology, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Asim Alsaedi
- King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- King Abdulaziz Medical City, Jeddah, Saudi Arabia
| | - Mahmut Uludag
- Computer Electrical and Mathematical Sciences and Engineering Division (CEMSE), Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Maha A. Thafar
- Computer Electrical and Mathematical Sciences and Engineering Division (CEMSE), Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- College of Computers and Information Technology, Taif University, Taif, Saudi Arabia
| | - Takashi Gojobori
- Computer Electrical and Mathematical Sciences and Engineering Division (CEMSE), Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Magbubah Essack
- Computer Electrical and Mathematical Sciences and Engineering Division (CEMSE), Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Xin Gao
- Computer Electrical and Mathematical Sciences and Engineering Division (CEMSE), Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
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16
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Nav1.6 promotes the progression of human follicular thyroid carcinoma cells via JAK-STAT signaling pathway. Pathol Res Pract 2022; 236:153984. [PMID: 35753135 DOI: 10.1016/j.prp.2022.153984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/07/2022] [Accepted: 06/13/2022] [Indexed: 11/21/2022]
Abstract
Follicular thyroid carcinoma (FTC) is one of the most common malignant tumors of the endocrine system. Recent studies have shown that voltage-gated sodium channels (VGSCs) affect the proliferation, migration, and invasion of tumor cells. However, the expression and functions of VGSCs, and the molecular pathways activated by VGSCs in FTC cells remain unclear. Our studies revealed that the expression of Nav1.6, encoded by SCN8A, was the predominantly upregulated subtype of VGSCs in FTC tissues. Knockdown of Nav1.6 significantly inhibited the proliferation, epithelial-mesenchymal transition and invasiveness of FTC cells. Using gene set enrichment analysis and Kyoto Encyclopedia of Genes and Genomics, SCN8A was predicted to be related to the JAK-STAT signaling pathway. Hence, we targeted the JAK-STAT pathway and demonstrated that Nav1.6 enhanced FTC cell proliferation, epithelial-mesenchymal transition, and invasion by phosphorylating JAK2 to activate STAT3. Furthermore, downregulating the expression of Nav1.6 improve the susceptibility of FTC cells to ubenimex in vitro. These results suggest Nav1.6 accelerates FTC progression through JAK/STAT signaling and may be a potential target for FTC therapy.
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17
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Ahmed S, Khan H, Fakhri S, Aschner M, Cheang WS. Therapeutic potential of marine peptides in cervical and ovarian cancers. Mol Cell Biochem 2022; 477:605-619. [PMID: 34855045 DOI: 10.1007/s11010-021-04306-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 11/17/2021] [Indexed: 12/14/2022]
Abstract
Cervical and ovarian cancers contribute significantly to female morbidity and mortality worldwide. The current standard of treatment, including surgical removal, radiation therapy, and chemotherapy, offers poor outcomes. There are many side effects to traditional chemotherapeutic agents and treatment-resistant types, and often the immune response is depressed. As a result, traditional approaches have evolved to include new alternative remedies, such as natural compounds. Aquatic species provide a rich supply of possible drugs. The potential anti-cancer peptides are less toxic to normal cells and can attenuate multiple drug resistance by providing an efficacious treatment approach. The physiological effects of marine peptides are described in this review focusing on various pathways, such as apoptosis, microtubule balance disturbances, suppression of angiogenesis, cell migration/invasion, and cell viability. The review also highlights the potential role of marine peptides as safe and efficacious therapeutic agent for the treatment of cervical and ovarian cancers.
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Affiliation(s)
- Salman Ahmed
- Department of Pharmacognosy, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, 23200, Pakistan.
| | - Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, 6734667149, Kermanshah, Iran
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Wai San Cheang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Zhuhai, China
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18
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Song C, Lee Y, Kim S. Bioinformatic Analysis for the Prognostic Implication of Genes Encoding Epithelial Sodium Channel in Cervical Cancer. Int J Gen Med 2022; 15:1777-1787. [PMID: 35210842 PMCID: PMC8863188 DOI: 10.2147/ijgm.s346222] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 02/08/2022] [Indexed: 12/22/2022] Open
Abstract
Background Cervical cancer is one of the leading causes of death in women. Among the sodium ion channels associated with cancer development, voltage gated sodium channel plays an important role in pathophysiology of cervical cancer; however, the clinicopathological implication of epithelial sodium channel (ENaC) has not been explored. Purpose This study focused on identifying dysregulation of ENaC encoding genes, including SCNN1A, SCNN1B, and SCNN1G, and their relationship with clinicopathologic features in cervical cancer patients. Materials and Methods RNA sequencing data of ENaC-encoding genes, clinicopathologic data, and survival data of cervical cancer patients were obtained from The Cancer Genome Atlas cohort. Microarray data of ENaC-encoding genes were obtained from Gene Expression Omnibus datasets: GSE6791 and GSE63514. Results The expression levels of SCNN1A, SCNN1B, and SCNN1G were positively correlated with each other. SCNN1A, SCNN1B, and SCNN1G are significantly overexpressed in normal tissues than in tumor tissues. Survival analysis showed that simultaneous overexpression of all three genes associated with better overall survival (OS). Each overexpression of SCNN1B and SCNN1G was significantly associated with better OS. Moreover, each expression level of SCNN1A, SCNN1B, and SCNN1G was negatively correlated with histologic grade of tumor. Conclusion ENaC-encoding genes might be potential biological markers to better predict survival outcomes in cervical cancer patients.
