1
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Martínez-Cenalmor P, Martínez AE, Moneo-Corcuera D, González-Jiménez P, Pérez-Sala D. Oxidative stress elicits the remodeling of vimentin filaments into biomolecular condensates. Redox Biol 2024; 75:103282. [PMID: 39079387 PMCID: PMC11338992 DOI: 10.1016/j.redox.2024.103282] [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: 07/02/2024] [Revised: 07/21/2024] [Accepted: 07/21/2024] [Indexed: 08/23/2024] Open
Abstract
The intermediate filament protein vimentin performs an essential role in cytoskeletal interplay and dynamics, mechanosensing and cellular stress responses. In pathology, vimentin is a key player in tumorigenesis, fibrosis and infection. Vimentin filaments undergo distinct and versatile reorganizations, and behave as redox sensors. The vimentin monomer possesses a central α-helical rod domain flanked by N- and C-terminal low complexity domains. Interactions between this type of domains play an important function in the formation of phase-separated biomolecular condensates, which in turn are critical for the organization of cellular components. Here we show that several oxidants, including hydrogen peroxide and diamide, elicit the remodeling of vimentin filaments into small particles. Oxidative stress elicited by diamide induces a fast dissociation of filaments into circular, motile dots, which requires the presence of the single vimentin cysteine residue, C328. This effect is reversible, and filament reassembly can occur within minutes of oxidant removal. Diamide-elicited vimentin droplets recover fluorescence after photobleaching. Moreover, fusion of cells expressing differentially tagged vimentin allows the detection of dots positive for both tags, indicating that vimentin dots merge upon cell fusion. The aliphatic alcohol 1,6-hexanediol, known to alter interactions between low complexity domains, readily dissolves diamide-elicited vimentin dots at low concentrations, in a C328 dependent manner, and hampers reassembly. Taken together, these results indicate that vimentin oxidation promotes a fast and reversible filament remodeling into biomolecular condensate-like structures, and provide primary evidence of its regulated phase separation. Moreover, we hypothesize that filament to droplet transition could play a protective role against irreversible damage of the vimentin network by oxidative stress.
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Affiliation(s)
- Paula Martínez-Cenalmor
- Department of Cellular and Molecular Biosciences, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040, Madrid, Spain
| | - Alma E Martínez
- Department of Cellular and Molecular Biosciences, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040, Madrid, Spain
| | - Diego Moneo-Corcuera
- Department of Cellular and Molecular Biosciences, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040, Madrid, Spain
| | - Patricia González-Jiménez
- Department of Cellular and Molecular Biosciences, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040, Madrid, Spain
| | - Dolores Pérez-Sala
- Department of Cellular and Molecular Biosciences, Centro de Investigaciones Biológicas Margarita Salas, CSIC, 28040, Madrid, Spain.
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2
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Pradeau-Phélut L, Etienne-Manneville S. Cytoskeletal crosstalk: A focus on intermediate filaments. Curr Opin Cell Biol 2024; 87:102325. [PMID: 38359728 DOI: 10.1016/j.ceb.2024.102325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/05/2024] [Accepted: 01/07/2024] [Indexed: 02/17/2024]
Abstract
The cytoskeleton, comprising actin microfilaments, microtubules, and intermediate filaments, is crucial for cell motility and tissue integrity. While prior studies largely focused on individual cytoskeletal networks, recent research underscores the interconnected nature of these systems in fundamental cellular functions like adhesion, migration, and division. Understanding the coordination of these distinct networks in both time and space is essential. This review synthesizes current findings on the intricate interplay between these networks, emphasizing the pivotal role of intermediate filaments. Notably, these filaments engage in extensive crosstalk with microfilaments and microtubules through direct molecular interactions, cytoskeletal linkers, and molecular motors that form molecular bridges, as well as via more complex regulation of intracellular signaling.
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Affiliation(s)
- Lucas Pradeau-Phélut
- Cell Polarity, Migration and Cancer Unit, Institut Pasteur - CNRS UMR 3691, Université Paris-Cité, Équipe Labellisée Ligue Nationale Contre le Cancer 2023, 25 rue du Docteur Roux, F-75015, Paris, France; Sorbonne Université, Collège Doctoral, 4 place Jussieu, F-75005 Paris, France
| | - Sandrine Etienne-Manneville
- Cell Polarity, Migration and Cancer Unit, Institut Pasteur - CNRS UMR 3691, Université Paris-Cité, Équipe Labellisée Ligue Nationale Contre le Cancer 2023, 25 rue du Docteur Roux, F-75015, Paris, France.
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3
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Coelho-Rato LS, Parvanian S, Modi MK, Eriksson JE. Vimentin at the core of wound healing. Trends Cell Biol 2024; 34:239-254. [PMID: 37748934 DOI: 10.1016/j.tcb.2023.08.004] [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: 05/10/2023] [Revised: 08/25/2023] [Accepted: 08/25/2023] [Indexed: 09/27/2023]
Abstract
As a member of the large family of intermediate filaments (IFs), vimentin has emerged as a highly dynamic and versatile cytoskeletal protein involved in many key processes of wound healing. It is well established that vimentin is involved in epithelial-mesenchymal transition (EMT) during wound healing and metastasis, during which epithelial cells acquire more dynamic and motile characteristics. Moreover, vimentin participates in multiple cellular activities supporting growth, proliferation, migration, cell survival, and stress resilience. Here, we explore the role of vimentin at each phase of wound healing, with focus on how it integrates different signaling pathways and protects cells in the fluctuating and challenging environments that characterize a healing tissue.
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Affiliation(s)
- Leila S Coelho-Rato
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, 20520 Turku, Finland; Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, 20520 Turku, Finland
| | - Sepideh Parvanian
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, 20520 Turku, Finland; Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, 20520 Turku, Finland; Center for Systems Biology, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, MA 02114, USA
| | - Mayank Kumar Modi
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, 20520 Turku, Finland; Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, 20520 Turku, Finland
| | - John E Eriksson
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, 20520 Turku, Finland; Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, 20520 Turku, Finland; Euro-Bioimaging ERIC, 20520 Turku, Finland.
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4
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Zholudeva AO, Potapov NS, Kozlova EA, Lomakina ME, Alexandrova AY. Impairment of Assembly of the Vimentin Intermediate Filaments Leads to Suppression of Formation and Maturation of Focal Contacts and Alteration of the Type of Cellular Protrusions. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:184-195. [PMID: 38467554 DOI: 10.1134/s0006297924010127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 12/01/2023] [Accepted: 12/03/2023] [Indexed: 03/13/2024]
Abstract
Cell migration is largely determined by the type of protrusions formed by the cell. Mesenchymal migration is accomplished by formation of lamellipodia and/or filopodia, while amoeboid migration is based on bleb formation. Changing of migrational conditions can lead to alteration in the character of cell movement. For example, inhibition of the Arp2/3-dependent actin polymerization by the CK-666 inhibitor leads to transition from mesenchymal to amoeboid motility mode. Ability of the cells to switch from one type of motility to another is called migratory plasticity. Cellular mechanisms regulating migratory plasticity are poorly understood. One of the factors determining the possibility of migratory plasticity may be the presence and/or organization of vimentin intermediate filaments (VIFs). To investigate whether organization of the VIF network affects the ability of fibroblasts to form membrane blebs, we used rat embryo fibroblasts REF52 with normal VIF organization, fibroblasts with vimentin knockout (REF-/-), and fibroblasts with mutation inhibiting assembly of the full-length VIFs (REF117). Blebs formation was induced by treatment of cells with CK-666. Vimentin knockout did not lead to statistically significant increase in the number of cells with blebs. The fibroblasts with short fragments of vimentin demonstrate the significant increase in number of cells forming blebs both spontaneously and in the presence of CK-666. Disruption of the VIF organization did not lead to the significant changes in the microtubules network or the level of myosin light chain phosphorylation, but caused significant reduction in the focal contact system. The most pronounced and statistically significant decrease in both size and number of focal adhesions were observed in the REF117 cells. We believe that regulation of the membrane blebbing by VIFs is mediated by their effect on the focal adhesion system. Analysis of migration of fibroblasts with different organization of VIFs in a three-dimensional collagen gel showed that organization of VIFs determines the type of cell protrusions, which, in turn, determines the character of cell movement. A novel role of VIFs as a regulator of membrane blebbing, essential for manifestation of the migratory plasticity, is shown.
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Affiliation(s)
- Anna O Zholudeva
- Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, 115478, Russia
| | - Nikolay S Potapov
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - Ekaterina A Kozlova
- Faculty of Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - Maria E Lomakina
- Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, 115478, Russia
| | - Antonina Y Alexandrova
- Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation, Moscow, 115478, Russia.
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5
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Sorichetti V, Lenz M. Transverse Fluctuations Control the Assembly of Semiflexible Filaments. PHYSICAL REVIEW LETTERS 2023; 131:228401. [PMID: 38101392 DOI: 10.1103/physrevlett.131.228401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 10/24/2023] [Indexed: 12/17/2023]
Abstract
The kinetics of the assembly of semiflexible filaments through end-to-end annealing is key to the structure of the cytoskeleton, but is not understood. We analyze this problem through scaling theory and simulations, and uncover a regime where filaments' ends find each other through bending fluctuations without the need for the whole filament to diffuse. This results in a very substantial speedup of assembly in physiological regimes, and could help with understanding the dynamics of actin and intermediate filaments in biological processes such as wound healing and cell division.
