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Park J, Wu Y, Suk Kim J, Byun J, Lee J, Oh YK. Cytoskeleton-modulating nanomaterials and their therapeutic potentials. Adv Drug Deliv Rev 2024; 211:115362. [PMID: 38906478 DOI: 10.1016/j.addr.2024.115362] [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: 03/14/2024] [Revised: 05/25/2024] [Accepted: 06/16/2024] [Indexed: 06/23/2024]
Abstract
The cytoskeleton, an intricate network of protein fibers within cells, plays a pivotal role in maintaining cell shape, enabling movement, and facilitating intracellular transport. Its involvement in various pathological states, ranging from cancer proliferation and metastasis to the progression of neurodegenerative disorders, underscores its potential as a target for therapeutic intervention. The exploration of nanotechnology in this realm, particularly the use of nanomaterials for cytoskeletal modulation, represents a cutting-edge approach with the promise of novel treatments. Inorganic nanomaterials, including those derived from gold, metal oxides, carbon, and black phosphorus, alongside organic variants such as peptides and proteins, are at the forefront of this research. These materials offer diverse mechanisms of action, either by directly interacting with cytoskeletal components or by influencing cellular signaling pathways that, in turn, modulate the cytoskeleton. Recent advancements have introduced magnetic field-responsive and light-responsive nanomaterials, which allow for targeted and controlled manipulation of the cytoskeleton. Such precision is crucial in minimizing off-target effects and enhancing therapeutic efficacy. This review explores the importance of research into cytoskeleton-targeting nanomaterials for developing therapeutic interventions for a range of diseases. It also addresses the progress made in this field, the challenges encountered, and future directions for using nanomaterials to modulate the cytoskeleton. The continued exploration of nanomaterials for cytoskeleton modulation holds great promise for advancing therapeutic strategies against a broad spectrum of diseases, marking a significant step forward in the intersection of nanotechnology and medicine.
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Affiliation(s)
- Jinwon Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Yina Wu
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Jung Suk Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Junho Byun
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea.
| | - Jaiwoo Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea.
| | - Yu-Kyoung Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea.
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2
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Kang D, Kim T, Choi GE, Park A, Yoon J, Yu J, Suh N. miR-29a-3p orchestrates key signaling pathways for enhanced migration of human mesenchymal stem cells. Cell Commun Signal 2024; 22:365. [PMID: 39020373 PMCID: PMC11256664 DOI: 10.1186/s12964-024-01737-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 07/04/2024] [Indexed: 07/19/2024] Open
Abstract
BACKGROUND The homing of human mesenchymal stem cells (hMSCs) is crucial for their therapeutic efficacy and is characterized by the orchestrated regulation of multiple signaling modules. However, the principal upstream regulators that synchronize these signaling pathways and their mechanisms during cellular migration remain largely unexplored. METHODS miR-29a-3p was exogenously expressed in either wild-type or DiGeorge syndrome critical region 8 (DGCR8) knockdown hMSCs. Multiple pathway components were analyzed using Western blotting, immunohistochemistry, and real-time quantitative PCR. hMSC migration was assessed both in vitro and in vivo through wound healing, Transwell, contraction, and in vivo migration assays. Extensive bioinformatic analyses using gene set enrichment analysis and Ingenuity pathway analysis identified enriched pathways, upstream regulators, and downstream targets. RESULTS The global depletion of microRNAs (miRNAs) due to DGCR8 gene silencing, a critical component of miRNA biogenesis, significantly impaired hMSC migration. The bioinformatics analysis identified miR-29a-3p as a pivotal upstream regulator. Its overexpression in DGCR8-knockdown hMSCs markedly improved their migration capabilities. Our data demonstrate that miR-29a-3p enhances cell migration by directly inhibiting two key phosphatases: protein tyrosine phosphatase receptor type kappa (PTPRK) and phosphatase and tensin homolog (PTEN). The ectopic expression of miR-29a-3p stabilized the polarization of the Golgi apparatus and actin cytoskeleton during wound healing. It also altered actomyosin contractility and cellular traction forces by changing the distribution and phosphorylation of myosin light chain 2. Additionally, it regulated focal adhesions by modulating the levels of PTPRK and paxillin. In immunocompromised mice, the migration of hMSCs overexpressing miR-29a-3p toward a chemoattractant significantly increased. CONCLUSIONS Our findings identify miR-29a-3p as a key upstream regulator that governs hMSC migration. Specifically, it was found to modulate principal signaling pathways, including polarization, actin cytoskeleton, contractility, and adhesion, both in vitro and in vivo, thereby reinforcing migration regulatory circuits.
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Affiliation(s)
- Dayeon Kang
- Department of Medical Sciences, General Graduate School, Soon Chun Hyang University, Asan, 31538, Republic of Korea
- Department of Pharmaceutical Engineering, College of Medical Sciences, Soon Chun Hyang University, Asan, 31538, Republic of Korea
| | - Taehwan Kim
- Department of Medical Sciences, General Graduate School, Soon Chun Hyang University, Asan, 31538, Republic of Korea
| | - Ga-Eun Choi
- Department of Medical Sciences, General Graduate School, Soon Chun Hyang University, Asan, 31538, Republic of Korea
| | - Arum Park
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, 05505, Republic of Korea
| | - Jin Yoon
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, 05505, Republic of Korea
| | - Jinho Yu
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - Nayoung Suh
- Department of Medical Sciences, General Graduate School, Soon Chun Hyang University, Asan, 31538, Republic of Korea.
