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Shoji KF, Bayet E, Leverrier-Penna S, Le Devedec D, Mallavialle A, Marionneau-Lambot S, Rambow F, Perret R, Joussaume A, Viel R, Fautrel A, Khammari A, Constantin B, Tartare-Deckert S, Penna A. The mechanosensitive TRPV2 calcium channel promotes human melanoma invasiveness and metastatic potential. EMBO Rep 2023; 24:e55069. [PMID: 36744297 PMCID: PMC10074106 DOI: 10.15252/embr.202255069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 12/21/2022] [Accepted: 01/10/2023] [Indexed: 02/07/2023] Open
Abstract
Melanoma is a highly aggressive cancer endowed with a unique capacity of rapidly metastasizing, which is fundamentally driven by aberrant cell motility behaviors. Discovering "migrastatics" targets, specifically controlling invasion and dissemination of melanoma cells during metastasis, is therefore of primary importance. Here, we uncover the prominent expression of the plasma membrane TRPV2 calcium channel as a distinctive feature of melanoma tumors, directly related to melanoma metastatic dissemination. In vitro as well as in vivo, TRPV2 activity is sufficient to confer both migratory and invasive potentials, while conversely TRPV2 silencing in highly metastatic melanoma cells prevents aggressive behavior. In invasive melanoma cells, TRPV2 channel localizes at the leading edge, in dynamic nascent adhesions, and regulates calcium-mediated activation of calpain and the ensuing cleavage of the adhesive protein talin, along with F-actin organization. In human melanoma tissues, TRPV2 overexpression correlates with advanced malignancy and poor prognosis, evoking a biomarker potential. Hence, by regulating adhesion and motility, the mechanosensitive TRPV2 channel controls melanoma cell invasiveness, highlighting a new therapeutic option for migrastatics in the treatment of metastatic melanoma.
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Affiliation(s)
- Kenji F Shoji
- Inserm, EHESP, IRSET, UMR_S 1085, Université de Rennes 1, Rennes, France
| | - Elsa Bayet
- Inserm, EHESP, IRSET, UMR_S 1085, Université de Rennes 1, Rennes, France.,CNRS, 4CS, Université de Poitiers, Poitiers, France
| | | | - Dahiana Le Devedec
- Inserm, EHESP, IRSET, UMR_S 1085, Université de Rennes 1, Rennes, France
| | - Aude Mallavialle
- INSERM, C3M, team 'labellisée Ligue Contre le Cancer 2022, Université Côte d'Azur, Nice, France
| | | | - Florian Rambow
- Department of Applied Computational Cancer Research, Institute for AI in Medicine (IKIM), University Hospital Essen, Essen, Germany.,University of Duisburg-Essen, Essen, Germany.,German Cancer Consortium (DKTK), Partner Site Essen, Essen, Germany
| | - Raul Perret
- Service de Dermatologie, CHU Nantes, CIC 1413, INSERM, Immunology and New Concepts in ImmunoTherapy, INCIT, UMR 1302, Nantes Université, Nantes, France
| | - Aurélie Joussaume
- Inserm, EHESP, IRSET, UMR_S 1085, Université de Rennes 1, Rennes, France
| | - Roselyne Viel
- CNRS, Inserm UMS Biosit, H2P2 Core Facility, Université de Rennes 1, Rennes, France
| | - Alain Fautrel
- CNRS, Inserm UMS Biosit, H2P2 Core Facility, Université de Rennes 1, Rennes, France
| | - Amir Khammari
- Service de Dermatologie, CHU Nantes, CIC 1413, INSERM, Immunology and New Concepts in ImmunoTherapy, INCIT, UMR 1302, Nantes Université, Nantes, France
| | | | - Sophie Tartare-Deckert
- INSERM, C3M, team 'labellisée Ligue Contre le Cancer 2022, Université Côte d'Azur, Nice, France
| | - Aubin Penna
- Inserm, EHESP, IRSET, UMR_S 1085, Université de Rennes 1, Rennes, France.,CNRS, 4CS, Université de Poitiers, Poitiers, France
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Girardot M, Bayet E, Maurin J, Fort P, Roux P, Raynaud P. SOX9 has distinct regulatory roles in alternative splicing and transcription. Nucleic Acids Res 2019; 46:9106-9118. [PMID: 29901772 PMCID: PMC6158501 DOI: 10.1093/nar/gky553] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 06/07/2018] [Indexed: 11/30/2022] Open
Abstract
SOX9 is known as a crucial transcription factor for various developmental processes and for tissue homeostasis. We examined here its potential role in alternative splicing by analyzing global splicing changes, using RNA-seq of colon tumor cells. We show that SOX9 knockdown alters the splicing of hundreds of genes without affecting their expression levels, revealing that SOX9 controls distinct splicing and transcriptional programs. SOX9 does not affect splicing patterns through the control of splicing factors expression. We identify mutants that uncouple SOX9 splicing function from its transcriptional activity. We demonstrate that SOX9 binds to RNA and associates with several RNA-binding proteins, including the core exon junction complex component Y14. Half of SOX9 splicing targets are also modulated by Y14 and are no longer regulated by SOX9 upon Y14 depletion. Altogether, our work reveals that SOX9 is a moonlighting protein which modulates either transcription or splicing of distinct sets of targets.