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Affiliation(s)
- Valerio Sorichetti
- Institute of Science and Technology Austria, 3400 Klosterneuburg, Austria
- Laboratoire de Physique Théorique et Modèles Statistiques (LPTMS), CNRS, Université Paris-Saclay, F-91405 Orsay, France
| | - Martin Lenz
- Laboratoire de Physique Théorique et Modèles Statistiques (LPTMS), CNRS, Université Paris-Saclay, F-91405 Orsay, France
- PMMH, CNRS, ESPCI Paris, PSL University, Sorbonne Université, Université de Paris, F-75005 Paris, France
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6
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Schwarz N, Leube RE. Plasticity of cytoplasmic intermediate filament architecture determines cellular functions. Curr Opin Cell Biol 2023; 85:102270. [PMID: 37918274 DOI: 10.1016/j.ceb.2023.102270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/26/2023] [Accepted: 10/02/2023] [Indexed: 11/04/2023]
Abstract
Cytoplasmic intermediate filaments endow cells with mechanical stability. They are subject to changes in morphology and composition if needed. This remodeling encompasses entire cells but can also be restricted to specific intracellular regions. Intermediate filaments thereby support spatially and temporally defined cell type-specific functions. This review focuses on recent advances in our understanding of how intermediate filament dynamics affect the underlying regulatory pathways. We will elaborate on the role of intermediate filaments for the formation and maintenance of surface specializations, cell migration, contractility, organelle positioning, nucleus protection, stress responses and axonal conduction velocity. Together, the selected examples highlight the modulatory role of intermediate filament plasticity for multiple cellular functions.
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Affiliation(s)
- Nicole Schwarz
- Institute of Molecular and Cellular Anatomy, RWTH Aachen University, Wendlingweg 2, 52074 Aachen, Germany
| | - Rudolf E Leube
- Institute of Molecular and Cellular Anatomy, RWTH Aachen University, Wendlingweg 2, 52074 Aachen, Germany.
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7
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Grolleman J, van Engeland NCA, Raza M, Azimi S, Conte V, Sahlgren CM, Bouten CVC. Environmental stiffness restores mechanical homeostasis in vimentin-depleted cells. Sci Rep 2023; 13:18374. [PMID: 37884575 PMCID: PMC10603057 DOI: 10.1038/s41598-023-44835-8] [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: 04/25/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023] Open
Abstract
Recent experimental evidence indicates a role for the intermediate filament vimentin in regulating cellular mechanical homeostasis, but its precise contribution remains to be discovered. Mechanical homeostasis requires a balanced bi-directional interplay between the cell's microenvironment and the cellular morphological and mechanical state-this balance being regulated via processes of mechanotransduction and mechanoresponse, commonly referred to as mechanoreciprocity. Here, we systematically analyze vimentin-expressing and vimentin-depleted cells in a swatch of in vitro cellular microenvironments varying in stiffness and/or ECM density. We find that vimentin-expressing cells maintain mechanical homeostasis by adapting cellular morphology and mechanics to micromechanical changes in the microenvironment. However, vimentin-depleted cells lose this mechanoresponse ability on short timescales, only to reacquire it on longer time scales. Indeed, we find that the morphology and mechanics of vimentin-depleted cell in stiffened microenvironmental conditions can get restored to the homeostatic levels of vimentin-expressing cells. Additionally, we observed vimentin-depleted cells increasing collagen matrix synthesis and its crosslinking, a phenomenon which is known to increase matrix stiffness, and which we now hypothesize to be a cellular compensation mechanism for the loss of vimentin. Taken together, our findings provide further insight in the regulating role of intermediate filament vimentin in mediating mechanoreciprocity and mechanical homeostasis.
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Affiliation(s)
- Janine Grolleman
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands
| | - Nicole C A van Engeland
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands
- Faculty of Science and Engineering, Cell Biology, Åbobo Akademi University, 20520, Turku, Finland
| | - Minahil Raza
- Faculty of Science and Engineering, Information Technology, Åbobo Akademi University, 20500, Turku, Finland
| | - Sepinoud Azimi
- Faculty of Science and Engineering, Information Technology, Åbobo Akademi University, 20500, Turku, Finland
- Department of Information and Communication Technology, Technology, Policy and Management, Delft University of Technology, Delft, 2600GA, The Netherlands
| | - Vito Conte
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands.
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands.
- Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, 08036, Barcelona, Spain.
| | - Cecilia M Sahlgren
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands.
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands.
- Faculty of Science and Engineering, Cell Biology, Åbobo Akademi University, 20520, Turku, Finland.
| | - Carlijn V C Bouten
- Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, Eindhoven, 5612AE, The Netherlands.
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600MB, The Netherlands.
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8
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Ostrowska-Podhorodecka Z, Ali A, Norouzi M, Ding I, Abbasi S, Arora PD, Wong THF, Magalhaes M, McCulloch CA. Vimentin-mediated myosin 10 aggregation at tips of cell extensions drives MT1-MMP-dependent collagen degradation in colorectal cancer. FASEB J 2023; 37:e23097. [PMID: 37440280 DOI: 10.1096/fj.202300672r] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/09/2023] [Accepted: 07/03/2023] [Indexed: 07/14/2023]
Abstract
Colorectal cancer (CRC) is a high prevalence adenocarcinoma with progressive increases in metastasis-related mortality, but the mechanisms governing the extracellular matrix (ECM) degradation important for metastasis in CRC are not well-defined. We investigated a functional relationship between vimentin (Vim) and myosin 10 (Myo10), and whether this relationship is associated with cancer progression. We tested the hypothesis that Vim regulates the aggregation of Myo10 at the tips of cell extensions, which increases membrane-type 1 matrix metalloproteinase (MT1-MMP)-associated local collagen proteolysis and ECM degradation. Analysis of CRC samples revealed colocalization of Vim with Myo10 and MT1-MMP in cell extensions adjacent to sites of collagen degradation, suggesting an association with local cell invasion. We analyzed cultured CRC cells and fibroblasts and found that Vim accelerates aggregation of Myo10 at cell tips, which increases the cell extension rate. Vim stabilizes the interaction of Myo10 with MT1-MMP, which in turn increases collagenolysis. Vim depletion reduced the aggregation of Myo10 at the cell extension tips and MT1-MMP-dependent collagenolysis. We propose that Vim interacts with Myo10, which in turn associates with MT1-MMP to facilitate the transport of these molecules to the termini of cell extensions and there enhance cancer invasion of soft connective tissues.
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Affiliation(s)
| | - Aiman Ali
- Oral Pathology and Oral Medicine, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Masoud Norouzi
- Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Isabel Ding
- Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Sevil Abbasi
- Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Pamma D Arora
- Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Timothy H F Wong
- Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Marco Magalhaes
- Oral Pathology and Oral Medicine, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
- Cancer Invasion and Metastasis Laboratory, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
- Dental and Maxillofacial Sciences Department, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
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9
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González-Jiménez P, Duarte S, Martínez AE, Navarro-Carrasco E, Lalioti V, Pajares MA, Pérez-Sala D. Vimentin single cysteine residue acts as a tunable sensor for network organization and as a key for actin remodeling in response to oxidants and electrophiles. Redox Biol 2023; 64:102756. [PMID: 37285743 DOI: 10.1016/j.redox.2023.102756] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 06/09/2023] Open
Abstract
Cysteine residues can undergo multiple posttranslational modifications with diverse functional consequences, potentially behaving as tunable sensors. The intermediate filament protein vimentin has important implications in pathophysiology, including cancer progression, infection, and fibrosis, and maintains a close interplay with other cytoskeletal structures, such as actin filaments and microtubules. We previously showed that the single vimentin cysteine, C328, is a key target for oxidants and electrophiles. Here, we demonstrate that structurally diverse cysteine-reactive agents, including electrophilic mediators, oxidants and drug-related compounds, disrupt the vimentin network eliciting morphologically distinct reorganizations. As most of these agents display broad reactivity, we pinpointed the importance of C328 by confirming that local perturbations introduced through mutagenesis provoke structure-dependent vimentin rearrangements. Thus, GFP-vimentin wild type (wt) forms squiggles and short filaments in vimentin-deficient cells, the C328F, C328W, and C328H mutants generate diverse filamentous assemblies, and the C328A and C328D constructs fail to elongate yielding dots. Remarkably, vimentin C328H structures resemble the wt, but are strongly resistant to electrophile-elicited disruption. Therefore, the C328H mutant allows elucidating whether cysteine-dependent vimentin reorganization influences other cellular responses to reactive agents. Electrophiles such as 1,4-dinitro-1H-imidazole and 4-hydroxynonenal induce robust actin stress fibers in cells expressing vimentin wt. Strikingly, under these conditions, vimentin C328H expression blunts electrophile-elicited stress fiber formation, apparently acting upstream of RhoA. Analysis of additional vimentin C328 mutants shows that electrophile-sensitive and assembly-defective vimentin variants permit induction of stress fibers by reactive species, whereas electrophile-resistant filamentous vimentin structures prevent it. Together, our results suggest that vimentin acts as a break for actin stress fibers formation, which would be released by C328-aided disruption, thus allowing full actin remodeling in response to oxidants and electrophiles. These observations postulate C328 as a "sensor" transducing structurally diverse modifications into fine-tuned vimentin network rearrangements, and a gatekeeper for certain electrophiles in the interplay with actin.