- Department of Pharmaceutical Engineering, College of Medical Sciences, Soon Chun Hyang University, Asan, 31538, Republic of Korea.
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3
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Nanes BA, Bhatt K, Azarova E, Rajendran D, Munawar S, Isogai T, Dean KM, Danuser G. Shifts in keratin isoform expression activate motility signals during wound healing. Dev Cell 2024:S1534-5807(24)00389-7. [PMID: 39002537 DOI: 10.1016/j.devcel.2024.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 04/15/2024] [Accepted: 06/17/2024] [Indexed: 07/15/2024]
Abstract
Keratin intermediate filaments confer structural stability to epithelial tissues, but the reason this simple mechanical function requires a protein family with 54 isoforms is not understood. During skin wound healing, a shift in keratin isoform expression alters the composition of keratin filaments. If and how this change modulates cellular functions that support epidermal remodeling remains unclear. We report an unexpected effect of keratin isoform variation on kinase signal transduction. Increased expression of wound-associated keratin 6A, but not of steady-state keratin 5, potentiated keratinocyte migration and wound closure without compromising mechanical stability by activating myosin motors to increase contractile force generation. These results substantially expand the functional repertoire of intermediate filaments from their canonical role as mechanical scaffolds to include roles as isoform-tuned signaling scaffolds that organize signal transduction cascades in space and time to influence epithelial cell state.
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Affiliation(s)
- Benjamin A Nanes
- Department of Dermatology, UT Southwestern Medical Center, Dallas, TX 75390, USA; Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA.
| | - Kushal Bhatt
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Evgenia Azarova
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Divya Rajendran
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Sabahat Munawar
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Tadamoto Isogai
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Kevin M Dean
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Gaudenz Danuser
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center, Dallas, TX 75390, USA.
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4
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Lai X, Wang M, Zhang Z, Chen S, Tan X, Liu W, Liang H, Li L, Shao L. ZNPs reduce epidermal mechanical strain resistance by promoting desmosomal cadherin endocytosis via mTORC1-TFEB-BLOC1S3 axis. J Nanobiotechnology 2024; 22:312. [PMID: 38840221 PMCID: PMC11151536 DOI: 10.1186/s12951-024-02519-z] [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: 01/09/2024] [Accepted: 05/01/2024] [Indexed: 06/07/2024] Open
Abstract
Zinc oxide nanoparticles (ZNPs) are widely used in sunscreens and nanomedicines, and it was recently confirmed that ZNPs can penetrate stratum corneum into deep epidermis. Therefore, it is necessary to determine the impact of ZNPs on epidermis. In this study, ZNPs were applied to mouse skin at a relatively low concentration for one week. As a result, desmosomes in epidermal tissues were depolymerized, epidermal mechanical strain resistance was reduced, and the levels of desmosomal cadherins were decreased in cell membrane lysates and increased in cytoplasmic lysates. This finding suggested that ZNPs promote desmosomal cadherin endocytosis, which causes desmosome depolymerization. In further studies, ZNPs were proved to decrease mammalian target of rapamycin complex 1 (mTORC1) activity, activate transcription factor EB (TFEB), upregulate biogenesis of lysosome-related organelle complex 1 subunit 3 (BLOC1S3) and consequently promote desmosomal cadherin endocytosis. In addition, the key role of mTORC1 in ZNP-induced decrease in mechanical strain resistance was determined both in vitro and in vivo. It can be concluded that ZNPs reduce epidermal mechanical strain resistance by promoting desmosomal cadherin endocytosis via the mTORC1-TFEB-BLOC1S3 axis. This study helps elucidate the biological effects of ZNPs and suggests that ZNPs increase the risk of epidermal fragmentation.
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Affiliation(s)
- Xuan Lai
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510515, China
| | - Menglei Wang
- Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Zhen Zhang
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510515, China
| | - Suya Chen
- Hospital of Stomatology, Guanghua school of Stomatology, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiner Tan
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510515, China
| | - Wenjing Liu
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510515, China
| | - Huimin Liang
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510515, China
| | - Li Li
- Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
| | - Longquan Shao
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510515, China.
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5
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Petitjean II, Tran QD, Goutou A, Kabir Z, Wiche G, Leduc C, Koenderink GH. Reconstitution of cytolinker-mediated crosstalk between actin and vimentin. Eur J Cell Biol 2024; 103:151403. [PMID: 38503131 DOI: 10.1016/j.ejcb.2024.151403] [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: 10/27/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 03/21/2024] Open
Abstract
Cell shape and motility are determined by the cytoskeleton, an interpenetrating network of actin filaments, microtubules, and intermediate filaments. The biophysical properties of each filament type individually have been studied extensively by cell-free reconstitution. By contrast, the interactions between the three cytoskeletal networks are relatively unexplored. They are coupled via crosslinkers of the plakin family such as plectin. These are challenging proteins for reconstitution because of their giant size and multidomain structure. Here we engineer a recombinant actin-vimentin crosslinker protein called 'ACTIF' that provides a minimal model system for plectin, recapitulating its modular design with actin-binding and intermediate filament-binding domains separated by a coiled-coil linker for dimerisation. We show by fluorescence and electron microscopy that ACTIF has a high binding affinity for vimentin and actin and creates mixed actin-vimentin bundles. Rheology measurements show that ACTIF-mediated crosslinking strongly stiffens actin-vimentin composites. Finally, we demonstrate the modularity of this approach by creating an ACTIF variant with the intermediate filament binding domain of Adenomatous Polyposis Coli. Our protein engineering approach provides a new cell-free system for the biophysical characterization of intermediate filament-binding crosslinkers and for understanding the mechanical synergy between actin and vimentin in mesenchymal cells.