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Affiliation(s)
- Michael Girardot
- IGMM, CNRS, University of Montpellier, 34293 Montpellier CEDEX 5, France
| | - Elsa Bayet
- CRBM, CNRS, University of Montpellier, 34293 Montpellier CEDEX 5, France
| | - Justine Maurin
- CRBM, CNRS, University of Montpellier, 34293 Montpellier CEDEX 5, France
| | - Philippe Fort
- CRBM, CNRS, University of Montpellier, 34293 Montpellier CEDEX 5, France
| | - Pierre Roux
- CRBM, CNRS, University of Montpellier, 34293 Montpellier CEDEX 5, France
| | - Peggy Raynaud
- CRBM, CNRS, University of Montpellier, 34293 Montpellier CEDEX 5, France
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Grillet F, Bayet E, Villeronce O, Zappia L, Lagerqvist EL, Lunke S, Charafe-Jauffret E, Pham K, Molck C, Rolland N, Bourgaux JF, Prudhomme M, Philippe C, Bravo S, Boyer JC, Canterel-Thouennon L, Taylor GR, Hsu A, Pascussi JM, Hollande F, Pannequin J. Circulating tumour cells from patients with colorectal cancer have cancer stem cell hallmarks in ex vivo culture. Gut 2017; 66:1802-1810. [PMID: 27456153 PMCID: PMC5595103 DOI: 10.1136/gutjnl-2016-311447] [Citation(s) in RCA: 142] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 06/20/2016] [Accepted: 06/22/2016] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Although counting of circulating tumour cells (CTC) has attracted a broad interest as potential markers of tumour progression and treatment response, the lack of functional characterisation of these cells had become a bottleneck in taking these observations to the clinic. Our objective was to culture these cells in order to understand them and exploit their therapeutic potential to the full. DESIGN Here, hypothesising that some CTC potentially have cancer stem cell (CSC) phenotype, we generated several CTC lines from the blood of patients with advanced metastatic colorectal cancer (CRC) based on their self-renewal abilities. Multiple standard tests were then employed to characterise these cells. RESULTS Our CTC lines self-renew, express CSC markers and have multilineage differentiation ability, both in vitro and in vivo. Patient-derived CTC lines are tumorigenic in subcutaneous xenografts and are also able to colonise the liver after intrasplenic injection. RNA sequencing analyses strikingly demonstrate that drug metabolising pathways represent the most upregulated feature among CTC lines in comparison with primary CRC cells grown under similar conditions. This result is corroborated by the high resistance of the CTC lines to conventional cytotoxic compounds. CONCLUSIONS Taken together, our results directly demonstrate the existence of patient-derived colorectal CTCs that bear all the functional attributes of CSCs. The CTC culture model described here is simple and takes <1 month from blood collection to drug testing, therefore, routine clinical application could facilitate access to personalised medicine. CLINICAL TRIAL REGISTRATION ClinicalTrial.gov NCT01577511.
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Affiliation(s)
- Fanny Grillet
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique Fonctionnelle, Montpellier, France,Institut National de la Santé et de la Recherche Médicale, U661, Montpellier, France,Université de Montpellier, UMR5203, Montpellier, France
| | - Elsa Bayet
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique Fonctionnelle, Montpellier, France,Institut National de la Santé et de la Recherche Médicale, U661, Montpellier, France,Université de Montpellier, UMR5203, Montpellier, France
| | - Olivia Villeronce
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique Fonctionnelle, Montpellier, France,Institut National de la Santé et de la Recherche Médicale, U661, Montpellier, France,Université de Montpellier, UMR5203, Montpellier, France
| | - Luke Zappia
- Department of Pathology, University of Melbourne, Parkville, Victoria, Australia
| | - Ebba Louise Lagerqvist
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique Fonctionnelle, Montpellier, France,Institut National de la Santé et de la Recherche Médicale, U661, Montpellier, France,Université de Montpellier, UMR5203, Montpellier, France
| | - Sebastian Lunke
- Department of Pathology, University of Melbourne, Parkville, Victoria, Australia
| | | | - Kym Pham
- Department of Pathology, University of Melbourne, Parkville, Victoria, Australia,Center for Translational Pathology, The University of Melbourne, Parkville, Victoria, Australia
| | - Christina Molck
- Department of Pathology, University of Melbourne, Parkville, Victoria, Australia
| | | | | | | | | | - Sophie Bravo
- Laboratoire de Biochimie, CHU Carémeau, Nîmes, France
| | | | | | - Graham Roy Taylor
- Department of Pathology, University of Melbourne, Parkville, Victoria, Australia
| | - Arthur Hsu
- Department of Pathology, University of Melbourne, Parkville, Victoria, Australia
| | - Jean Marc Pascussi
