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Wang W, Atherton P, Kreft M, te Molder L, van der Poel S, Hoekman L, Celie P, Joosten RP, Fässler R, Perrakis A, Sonnenberg A. Caskin2 is a novel talin- and Abi1-binding protein that promotes cell motility. J Cell Sci 2024; 137:jcs262116. [PMID: 38587458 PMCID: PMC11166458 DOI: 10.1242/jcs.262116] [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: 03/15/2024] [Accepted: 03/19/2024] [Indexed: 04/09/2024] Open
Abstract
Talin (herein referring collectively to talin 1 and 2) couples the actomyosin cytoskeleton to integrins and transmits tension to the extracellular matrix. Talin also interacts with numerous additional proteins capable of modulating the actin-integrin linkage and thus downstream mechanosignaling cascades. Here, we demonstrate that the scaffold protein Caskin2 interacts directly with the R8 domain of talin through its C-terminal LD motif. Caskin2 also associates with the WAVE regulatory complex to promote cell migration in an Abi1-dependent manner. Furthermore, we demonstrate that the Caskin2-Abi1 interaction is regulated by growth factor-induced phosphorylation of Caskin2 on serine 878. In MCF7 and UACC893 cells, which contain an amplification of CASKIN2, Caskin2 localizes in plasma membrane-associated plaques and around focal adhesions in cortical microtubule stabilization complexes. Taken together, our results identify Caskin2 as a novel talin-binding protein that might not only connect integrin-mediated adhesion to actin polymerization but could also play a role in crosstalk between integrins and microtubules.
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Affiliation(s)
- Wei Wang
- Division of Cell Biology, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, The Netherlands
| | - Paul Atherton
- Division of Cell Biology, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, The Netherlands
- Department of Molecular and Clinical Cancer Medicine, Institute of Systems, Molecular and Integrative Biology, The University of Liverpool, Liverpool L69 7BE, UK
| | - Maaike Kreft
- Division of Cell Biology, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, The Netherlands
| | - Lisa te Molder
- Division of Cell Biology, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, The Netherlands
| | - Sabine van der Poel
- Division of Cell Biology, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, The Netherlands
| | - Liesbeth Hoekman
- Proteomics Facility, The Netherlands Cancer Institute, Amsterdam 1066 CX, The Netherlands
| | - Patrick Celie
- Division of Biochemistry, The Netherlands Cancer Institute, Amsterdam 1066 CX, The Netherlands
| | - Robbie P. Joosten
- Division of Biochemistry, The Netherlands Cancer Institute, Amsterdam 1066 CX, The Netherlands
| | - Reinhard Fässler
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, 82152 Martinsried, Germany
| | - Anastassis Perrakis
- Oncode Institute and Division of Biochemistry, The Netherlands Cancer Institute, Amsterdam 1066 CX, The Netherlands
| | - Arnoud Sonnenberg
- Division of Cell Biology, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, The Netherlands
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Lukas F, Matthaeus C, López-Hernández T, Lahmann I, Schultz N, Lehmann M, Puchkov D, Pielage J, Haucke V, Maritzen T. Canonical and non-canonical integrin-based adhesions dynamically interconvert. Nat Commun 2024; 15:2093. [PMID: 38453931 PMCID: PMC10920918 DOI: 10.1038/s41467-024-46381-x] [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: 03/06/2023] [Accepted: 02/22/2024] [Indexed: 03/09/2024] Open
Abstract
Adhesions are critical for anchoring cells in their environment, as signaling platforms and for cell migration. In line with these diverse functions different types of cell-matrix adhesions have been described. Best-studied are the canonical integrin-based focal adhesions. In addition, non-canonical integrin adhesions lacking focal adhesion proteins have been discovered. These include reticular adhesions also known as clathrin plaques or flat clathrin lattices, that are enriched in clathrin and other endocytic proteins, as well as extensive adhesion networks and retraction fibers. How these different adhesion types that share a common integrin backbone are related and whether they can interconvert is unknown. Here, we identify the protein stonin1 as a marker for non-canonical αVβ5 integrin-based adhesions and demonstrate by live cell imaging that canonical and non-canonical adhesions can reciprocally interconvert by the selective exchange of components on a stable αVβ5 integrin scaffold. Hence, non-canonical adhesions can serve as points of origin for the generation of canonical focal adhesions.