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Affiliation(s)
- Patricia González-Jiménez
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, C.S.I.C., 28040, Madrid, Spain
| | - Sofia Duarte
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, C.S.I.C., 28040, Madrid, Spain
| | - Alma E Martínez
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, C.S.I.C., 28040, Madrid, Spain
| | - Elena Navarro-Carrasco
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, C.S.I.C., 28040, Madrid, Spain
| | - Vasiliki Lalioti
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, C.S.I.C., 28040, Madrid, Spain
| | - María A Pajares
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, C.S.I.C., 28040, Madrid, Spain
| | - Dolores Pérez-Sala
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, C.S.I.C., 28040, Madrid, Spain.
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10
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Hohmann T, Hohmann U, Dehghani F. MACC1-induced migration in tumors: Current state and perspective. Front Oncol 2023; 13:1165676. [PMID: 37051546 PMCID: PMC10084939 DOI: 10.3389/fonc.2023.1165676] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 03/14/2023] [Indexed: 03/29/2023] Open
Abstract
Malignant tumors are still a global, heavy health burden. Many tumor types cannot be treated curatively, underlining the need for new treatment targets. In recent years, metastasis associated in colon cancer 1 (MACC1) was identified as a promising biomarker and drug target, as it is promoting tumor migration, initiation, proliferation, and others in a multitude of solid cancers. Here, we will summarize the current knowledge about MACC1-induced tumor cell migration with a special focus on the cytoskeletal and adhesive systems. In addition, a brief overview of several in vitro models used for the analysis of cell migration is given. In this context, we will point to issues with the currently most prevalent models used to study MACC1-dependent migration. Lastly, open questions about MACC1-dependent effects on tumor cell migration will be addressed.
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11
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Transcriptome Analysis Reveals Vimentin-Induced Disruption of Cell-Cell Associations Augments Breast Cancer Cell Migration. Cells 2022; 11:cells11244035. [PMID: 36552797 PMCID: PMC9776984 DOI: 10.3390/cells11244035] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/03/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
In advanced metastatic cancers with reduced patient survival and poor prognosis, expression of vimentin, a type III intermediate filament protein is frequently observed. Vimentin appears to suppress epithelial characteristics and augments cell migration but the molecular basis for these changes is not well understood. Here, we have ectopically expressed vimentin in MCF-7 and investigated its genomic and functional implications. Vimentin changed the cell shape by decreasing major axis, major axis angle and increased cell migration, without affecting proliferation. Vimentin downregulated major keratin genes KRT8, KRT18 and KRT19. Transcriptome-coupled GO and KEGG analyses revealed that vimentin-affected genes were linked to either cell-cell/cell-ECM or cell cycle/proliferation specific pathways. Using shRNA mediated knockdown of vimentin in two cell types; MCF-7FV (ectopically expressing) and MDA-MB-231 (endogenously expressing), we identified a vimentin-specific signature consisting of 13 protein encoding genes (CDH5, AXL, PTPRM, TGFBI, CDH10, NES, E2F1, FOXM1, CDC45, FSD1, BCL2, KIF26A and WISP2) and two long non-coding RNAs, LINC00052 and C15ORF9-AS1. CDH5, an endothelial cadherin, which mediates cell-cell junctions, was the most downregulated protein encoding gene. Interestingly, downregulation of CDH5 by shRNA significantly increased cell migration confirming our RNA-Seq data. Furthermore, presence of vimentin altered the lamin expression in MCF-7. Collectively, we demonstrate, for the first time, that vimentin in breast cancer cells could change nuclear architecture by affecting lamin expression, which downregulates genes maintaining cell-cell junctions resulting in increased cell migration.
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12
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Kim HR, Warrington SJ, López-Guajardo A, Al Hennawi K, Cook SL, Griffith ZDJ, Symmes D, Zhang T, Qu Z, Xu Y, Chen R, Gad AKB. ALD-R491 regulates vimentin filament stability and solubility, cell contractile force, cell migration speed and directionality. Front Cell Dev Biol 2022; 10:926283. [PMID: 36483676 PMCID: PMC9723350 DOI: 10.3389/fcell.2022.926283] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 11/07/2022] [Indexed: 08/12/2023] Open
Abstract
Metastasizing cells express the intermediate filament protein vimentin, which is used to diagnose invasive tumors in the clinic. However, the role of vimentin in cell motility, and if the assembly of non-filamentous variants of vimentin into filaments regulates cell migration remains unclear. We observed that the vimentin-targeting drug ALD-R491 increased the stability of vimentin filaments, by reducing filament assembly and/or disassembly. ALD-R491-treatment also resulted in more bundled and disorganized filaments and an increased pool of non-filamentous vimentin. This was accompanied by a reduction in size of cell-matrix adhesions and increased cellular contractile forces. Moreover, during cell migration, cells showed erratic formation of lamellipodia at the cell periphery, loss of coordinated cell movement, reduced cell migration speed, directionality and an elongated cell shape with long thin extensions at the rear that often detached. Taken together, these results indicate that the stability of vimentin filaments and the soluble pool of vimentin regulate the speed and directionality of cell migration and the capacity of cells to migrate in a mechanically cohesive manner. These observations suggest that the stability of vimentin filaments governs the adhesive, physical and migratory properties of cells, and expands our understanding of vimentin functions in health and disease, including cancer metastasis.
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Affiliation(s)
- Hyejeong Rosemary Kim
- Department of Oncology and Metabolism, The Medical School, University of Sheffield, Sheffield, United Kingdom
| | | | - Ana López-Guajardo
- Department of Oncology and Metabolism, The Medical School, University of Sheffield, Sheffield, United Kingdom
| | - Khairat Al Hennawi
- Department of Oncology and Metabolism, The Medical School, University of Sheffield, Sheffield, United Kingdom
| | - Sarah L. Cook
- Department of Oncology and Metabolism, The Medical School, University of Sheffield, Sheffield, United Kingdom
| | - Zak D. J. Griffith
- Department of Oncology and Metabolism, The Medical School, University of Sheffield, Sheffield, United Kingdom
| | - Deebie Symmes
- Aluda Pharmaceuticals, Inc., Menlo Park, CA, United States
| | - Tao Zhang
- Cambridge-Su Genomic Resource Center, Medical School of Soochow University, Suzhou, China
| | - Zhipeng Qu
- Cambridge-Su Genomic Resource Center, Medical School of Soochow University, Suzhou, China
| | - Ying Xu
- Cambridge-Su Genomic Resource Center, Medical School of Soochow University, Suzhou, China
| | - Ruihuan Chen
- Aluda Pharmaceuticals, Inc., Menlo Park, CA, United States
| | - Annica K. B. Gad
- Department of Oncology and Metabolism, The Medical School, University of Sheffield, Sheffield, United Kingdom
- Madeira Chemistry Research Centre, University of Madeira, Funchal, Portugal
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13
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Hyaluronan nanoscale clustering and Hyaluronan synthase 2 expression are linked to the invasion of child fibroblasts and infantile fibrosarcoma in vitro and in vivo. Sci Rep 2022; 12:19835. [PMID: 36400790 PMCID: PMC9674583 DOI: 10.1038/s41598-022-21952-4] [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: 02/26/2022] [Accepted: 10/06/2022] [Indexed: 11/19/2022] Open
Abstract
Infantile fibrosarcoma is a rare childhood tumour that originates in the fibrous connective tissue of the long bones for which there is an urgent need to identify novel therapeutic targets. This study aims to clarify the role of the extracellular matrix component hyaluronan in the invasion of child fibroblasts and Infantile fibrosarcoma into the surrounding environment. Using nanoscale super-resolution STED (Stimulated emission depletion) microscopy followed by computational image analysis, we observed, for the first time, that invasive child fibroblasts showed increased nanoscale clustering of hyaluronan at the cell periphery, as compared to control cells. Hyaluronan was not observed within focal adhesions. Bioinformatic analyses further revealed that the increased nanoscale hyaluronan clustering was accompanied by increased gene expression of Hyaluronan synthase 2, reduced expression of Hyaluronidase 2 and CD44, and no change of Hyaluronan synthase 1 and Hyaluronidases 1, 3, 4 or 5. We further observed that the expression of the Hyaluronan synthase 1, 2 and 3, and the Hyaluronidase 3 and 5 genes was linked to reduced life expectancy of fibrosarcoma patients. The invasive front of infantile fibrosarcoma tumours further showed increased levels of hyaluronan, as compared to the tumour centre. Taken together, our findings are consistent with the possibility that while Hyaluronan synthase 2 increases the levels, the Hyaluronidases 3 and 5 reduce the weight of hyaluronan, resulting in the nanoscale clustering of hyaluronan at the leading edge of cells, cell invasion and the spread of Infantile fibrosarcoma.