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Affiliation(s)
- Irene Istúriz Petitjean
- Department of Bionanoscience & Kavli Institute of Nanoscience, Delft University of Technology, 2629 HZ, Delft, the Netherlands
| | - Quang D Tran
- CNRS, Institut Jacques Monod, Université Paris Cité, Paris F-75013, France
| | - Angeliki Goutou
- Department of Bionanoscience & Kavli Institute of Nanoscience, Delft University of Technology, 2629 HZ, Delft, the Netherlands
| | - Zima Kabir
- Department of Bionanoscience & Kavli Institute of Nanoscience, Delft University of Technology, 2629 HZ, Delft, the Netherlands
| | - Gerhard Wiche
- Max Perutz Laboratories, Department of Biochemistry and Cell Biology, University of Vienna, Vienna, Austria
| | - Cécile Leduc
- CNRS, Institut Jacques Monod, Université Paris Cité, Paris F-75013, France.
| | - Gijsje H Koenderink
- Department of Bionanoscience & Kavli Institute of Nanoscience, Delft University of Technology, 2629 HZ, Delft, the Netherlands.
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Nanes BA, Bhatt K, Boujemaa-Paterski R, Azarova E, Munawar S, Rajendran D, Isogai T, Dean KM, Medalia O, Danuser G. Keratin isoform shifts modulate motility signals during wound healing. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.05.04.538989. [PMID: 37205459 PMCID: PMC10187270 DOI: 10.1101/2023.05.04.538989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Keratin intermediate filaments form strong mechanical scaffolds that confer structural stability to epithelial tissues, but the reason this function requires a protein family with 54 isoforms is not understood. During skin wound healing, a shift in keratin isoform expression alters the composition of keratin filaments. How this change modulates cellular function to support epidermal remodeling remains unclear. We report an unexpected effect of keratin isoform variation on kinase signal transduction. Increased expression of wound-associated keratin 6A, but not of steady-state keratin 5, potentiated keratinocyte migration and wound closure without compromising epidermal stability by activating myosin motors. This pathway depended on isoform-specific interaction between intrinsically disordered keratin head domains and non-filamentous vimentin shuttling myosin-activating kinases. These results substantially expand the functional repertoire of intermediate filaments from their canonical role as mechanical scaffolds to include roles as isoform-tuned signaling scaffolds that organize signal transduction cascades in space and time to influence epithelial cell state.
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Affiliation(s)
- Benjamin A Nanes
- Department of Dermatology, UT Southwestern Medical Center; Dallas, TX 75390, USA
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center; Dallas, TX 75390, USA
| | - Kushal Bhatt
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center; Dallas, TX 75390, USA
| | | | - Evgenia Azarova
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center; Dallas, TX 75390, USA
- Present address: Department of Materials Science and Engineering, Johns Hopkins University; Baltimore, MD 21218, USA
| | - Sabahat Munawar
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center; Dallas, TX 75390, USA
| | - Divya Rajendran
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center; Dallas, TX 75390, USA
| | - Tadamoto Isogai
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center; Dallas, TX 75390, USA
| | - Kevin M Dean
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center; Dallas, TX 75390, USA
| | - Ohad Medalia
- Department of Biochemistry, University of Zurich; Zurich CH-8057, Switzerland
| | - Gaudenz Danuser
- Lyda Hill Department of Bioinformatics and Cecil H and Ida Green Center for Systems Biology, UT Southwestern Medical Center; Dallas, TX 75390, USA
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7
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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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8
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Alieva IB, Shakhov AS, Dayal AA, Churkina AS, Parfenteva OI, Minin AA. Unique Role of Vimentin in the Intermediate Filament Proteins Family. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:726-736. [PMID: 38831508 DOI: 10.1134/s0006297924040114] [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: 11/20/2023] [Revised: 12/10/2023] [Accepted: 03/21/2024] [Indexed: 06/05/2024]
Abstract
Intermediate filaments (IFs), being traditionally the least studied component of the cytoskeleton, have begun to receive more attention in recent years. IFs are found in different cell types and are specific to them. Accumulated data have shifted the paradigm about the role of IFs as structures that merely provide mechanical strength to the cell. In addition to this role, IFs have been shown to participate in maintaining cell shape and strengthening cell adhesion. The data have also been obtained that point out to the role of IFs in a number of other biological processes, including organization of microtubules and microfilaments, regulation of nuclear structure and activity, cell cycle control, and regulation of signal transduction pathways. They are also actively involved in the regulation of several aspects of intracellular transport. Among the intermediate filament proteins, vimentin is of particular interest for researchers. Vimentin has been shown to be associated with a range of diseases, including cancer, cataracts, Crohn's disease, rheumatoid arthritis, and HIV. In this review, we focus almost exclusively on vimentin and the currently known functions of vimentin intermediate filaments (VIFs). This is due to the structural features of vimentin, biological functions of its domains, and its involvement in the regulation of a wide range of basic cellular functions, and its role in the development of human diseases. Particular attention in the review will be paid to comparing the role of VIFs with the role of intermediate filaments consisting of other proteins in cell physiology.