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Affiliation(s)
- Changho Song
- Department of Obstetrics and Gynecology, School of Medicine, Keimyung University, Daegu, 42601, Republic of Korea
| | - Yongho Lee
- Department of Anesthesiology and Pain Medicine, Keimyung University Dongsan Hospital, Daegu, 42601, Republic of Korea
| | - Shin Kim
- Department of Immunology, School of Medicine, Keimyung University, Daegu, 42601, Republic of Korea
- Institute of Medical Science, Keimyung University, Daegu, 42601, Republic of Korea
- Institute for Cancer Research, Keimyung University Dongsan Medical Center, Daegu, 42601, Republic of Korea
- Correspondence: Shin Kim, 1095 Dalgubeol-Daero, Dalseo-gu, Daegu, 42601, Republic of Korea, Tel +82-53-258-7359, Fax +82-53-258-7355, Email
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19
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Sidhu H, Capalash N. Synergistic anti-cancer action of salicylic acid and cisplatin on HeLa cells elucidated by network pharmacology and in vitro analysis. Life Sci 2021; 282:119802. [PMID: 34237314 DOI: 10.1016/j.lfs.2021.119802] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 06/13/2021] [Accepted: 06/30/2021] [Indexed: 01/20/2023]
Abstract
AIM To investigate the anti-cancer potential of salicylic acid and cisplatin combination in HeLa cells and the underlying mechanism. MAIN METHODS Drugs and disease targets were extracted from DrugBank, BATMAN-TCM, STITCH, PharmMapper and Comparative Toxigenomics Database. Cytoscape 3.8.2 was used to merge the protein-protein interaction networks and select core targets. GO and KEGG analysis was done using Metascape and WebGestalt. Effect of salicylic acid and cisplatin alone and in combination on cells viability was studied by MTT assay. The type of interaction between salicylic acid and cisplatin was determined by CompuSyn. Apoptosis was evaluated by molecular docking, Rhodamine-123, DAPI, AO/EtBr staining, flow cytometry, qRT-PCR and western blotting. Metastasis was studied using scratch assay and western blotting. UHRF1 transient silencing was performed by siRNA. KEY FINDINGS Out of 420, 1863 and 1362 respective targets of salicylic acid, cisplatin and cervical cancer, 18 core proteins were enriched in apoptosis and cell migration related pathways. IC50 value of cisplatin was reduced by 14 fold in combination with salicylic acid at IC20 (4 μM). There was loss of mitochondrial membrane potential and downregulation of UHRF1, pAkt, full length PARP and pro-caspase 3 expression. Transient silencing of UHRF1 also induced mitochondrial depolarization and apoptosis. The combination also exhibited anti-metastasis effect as it suppressed migration, upregulated PAX1 and downregulated MMP-2. SIGNIFICANCE Reduction in cisplatin concentration, enhanced anti-cancer effects and UHRF1 downregulation due to synergistic interaction between salicylic acid and cisplatin underscores the therapeutic importance of the combination to overcome chemo-resistance and side effects of cisplatin.
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Affiliation(s)
- Harsimran Sidhu
- Department of Biotechnology, Panjab University, Chandigarh 160014, India
| | - Neena Capalash
- Department of Biotechnology, Panjab University, Chandigarh 160014, India.
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20
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Zybura A, Hudmon A, Cummins TR. Distinctive Properties and Powerful Neuromodulation of Na v1.6 Sodium Channels Regulates Neuronal Excitability. Cells 2021; 10:cells10071595. [PMID: 34202119 PMCID: PMC8307729 DOI: 10.3390/cells10071595] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 06/20/2021] [Accepted: 06/21/2021] [Indexed: 12/19/2022] Open
Abstract
Voltage-gated sodium channels (Navs) are critical determinants of cellular excitability. These ion channels exist as large heteromultimeric structures and their activity is tightly controlled. In neurons, the isoform Nav1.6 is highly enriched at the axon initial segment and nodes, making it critical for the initiation and propagation of neuronal impulses. Changes in Nav1.6 expression and function profoundly impact the input-output properties of neurons in normal and pathological conditions. While mutations in Nav1.6 may cause channel dysfunction, aberrant changes may also be the result of complex modes of regulation, including various protein-protein interactions and post-translational modifications, which can alter membrane excitability and neuronal firing properties. Despite decades of research, the complexities of Nav1.6 modulation in health and disease are still being determined. While some modulatory mechanisms have similar effects on other Nav isoforms, others are isoform-specific. Additionally, considerable progress has been made toward understanding how individual protein interactions and/or modifications affect Nav1.6 function. However, there is still more to be learned about how these different modes of modulation interact. Here, we examine the role of Nav1.6 in neuronal function and provide a thorough review of this channel’s complex regulatory mechanisms and how they may contribute to neuromodulation.