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14
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Shaebani MR, Stankevicins L, Vesperini D, Urbanska M, Flormann DAD, Terriac E, Gad AKB, Cheng F, Eriksson JE, Lautenschläger F. Effects of vimentin on the migration, search efficiency, and mechanical resilience of dendritic cells. Biophys J 2022; 121:3950-3961. [PMID: 36056556 PMCID: PMC9675030 DOI: 10.1016/j.bpj.2022.08.033] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 06/20/2022] [Accepted: 08/24/2022] [Indexed: 11/24/2022] Open
Abstract
Dendritic cells use amoeboid migration to pass through narrow passages in the extracellular matrix and confined tissue in search for pathogens and to reach the lymph nodes and alert the immune system. Amoeboid migration is a migration mode that, instead of relying on cell adhesion, is based on mechanical resilience and friction. To better understand the role of intermediate filaments in ameboid migration, we studied the effects of vimentin on the migration of dendritic cells. We show that the lymph node homing of vimentin-deficient cells is reduced in our in vivo experiments in mice. Lack of vimentin also reduces the cell stiffness, the number of migrating cells, and the migration speed in vitro in both 1D and 2D confined environments. Moreover, we find that lack of vimentin weakens the correlation between directional persistence and migration speed. Thus, vimentin-expressing dendritic cells move faster in straighter lines. Our numerical simulations of persistent random search in confined geometries verify that the reduced migration speed and the weaker correlation between the speed and direction of motion result in longer search times to find regularly located targets. Together, these observations show that vimentin enhances the ameboid migration of dendritic cells, which is relevant for the efficiency of their random search for pathogens.
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Affiliation(s)
- M Reza Shaebani
- Department of Theoretical Physics, Saarland University, Saarbrücken, Germany; Centre for Biophysics, Saarland University, Saarbrücken, Germany
| | - Luiza Stankevicins
- Department of Experimental Physics, Saarland University, Saarbrücken, Germany
| | - Doriane Vesperini
- Department of Experimental Physics, Saarland University, Saarbrücken, Germany
| | - Marta Urbanska
- Biotechnology Centre, Centre for Molecular and Cellular Bioengineering, Technische Universität Dresden, Dresden, Germany
| | - Daniel A D Flormann
- Department of Experimental Physics, Saarland University, Saarbrücken, Germany
| | - Emmanuel Terriac
- Department of Experimental Physics, Saarland University, Saarbrücken, Germany
| | - Annica K B Gad
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, United Kingdom; Centro de Química da Madeira, Universidade da Madeira, Funchal, Portugal
| | - Fang Cheng
- Cell Biology, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland; Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland; School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou, China
| | - John E Eriksson
- Cell Biology, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland; Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Franziska Lautenschläger
- Centre for Biophysics, Saarland University, Saarbrücken, Germany; Department of Experimental Physics, Saarland University, Saarbrücken, Germany.
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15
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Wang B, Zou L, Li M, Zhou L. Astrocyte: A Foe or a Friend in Intellectual Disability-Related Diseases. Front Synaptic Neurosci 2022; 14:877928. [PMID: 35812794 PMCID: PMC9259964 DOI: 10.3389/fnsyn.2022.877928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 05/27/2022] [Indexed: 11/24/2022] Open
Abstract
Intellectual disabilities are a type of neurodevelopmental disease caused by neurological dysfunction. Their incidence is largely associated with neural development. Astrocytes are the most widely distributed cells in the mammalian brain. Previous studies have reported that astrocytes only supported and separated the neurons in the brain. However, recent studies have found that they also play an important role in neural development. Understanding the astrocyte mechanism in intellectual development disorder-related diseases will help provide new therapeutic targets for the treatment of intellectual disability-related diseases. This mini-review introduced the association between astrocyte and intellectual disabilities. Furthermore, recent advances in genetic and environmental factors causing intellectual disability and different pharmaceutical effects of intellectual disability-related drugs on astrocytes have been summarised. Finally, we discussed future perspectives of astrocyte-based therapy for intellectual disability.
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Affiliation(s)
| | | | | | - Liang Zhou
- *Correspondence: Liang Zhou, , orcid.org/0000-0003-0820-1520
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16
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Ndiaye AB, Koenderink GH, Shemesh M. Intermediate Filaments in Cellular Mechanoresponsiveness: Mediating Cytoskeletal Crosstalk From Membrane to Nucleus and Back. Front Cell Dev Biol 2022; 10:882037. [PMID: 35478961 PMCID: PMC9035595 DOI: 10.3389/fcell.2022.882037] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 03/24/2022] [Indexed: 11/25/2022] Open
Abstract
The mammalian cytoskeleton forms a mechanical continuum that spans across the cell, connecting the cell surface to the nucleus via transmembrane protein complexes in the plasma and nuclear membranes. It transmits extracellular forces to the cell interior, providing mechanical cues that influence cellular decisions, but also actively generates intracellular forces, enabling the cell to probe and remodel its tissue microenvironment. Cells adapt their gene expression profile and morphology to external cues provided by the matrix and adjacent cells as well as to cell-intrinsic changes in cytoplasmic and nuclear volume. The cytoskeleton is a complex filamentous network of three interpenetrating structural proteins: actin, microtubules, and intermediate filaments. Traditionally the actin cytoskeleton is considered the main contributor to mechanosensitivity. This view is now shifting owing to the mounting evidence that the three cytoskeletal filaments have interdependent functions due to cytoskeletal crosstalk, with intermediate filaments taking a central role. In this Mini Review we discuss how cytoskeletal crosstalk confers mechanosensitivity to cells and tissues, with a particular focus on the role of intermediate filaments. We propose a view of the cytoskeleton as a composite structure, in which cytoskeletal crosstalk regulates the local stability and organization of all three filament families at the sub-cellular scale, cytoskeletal mechanics at the cellular scale, and cell adaptation to external cues at the tissue scale.
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Affiliation(s)
| | | | - Michal Shemesh
- *Correspondence: Michal Shemesh, ; Gijsje H. Koenderink,
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17
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Ostrowska-Podhorodecka Z, Ding I, Norouzi M, McCulloch CA. Impact of Vimentin on Regulation of Cell Signaling and Matrix Remodeling. Front Cell Dev Biol 2022; 10:869069. [PMID: 35359446 PMCID: PMC8961691 DOI: 10.3389/fcell.2022.869069] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 02/25/2022] [Indexed: 12/12/2022] Open
Abstract
Vimentin expression contributes to cellular mechanoprotection and is a widely recognized marker of fibroblasts and of epithelial-mesenchymal transition. But it is not understood how vimentin affects signaling that controls cell migration and extracellular matrix (ECM) remodeling. Recent data indicate that vimentin controls collagen deposition and ECM structure by regulating contractile force application to the ECM and through post-transcriptional regulation of ECM related genes. Binding of cells to the ECM promotes the association of vimentin with cytoplasmic domains of adhesion receptors such as integrins. After initial adhesion, cell-generated, myosin-dependent forces and signals that impact vimentin structure can affect cell migration. Post-translational modifications of vimentin determine its adaptor functions, including binding to cell adhesion proteins like paxillin and talin. Accordingly, vimentin regulates the growth, maturation and adhesive strength of integrin-dependent adhesions, which enables cells to tune their attachment to collagen, regulate the formation of cell extensions and control cell migration through connective tissues. Thus, vimentin tunes signaling cascades that regulate cell migration and ECM remodeling. Here we consider how specific properties of vimentin serve to control cell attachment to the underlying ECM and to regulate mesenchymal cell migration and remodeling of the ECM by resident fibroblasts.
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18
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Metastasising Fibroblasts Show an HDAC6-Dependent Increase in Migration Speed and Loss of Directionality Linked to Major Changes in the Vimentin Interactome. Int J Mol Sci 2022; 23:ijms23041961. [PMID: 35216078 PMCID: PMC8880509 DOI: 10.3390/ijms23041961] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 02/07/2023] Open
Abstract
Metastasising cells express the intermediate filament protein vimentin, which is used to diagnose invasive tumours in the clinic. We aimed to clarify how vimentin regulates the motility of metastasising fibroblasts. STED super-resolution microscopy, live-cell imaging and quantitative proteomics revealed that oncogene-expressing and metastasising fibroblasts show a less-elongated cell shape, reduced cell spreading, increased cell migration speed, reduced directionality, and stronger coupling between these migration parameters compared to normal control cells. In total, we identified and compared 555 proteins in the vimentin interactome. In metastasising cells, the levels of keratin 18 and Rab5C were increased, while those of actin and collagen were decreased. Inhibition of HDAC6 reversed the shape, spreading and migration phenotypes of metastasising cells back to normal. Inhibition of HDAC6 also decreased the levels of talin 1, tropomyosin, Rab GDI β, collagen and emilin 1 in the vimentin interactome, and partially reversed the nanoscale vimentin organisation in oncogene-expressing cells. These findings describe the changes in the vimentin interactome and nanoscale distribution that accompany the defective cell shape, spreading and migration of metastasising cells. These results support the hypothesis that oncogenes can act through HDAC6 to regulate the vimentin binding of the cytoskeletal and cell–extracellular matrix adhesion components that contribute to the defective motility of metastasising cells.