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Affiliation(s)
- Irina B Alieva
- Belozersky Institute of Physical and Chemical Biology, Lomonosov Moscow State University, Moscow, 119992, Russia
| | - Anton S Shakhov
- Belozersky Institute of Physical and Chemical Biology, Lomonosov Moscow State University, Moscow, 119992, Russia
| | - Alexander A Dayal
- Institute of Protein Research, Russian Academy of Sciences, Moscow, 119334, Russia
| | - Aleksandra S Churkina
- Belozersky Institute of Physical and Chemical Biology, Lomonosov Moscow State University, Moscow, 119992, Russia
| | - Olga I Parfenteva
- Institute of Protein Research, Russian Academy of Sciences, Moscow, 119334, Russia
| | - Alexander A Minin
- Institute of Protein Research, Russian Academy of Sciences, Moscow, 119334, Russia.
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9
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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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10
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Huang D, Chen S, Xiong D, Wang H, Zhu L, Wei Y, Li Y, Zou S. Mitochondrial Dynamics: Working with the Cytoskeleton and Intracellular Organelles to Mediate Mechanotransduction. Aging Dis 2023; 14:1511-1532. [PMID: 37196113 PMCID: PMC10529762 DOI: 10.14336/ad.2023.0201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 02/01/2023] [Indexed: 05/19/2023] Open
Abstract
Cells are constantly exposed to various mechanical environments; therefore, it is important that they are able to sense and adapt to changes. It is known that the cytoskeleton plays a critical role in mediating and generating extra- and intracellular forces and that mitochondrial dynamics are crucial for maintaining energy homeostasis. Nevertheless, the mechanisms by which cells integrate mechanosensing, mechanotransduction, and metabolic reprogramming remain poorly understood. In this review, we first discuss the interaction between mitochondrial dynamics and cytoskeletal components, followed by the annotation of membranous organelles intimately related to mitochondrial dynamic events. Finally, we discuss the evidence supporting the participation of mitochondria in mechanotransduction and corresponding alterations in cellular energy conditions. Notable advances in bioenergetics and biomechanics suggest that the mechanotransduction system composed of mitochondria, the cytoskeletal system, and membranous organelles is regulated through mitochondrial dynamics, which may be a promising target for further investigation and precision therapies.
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Affiliation(s)
| | | | | | | | | | | | - Yuyu Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shujuan Zou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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11
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Merino-Casallo F, Gomez-Benito MJ, Hervas-Raluy S, Garcia-Aznar JM. Unravelling cell migration: defining movement from the cell surface. Cell Adh Migr 2022; 16:25-64. [PMID: 35499121 PMCID: PMC9067518 DOI: 10.1080/19336918.2022.2055520] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/10/2022] [Indexed: 12/13/2022] Open
Abstract
Cell motility is essential for life and development. Unfortunately, cell migration is also linked to several pathological processes, such as cancer metastasis. Cells' ability to migrate relies on many actors. Cells change their migratory strategy based on their phenotype and the properties of the surrounding microenvironment. Cell migration is, therefore, an extremely complex phenomenon. Researchers have investigated cell motility for more than a century. Recent discoveries have uncovered some of the mysteries associated with the mechanisms involved in cell migration, such as intracellular signaling and cell mechanics. These findings involve different players, including transmembrane receptors, adhesive complexes, cytoskeletal components , the nucleus, and the extracellular matrix. This review aims to give a global overview of our current understanding of cell migration.
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Affiliation(s)
- Francisco Merino-Casallo
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza, Spain
- Department of Mechanical Engineering, University of Zaragoza, Zaragoza, Spain
| | - Maria Jose Gomez-Benito
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza, Spain
- Department of Mechanical Engineering, University of Zaragoza, Zaragoza, Spain
| | - Silvia Hervas-Raluy
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza, Spain
- Department of Mechanical Engineering, University of Zaragoza, Zaragoza, Spain
| | - Jose Manuel Garcia-Aznar
- Multiscale in Mechanical and Biological Engineering (M2BE), Aragon Institute of Engineering Research (I3A), Zaragoza, Spain
- Department of Mechanical Engineering, University of Zaragoza, Zaragoza, Spain
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12
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Schmidt A, Kaakinen M, Wenta T, Manninen A. Loss of α6β4 Integrin-Mediated Hemidesmosomes Promotes Prostate Epithelial Cell Migration by Stimulating Focal Adhesion Dynamics. Front Cell Dev Biol 2022; 10:886569. [PMID: 35874837 PMCID: PMC9301336 DOI: 10.3389/fcell.2022.886569] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 06/17/2022] [Indexed: 11/13/2022] Open
Abstract
Epithelial cell adhesion is mediated by actin cytoskeleton-linked focal adhesions (FAs) and intermediate filament-associated hemidesmosomes (HDs). HDs are formed by α6β4-integrins and mediate stable anchoring to the extracellular matrix (ECM) while FAs containing β1-integrins regulate cell migration. Loss of HDs has been reported in various cancers such as prostate cancer where it correlates with increased invasive migration. Here we have studied cell migration properties and FA dynamics in genetically engineered prostate epithelial cell lines with intact or disrupted HDs. Disruption of HDs by depleting α6- or β4-integrin expression promoted collective cell migration and modulated migratory activity. Dynamic analysis of fluorescent protein-tagged FA marker proteins revealed faster FA assembly and disassembly kinetics in HD-depleted cells. FRAP analysis showed that loss of HDs correlated with faster diffusion rates of focal adhesion kinase (FAK) and vinculin in and out of FAs. These data suggest that loss of α6β4-mediated HDs promote cell migration and FA assembly dynamics by influencing the molecular diffusion rates of FAK.