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Affiliation(s)
- Agnes Zybura
- Program in Medical Neuroscience, Paul and Carole Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
- Biology Department, School of Science, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, USA
| | - Andy Hudmon
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, West Lafayette, IN 47907, USA;
| | - Theodore R. Cummins
- Program in Medical Neuroscience, Paul and Carole Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
- Biology Department, School of Science, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, USA
- Correspondence:
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21
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Lopez-Charcas O, Pukkanasut P, Velu SE, Brackenbury WJ, Hales TG, Besson P, Gomora JC, Roger S. Pharmacological and nutritional targeting of voltage-gated sodium channels in the treatment of cancers. iScience 2021; 24:102270. [PMID: 33817575 PMCID: PMC8010468 DOI: 10.1016/j.isci.2021.102270] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Voltage-gated sodium (NaV) channels, initially characterized in excitable cells, have been shown to be aberrantly expressed in non-excitable cancer tissues and cells from epithelial origins such as in breast, lung, prostate, colon, and cervix, whereas they are not expressed in cognate non-cancer tissues. Their activity was demonstrated to promote aggressive and invasive potencies of cancer cells, both in vitro and in vivo, whereas their deregulated expression in cancer tissues has been associated with metastatic progression and cancer-related death. This review proposes NaV channels as pharmacological targets for anticancer treatments providing opportunities for repurposing existing NaV-inhibitors or developing new pharmacological and nutritional interventions.
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Affiliation(s)
- Osbaldo Lopez-Charcas
- Université de Tours, EA4245 Transplantation, Immunologie, Inflammation, Faculté de Médecine de Tours, 10 Boulevard Tonnellé, 37032 Tours, France
| | - Piyasuda Pukkanasut
- Department of Chemistry, The University of Alabama at Birmingham, CHEM 280. 901, 14th Street S, Birmingham, AL 35294, USA
| | - Sadanandan E. Velu
- Department of Chemistry, The University of Alabama at Birmingham, CHEM 280. 901, 14th Street S, Birmingham, AL 35294, USA
| | - William J. Brackenbury
- Department of Biology, York Biomedical Research Institute, University of York, Heslington, York YO10 5DD, UK
| | - Tim G. Hales
- Institute of Academic Anaesthesia, Division of Systems Medicine, School of Medicine, the University of Dundee, DD1 9SY, Dundee, UK
| | - Pierre Besson
- Université de Tours, EA4245 Transplantation, Immunologie, Inflammation, Faculté de Médecine de Tours, 10 Boulevard Tonnellé, 37032 Tours, France
| | - Juan Carlos Gomora
- Instituto de Fisiología Celular, Circuito Exterior s/n Ciudad Universitaria, Universidad Nacional Autónoma de México, Mexico City, 04510 México
| | - Sébastien Roger
- Université de Tours, EA4245 Transplantation, Immunologie, Inflammation, Faculté de Médecine de Tours, 10 Boulevard Tonnellé, 37032 Tours, France
- Institut Universitaire de France, 75005 Paris, France
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22
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Sodium ion channels as potential therapeutic targets for cancer metastasis. Drug Discov Today 2021; 26:1136-1147. [PMID: 33545383 DOI: 10.1016/j.drudis.2021.01.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/31/2020] [Accepted: 01/27/2021] [Indexed: 12/28/2022]
Abstract
Is it possible to develop drugs for the treatment of a specific type of metastatic cancer by targeting sodium ion channels?
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23
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Poisson L, Lopez-Charcas O, Chadet S, Bon E, Lemoine R, Brisson L, Ouaissi M, Baron C, Besson P, Roger S, Moussata D. Rock inhibition promotes Na V1.5 sodium channel-dependent SW620 colon cancer cell invasiveness. Sci Rep 2020; 10:13350. [PMID: 32770034 PMCID: PMC7414216 DOI: 10.1038/s41598-020-70378-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 07/29/2020] [Indexed: 12/21/2022] Open
Abstract
The acquisition of invasive capacities by carcinoma cells, i.e. their ability to migrate through and to remodel extracellular matrices, is a determinant process leading to their dissemination and to the development of metastases. these cancer cell properties have often been associated with an increased Rho-ROCK signalling, and ROCK inhibitors have been proposed for anticancer therapies. In this study we used the selective ROCK inhibitor, Y-27632, to address the participation of the Rho-ROCK signalling pathway in the invasive properties of SW620 human colon cancer cells. Contrarily to initial assumptions, Y-27632 induced the acquisition of a pro-migratory cell phenotype and increased cancer cell invasiveness in both 3- and 2-dimensions assays. This effect was also obtained using the other ROCK inhibitor Fasudil as well as with knocking down the expression of ROCK-1 or ROCK-2, but was prevented by the inhibition of NaV1.5 voltage-gated sodium channel activity. Indeed, ROCK inhibition enhanced the activity of the pro-invasive NaV1.5 channel through a pathway that was independent of gene expression regulation. In conclusions, our evidence identifies voltage-gated sodium channels as new targets of the ROCK signalling pathway, as well as responsible for possible deleterious effects of the use of ROCK inhibitors in the treatment of cancers.