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19
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Lu X, Zhang H, Wang M, Qu F, Li J, Li R, Yan X. Novel insights into the role of BRD4 in fine particulate matter induced airway hyperresponsiveness. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 221:112440. [PMID: 34175826 DOI: 10.1016/j.ecoenv.2021.112440] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 06/13/2023]
Abstract
Epidemiological research has identified that exposure to fine particulate matter (PM2.5) can increase airway hyperresponsiveness (AHR) which is considered a typical characteristic of asthma. Although the effect of PM2.5 on AHR has been elucidated to a certain degree, its exact mechanism remains unclear. Bromodomain-containing protein 4 (BRD4) is recognized as a member of the bromodomain and extraterminal (BET) family, with the ability to maintain higher-order chromatin configuration and regulate gene expression programs. The primary objective of our study was to examine the role of BRD4 in AHR triggered by PM2.5, and to elucidate its possible molecular mechanism. A mouse model with AHR was established using a nose-only PM2.5 exposure system. We observed that PM2.5 enhanced AHR in the experimental group compared to the control group, and this alteration was accompanied by increased lung inflammation and BRD4 expression in bronchi-lung tissue. However, the BRD4 inhibitor (ZL0420) could alleviate the aforementioned alterations in the mouse model with PM2.5 exposure. To explore the exact molecular mechanism, we further examined the role of BRD4 in human airway smooth muscle cells (hASMCs) after exposure to PM2.5 DMSO extracts. We found that PM2.5 DMSO extracts, which promoted the contraction and migration of hASMCs, was accompanied by an increase in the levels of BRD4, kallikrein 14 (KLK14), bradykinin 2 receptor (B2R), matrix metalloproteinases2(MMP-2), matrix metalloproteinases9(MMP-9), vimentin and bradykinin (BK) secretion, while ZL0420 and BRD4 gene silencing could reverse this response. In summary, these results demonstrate that BRD4 is an important player in AHR triggered by PM2.5, and BRD4 inhibition can ameliorate AHR induced by PM2.5. In addition, PM2.5 DMSO extracts can promote the contraction and migration of hASMCs by increasing BRD4 expression.
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Affiliation(s)
- Xi Lu
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, China
| | - Huiran Zhang
- Department of Biopharmacy, Hebei Medical University, Shijiazhuang, Hebei 050000, China
| | - Min Wang
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, China
| | - Fangfang Qu
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, China
| | - Jingwen Li
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, China
| | - Rongqin Li
- Department of Central Laboratory, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, China
| | - Xixin Yan
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, China.
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20
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Muñoz EN, Rivera HM, Gómez LA. Changes in cytoarchitecture and mobility in B16F1 melanoma cells induced by 5-Br-2'-dU coincide with Rock2, miRNAs 138-5p and 455-3p reciprocal expressions. Biochem Biophys Rep 2021; 27:101027. [PMID: 34159262 PMCID: PMC8202345 DOI: 10.1016/j.bbrep.2021.101027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 05/12/2021] [Accepted: 05/14/2021] [Indexed: 11/23/2022] Open
Abstract
ROCK2 is a protein involved in the restructuring of the cytoskeleton in cell adhesion and contractibility processes. miR-138-5p and miR-455-3p regulate Rock2 expression, cell proliferation, migration, and invasion in different experimental cell models. However, their participation in the cytoarchitecture and mobility of B16F1 melanoma cells exposed to 5-Br-2'-dU is partially known. This work aimed to analyze ROCK2 and miRs 138-5p and 455-3p expression associated with morphological and mobility changes of B16F1 mouse melanoma cells exposed to the thymidine analog 5-Bromo-2'-deoxyuridine (5-Br-2'-dU). We observed an increase (2.2X n = 3, p < 0.05) in the cell area, coinciding with an increase in cell diameter (1.27X n = 3, p < 0.05), as well as greater cell granularity, capacity for circularization, adhesion, which was associated with more significant polymerization of F-actin, collapsed in the intermediate filaments of vimentin (VIM), and coinciding with a decrease in migration (87%). Changes coincided with a decrease in Rock2 mRNA expression (2.88X n = 3, p < 0.05), increased vimentin and a reciprocal decrease in miR-138-5p (1.8X), and an increase in miR-455-3p (2.39X). The Rock2 kinase inhibitor Y27632 partially rescued these changes. These results suggest ROCK2 and VIM regulate the morphological and mobility changes of B16 melanoma cells after exposure to 5-Br-2'-dU, and its expression may be reciprocally regulated, at least in part, by miR-138-5p and miR-455-3p.
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Affiliation(s)
- Esther Natalia Muñoz
- Molecular Physiology Group, Scientific and Technological Research, Public Health Research, Instituto Nacional de Salud de Colombia, Bogotá, D.C., Colombia
- Department of Physiological Sciences, Faculty of Medicine, Universidad Nacional de Colombia, Bogotá, D.C., Colombia
| | - Hernán Mauricio Rivera
- Molecular Physiology Group, Scientific and Technological Research, Public Health Research, Instituto Nacional de Salud de Colombia, Bogotá, D.C., Colombia
| | - Luis Alberto Gómez
- Molecular Physiology Group, Scientific and Technological Research, Public Health Research, Instituto Nacional de Salud de Colombia, Bogotá, D.C., Colombia
- Department of Physiological Sciences, Faculty of Medicine, Universidad Nacional de Colombia, Bogotá, D.C., Colombia
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21
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Llorente-González C, González-Rodríguez M, Vicente-Manzanares M. Targeting cytoskeletal phosphorylation in cancer. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2021; 2:292-308. [PMID: 36046434 PMCID: PMC9400739 DOI: 10.37349/etat.2021.00047] [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: 02/26/2021] [Accepted: 06/01/2021] [Indexed: 11/19/2022] Open
Abstract
Phosphorylation of cytoskeletal proteins regulates the dynamics of polymerization, stability, and disassembly of the different types of cytoskeletal polymers. These control the ability of cells to migrate and divide. Mutations and alterations of the expression levels of multiple protein kinases are hallmarks of most forms of cancer. Thus, altered phosphorylation of cytoskeletal proteins is observed in most cancer cells. These alterations potentially control the ability of cancer cells to divide, invade and form distal metastasis. This review highlights the emergent role of phosphorylation in the control of the function of the different cytoskeletal polymers in cancer cells. It also addresses the potential effect of targeted inhibitors in the normalization of cytoskeletal function.
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Affiliation(s)
- Clara Llorente-González
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007 Salamanca, Spain
| | - Marta González-Rodríguez
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007
| | - Miguel Vicente-Manzanares
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)-University of Salamanca, 37007 Salamanca, Spain
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22
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Ostrowska-Podhorodecka Z, McCulloch CA. Vimentin regulates the assembly and function of matrix adhesions. Wound Repair Regen 2021; 29:602-612. [PMID: 33887795 DOI: 10.1111/wrr.12920] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 03/25/2021] [Accepted: 03/30/2021] [Indexed: 12/19/2022]
Abstract
The intermediate filament protein vimentin is a widely used phenotypic marker for identifying cells of the mesenchymal linkage such as fibroblasts and myofibroblasts, but the full repertoire of vimentin's functional attributes has not been fully explored. Here we consider how vimentin, in addition to its contributions to mechanical stabilization of cell structure, also helps to control the assembly of cell adhesions and migration through collagen matrices. While the assembly and function of matrix adhesions are critical for the differentiation of myofibroblasts and many other types of adherent cells, a potential mechanism that explains how vimentin affects the recruitment and abundance of centrally important proteins in cell adhesions has been elusive. Here we review recent data indicating that vimentin plays a central regulatory role in the assembly of focal adhesions which form in response to the attachment to collagen. We show that in particular, vimentin is a key organizer of the β1 integrin adhesive machinery, which affects cell migration through collagen. This review provides a comprehensive picture of the surprisingly broad array of processes and molecules with which vimentin interacts to affect cell function in the context of fibroblast and myofibroblast adhesion and migration on collagen.