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Affiliation(s)
- Fabian Lukas
- Department for Nanophysiology, RPTU Kaiserslautern-Landau, Paul-Ehrlich-Straße 23, 67663, Kaiserslautern, Germany
- Membrane Traffic and Cell Motility Group, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Robert-Roessle-Straße 10, 13125, Berlin, Germany
| | - Claudia Matthaeus
- Biochemistry and Biophysics Center, National Heart, Lung, and Blood Institute, National Institutes of Health, 50 South Drive, Building 50, Bethesda, MD, 20892, USA
- Department for Molecular Pharmacology and Cell Biology, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Robert-Roessle-Straße 10, 13125, Berlin, Germany
| | - Tania López-Hernández
- Department for Molecular Pharmacology and Cell Biology, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Robert-Roessle-Straße 10, 13125, Berlin, Germany
| | - Ines Lahmann
- Developmental Biology/Signal Transduction Group, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Robert-Rössle-Straße 10, 13125, Berlin, Germany
| | - Nicole Schultz
- Department for Nanophysiology, RPTU Kaiserslautern-Landau, Paul-Ehrlich-Straße 23, 67663, Kaiserslautern, Germany
| | - Martin Lehmann
- Cellular Imaging Facility, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Robert-Roessle-Straße 10, 13125, Berlin, Germany
| | - Dmytro Puchkov
- Cellular Imaging Facility, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Robert-Roessle-Straße 10, 13125, Berlin, Germany
| | - Jan Pielage
- Department for Zoology and Neurobiology, RPTU Kaiserslautern-Landau, Erwin-Schrödinger-Straße 13, 67663, Kaiserslautern, Germany
| | - Volker Haucke
- Department for Molecular Pharmacology and Cell Biology, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Robert-Roessle-Straße 10, 13125, Berlin, Germany
- Faculty of Biology, Chemistry, Pharmacy, Freie Universität Berlin, 14195, Berlin, Germany
- NeuroCure Cluster of Excellence, Charité Universitätsmedizin Berlin, 10117, Berlin, Germany
| | - Tanja Maritzen
- Department for Nanophysiology, RPTU Kaiserslautern-Landau, Paul-Ehrlich-Straße 23, 67663, Kaiserslautern, Germany.
- Membrane Traffic and Cell Motility Group, Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Robert-Roessle-Straße 10, 13125, Berlin, Germany.
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Talajić A, Dominko K, Lončarić M, Ambriović-Ristov A, Ćetković H. The ancestral type of the R-RAS protein has oncogenic potential. Cell Mol Biol Lett 2024; 29:27. [PMID: 38383288 PMCID: PMC10882905 DOI: 10.1186/s11658-024-00546-0] [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: 10/06/2023] [Accepted: 02/05/2024] [Indexed: 02/23/2024] Open
Abstract
BACKGROUND The R-RAS2 is a small GTPase highly similar to classical RAS proteins at the regulatory and signaling levels. The high evolutionary conservation of R-RAS2, its links to basic cellular processes and its role in cancer, make R-RAS2 an interesting research topic. To elucidate the evolutionary history of R-RAS proteins, we investigated and compared structural and functional properties of ancestral type R-RAS protein with human R-RAS2. METHODS Bioinformatics analysis were used to elucidate the evolution of R-RAS proteins. Intrinsic GTPase activity of purified human and sponge proteins was analyzed with GTPase-GloTM Assay kit. The cell model consisted of human breast cancer cell lines MCF-7 and MDA-MB-231 transiently transfected with EsuRRAS2-like or HsaRRAS2. Biological characterization of R-RAS2 proteins was performed by Western blot on whole cell lysates or cell adhesion protein isolates, immunofluorescence and confocal microscopy, MTT test, colony formation assay, wound healing and Boyden chamber migration assays. RESULTS We found that the single sponge R-RAS2-like gene/protein probably reflects the properties of the ancestral R-RAS protein that existed prior to duplications during the transition to Bilateria, and to Vertebrata. Biochemical characterization of sponge and human R-RAS2 showed that they have the same intrinsic GTPase activity and RNA binding properties. By testing cell proliferation, migration and colony forming efficiency in MDA-MB-231 human breast cancer cells, we showed that the ancestral type of the R-RAS protein, sponge R-RAS2-like, enhances their oncogenic potential, similar to human R-RAS2. In addition, sponge and human R-RAS2 were not found in focal adhesions, but both homologs play a role in their regulation by increasing talin1 and vinculin. CONCLUSIONS This study suggests that the ancestor of all animals possessed an R-RAS2-like protein with oncogenic properties similar to evolutionarily more recent versions of the protein, even before the appearance of true tissue and the origin of tumors. Therefore, we have unraveled the evolutionary history of R-RAS2 in metazoans and improved our knowledge of R-RAS2 properties, including its structure, regulation and function.
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Affiliation(s)
- Antea Talajić
- Laboratory for Molecular Genetics, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Kristina Dominko
- Laboratory for Molecular Genetics, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Marija Lončarić
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Andreja Ambriović-Ristov
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Helena Ćetković
- Laboratory for Molecular Genetics, Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia.