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Affiliation(s)
- Lucile Poisson
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France.,Inserm UMR1069, Nutrition, Croissance et Cancer, Université de Tours, Tours, France
| | - Osbaldo Lopez-Charcas
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France
| | - Stéphanie Chadet
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France
| | - Emeline Bon
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France
| | - Roxane Lemoine
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France
| | - Lucie Brisson
- Inserm UMR1069, Nutrition, Croissance et Cancer, Université de Tours, Tours, France
| | - Mehdi Ouaissi
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France.,CHRU de Tours, Tours, France
| | - Christophe Baron
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France.,CHRU de Tours, Tours, France
| | - Pierre Besson
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France
| | - Sébastien Roger
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France. .,Institut Universitaire de France, Paris, France.
| | - Driffa Moussata
- EA4245 Transplantation, Immunologie, Inflammation, Université de Tours, 10 Boulevard Tonnellé, 37032, Tours, France.,CHRU de Tours, Tours, France
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24
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Rosendo-Pineda MJ, Moreno CM, Vaca L. Role of ion channels during cell division. Cell Calcium 2020; 91:102258. [PMID: 32736154 DOI: 10.1016/j.ceca.2020.102258] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/20/2020] [Accepted: 07/20/2020] [Indexed: 02/06/2023]
Abstract
Ion channels are transmembrane proteins whose canonical function is the transport of ions across the plasma membrane to regulate cell membrane potential and play an essential role in neural communication, nerve conduction, and muscle contraction. However, over the last few years, non-canonical functions have been identified for many channels, having active roles in phagocytosis, invasiveness, proliferation, among others. The participation of some channels in cell proliferation has raised the question of whether they may play an active role in mitosis. There are several reports showing the participation of channels during interphase, however, the direct participation of ion channels in mitosis has received less attention. In this article, we summarize the current evidence on the participation of ion channels in mitosis. We also summarize some tools that would allow the study of ion channels and cell cycle regulatory molecules in individual cells during mitosis.
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Affiliation(s)
| | - Claudia M Moreno
- Department of Physiology and Biophysics, University of Washington School of Medicine, Seattle, WA, 98195, USA
| | - Luis Vaca
- Instituto de Fisiología Celular. Universidad Nacional Autónoma de México. Ciudad Universitaria, Coyoacán, DF, 04510, Mexico; Department of Physiology and Biophysics, University of Washington School of Medicine, Seattle, WA, 98195, USA.
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25
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Díaz-García A, Varela D. Voltage-Gated K +/Na + Channels and Scorpion Venom Toxins in Cancer. Front Pharmacol 2020; 11:913. [PMID: 32655396 PMCID: PMC7325878 DOI: 10.3389/fphar.2020.00913] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 06/04/2020] [Indexed: 12/25/2022] Open
Abstract
Ion channels have recently been recognized as novel therapeutic targets in cancer research since they are overexpressed in different histological tissues, and their activity is linked to proliferation, tumor progression, angiogenesis, metastasis, and apoptosis. Voltage gated-potassium channels (VGKC) are involved in cell proliferation, cancer progression, cell cycle transition, and apoptosis. Moreover, voltage-dependent sodium channels (VGSC) contribute to decreases in extracellular pH, which, in turn, promotes cancer cell migration and invasion. Furthermore, VGSC and VGKC modulate voltage-sensitive Ca2+ channel activity by controlling the membrane potential and regulating Ca2+ influx, which functions as a second messenger in processes related to proliferation, invasion, migration, and metastasis. The subgroup of these types of channels that have shown a high oncogenic potential have become known as "oncochannels", and the evidence has highlighted them as key potential therapeutic targets. Scorpion venoms contain a high proportion of peptide toxins that act by modulating voltage-gated Na+/K+ channel activity. Increasing scientific data have pointed out that scorpion venoms and their toxins can affect the activity of oncochannels, thus showing their potential for anticancer therapy. In this review, we provide an update of the most relevant voltage-gated Na+\K+ ion channels as cellular targets and discuss the possibility of using scorpion venom and toxins for anticancer therapy.