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23
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Ostrowska-Podhorodecka Z, Ding I, Lee W, Tanic J, Abbasi S, Arora PD, Liu RS, Patteson AE, Janmey PA, McCulloch CA. Vimentin tunes cell migration on collagen by controlling β1 integrin activation and clustering. J Cell Sci 2021; 134:jcs.254359. [PMID: 33558312 DOI: 10.1242/jcs.254359] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 01/20/2021] [Indexed: 12/17/2022] Open
Abstract
Vimentin is a structural protein that is required for mesenchymal cell migration and directly interacts with actin, β1 integrin and paxillin. We examined how these interactions enable vimentin to regulate cell migration on collagen. In fibroblasts, depletion of vimentin increased talin-dependent activation of β1 integrin by more than 2-fold. Loss of vimentin was associated with reduction of β1 integrin clustering by 50% and inhibition of paxillin recruitment to focal adhesions by more than 60%, which was restored by vimentin expression. This reduction of paxillin was associated with 65% lower Cdc42 activation, a 60% reduction of cell extension formation and a greater than 35% decrease in cell migration on collagen. The activation of PAK1, a downstream effector of Cdc42, was required for vimentin phosphorylation and filament maturation. We propose that vimentin tunes cell migration through collagen by acting as an adaptor protein for focal adhesion proteins, thereby regulating β1 integrin activation, resulting in well-organized, mature integrin clusters.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
| | - Isabel Ding
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada
| | - Wilson Lee
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada
| | - Jelena Tanic
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada
| | - Sevil Abbasi
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada
| | - Pamma D Arora
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada
| | - Richard S Liu
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada
| | - Alison E Patteson
- Department of Physiology, University of Pennsylvania, Philadelphia, PA 19104-6393, USA.,Physics Department, Syracuse University, Syracuse, NY 13244, USA
| | - Paul A Janmey
- Department of Physiology, University of Pennsylvania, Philadelphia, PA 19104-6393, USA
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24
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Bressan C, Saghatelyan A. Intrinsic Mechanisms Regulating Neuronal Migration in the Postnatal Brain. Front Cell Neurosci 2021; 14:620379. [PMID: 33519385 PMCID: PMC7838331 DOI: 10.3389/fncel.2020.620379] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 12/08/2020] [Indexed: 01/19/2023] Open
Abstract
Neuronal migration is a fundamental brain development process that allows cells to move from their birthplaces to their sites of integration. Although neuronal migration largely ceases during embryonic and early postnatal development, neuroblasts continue to be produced and to migrate to a few regions of the adult brain such as the dentate gyrus and the subventricular zone (SVZ). In the SVZ, a large number of neuroblasts migrate into the olfactory bulb (OB) along the rostral migratory stream (RMS). Neuroblasts migrate in chains in a tightly organized micro-environment composed of astrocytes that ensheath the chains of neuroblasts and regulate their migration; the blood vessels that are used by neuroblasts as a physical scaffold and a source of molecular factors; and axons that modulate neuronal migration. In addition to diverse sets of extrinsic micro-environmental cues, long-distance neuronal migration involves a number of intrinsic mechanisms, including membrane and cytoskeleton remodeling, Ca2+ signaling, mitochondria dynamics, energy consumption, and autophagy. All these mechanisms are required to cope with the different micro-environment signals and maintain cellular homeostasis in order to sustain the proper dynamics of migrating neuroblasts and their faithful arrival in the target regions. Neuroblasts in the postnatal brain not only migrate into the OB but may also deviate from their normal path to migrate to a site of injury induced by a stroke or by certain neurodegenerative disorders. In this review, we will focus on the intrinsic mechanisms that regulate long-distance neuroblast migration in the adult brain and on how these pathways may be modulated to control the recruitment of neuroblasts to damaged/diseased brain areas.
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Affiliation(s)
- Cedric Bressan
- CERVO Brain Research Center, Quebec City, QC, Canada.,Department of Psychiatry and Neuroscience, Université Laval, Quebec City, QC, Canada
| | - Armen Saghatelyan
- CERVO Brain Research Center, Quebec City, QC, Canada.,Department of Psychiatry and Neuroscience, Université Laval, Quebec City, QC, Canada
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25
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Patteson AE, Carroll RJ, Iwamoto DV, Janmey PA. The vimentin cytoskeleton: when polymer physics meets cell biology. Phys Biol 2020; 18:011001. [PMID: 32992303 PMCID: PMC8240483 DOI: 10.1088/1478-3975/abbcc2] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The proper functions of tissues depend on the ability of cells to withstand stress and maintain shape. Central to this process is the cytoskeleton, comprised of three polymeric networks: F-actin, microtubules, and intermediate filaments (IFs). IF proteins are among the most abundant cytoskeletal proteins in cells; yet they remain some of the least understood. Their structure and function deviate from those of their cytoskeletal partners, F-actin and microtubules. IF networks show a unique combination of extensibility, flexibility and toughness that confers mechanical resilience to the cell. Vimentin is an IF protein expressed in mesenchymal cells. This review highlights exciting new results on the physical biology of vimentin intermediate filaments and their role in allowing whole cells and tissues to cope with stress.
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Affiliation(s)
- Alison E Patteson
- Physics Department, Syracuse University, Syracuse, NY 13244, USA
- BioInspired Institute, Syracuse University, Syracuse, NY 13244, USA
| | - Robert J Carroll
- Physics Department, Syracuse University, Syracuse, NY 13244, USA
- BioInspired Institute, Syracuse University, Syracuse, NY 13244, USA
| | - Daniel V Iwamoto
- Institute for Medicine and Engineering, Department of Physiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Paul A Janmey
- Institute for Medicine and Engineering, Department of Physiology, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
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26
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Seetharaman S, Etienne-Manneville S. Cytoskeletal Crosstalk in Cell Migration. Trends Cell Biol 2020; 30:720-735. [DOI: 10.1016/j.tcb.2020.06.004] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 06/09/2020] [Accepted: 06/10/2020] [Indexed: 01/15/2023]
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Chen M, Li R, Yin W, Wang T, Kang YJ. Copper promotes migration of adipose-derived stem cells by enhancing vimentin-Ser39 phosphorylation. Exp Cell Res 2020; 388:111859. [PMID: 31972217 DOI: 10.1016/j.yexcr.2020.111859] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/16/2020] [Accepted: 01/19/2020] [Indexed: 02/05/2023]
Abstract
Mesenchymal stem cells (MSCs) are widely studied for their application in cell therapy. A noticed drawback of these cells in response to tissue injury is the low efficiency of homing. The present study was undertaken to explore a possible approach to promote the migration of MSCs. Primary cultures of rat adipose-derived stem cells (rADSCs) were cultured in standard L-DMEM media supplemented with or without copper (Cu) at its final concentration of 20 μM in cultures. The analyses of transwell and wound-healing assay revealed that Cu supplementation significantly promotes the migration of rADSCs in cultures. Further analysis found that Cu stimulated the phosphorylation of vimentin Ser39. Point mutation of vimentin Ser39 by substituting Ser with Ala prevented Cu-promoted migration of rADSCs. This study thus demonstrates that Cu promotes migration of rADSCs in cultures through at least in part Cu stimulation of vimentin Ser39 phosphorylation.
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Affiliation(s)
- Mengqi Chen
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan, 610041, China
| | - Rui Li
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan, 610041, China
| | - Wen Yin
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan, 610041, China
| | - Tao Wang
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan, 610041, China
| | - Y James Kang
- Regenerative Medicine Research Center, Sichuan University West China Hospital, Chengdu, Sichuan, 610041, China.
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28
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Strouhalova K, Přechová M, Gandalovičová A, Brábek J, Gregor M, Rosel D. Vimentin Intermediate Filaments as Potential Target for Cancer Treatment. Cancers (Basel) 2020; 12:E184. [PMID: 31940801 PMCID: PMC7017239 DOI: 10.3390/cancers12010184] [Citation(s) in RCA: 130] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 02/06/2023] Open
Abstract
Intermediate filaments constitute the third component of the cellular skeleton. Unlike actin and microtubule cytoskeletons, the intermediate filaments are composed of a wide variety of structurally related proteins showing distinct expression patterns in tissues and cell types. Changes in the expression patterns of intermediate filaments are often associated with cancer progression; in particular with phenotypes leading to increased cellular migration and invasion. In this review we will describe the role of vimentin intermediate filaments in cancer cell migration, cell adhesion structures, and metastasis formation. The potential for targeting vimentin in cancer treatment and the development of drugs targeting vimentin will be reviewed.
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Affiliation(s)
- Katerina Strouhalova
- Department of Cell Biology, Charles University, Viničná 7, 12843 Prague, Czech Republic; (K.S.); (A.G.); (J.B.)
- Biotechnology and Biomedicine Centre of the Academy of Sciences and Charles University (BIOCEV), Průmyslová 595, 25242 Vestec u Prahy, Czech Republic
| | - Magdalena Přechová
- Laboratory of Integrative Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, 14220 Prague, Czech Republic;
| | - Aneta Gandalovičová
- Department of Cell Biology, Charles University, Viničná 7, 12843 Prague, Czech Republic; (K.S.); (A.G.); (J.B.)
- Biotechnology and Biomedicine Centre of the Academy of Sciences and Charles University (BIOCEV), Průmyslová 595, 25242 Vestec u Prahy, Czech Republic
| | - Jan Brábek
- Department of Cell Biology, Charles University, Viničná 7, 12843 Prague, Czech Republic; (K.S.); (A.G.); (J.B.)
