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Folcher, Antoine; Gordienko, Dmitri; Iamshanova, Oksana; Bokhobza, Alexandre; Shapovalov, George; Kannancheri‐Puthooru, Dheeraj; Mariot, Pascal; Allart, Laurent; Desruelles, Emilie; Spriet, Corentin; Diez, Raquel; Oullier, Thibauld; Marionneau‐Lambot, Séverine; Brisson, Lucie; Geraci, Sandra; Impheng, Hathaichanok; Lehen'kyi, V'yacheslav; Haustrate, Aurélien; Mihalache, Adriana; Gosset, Pierre; Chadet, Stéphanie; Retif, Stéphanie; Laube, Maryline; Sobilo, Julien; [...]

NALCN‐mediated sodium influx confers metastatic prostate cancer cell invasiveness

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  • Medientyp: E-Artikel
  • Titel: NALCN‐mediated sodium influx confers metastatic prostate cancer cell invasiveness
  • Beteiligte: Folcher, Antoine; Gordienko, Dmitri; Iamshanova, Oksana; Bokhobza, Alexandre; Shapovalov, George; Kannancheri‐Puthooru, Dheeraj; Mariot, Pascal; Allart, Laurent; Desruelles, Emilie; Spriet, Corentin; Diez, Raquel; Oullier, Thibauld; Marionneau‐Lambot, Séverine; Brisson, Lucie; Geraci, Sandra; Impheng, Hathaichanok; Lehen'kyi, V'yacheslav; Haustrate, Aurélien; Mihalache, Adriana; Gosset, Pierre; Chadet, Stéphanie; Retif, Stéphanie; Laube, Maryline; Sobilo, Julien; [...]
  • Erschienen: Springer Science and Business Media LLC, 2023
  • Erschienen in: The EMBO Journal, 42 (2023) 13
  • Sprache: Englisch
  • DOI: 10.15252/embj.2022112198
  • ISSN: 0261-4189; 1460-2075
  • Schlagwörter: General Immunology and Microbiology ; General Biochemistry, Genetics and Molecular Biology ; Molecular Biology ; General Neuroscience
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  • Beschreibung: <jats:title>Abstract</jats:title><jats:p>There is growing evidence that ion channels are critically involved in cancer cell invasiveness and metastasis. However, the molecular mechanisms of ion signaling promoting cancer behavior are poorly understood and the complexity of the underlying remodeling during metastasis remains to be explored. Here, using a variety of <jats:italic>in vitro</jats:italic> and <jats:italic>in vivo</jats:italic> techniques, we show that metastatic prostate cancer cells acquire a specific Na<jats:sup>+</jats:sup>/Ca<jats:sup>2+</jats:sup> signature required for persistent invasion. We identify the Na<jats:sup>+</jats:sup> leak channel, NALCN, which is overexpressed in metastatic prostate cancer, as a major initiator and regulator of Ca<jats:sup>2+</jats:sup> oscillations required for invadopodia formation. Indeed, NALCN‐mediated Na<jats:sup>+</jats:sup> influx into cancer cells maintains intracellular Ca<jats:sup>2+</jats:sup> oscillations via a specific chain of ion transport proteins including plasmalemmal and mitochondrial Na<jats:sup>+</jats:sup>/Ca<jats:sup>2+</jats:sup> exchangers, SERCA and store‐operated channels. This signaling cascade promotes activity of the NACLN‐colocalized proto‐oncogene Src kinase, actin remodeling and secretion of proteolytic enzymes, thus increasing cancer cell invasive potential and metastatic lesions <jats:italic>in vivo</jats:italic>. Overall, our findings provide new insights into an ion signaling pathway specific for metastatic cells where NALCN acts as persistent invasion controller.</jats:p>