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Affiliation(s)
- Alexis Díaz-García
- LifEscozul Chile SpA, Santiago, Chile
- Millennium Nucleus of Ion Channel-Associated Diseases (MiNICAD), Universidad de Chile, Santiago, Chile
| | - Diego Varela
- Millennium Nucleus of Ion Channel-Associated Diseases (MiNICAD), Universidad de Chile, Santiago, Chile
- Program of Physiology and Biophysics, Faculty of Medicine, Institute of Biomedical Sciences (ICBM), Universidad de Chile, Santiago, Chile
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26
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Zhang J, Cong R, Zhang Q, Zeng T, Song R, Meng X. Integrative analysis of ceRNA network and DNA methylation associated with gene expression in malignant pheochromocytomas: a study based on The Cancer Genome Atlas. Transl Androl Urol 2020; 9:344-354. [PMID: 32420140 PMCID: PMC7214974 DOI: 10.21037/tau.2020.01.29] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Background Competitive endogenous RNAs (ceRNAs) have revealed a new mechanism of interaction between RNAs. Epigenetic regulation in the gene expression dynamics has become increasingly important in malignant pheochromocytomas (PCCs). We performed an integrative analysis of ceRNA networks and DNA methylation to identify key biomarkers and contribute to the understanding of the molecular biological mechanisms of malignant PCCs. Methods Differentially expressed genes in malignant PCCs and controls were identified from The Cancer Genome Atlas database by using the Limma package in R (v3.4.4). An abnormal lncRNA-miRNA-mRNA ceRNA network was constructed for malignant PCCs, and function enrichment analysis was performed using the Database for Annotation, Visualization, and Integrated Discovery. For DNA methylation datasets, the methylation analysis package was used in identifying differential methylation genes, and potential prognostic genes were identified by Kaplan-Meier survival analysis. Results A total of 447 lncRNAs, 26 miRNAs, and 1,607 mRNAs were found to be differentially expressed in malignant PCCs as compared with those in normal samples. We then constructed an abnormal lncRNA-miRNA-mRNA ceRNA network for malignant PCCs. The network consisted of 12 lncRNAs, 6 miRNAs, and 220 mRNAs. Functional enrichment analysis showed that differentially expressed mRNAs were particularly enriched in the biological process, cellular component, and molecular function. Furthermore, four differentially expressed mRNAs from ceRNAs were identified through the cross-analysis of gene expression and DNA methylation profiles. LncRNA C9orf147 and 6 out of 220 mRNAs were indicated as prognostic biomarkers for patients with malignant PCCs (P<0.05). Conclusions Our research increases the understanding of the pathogenesis of malignant PCCs and offers potential genes as underlying therapeutic targets or prognostic biomarkers.
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Affiliation(s)
- Jiayi Zhang
- Department of Urology, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Rong Cong
- Department of Urology, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Qijie Zhang
- Department of Urology, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Tengyue Zeng
- Department of Urology, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Rijin Song
- Department of Urology, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Xianghu Meng
- Department of Urology, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
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27
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Poku LO, Phil M, Cheng Y, Wang K, Sun X. 23 Na-MRI as a Noninvasive Biomarker for Cancer Diagnosis and Prognosis. J Magn Reson Imaging 2020; 53:995-1014. [PMID: 32219933 PMCID: PMC7984266 DOI: 10.1002/jmri.27147] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/06/2020] [Accepted: 03/07/2020] [Indexed: 12/11/2022] Open
Abstract
The influx of sodium (Na+) ions into a resting cell is regulated by Na+ channels and by Na+/H+ and Na+/Ca2+ exchangers, whereas Na+ ion efflux is mediated by the activity of Na+/K+‐ATPase to maintain a high transmembrane Na+ ion gradient. Dysfunction of this system leads to changes in the intracellular sodium concentration that promotes cancer metastasis by mediating invasion and migration. In addition, the accumulation of extracellular Na+ ions in cancer due to inflammation contributes to tumor immunogenicity. Thus, alterations in the Na+ ion concentration may potentially be used as a biomarker for malignant tumor diagnosis and prognosis. However, current limitations in detection technology and a complex tumor microenvironment present significant challenges for the in vivo assessment of Na+ concentration in tumor. 23Na‐magnetic resonance imaging (23Na‐MRI) offers a unique opportunity to study the effects of Na+ ion concentration changes in cancer. Although challenged by a low signal‐to‐noise ratio, the development of ultrahigh magnetic field scanners and specialized sodium acquisition sequences has significantly advanced 23Na‐MRI. 23Na‐MRI provides biochemical information that reflects cell viability, structural integrity, and energy metabolism, and has been shown to reveal rapid treatment response at the molecular level before morphological changes occur. Here we review the basis of 23Na‐MRI technology and discuss its potential as a direct noninvasive in vivo diagnostic and prognostic biomarker for cancer therapy, particularly in cancer immunotherapy. We propose that 23Na‐MRI is a promising method with a wide range of applications in the tumor immuno‐microenvironment research field and in cancer immunotherapy monitoring. Level of Evidence 2 Technical Efficacy Stage 2
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Affiliation(s)
| | - M Phil
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, China.,Molecular Imaging Research Center (MIRC), Harbin Medical University, Harbin, China.,TOF-PET/CT/MR Center, The Fourth Hospital of Harbin Medical University, Harbin, China
| | - Yongna Cheng
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, China.,Molecular Imaging Research Center (MIRC), Harbin Medical University, Harbin, China.,TOF-PET/CT/MR Center, The Fourth Hospital of Harbin Medical University, Harbin, China
| | - Kai Wang
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, China.,Molecular Imaging Research Center (MIRC), Harbin Medical University, Harbin, China.,TOF-PET/CT/MR Center, The Fourth Hospital of Harbin Medical University, Harbin, China
| | - Xilin Sun
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, China.,Molecular Imaging Research Center (MIRC), Harbin Medical University, Harbin, China.,TOF-PET/CT/MR Center, The Fourth Hospital of Harbin Medical University, Harbin, China
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28
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Yuan G. Correlation between ER, PR, P53, Ki67 expression, and high-risk HPV infection in patients with different levels of cervical intraepithelial neoplasia. EUR J INFLAMM 2020. [DOI: 10.1177/2058739220933084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
This study was designed to investigate the correlation between high-risk human papillomavirus (HPV) infection and the expression of IHC markers (ER, PR, p53, Ki67) in patients with different grades of cervical intraepithelial neoplasia (CIN). It was a retrospective study, which was conducted from June 2016 to June 2018. 140 specimens of CIN were collected from the pathology department of a certain hospital that included 40 specimens of CIN1, 50 specimens of CIN2 and 50 specimens of CIN3. The expression of ER, PR, P53 and Ki67 were determined by immunohistochemistry. The high-risk HPV infections were detected by PCR fluorescence quantification and were given the correlation analysis. In the 140 specimens, the positive rates of HPV16 and HPV18 in CIN1 specimens were 27.5% and 25.0% respectively, and in CIN2 specimens were 64.0% and 60.0% respectively, and in CIN3 specimens were 90.0% and 92.0% respectively, the difference were statistically significant (p<0.05). There were no significant correlation (p<0.05) between HPV16 and HPV18 positive rate and patient age, tissue differentiation, and tumor size. With the increased of CIN grade, the positive rate of ER, PR, P53 and Ki67 expression in specimen were also increased significantly, and the difference were statistically significant (p<0.05). Pearson correlation analysis showed there were positive correlation (p<0.05) between the positive rates of HPV16 and HPV18 and the positive rates of ER, PR, P53 and Ki67. With the increase of CIN level, the positive rates of high-risk HPV infection as well as ER, PR, P53 and Ki67 are increased, and they have positive correlation.