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Affiliation(s)
- Anette Schmidt
- Disease Networks Research Unit, Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Mika Kaakinen
- Oulu Center for Cell-Matrix Research, Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Tomasz Wenta
- Disease Networks Research Unit, Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu, Oulu, Finland
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Gdansk, Poland
- *Correspondence: Tomasz Wenta, ; Aki Manninen,
| | - Aki Manninen
- Disease Networks Research Unit, Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu, Oulu, Finland
- *Correspondence: Tomasz Wenta, ; Aki Manninen,
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13
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Fluorescence microscopic imaging of single desmin intermediate filaments elongated by the presence of divalent cations in vitro. Biophys Chem 2022; 287:106839. [DOI: 10.1016/j.bpc.2022.106839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/27/2022] [Accepted: 05/24/2022] [Indexed: 11/18/2022]
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14
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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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15
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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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16
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Nanba D, Toki F, Asakawa K, Matsumura H, Shiraishi K, Sayama K, Matsuzaki K, Toki H, Nishimura EK. EGFR-mediated epidermal stem cell motility drives skin regeneration through COL17A1 proteolysis. J Cell Biol 2021; 220:e202012073. [PMID: 34550317 PMCID: PMC8563287 DOI: 10.1083/jcb.202012073] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 06/25/2021] [Accepted: 08/12/2021] [Indexed: 01/09/2023] Open
Abstract
Skin regenerative capacity declines with age, but the underlying mechanisms are largely unknown. Here we demonstrate a functional link between epidermal growth factor receptor (EGFR) signaling and type XVII collagen (COL17A1) proteolysis on age-associated alteration of keratinocyte stem cell dynamics in skin regeneration. Live-imaging and computer simulation experiments predicted that human keratinocyte stem cell motility is coupled with self-renewal and epidermal regeneration. Receptor tyrosine kinase array identified the age-associated decline of EGFR signaling in mouse skin wound healing. Culture experiments proved that EGFR activation drives human keratinocyte stem cell motility with increase of COL17A1 by inhibiting its proteolysis through the secretion of tissue inhibitor of metalloproteinases 1 (TIMP1). Intriguingly, COL17A1 directly regulated keratinocyte stem cell motility and collective cell migration by coordinating actin and keratin filament networks. We conclude that EGFR-COL17A1 axis-mediated keratinocyte stem cell motility drives epidermal regeneration, which provides a novel therapeutic approach for age-associated impaired skin regeneration.
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Affiliation(s)
- Daisuke Nanba
- Department of Stem Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Fujio Toki
- Department of Stem Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kyosuke Asakawa
- Department of Stem Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiroyuki Matsumura
- Department of Stem Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ken Shiraishi
- Department of Dermatology, Ehime University School of Medicine, Toon, Japan
| | - Koji Sayama
- Department of Dermatology, Ehime University School of Medicine, Toon, Japan
| | - Kyoichi Matsuzaki
- Department of Plastic and Reconstructive Surgery, International University of Health and Welfare, School of Medicine, Narita, Japan
| | - Hiroshi Toki
- Research Center for Nuclear Physics, Osaka University, Osaka, Japan
- Health Care Division, Health and Counseling Center, Osaka University, Osaka, Japan
| | - Emi K. Nishimura
- Department of Stem Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
- Division of Aging and Regeneration, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
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17
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Tayem R, Niemann C, Pesch M, Morgner J, Niessen CM, Wickström SA, Aumailley M. Laminin 332 Is Indispensable for Homeostatic Epidermal Differentiation Programs. J Invest Dermatol 2021; 141:2602-2610.e3. [PMID: 33965403 DOI: 10.1016/j.jid.2021.04.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/24/2021] [Accepted: 04/13/2021] [Indexed: 12/16/2022]
Abstract
The skin epidermis is attached to the underlying dermis by a laminin 332 (Lm332)-rich basement membrane. Consequently, loss of Lm332 leads to the severe blistering disorder epidermolysis bullosa junctionalis in humans and animals. Owing to the indispensable role of Lm332 in keratinocyte adhesion in vivo, the severity of the disease has limited research into other functions of the protein. We have conditionally disrupted Lm332 expression in basal keratinocytes of adult mice. Although blisters develop along the interfollicular epidermis, hair follicle basal cells provide sufficient anchorage of the epidermis to the dermis, making inducible deletion of the Lama3 gene compatible with life. Loss of Lm332 promoted the thickening of the epidermis and exaggerated desquamation. Global RNA expression analysis revealed major changes in the expression of keratins, cornified envelope proteins, and cellular stress markers. These modifications of the keratinocyte genetic program are accompanied by changes in cell shape and disorganization of the actin cytoskeleton. These data indicate that loss of Lm332-mediated progenitor cell adhesion alters cell fate and disturbs epidermal homeostasis.
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Affiliation(s)
- Raneem Tayem
- Center for Biochemistry, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Catherin Niemann
- Center for Biochemistry, Faculty of Medicine, University of Cologne, Cologne, Germany; Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Monika Pesch
- Center for Biochemistry, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Jessica Morgner
- Paul Gerson Unna Group 'Skin Homeostasis and Ageing', Max Planck Institute for Biology of Ageing, Cologne, Germany; Division of Molecular Pathology, Oncode Institute, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Carien M Niessen
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany; Medical Faculty, Department of Cell Biology of the Skin, University of Cologne, Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Sara A Wickström
- Paul Gerson Unna Group 'Skin Homeostasis and Ageing', Max Planck Institute for Biology of Ageing, Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany; Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland; Wihuri Research Institute, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
| | - Monique Aumailley
- Center for Biochemistry, Faculty of Medicine, University of Cologne, Cologne, Germany.