- Biotechnology and Biomedicine Centre of the Academy of Sciences and Charles University (BIOCEV), Průmyslová 595, 25242 Vestec u Prahy, Czech Republic
| | - Martin Gregor
- Laboratory of Integrative Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, 14220 Prague, Czech Republic;
| | - Daniel Rosel
- Department of Cell Biology, Charles University, Viničná 7, 12843 Prague, Czech Republic; (K.S.); (A.G.); (J.B.)
- Biotechnology and Biomedicine Centre of the Academy of Sciences and Charles University (BIOCEV), Průmyslová 595, 25242 Vestec u Prahy, Czech Republic
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29
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Badawi Y, Nishimune H. Super-resolution microscopy for analyzing neuromuscular junctions and synapses. Neurosci Lett 2020; 715:134644. [PMID: 31765730 PMCID: PMC6937598 DOI: 10.1016/j.neulet.2019.134644] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 11/20/2019] [Accepted: 11/21/2019] [Indexed: 12/12/2022]
Abstract
Super-resolution microscopy techniques offer subdiffraction limited resolution that is two- to ten-fold improved compared to that offered by conventional confocal microscopy. This breakthrough in resolution for light microscopy has contributed to new findings in neuroscience and synapse biology. This review will focus on the Structured Illumination Microscopy (SIM), Stimulated emission depletion (STED) microscopy, and Stochastic optical reconstruction microscopy (STORM) / Single molecule localization microscopy (SMLM) techniques and compare them for the better understanding of their differences and their suitability for the analysis of synapse biology. In addition, we will discuss a few practical aspects of these microscopic techniques, including resolution, image acquisition speed, multicolor capability, and other advantages and disadvantages. Tips for the improvement of microscopy will be introduced; for example, information resources for recommended dyes, the limitations of multicolor analysis, and capabilities for live imaging. In addition, we will summarize how super-resolution microscopy has been used for analyses of neuromuscular junctions and synapses.
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Affiliation(s)
- Yomna Badawi
- Department of Anatomy and Cell Biology, University of Kansas School of Medicine, Kansas City, KS, 66160, USA
| | - Hiroshi Nishimune
- Department of Anatomy and Cell Biology, University of Kansas School of Medicine, Kansas City, KS, 66160, USA.
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30
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Vakhrusheva A, Endzhievskaya S, Zhuikov V, Nekrasova T, Parshina E, Ovsiannikova N, Popov V, Bagrov D, Minin AА, Sokolova OS. The role of vimentin in directional migration of rat fibroblasts. Cytoskeleton (Hoboken) 2019; 76:467-476. [PMID: 31626376 DOI: 10.1002/cm.21572] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 10/05/2019] [Accepted: 10/14/2019] [Indexed: 12/16/2022]
Abstract
Cell migration is one of the most important processes in which the cytoskeleton plays a main role. The cytoskeleton network is formed by tubulin microtubules, actin filaments, and intermediate filaments (IFs). While the structure and functions of the two aforementioned proteins have been extensively investigated during the last decades, vimentin IFs structure and their role in cell migration and adhesion remain unclear. Here, we investigated polarity determination in rat fibroblasts with either a knocked out vim gene or with a mutation that blocks filament formation on the stage of unit-length filaments (ULFs). Structured illumination microscopy has demonstrated the difference in the morphology of IFs in wild-type fibroblasts and of ULFs in mutant fibroblasts. We have developed an approach to measure cell stiffness separately on the trailing and leading edges using atomic force microscopy. Young's modulus values on the leading and trailing edge of migrating rat fibroblasts differ approximately by two times, being larger on the leading edge. The knockout of the vim gene leads to having comparable values of Young's moduli on both edges. Vimentin-null cells change the direction of migration more frequently than those expressing wild-type or mutated vimentin. Our results have shown the principle role of vimentin, not only in the form of IFs, but also as ULFs, in the determination of the polarity and the directionality of fibroblast migration.
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Affiliation(s)
- Anna Vakhrusheva
- Lomonosov Moscow State University, Department of Biology, Moscow, Russia
| | - Sofia Endzhievskaya
- Institute of Protein Research of Russian Academy of Sciences, Department of Cell Biology, Moscow, Russia
| | - Vsevolod Zhuikov
- Research Centre of Biotechnology of Russian Academy of Sciences, Moscow, Russia
| | - Tatyana Nekrasova
- Institute of Protein Research of Russian Academy of Sciences, Department of Cell Biology, Moscow, Russia
| | - Evgenia Parshina
- Lomonosov Moscow State University, Department of Biology, Moscow, Russia
| | - Natalia Ovsiannikova
- Lomonosov Moscow State University, Belozersky Institute of Physico-chemical biology, Moscow, Russia
| | - Vladimir Popov
- Lomonosov Moscow State University, Department of Physics, Moscow, Russia
| | - Dmitry Bagrov
- Lomonosov Moscow State University, Department of Biology, Moscow, Russia
| | - Alexander А Minin
- Institute of Protein Research of Russian Academy of Sciences, Department of Cell Biology, Moscow, Russia
| | - Olga S Sokolova
- Lomonosov Moscow State University, Department of Biology, Moscow, Russia
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31
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Vohnoutka RB, Gulvady AC, Goreczny G, Alpha K, Handelman SK, Sexton JZ, Turner CE. The focal adhesion scaffold protein Hic-5 regulates vimentin organization in fibroblasts. Mol Biol Cell 2019; 30:3037-3056. [PMID: 31644368 PMCID: PMC6880880 DOI: 10.1091/mbc.e19-08-0442] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Focal adhesion (FA)-stimulated reorganization of the F-actin cytoskeleton regulates cellular size, shape, and mechanical properties. However, FA cross-talk with the intermediate filament cytoskeleton is poorly understood. Genetic ablation of the FA-associated scaffold protein Hic-5 in mouse cancer-associated fibroblasts (CAFs) promoted a dramatic collapse of the vimentin network, which was rescued following EGFP-Hic-5 expression. Vimentin collapse correlated with a loss of detergent-soluble vimentin filament precursors and decreased vimentin S72/S82 phosphorylation. Additionally, fluorescence recovery after photobleaching analysis indicated impaired vimentin dynamics. Microtubule (MT)-associated EB1 tracking and Western blotting of MT posttranslational modifications indicated no change in MT dynamics that could explain the vimentin collapse. However, pharmacological inhibition of the RhoGTPase Cdc42 in Hic-5 knockout CAFs rescued the vimentin collapse, while pan-formin inhibition with SMIFH2 promoted vimentin collapse in Hic-5 heterozygous CAFs. Our results reveal novel regulation of vimentin organization/dynamics by the FA scaffold protein Hic-5 via modulation of RhoGTPases and downstream formin activity.
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Affiliation(s)
- Rishel B Vohnoutka
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, NY 13210
| | - Anushree C Gulvady
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, NY 13210
| | - Gregory Goreczny
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, NY 13210
| | - Kyle Alpha
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, NY 13210
| | - Samuel K Handelman
- Division of Gastroenterology, Department of Internal Medicine, Michigan Medicine at the University of Michigan, Ann Arbor, MI 48109
| | - Jonathan Z Sexton
- Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, MI 48109
| | - Christopher E Turner
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, NY 13210
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TUBB4B Downregulation Is Critical for Increasing Migration of Metastatic Colon Cancer Cells. Cells 2019; 8:cells8080810. [PMID: 31375012 PMCID: PMC6721557 DOI: 10.3390/cells8080810] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 07/30/2019] [Accepted: 07/30/2019] [Indexed: 12/24/2022] Open
Abstract
Tumor metastasis, the major problem for clinical oncology in colon cancer treatment, is linked with an epithelial-mesenchymal transition (EMT). The observed cellular transformation in this process is manifested by cell elongation, enhanced cell migration and invasion ability, coordinated by cytoskeleton reorganization. In the present study, we examined the role of tubulin-β4 (TUBB4B) downregulation that occurs during EMT in colon cancer cells, in the modulation of the function of microtubules. Based on biochemical and behavioral analysis (transmigration) we posit that the decrease of the TUBB4B level is critical for microtubule-vimentin interaction and contributes to the maintenance of polarity in migrating cells. The microscopic studies revealed that TUBB4B decrease is accompanied by cell elongation and increased number of matured focal adhesion sites, which is a characteristic of the cell metastatic stage. We also demonstrated faster polymerization of microtubules in cells with a lower level of TUBB4B. Simultaneous TUBB3 upregulation, reported during EMT, acts additively in this process. Our studies suggest that the protein level of TUBB4B could be used as a marker for detection of the preinvasive stages of the colon cancer cells. We also concluded that chemotherapy enriched to increase TUBB4B level and/or to stabilize microtubule polymerization might more effectively prevent metastasis in colon cancer development.