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Affiliation(s)
- Gao Yuan
- Department of Gynecologic Oncology, Tianjin Central Hospital of Gynecology Obstetrics, Tianjin, P.R. China
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29
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Malacrida A, Rivara M, Di Domizio A, Cislaghi G, Miloso M, Zuliani V, Nicolini G. 3D proteome-wide scale screening and activity evaluation of a new ALKBH5 inhibitor in U87 glioblastoma cell line. Bioorg Med Chem 2019; 28:115300. [PMID: 31937477 DOI: 10.1016/j.bmc.2019.115300] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 12/18/2019] [Accepted: 12/26/2019] [Indexed: 12/14/2022]
Abstract
The imidazobenzoxazin-5-thione MV1035, synthesized as a new sodium channel blocker, has been tested on tumoral cells that differ for origin and for expressed NaV pool (U87-MG, H460 and A549). In this paper we focus on the effect of MV1035 in reducing U87 glioblastoma cell line migration and invasiveness. Since the effect of this compound on U87-MG cells seemed not dependent on its sodium channel blocking capability, alternative off-target interaction for MV1035 have been identified using SPILLO-PBSS software. This software performs a structure-based in silico screening on a proteome-wide scale, that allows to identify off-target interactions. Among the top-ranked off-targets of MV1035, we focused on the RNA demethylase ALKBH5 enzyme, known for playing a key role in cancer. In order to prove the effect of MV1035 on ALKBH5 in vitro coincubation of MV1035 and ALKBH5 has been performed demonstrating a consequent increase of N6-methyladenosine (m6A) RNA. To further validate the pathway involving ALKBH5 inhibition by MV1035 in U87-MG reduced migration and invasiveness, we evaluated CD73 as possible downstream protein. CD73 is an extrinsic protein involved in the generation of adenosine and is overexpressed in several tumors including glioblastoma. We have demonstrated that treating U87-MG with MV1035, CD73 protein expression was reduced without altering CD73 transcription. Our results show that MV1035 is able to significantly reduce U87 cell line migration and invasiveness inhibiting ALKBH5, an RNA demethylase that can be considered an interesting target in fighting glioblastoma aggressiveness. Our data encourage to further investigate the MV1035 inhibitory effect on glioblastoma.
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Affiliation(s)
- Alessio Malacrida
- School of Medicine and Surgery, Experimental Neurology Unit and Milan Center for Neuroscience, University of Milano-Bicocca, via Cadore 48, 20900 Monza, MB, Italy
| | - Mirko Rivara
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, PR, Italy.