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18
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Gupta S, Patteson AE, Schwarz JM. The role of vimentin-nuclear interactions in persistent cell motility through confined spaces. NEW JOURNAL OF PHYSICS 2021; 23:093042. [PMID: 35530563 PMCID: PMC9075336 DOI: 10.1088/1367-2630/ac2550] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The ability of cells to move through small spaces depends on the mechanical properties of the cellular cytoskeleton and on nuclear deformability. In mammalian cells, the cytoskeleton is composed of three interacting, semi-flexible polymer networks: actin, microtubules, and intermediate filaments (IF). Recent experiments of mouse embryonic fibroblasts with and without vimentin have shown that the IF vimentin plays a role in confined cell motility. Here, we develop a minimal model of a cell moving through a microchannel that incorporates explicit effects of actin and vimentin and implicit effects of microtubules. Specifically, the model consists of a cell with an actomyosin cortex and a deformable cell nucleus and mechanical linkages between the two. By decreasing the amount of vimentin, we find that the cell speed increases for vimentin-null cells compared to cells with vimentin. The loss of vimentin increases nuclear deformation and alters nuclear positioning in the cell. Assuming nuclear positioning is a read-out for cell polarity, we propose a new polarity mechanism which couples cell directional motion with cytoskeletal strength and nuclear positioning and captures the abnormally persistent motion of vimentin-null cells, as observed in experiments. The enhanced persistence indicates that the vimentin-null cells are more controlled by the confinement and so less autonomous, relying more heavily on external cues than their wild-type counterparts. Our modeling results present a quantitative interpretation for recent experiments and have implications for understanding the role of vimentin in the epithelial-mesenchymal transition.
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Affiliation(s)
- Sarthak Gupta
- Physics Department and BioInspired Institute, Syracuse University, Syracuse, NY USA
| | - Alison E Patteson
- Physics Department and BioInspired Institute, Syracuse University, Syracuse, NY USA
| | - J M Schwarz
- Physics Department and BioInspired Institute, Syracuse University, Syracuse, NY USA
- Indian Creek Farm, Ithaca, NY USA
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19
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Inman A, Smutny M. Feeling the force: Multiscale force sensing and transduction at the cell-cell interface. Semin Cell Dev Biol 2021; 120:53-65. [PMID: 34238674 DOI: 10.1016/j.semcdb.2021.06.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 06/11/2021] [Accepted: 06/13/2021] [Indexed: 12/13/2022]
Abstract
A universal principle of all living cells is the ability to sense and respond to mechanical stimuli which is essential for many biological processes. Recent efforts have identified critical mechanosensitive molecules and response pathways involved in mechanotransduction during development and tissue homeostasis. Tissue-wide force transmission and local force sensing need to be spatiotemporally coordinated to precisely regulate essential processes during development such as tissue morphogenesis, patterning, cell migration and organogenesis. Understanding how cells identify and interpret extrinsic forces and integrate a specific response on cell and tissue level remains a major challenge. In this review we consider important cellular and physical factors in control of cell-cell mechanotransduction and discuss their significance for cell and developmental processes. We further highlight mechanosensitive macromolecules that are known to respond to external forces and present examples of how force responses can be integrated into cell and developmental programs.
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Affiliation(s)
- Angus Inman
- Centre for Mechanochemical Cell Biology and Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Coventry CV47AL, UK
| | - Michael Smutny
- Centre for Mechanochemical Cell Biology and Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Coventry CV47AL, UK.
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20
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Gentile A, Bensimon-Brito A, Priya R, Maischein HM, Piesker J, Guenther S, Gunawan F, Stainier DYR. The EMT transcription factor Snai1 maintains myocardial wall integrity by repressing intermediate filament gene expression. eLife 2021; 10:e66143. [PMID: 34152269 PMCID: PMC8216718 DOI: 10.7554/elife.66143] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 06/07/2021] [Indexed: 12/29/2022] Open
Abstract
The transcription factor Snai1, a well-known regulator of epithelial-to-mesenchymal transition, has been implicated in early cardiac morphogenesis as well as in cardiac valve formation. However, a role for Snai1 in regulating other aspects of cardiac morphogenesis has not been reported. Using genetic, transcriptomic, and chimeric analyses in zebrafish, we find that Snai1b is required in cardiomyocytes for myocardial wall integrity. Loss of snai1b increases the frequency of cardiomyocyte extrusion away from the cardiac lumen. Extruding cardiomyocytes exhibit increased actomyosin contractility basally as revealed by enrichment of p-myosin and α-catenin epitope α-18, as well as disrupted intercellular junctions. Transcriptomic analysis of wild-type and snai1b mutant hearts revealed the dysregulation of intermediate filament genes, including desmin b (desmb) upregulation. Cardiomyocyte-specific desmb overexpression caused increased cardiomyocyte extrusion, recapitulating the snai1b mutant phenotype. Altogether, these results indicate that Snai1 maintains the integrity of the myocardial epithelium, at least in part by repressing desmb expression.