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique Fonctionnelle, Montpellier, France,Institut National de la Santé et de la Recherche Médicale, U661, Montpellier, France,Université de Montpellier, UMR5203, Montpellier, France
| | - Frédéric Hollande
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique Fonctionnelle, Montpellier, France,Institut National de la Santé et de la Recherche Médicale, U661, Montpellier, France,Université de Montpellier, UMR5203, Montpellier, France,Department of Pathology, University of Melbourne, Parkville, Victoria, Australia
| | - Julie Pannequin
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique Fonctionnelle, Montpellier, France,Institut National de la Santé et de la Recherche Médicale, U661, Montpellier, France,Université de Montpellier, UMR5203, Montpellier, France
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Mignen O, Constantin B, Potier-Cartereau M, Penna A, Gautier M, Guéguinou M, Renaudineau Y, Shoji KF, Félix R, Bayet E, Buscaglia P, Debant M, Chantôme A, Vandier C. Constitutive calcium entry and cancer: updated views and insights. Eur Biophys J 2017; 46:395-413. [PMID: 28516266 DOI: 10.1007/s00249-017-1216-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 03/10/2017] [Accepted: 04/26/2017] [Indexed: 12/20/2022]
Abstract
Tight control of basal cytosolic Ca2+ concentration is essential for cell survival and to fine-tune Ca2+-dependent cell functions. A way to control this basal cytosolic Ca2+ concentration is to regulate membrane Ca2+ channels including store-operated Ca2+ channels and secondary messenger-operated channels linked to G-protein-coupled or tyrosine kinase receptor activation. Orai, with or without its reticular STIM partner and Transient Receptor Potential (TRP) proteins, were considered to be the main Ca2+ channels involved. It is well accepted that, in response to cell stimulation, opening of these Ca2+ channels contributes to Ca2+ entry and the transient increase in cytosolic Ca2+ concentration involved in intracellular signaling. However, in various experimental conditions, Ca2+ entry and/or Ca2+ currents can be recorded at rest, without application of any experimental stimulation. This led to the proposition that some plasma membrane Ca2+ channels are already open/activated in basal condition, contributing therefore to constitutive Ca2+ entry. This article focuses on direct and indirect observations supporting constitutive activity of channels belonging to the Orai and TRP families and on the mechanisms underlying their basal/constitutive activities.
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Affiliation(s)
- Olivier Mignen
- Inserm UMR 1078 IFR148 Université de Bretagne Occidentale, Brest, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Bruno Constantin
- STIM, ERL 7368 CNRS Université de Poitiers, Poitiers, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Marie Potier-Cartereau
- Inserm/University of Tours U1069, Nutrition-Croissance et Cancer (N2C), 37032, Tours, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Aubin Penna
- IRSET, Inserm U1085, University of Rennes 1, 36043, Rennes, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Mathieu Gautier
- EA4667, Université de Picardie Jules Verne, 80039, Amiens, France
| | - Maxime Guéguinou
- Inserm/University of Tours U1069, Nutrition-Croissance et Cancer (N2C), 37032, Tours, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Yves Renaudineau
- EA 2216, Inserm ESPRI, ERI 29, Brest, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Kenji F Shoji
- IRSET, Inserm U1085, University of Rennes 1, 36043, Rennes, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Romain Félix
- Inserm/University of Tours U1069, Nutrition-Croissance et Cancer (N2C), 37032, Tours, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Elsa Bayet
- STIM, ERL 7368 CNRS Université de Poitiers, Poitiers, France
- IRSET, Inserm U1085, University of Rennes 1, 36043, Rennes, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Paul Buscaglia
- Inserm UMR 1078 IFR148 Université de Bretagne Occidentale, Brest, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Marjolaine Debant
- Inserm UMR 1078 IFR148 Université de Bretagne Occidentale, Brest, France
- EA 2216, Inserm ESPRI, ERI 29, Brest, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Aurélie Chantôme
- Inserm/University of Tours U1069, Nutrition-Croissance et Cancer (N2C), 37032, Tours, France
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France
| | - Christophe Vandier
- Inserm/University of Tours U1069, Nutrition-Croissance et Cancer (N2C), 37032, Tours, France.
- Network "Ion Channels and Cancer-Canceropôle Grand Ouest", (IC-CGO), Grand Ouest, France.
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Bayet E, Huet F, Keddam M, Ogle K, Takenouti H. Local electrochemical impedance measurement: scanning vibrating electrode technique in ac mode. Electrochim Acta 1999. [DOI: 10.1016/s0013-4686(99)00126-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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