| | - Alessandro Di Domizio
- Department of Pharmacological and Biomolecular Sciences, University of Milano, via Balzaretti 9, 20133 Milano, Italy; SPILLOproject, via Stradivari 17, 20037 Paderno Dugnano, Milano, Italy(2)
| | - Giacomo Cislaghi
- SPILLOproject, via Stradivari 17, 20037 Paderno Dugnano, Milano, Italy(2)
| | - Mariarosaria Miloso
- School of Medicine and Surgery, Experimental Neurology Unit and Milan Center for Neuroscience, University of Milano-Bicocca, via Cadore 48, 20900 Monza, MB, Italy
| | - Valentina Zuliani
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, PR, Italy
| | - Gabriella Nicolini
- School of Medicine and Surgery, Experimental Neurology Unit and Milan Center for Neuroscience, University of Milano-Bicocca, via Cadore 48, 20900 Monza, MB, Italy
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30
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Gradek F, Lopez-Charcas O, Chadet S, Poisson L, Ouldamer L, Goupille C, Jourdan ML, Chevalier S, Moussata D, Besson P, Roger S. Sodium Channel Na v1.5 Controls Epithelial-to-Mesenchymal Transition and Invasiveness in Breast Cancer Cells Through its Regulation by the Salt-Inducible Kinase-1. Sci Rep 2019; 9:18652. [PMID: 31819138 PMCID: PMC6901527 DOI: 10.1038/s41598-019-55197-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 11/21/2019] [Indexed: 12/11/2022] Open
Abstract
Loss of epithelial polarity and gain in invasiveness by carcinoma cells are critical events in the aggressive progression of cancers and depend on phenotypic transition programs such as the epithelial-to-mesenchymal transition (EMT). Many studies have reported the aberrant expression of voltage-gated sodium channels (NaV) in carcinomas and specifically the NaV1.5 isoform, encoded by the SCN5A gene, in breast cancer. NaV1.5 activity, through an entry of sodium ions, in breast cancer cells is associated with increased invasiveness, but its participation to the EMT has to be clarified. In this study, we show that reducing the expression of NaV1.5 in highly aggressive human MDA-MB-231 breast cancer cells reverted the mesenchymal phenotype, reduced cancer cell invasiveness and the expression of the EMT-promoting transcription factor SNAI1. The heterologous expression of NaV1.5 in weakly invasive MCF-7 breast cancer cells induced their expression of both SNAI1 and ZEB1 and increased their invasive capacities. In MCF-7 cells the stimulation with the EMT-activator signal TGF-β1 increased the expression of SCN5A. Moreover, the reduction of the salt-inducible kinase 1 (SIK1) expression promoted NaV1.5-dependent invasiveness and expression of EMT-associated transcription factor SNAI1. Altogether, these results indicated a prominent role of SIK1 in regulating NaV1.5-dependent EMT and invasiveness.
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Affiliation(s)
- Frédéric Gradek
- EA4245 Transplantation, Immunologie, Inflammation; Université de Tours, Tours, France
| | - Osbaldo Lopez-Charcas
- EA4245 Transplantation, Immunologie, Inflammation; Université de Tours, Tours, France
| | - Stéphanie Chadet
- EA4245 Transplantation, Immunologie, Inflammation; Université de Tours, Tours, France
| | - Lucile Poisson
- EA4245 Transplantation, Immunologie, Inflammation; Université de Tours, Tours, France.,Inserm UMR1069, Nutrition, Croissance et Cancer; Université de Tours, Tours, France
| | - Lobna Ouldamer
- Inserm UMR1069, Nutrition, Croissance et Cancer; Université de Tours, Tours, France.,CHRU de Tours, Tours, France
| | - Caroline Goupille
- Inserm UMR1069, Nutrition, Croissance et Cancer; Université de Tours, Tours, France.,CHRU de Tours, Tours, France
| | - Marie-Lise Jourdan
- Inserm UMR1069, Nutrition, Croissance et Cancer; Université de Tours, Tours, France.,CHRU de Tours, Tours, France
| | - Stéphan Chevalier
- Inserm UMR1069, Nutrition, Croissance et Cancer; Université de Tours, Tours, France
| | - Driffa Moussata
- EA4245 Transplantation, Immunologie, Inflammation; Université de Tours, Tours, France.,CHRU de Tours, Tours, France
| | - Pierre Besson
- Inserm UMR1069, Nutrition, Croissance et Cancer; Université de Tours, Tours, France
| | - Sébastien Roger
- EA4245 Transplantation, Immunologie, Inflammation; Université de Tours, Tours, France. .,Institut Universitaire de France, Paris, France.
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Djamgoz MBA, Fraser SP, Brackenbury WJ. In Vivo Evidence for Voltage-Gated Sodium Channel Expression in Carcinomas and Potentiation of Metastasis. Cancers (Basel) 2019; 11:E1675. [PMID: 31661908 PMCID: PMC6895836 DOI: 10.3390/cancers11111675] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/07/2019] [Accepted: 10/10/2019] [Indexed: 12/16/2022] Open
Abstract
A wide body of evidence suggests that voltage-gated sodium channels (VGSCs) are expressed de novo in several human carcinomas where channel activity promotes a variety of cellular behaviours integral to the metastatic cascade. These include directional motility (including galvanotaxis), pH balance, extracellular proteolysis, and invasion. Contrary to the substantial in vitro data, however, evidence for VGSC involvement in the cancer process in vivo is limited. Here, we critically assess, for the first time, the available in vivo evidence, hierarchically from mRNA level to emerging clinical aspects, including protein-level studies, electrolyte content, animal tests, and clinical imaging. The evidence strongly suggests that different VGSC subtypes (mainly Nav1.5 and Nav1.7) are expressed de novo in human carcinoma tissues and generally parallel the situation in vitro. Consistent with this, tissue electrolyte (sodium) levels, quantified by clinical imaging, are significantly higher in cancer vs. matched non-cancer tissues. These are early events in the acquisition of metastatic potential by the cancer cells. Taken together, the multi-faceted evidence suggests that the VGSC expression has clinical (diagnostic and therapeutic) potential as a prognostic marker, as well as an anti-metastatic target. The distinct advantages offered by the VGSC include especially (1) its embryonic nature, demonstrated most clearly for the predominant neonatal Nav1.5 expression in breast and colon cancer, and (2) the specifically druggable persistent current that VGSCs develop under hypoxic conditions, as in growing tumours, which promotes invasiveness and metastasis.