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Affiliation(s)
- Alessandra Gentile
- Max Planck Institute for Heart and Lung Research, Department of Developmental GeneticsBad NauheimGermany
| | - Anabela Bensimon-Brito
- Max Planck Institute for Heart and Lung Research, Department of Developmental GeneticsBad NauheimGermany
- DZHK German Centre for Cardiovascular Research, Partner Site Rhine-MainBad NauheimGermany
| | - Rashmi Priya
- Max Planck Institute for Heart and Lung Research, Department of Developmental GeneticsBad NauheimGermany
- DZHK German Centre for Cardiovascular Research, Partner Site Rhine-MainBad NauheimGermany
| | - Hans-Martin Maischein
- Max Planck Institute for Heart and Lung Research, Department of Developmental GeneticsBad NauheimGermany
| | - Janett Piesker
- Max Planck Institute for Heart and Lung Research, Microscopy Service GroupBad NauheimGermany
| | - Stefan Guenther
- DZHK German Centre for Cardiovascular Research, Partner Site Rhine-MainBad NauheimGermany
- Max Planck Institute for Heart and Lung Research, Bioinformatics and Deep Sequencing PlatformBad NauheimGermany
| | - Felix Gunawan
- Max Planck Institute for Heart and Lung Research, Department of Developmental GeneticsBad NauheimGermany
- DZHK German Centre for Cardiovascular Research, Partner Site Rhine-MainBad NauheimGermany
| | - Didier YR Stainier
- Max Planck Institute for Heart and Lung Research, Department of Developmental GeneticsBad NauheimGermany
- DZHK German Centre for Cardiovascular Research, Partner Site Rhine-MainBad NauheimGermany
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21
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Na HH, Ryu JM, Kim KC. Knockout of FosB gene changes drug sensitivity and invasion activity via the regulation of Bcl-2, E-cadherin, β-catenin, and vimentin expression. Biochem Biophys Res Commun 2021; 567:131-137. [PMID: 34153682 DOI: 10.1016/j.bbrc.2021.06.031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 06/07/2021] [Indexed: 12/29/2022]
Abstract
Our previous research suggested the presence of a novel SETDB1-mediated FosB pathway that could be responsible for the regulation of cell proliferation and invasiveness during anticancer treatments. In this study, we prepared FosB knock-out (FosB-KO) A549 human lung cancer cells using the CRISPR/Cas9 system and examined the physiological and molecular changes that caused. Annexin V and TUNEL assays showed that FosB-KO clones were less sensitive to doxorubicin treatment compared to the control A549 cells. Bcl2 expression and mitochondrial membrane potential were also both markedly increased in FosB-KO clones, which suggests the involvement of Bcl2 in the doxorubicin mediated increase in cell viability demonstrated the FosB-KO clones. Moreover, we identified changes in the migration and transforming activities of the FosB-KO clones that coincided with changes in the expression levels of E-cadherin, β-catenin, and Vimentin. RT-PCR and qPCR analysis showed that the expressions of Bcl2, E-cadherin, β-catenin, and Vimentin were regulated at the transcriptional level. Importantly, FosB overexpression in FosB-KO clones restored the expression of Bcl2, Akt, E-cad, β-catenin, and Vimentin, suggesting that those proteins were tightly regulated by FosB. These data suggest that the FosB gene critically regulates both drug sensitivity and invasion related genes, and does so in a manner coordinated with the function of SETDB1. Therefore, we propose that the FosB gene regulates both drug sensitivity and invasion activity related genes, and also shows coordinated function with SETDB1 for the regulation of target proteins.
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Affiliation(s)
- Han-Heom Na
- Department of Biological Sciences, College of Natural Sciences, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Jae-Min Ryu
- Department of Biological Sciences, College of Natural Sciences, Kangwon National University, Chuncheon, 24341, Republic of Korea
| | - Keun-Cheol Kim
- Department of Biological Sciences, College of Natural Sciences, Kangwon National University, Chuncheon, 24341, Republic of Korea.
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22
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Le Maout E, Lo Vecchio S, Kumar Korla P, Jinn-Chyuan Sheu J, Riveline D. Ratchetaxis in Channels: Entry Point and Local Asymmetry Set Cell Directions in Confinement. Biophys J 2021; 119:1301-1308. [PMID: 33027610 DOI: 10.1016/j.bpj.2020.08.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 08/20/2020] [Accepted: 08/26/2020] [Indexed: 01/02/2023] Open
Abstract
Cell motility is essential in a variety of biological phenomena ranging from early development to organ homeostasis and diseases. This phenomenon has mainly been studied and characterized on flat surfaces in vitro, whereas such conditions are rarely observed in vivo. Recently, cell motion in three-dimensional microfabricated channels was reported to be possible, and it was shown that confined cells push on walls. However, rules setting cell directions in this context have not yet been characterized. Here, we show by using assays that ratchetaxis operates in three-dimensional ratchets in fibroblasts and epithelial cancerous cells. Open ratchets rectify cell motion, whereas closed ratchets impose direct cell migration along channels set by the cell orientation at the channel entry point. We also show that nuclei are pressed in constriction zones through mechanisms involving dynamic asymmetries of focal contacts, stress fibers, and intermediate filaments. Interestingly, cells do not pass these constricting zones when they contain a defective keratin fusion protein implicated in squamous cancer. By combining ratchetaxis with chemical gradients, we finally report that cells are sensitive to local asymmetries in confinement and that topological and chemical cues may be encoded differently by cells. Overall, our ratchet channels could mimic small blood vessels in which cells such as circulating tumor cells are confined; cells can probe local asymmetries that determine their entry into tissues and their subsequent direction. Our results shed light on invasion mechanisms in cancer.