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33
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Terriac E, Schütz S, Lautenschläger F. Vimentin Intermediate Filament Rings Deform the Nucleus During the First Steps of Adhesion. Front Cell Dev Biol 2019; 7:106. [PMID: 31263698 PMCID: PMC6590062 DOI: 10.3389/fcell.2019.00106] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 05/28/2019] [Indexed: 12/25/2022] Open
Abstract
During cell spreading, cells undergo many changes to their architecture and their mechanical properties. Vimentin, as an integral part of the cell architecture, and its mechanical stability must adapt to the new state of the cell. This study focuses on the structures formed by vimentin during the first steps of cell adhesion. Very early, ball-like structures, or "knots," are seen and often vimentin filaments emerge in the shape of rings around the nucleus. Although intermediate filaments are not known to be associated to motor proteins to form contractile systems, these rings can nonetheless strongly deform the cell nucleus. In the first 6 to 12 h of adhesion, these vimentin knots and rings disappear, and the intermediate filament network returns to the state seen before detachment of the cells. As these vimentin structures are very transient in the early steps of cell spreading, they have rarely been described in the literature. However, they can also be seen during mitosis, which is an event that involves partial detachment and re-spreading of the cells. Interestingly, the turnover dynamics of vimentin are reduced in both the knots and rings, compared to vimentin in the lamellipodia. It remains to define how the force is transmitted from the ball-like structures to the rings, and to measure the impact of such strong nuclear deformation on gene expression during cell re-spreading and the rearrangement of the vimentin network.
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Affiliation(s)
| | - Susanne Schütz
- Faculty of Natural Sciences and Technology, Saarland University, Saarbrücken, Germany
| | - Franziska Lautenschläger
- Leibniz Institute for New Materials, Saarbrücken, Germany
- Faculty of Natural Sciences and Technology, Saarland University, Saarbrücken, Germany
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34
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Surolia R, Li FJ, Wang Z, Li H, Dsouza K, Thomas V, Mirov S, Pérez-Sala D, Athar M, Thannickal VJ, Antony VB. Vimentin intermediate filament assembly regulates fibroblast invasion in fibrogenic lung injury. JCI Insight 2019; 4:123253. [PMID: 30944258 DOI: 10.1172/jci.insight.123253] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 02/26/2019] [Indexed: 12/22/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive disease, with a median survival of 3-5 years following diagnosis. Lung remodeling by invasive fibroblasts is a hallmark of IPF. In this study, we demonstrate that inhibition of vimentin intermediate filaments (VimIFs) decreases the invasiveness of IPF fibroblasts and confers protection against fibrosis in a murine model of experimental lung injury. Increased expression and organization of VimIFs contribute to the invasive property of IPF fibroblasts in connection with deficient cellular autophagy. Blocking VimIF assembly by pharmacologic and genetic means also increases autophagic clearance of collagen type I. Furthermore, inhibition of expression of collagen type I by siRNA decreased invasiveness of fibroblasts. In a bleomycin injury model, enhancing autophagy in fibroblasts by an inhibitor of VimIF assembly, withaferin A (WFA), protected from fibrotic lung injury. Additionally, in 3D lung organoids, or pulmospheres, from patients with IPF, WFA reduced the invasiveness of lung fibroblasts in the majority of subjects tested. These studies provide insights into the functional role of vimentin, which regulates autophagy and restricts the invasiveness of lung fibroblasts.
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Affiliation(s)
- Ranu Surolia
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine
| | - Fu Jun Li
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine
| | - Zheng Wang
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine
| | - Huashi Li
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine
| | - Kevin Dsouza
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine
| | - Vinoy Thomas
- Department of Materials Science and Engineering, and
| | - Sergey Mirov
- Department of Physics, University of Alabama at Birmingham (UAB), Birmingham, Alabama, USA
| | - Dolores Pérez-Sala
- Department of Structural and Chemical and Biology, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
| | - Mohammad Athar
- Department of Dermatology, UAB, Birmingham, Alabama, USA
| | - Victor J Thannickal
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine
| | - Veena B Antony
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine
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35
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Danielsson F, Peterson MK, Caldeira Araújo H, Lautenschläger F, Gad AKB. Vimentin Diversity in Health and Disease. Cells 2018; 7:E147. [PMID: 30248895 PMCID: PMC6210396 DOI: 10.3390/cells7100147] [Citation(s) in RCA: 157] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 09/16/2018] [Accepted: 09/17/2018] [Indexed: 12/11/2022] Open
Abstract
Vimentin is a protein that has been linked to a large variety of pathophysiological conditions, including cataracts, Crohn's disease, rheumatoid arthritis, HIV and cancer. Vimentin has also been shown to regulate a wide spectrum of basic cellular functions. In cells, vimentin assembles into a network of filaments that spans the cytoplasm. It can also be found in smaller, non-filamentous forms that can localise both within cells and within the extracellular microenvironment. The vimentin structure can be altered by subunit exchange, cleavage into different sizes, re-annealing, post-translational modifications and interacting proteins. Together with the observation that different domains of vimentin might have evolved under different selection pressures that defined distinct biological functions for different parts of the protein, the many diverse variants of vimentin might be the cause of its functional diversity. A number of review articles have focussed on the biology and medical aspects of intermediate filament proteins without particular commitment to vimentin, and other reviews have focussed on intermediate filaments in an in vitro context. In contrast, the present review focusses almost exclusively on vimentin, and covers both ex vivo and in vivo data from tissue culture and from living organisms, including a summary of the many phenotypes of vimentin knockout animals. Our aim is to provide a comprehensive overview of the current understanding of the many diverse aspects of vimentin, from biochemical, mechanical, cellular, systems biology and medical perspectives.
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Affiliation(s)
- Frida Danielsson
- Science for Life Laboratory, Royal Institute of Technology, 17165 Stockholm, Sweden.
| | | | | | - Franziska Lautenschläger
- Campus D2 2, Leibniz-Institut für Neue Materialien gGmbH (INM) and Experimental Physics, NT Faculty, E 2 6, Saarland University, 66123 Saarbrücken, Germany.
| | - Annica Karin Britt Gad
- Centro de Química da Madeira, Universidade da Madeira, 9020105 Funchal, Portugal.
- Department of Medical Biochemistry and Microbiology, Uppsala University, 75237 Uppsala, Sweden.
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36
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Vimentin knockout results in increased expression of sub-endothelial basement membrane components and carotid stiffness in mice. Sci Rep 2017; 7:11628. [PMID: 28912461 PMCID: PMC5599644 DOI: 10.1038/s41598-017-12024-z] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 09/01/2017] [Indexed: 12/11/2022] Open
Abstract
Intermediate filaments are involved in stress-related cell mechanical properties and in plasticity via the regulation of focal adhesions (FAs) and the actomyosin network. We investigated whether vimentin regulates endothelial cells (ECs) and vascular smooth muscle cells (SMCs) and thereby influences vasomotor tone and arterial stiffness. Vimentin knockout mice (Vim−/−) exhibited increased expression of laminin, fibronectin, perlecan, collagen IV and VE-cadherin as well as von Willebrand factor deposition in the subendothelial basement membrane. Smooth muscle (SM) myosin heavy chain, α-SM actin and smoothelin were decreased in Vim−/− mice. Electron microscopy revealed a denser endothelial basement membrane and increased SM cell-matrix interactions. Integrin αv, talin and vinculin present in FAs were increased in Vim−/− mice. Phosphorylated FA kinase and its targets Src and ERK1/2 were elevated in Vim−/− mice. Knockout of vimentin, but not of synemin, resulted in increased carotid stiffness and contractility and endothelial dysfunction, independently of blood pressure and the collagen/elastin ratio. The increase in arterial stiffness in Vim−/− mice likely involves vasomotor tone and endothelial basement membrane organization changes. At the tissue level, the results show the implication of FAs both in ECs and vascular SMCs in the role of vimentin in arterial stiffening.
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37
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Sanghvi-Shah R, Weber GF. Intermediate Filaments at the Junction of Mechanotransduction, Migration, and Development. Front Cell Dev Biol 2017; 5:81. [PMID: 28959689 PMCID: PMC5603733 DOI: 10.3389/fcell.2017.00081] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Accepted: 08/30/2017] [Indexed: 01/04/2023] Open
Abstract
Mechanically induced signal transduction has an essential role in development. Cells actively transduce and respond to mechanical signals and their internal architecture must manage the associated forces while also being dynamically responsive. With unique assembly-disassembly dynamics and physical properties, cytoplasmic intermediate filaments play an important role in regulating cell shape and mechanical integrity. While this function has been recognized and appreciated for more than 30 years, continually emerging data also demonstrate important roles of intermediate filaments in cell signal transduction. In this review, with a particular focus on keratins and vimentin, the relationship between the physical state of intermediate filaments and their role in mechanotransduction signaling is illustrated through a survey of current literature. Association with adhesion receptors such as cadherins and integrins provides a critical interface through which intermediate filaments are exposed to forces from a cell's environment. As a consequence, these cytoskeletal networks are posttranslationally modified, remodeled and reorganized with direct impacts on local signal transduction events and cell migratory behaviors important to development. We propose that intermediate filaments provide an opportune platform for cells to both cope with mechanical forces and modulate signal transduction.
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Affiliation(s)
- Rucha Sanghvi-Shah
- Department of Biological Sciences, Rutgers University-NewarkNewark, NJ, United States
| | - Gregory F Weber
- Department of Biological Sciences, Rutgers University-NewarkNewark, NJ, United States
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