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Cresens C, Solís-Fernández G, Tiwari A, Nuyts R, Hofkens J, Barderas R, Rocha S. Flat clathrin lattices are linked to metastatic potential in colorectal cancer. iScience 2023; 26:107327. [PMID: 37539031 PMCID: PMC10393769 DOI: 10.1016/j.isci.2023.107327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 06/09/2023] [Accepted: 07/05/2023] [Indexed: 08/05/2023] Open
Abstract
Clathrin assembles at the cells' plasma membrane in a multitude of clathrin-coated structures (CCSs). Among these are flat clathrin lattices (FCLs), alternative clathrin structures that have been found in specific cell types, including cancer cells. Here we show that these structures are also present in different colorectal cancer (CRC) cell lines, and that they are extremely stable with lifetimes longer than 8 h. By combining cell models representative of CRC metastasis with advanced fluorescence imaging and analysis, we discovered that the metastatic potential of CRC is associated with an aberrant membranous clathrin distribution, resulting in a higher prevalence of FCLs in cells with a higher metastatic potential. These findings suggest that clathrin organization might play an important yet unexplored role in cancer metastasis.
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Affiliation(s)
- Charlotte Cresens
- Molecular Imaging and Photonics Division, Chemistry Department, Faculty of Sciences, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
| | - Guillermo Solís-Fernández
- Molecular Imaging and Photonics Division, Chemistry Department, Faculty of Sciences, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
- Chronic Disease Programme, UFIEC, Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Astha Tiwari
- Molecular Imaging and Photonics Division, Chemistry Department, Faculty of Sciences, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
| | - Rik Nuyts
- Molecular Imaging and Photonics Division, Chemistry Department, Faculty of Sciences, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
| | - Johan Hofkens
- Molecular Imaging and Photonics Division, Chemistry Department, Faculty of Sciences, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
- Department of Molecular Spectroscopy, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Rodrigo Barderas
- Chronic Disease Programme, UFIEC, Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Susana Rocha
- Molecular Imaging and Photonics Division, Chemistry Department, Faculty of Sciences, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
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Hakanpää L, Abouelezz A, Lenaerts AS, Culfa S, Algie M, Bärlund J, Katajisto P, McMahon H, Almeida-Souza L. Reticular adhesions are assembled at flat clathrin lattices and opposed by active integrin α5β1. J Cell Biol 2023; 222:e202303107. [PMID: 37233325 PMCID: PMC10225744 DOI: 10.1083/jcb.202303107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/03/2023] [Accepted: 05/15/2023] [Indexed: 05/27/2023] Open
Abstract
Reticular adhesions (RAs) consist of integrin αvβ5 and harbor flat clathrin lattices (FCLs), long-lasting structures with similar molecular composition as clathrin-mediated endocytosis (CME) carriers. Why FCLs and RAs colocalize is not known. Here, we show that RAs are assembled at FCLs in a process controlled by fibronectin (FN) and its receptor, integrin α5β1. We observed that cells on FN-rich matrices displayed fewer FCLs and RAs. CME machinery inhibition abolished RAs and live-cell imaging showed that RA establishment requires FCL coassembly. The inhibitory activity of FN was mediated by the activation of integrin α5β1 at Tensin1-positive fibrillar adhesions. Conventionally, endocytosis disassembles cellular adhesions by internalizing their components. Our results present a novel paradigm in the relationship between these two processes by showing that endocytic proteins can actively function in the assembly of cell adhesions. Furthermore, we show this novel adhesion assembly mechanism is coupled to cell migration via unique crosstalk between cell-matrix adhesions.
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Affiliation(s)
- Laura Hakanpää
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Amr Abouelezz
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - An-Sofie Lenaerts
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Seyda Culfa
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Michael Algie
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
| | - Jenny Bärlund
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Pekka Katajisto
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | | | - Leonardo Almeida-Souza
- Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
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6
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Coló GP, Seiwert A, Haga RB. Lfc subcellular localization and activity is controlled by αv-class integrin. J Cell Sci 2023; 136:307374. [PMID: 37129180 DOI: 10.1242/jcs.260740] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 03/31/2023] [Indexed: 05/03/2023] Open
Abstract
Fibronectin (FN)-binding integrins control a variety of cellular responses through Rho GTPases. The FN-binding integrins, αvβ3 and α5β1, are known to induce different effects on cell morphology and motility. Here, we report that FN-bound αvβ3 integrin, but not FN-bound α5β1 integrin, triggers the dissociation of the RhoA GEF Lfc (also known as GEF-H1 and ARHGEF2 in humans) from microtubules (MTs), leading to the activation of RhoA, formation of stress fibres and maturation of focal adhesions (FAs). Conversely, loss of Lfc expression decreases RhoA activity, stress fibre formation and FA size, suggesting that Lfc is the major GEF downstream of FN-bound αvβ3 that controls RhoA activity. Mechanistically, FN-engaged αvβ3 integrin activates a kinase cascade involving MARK2 and MARK3, which in turn leads to phosphorylation of several phospho-sites on Lfc. In particular, S151 was identified as the main site involved in the regulation of Lfc localization and activity. Our findings indicate that activation of Lfc and RhoA is orchestrated in FN-adherent cells in an integrin-specific manner.
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Affiliation(s)
- Georgina P Coló
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, Am Klopferspitz 18, 82152, Martinsried, Germany
| | - Andrea Seiwert
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, Am Klopferspitz 18, 82152, Martinsried, Germany
| | - Raquel B Haga
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, Am Klopferspitz 18, 82152, Martinsried, Germany
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