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Affiliation(s)
- Mustafa B A Djamgoz
- Department of Life Sciences, Neuroscience Solutions to Cancer Research Group, Imperial College London, South Kensington Campus, London SW7 2AZ, UK.
| | - Scott P Fraser
- Department of Life Sciences, Neuroscience Solutions to Cancer Research Group, Imperial College London, South Kensington Campus, London SW7 2AZ, UK.
| | - William J Brackenbury
- Department of Biology and York Biomedical Research Institute, University of York, Heslington, York, YO10 5DD, UK.
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Mao W, Zhang J, Körner H, Jiang Y, Ying S. The Emerging Role of Voltage-Gated Sodium Channels in Tumor Biology. Front Oncol 2019; 9:124. [PMID: 30895169 PMCID: PMC6414428 DOI: 10.3389/fonc.2019.00124] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 02/12/2019] [Indexed: 11/13/2022] Open
Abstract
Voltage-gated sodium channels (VGSCs) are transmembrane proteins which function as gates that control the flux of ions across the cell membrane. They are key ion channels for action potentials in excitable tissues and have important physiological functions. Abnormal function of VGSCs will lead to dysfunction of the body and trigger a variety of diseases. Various studies have demonstrated the participation of VGSCs in the progression of different tumors, such as prostate cancer, cervical cancer, breast cancer, and others, linking VGSC to the invasive capacity of tumor cells. However, it is still unclear whether the VGSC regulate the malignant biological behavior of tumors. Therefore, this paper systematically addresses the latest research progress on VGSCs subunits and tumors and the underlying mechanisms, and it summarizes the potential of VGSCs subunits to serve as potential targets for tumor diagnosis and treatment.
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Affiliation(s)
- Weijia Mao
- Key Laboratory of Oral Disease Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, Hefei, China.,Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Jie Zhang
- Key Laboratory of Oral Disease Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, Hefei, China.,Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Heinrich Körner
- Key Laboratory of Anti-inflammatory and Immunopharmacology, Institute of Clinical Pharmacology, Anhui Medical University, Hefei, China.,Menzies Institute for Medical Research, University of Tasmania, Hobart, TAS, Australia
| | - Yong Jiang
- Key Laboratory of Oral Disease Research of Anhui Province, College & Hospital of Stomatology, Anhui Medical University, Hefei, China
| | - Songcheng Ying
- Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
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Sanchez-Sandoval AL, Gomora JC. Contribution of voltage-gated sodium channel β-subunits to cervical cancer cells metastatic behavior. Cancer Cell Int 2019; 19:35. [PMID: 30814913 PMCID: PMC6377746 DOI: 10.1186/s12935-019-0757-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 02/12/2019] [Indexed: 01/23/2023] Open
Abstract
Background Voltage-gated sodium (NaV) channels are heteromeric proteins consisting of a single pore forming α-subunit associated with one or two auxiliary β-subunits. These channels are classically known for being responsible of action potential generation and propagation in excitable cells; but lately they have been reported as widely expressed and regulated in several human cancer types. We have previously demonstrated the overexpression of NaV1.6 channel in cervical cancer (CeCa) biopsies and primary cultures, and its contribution to cell migration and invasiveness. Here, we investigated the expression of NaV channels β-subunits (NaVβs) in the CeCa cell lines HeLa, SiHa and CaSki, and determined their contribution to cell proliferation, migration and invasiveness. Methods We assessed the expression of NaVβs in CeCa cell lines by performing RT-PCR and western blotting experiments. We also evaluated CeCa cell lines proliferation, migration, and invasion by in vitro assays, both in basal conditions and after inducing changes in NaVβs levels by transfecting specific cDNAs or siRNAs. The potential role of NaVβs in modulating the expression of NaV α-subunits in the plasma membrane of CeCa cells was examined by the patch-clamp whole-cell technique. Furthermore, we investigated the role of NaVβ1 on cell cycle in SiHa cells by flow cytometry. Results We found that the four NaVβs are expressed in the three CeCa cell lines, even in the absence of functional NaV α-subunit expression in the plasma membrane. Functional in vitro assays showed differential roles for NaVβ1 and NaVβ4, the latter as a cell invasiveness repressor and the former as a migration abolisher in CeCa cells. In silico analysis of NaVβ4 expression in cervical tissues corroborated the downregulation of this protein expression in CeCa vs normal cervix, supporting the evidence of NaVβ4’s role as a cell invasiveness repressor. Conclusions Our results contribute to the recent conception about NaVβs as multifunctional proteins involved in cell processes like ion channel regulation, cell adhesion and motility, and even in metastatic cell behaviors. These non-canonical functions of NaVβs are independent of the presence of functional NaV α-subunits in the plasma membrane and might represent a new therapeutic target for the treatment of cervical cancer. Electronic supplementary material The online version of this article (10.1186/s12935-019-0757-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ana Laura Sanchez-Sandoval
- Departamento de Neuropatología Molecular, División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, 04510 Mexico City, Mexico
| | - Juan Carlos Gomora
- Departamento de Neuropatología Molecular, División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, 04510 Mexico City, Mexico
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