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Affiliation(s)
- Emilie Le Maout
- Laboratory of Cell Physics ISIS/IGBMC, CNRS and University of Strasbourg, Strasbourg, France; Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France; Centre National de la Recherche Scientifique, Illkirch, France; Institut National de la Santé et de la Recherche Médicale, Illkirch, France; Université de Strasbourg, Illkirch, France
| | - Simon Lo Vecchio
- Laboratory of Cell Physics ISIS/IGBMC, CNRS and University of Strasbourg, Strasbourg, France; Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France; Centre National de la Recherche Scientifique, Illkirch, France; Institut National de la Santé et de la Recherche Médicale, Illkirch, France; Université de Strasbourg, Illkirch, France
| | - Praveen Kumar Korla
- Institute of Biomedical Sciences, National Sun Yatsen University, Kaohsiung, Taiwan; School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Jim Jinn-Chyuan Sheu
- Institute of Biomedical Sciences, National Sun Yatsen University, Kaohsiung, Taiwan; School of Chinese Medicine, China Medical University, Taichung, Taiwan; Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan; Department of Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Daniel Riveline
- Laboratory of Cell Physics ISIS/IGBMC, CNRS and University of Strasbourg, Strasbourg, France; Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France; Centre National de la Recherche Scientifique, Illkirch, France; Institut National de la Santé et de la Recherche Médicale, Illkirch, France; Université de Strasbourg, Illkirch, France.
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23
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Skeletal and Cardiac Muscle Disorders Caused by Mutations in Genes Encoding Intermediate Filament Proteins. Int J Mol Sci 2021; 22:ijms22084256. [PMID: 33923914 PMCID: PMC8073371 DOI: 10.3390/ijms22084256] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/12/2021] [Accepted: 04/15/2021] [Indexed: 02/08/2023] Open
Abstract
Intermediate filaments are major components of the cytoskeleton. Desmin and synemin, cytoplasmic intermediate filament proteins and A-type lamins, nuclear intermediate filament proteins, play key roles in skeletal and cardiac muscle. Desmin, encoded by the DES gene (OMIM *125660) and A-type lamins by the LMNA gene (OMIM *150330), have been involved in striated muscle disorders. Diseases include desmin-related myopathy and cardiomyopathy (desminopathy), which can be manifested with dilated, restrictive, hypertrophic, arrhythmogenic, or even left ventricular non-compaction cardiomyopathy, Emery–Dreifuss Muscular Dystrophy (EDMD2 and EDMD3, due to LMNA mutations), LMNA-related congenital Muscular Dystrophy (L-CMD) and LMNA-linked dilated cardiomyopathy with conduction system defects (CMD1A). Recently, mutations in synemin (SYNM gene, OMIM *606087) have been linked to cardiomyopathy. This review will summarize clinical and molecular aspects of desmin-, lamin- and synemin-related striated muscle disorders with focus on LMNA and DES-associated clinical entities and will suggest pathogenetic hypotheses based on the interplay of desmin and lamin A/C. In healthy muscle, such interplay is responsible for the involvement of this network in mechanosignaling, nuclear positioning and mitochondrial homeostasis, while in disease it is disturbed, leading to myocyte death and activation of inflammation and the associated secretome alterations.
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24
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Regulatory mechanisms and clinical significance of vimentin in breast cancer. Biomed Pharmacother 2020; 133:111068. [PMID: 33378968 DOI: 10.1016/j.biopha.2020.111068] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 11/18/2020] [Accepted: 11/20/2020] [Indexed: 02/05/2023] Open
Abstract
Vimentin, a kind of intermediate filament protein III in mesenchymal cells, has become a highly researched topic around the world in recent years, as it holds complex biological functions and plays an important role in the epithelial-mesenchymal transition in the evolution of various tumors. This article reviews the biological function of vimentin and its relationship with breast cancer in order to provide novel ideas about the clinical diagnosis and targeted therapy of breast cancer.
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25
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Redmond CJ, Coulombe PA. Intermediate filaments as effectors of differentiation. Curr Opin Cell Biol 2020; 68:155-162. [PMID: 33246268 DOI: 10.1016/j.ceb.2020.10.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/09/2020] [Accepted: 10/12/2020] [Indexed: 12/16/2022]
Abstract
After the initial discovery of intermediate filament (IF)-forming proteins in 1968, a decade would elapse before they were revealed to comprise a diverse group of proteins which undergo tissue-, developmental stage-, differentiation-, and context-dependent regulation. Our appreciation for just how large (n = 70), conserved, complex, and dynamic IF genes and proteins are became even sharper upon completion of the human genome project. While there has been extraordinary progress in understanding the multimodal roles of IFs in cells and tissues, even revealing them as direct causative agents in a broad array of human genetic disorders, the link between individual IFs and cell differentiation has remained elusive. Here, we review evidence that demonstrates a role for IFs in lineage determination, cell differentiation, and tissue homeostasis. A major theme in this review is the function of IFs as sensors and transducers of mechanical forces, intersecting microenvironmental cues and fundamental processes through cellular redox balance.
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Affiliation(s)
- Catherine J Redmond
- Graduate Program in Cancer Biology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA; Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
| | - Pierre A Coulombe
- Graduate Program in Cancer Biology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA; Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA; Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA; Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, MI, 48109, USA.
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