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Clarke J, Melcher L, Crowell AD, Cavanna F, Houser JR, Graham K, Green AM, Stachowiak JC, Truskett TM, Milliron DJ, Rosales AM, Das M, Alvarado J. Morphological control of bundled actin networks subject to fixed-mass depletion. J Chem Phys 2024; 161:074905. [PMID: 39166892 DOI: 10.1063/5.0197269] [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: 01/12/2024] [Accepted: 07/10/2024] [Indexed: 08/23/2024] Open
Abstract
Depletion interactions are thought to significantly contribute to the organization of intracellular structures in the crowded cytosol. The strength of depletion interactions depends on physical parameters such as the depletant number density and the depletant size ratio. Cells are known to dynamically regulate these two parameters by varying the copy number of proteins of a wide distribution of sizes. However, mammalian cells are also known to keep the total protein mass density remarkably constant, to within 0.5% throughout the cell cycle. We thus ask how the strength of depletion interactions varies when the total depletant mass is held fixed, a.k.a. fixed-mass depletion. We answer this question via scaling arguments, as well as by studying depletion effects on networks of reconstituted semiflexible actin in silico and in vitro. We examine the maximum strength of the depletion interaction potential U∗ as a function of q, the size ratio between the depletant and the matter being depleted. We uncover a scaling relation U∗ ∼ qζ for two cases: fixed volume fraction φ and fixed mass density ρ. For fixed volume fraction, we report ζ < 0. For the fixed mass density case, we report ζ > 0, which suggests that the depletion interaction strength increases as the depletant size ratio is increased. To test this prediction, we prepared our filament networks at fixed mass concentrations with varying sizes of the depletant molecule poly(ethylene glycol) (PEG). We characterize the depletion interaction strength in our simulations via the mesh size. In experiments, we observe two distinct actin network morphologies, which we call weakly bundled and strongly bundled. We identify a mass concentration where different PEG depletant sizes lead to weakly bundled or strongly bundled morphologies. For these conditions, we find that the mesh size and intra-bundle spacing between filaments across the different morphologies do not show significant differences, while the dynamic light scattering relaxation time and storage modulus between the two states do show significant differences. Our results demonstrate the ability to tune actin network morphology and mechanics by controlling depletant size and give insights into depletion interaction mechanisms under the fixed-depletant-mass constraint relevant to living cells.
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Affiliation(s)
- James Clarke
- UT Austin Department of Physics, 2515 Speedway, Austin, Texas 78712, USA
| | - Lauren Melcher
- School of Mathematical Sciences, Rochester Institute of Technology, Rochester, New York 14623, USA
| | - Anne D Crowell
- UT Austin McKetta Department of Chemical Engineering, E 24th St., Austin, Texas 78712, USA
| | - Francis Cavanna
- UT Austin Department of Physics, 2515 Speedway, Austin, Texas 78712, USA
| | - Justin R Houser
- UT Austin Department of Biomedical Engineering, Austin, Texas 78712, USA
| | - Kristin Graham
- UT Austin Department of Biomedical Engineering, Austin, Texas 78712, USA
| | - Allison M Green
- UT Austin McKetta Department of Chemical Engineering, E 24th St., Austin, Texas 78712, USA
| | - Jeanne C Stachowiak
- UT Austin McKetta Department of Chemical Engineering, E 24th St., Austin, Texas 78712, USA
- UT Austin Department of Biomedical Engineering, Austin, Texas 78712, USA
| | - Thomas M Truskett
- UT Austin McKetta Department of Chemical Engineering, E 24th St., Austin, Texas 78712, USA
| | - Delia J Milliron
- UT Austin McKetta Department of Chemical Engineering, E 24th St., Austin, Texas 78712, USA
| | - Adrianne M Rosales
- UT Austin McKetta Department of Chemical Engineering, E 24th St., Austin, Texas 78712, USA
| | - Moumita Das
- School of Mathematical Sciences, Rochester Institute of Technology, Rochester, New York 14623, USA
- School of Physics and Astronomy, Rochester Institute of Technology, Rochester, New York 14623, USA
| | - José Alvarado
- UT Austin Department of Physics, 2515 Speedway, Austin, Texas 78712, USA
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Wang X, Zhou Y, Wang L, Haseeb A, Li H, Zheng X, Guo J, Cheng X, Yin W, Sun N, Sun P, Zhang Z, Yang H, Fan K. Fascin-1 Promotes Cell Metastasis through Epithelial-Mesenchymal Transition in Canine Mammary Tumor Cell Lines. Vet Sci 2024; 11:238. [PMID: 38921985 PMCID: PMC11209228 DOI: 10.3390/vetsci11060238] [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: 04/12/2024] [Revised: 05/15/2024] [Accepted: 05/23/2024] [Indexed: 06/27/2024] Open
Abstract
Canine mammary tumors (CMTs) are the most common type of tumor in female dogs. In this study, we obtained a metastatic key protein, Fascin-1, by comparing the proteomics data of in situ tumor and metastatic cell lines from the same individual. However, the role of Fascin-1 in the CMT cell line is still unclear. Firstly, proteomics was used to analyze the differential expression of Fascin-1 between the CMT cell lines CHMm and CHMp. Then, the overexpression (CHMm-OE and CHMp-OE) and knockdown (CHMm-KD and CHMp-KD) cell lines were established by lentivirus transduction. Finally, the differentially expressed proteins (DEPs) in CHMm and CHMm-OE cells were identified through proteomics. The results showed that the CHMm cells isolated from CMT abdominal metastases exhibited minimal expression of Fascin-1. The migration, adhesion, and invasion ability of CHMm-OE and CHMp-OE cells increased, while the migration, adhesion, and invasion ability of CHMm-KD and CHMp-KD cells decreased. The overexpression of Fascin-1 can upregulate the Tetraspanin 4 (TSPAN4) protein in CHMm cells and increase the number of migrations. In conclusion, re-expressed Fascin-1 could promote cell EMT and increase lamellipodia formation, resulting in the enhancement of CHMm cell migration, adhesion, and invasion in vitro. This may be beneficial to improve female dogs' prognosis of CMT.
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Affiliation(s)
- Xin Wang
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Ye Zhou
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Linhao Wang
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Abdul Haseeb
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Hongquan Li
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Xiaozhong Zheng
- Medical Research Council (MRC) Centre for Inflammation Research, Queen’s Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Jianhua Guo
- Department of Veterinary Pathobiology, Schubot Exotic Bird Health Center, Texas A&M University, College Station, TX 77843, USA
| | - Xiaoliang Cheng
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Wei Yin
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Na Sun
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Panpan Sun
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Zhenbiao Zhang
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Huizhen Yang
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
| | - Kuohai Fan
- Shanxi Key Laboratory for Modernization of TCVM, College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong 030801, China; (X.W.)
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Isogai T, Murali VS, Zhou F, Wang X, Rajendran D, Perez-Castro L, Venkateswaran N, Conacci-Sorrell M, Danuser G. Anchorage-independent cell proliferation promoted by fascin's F-actin bundling. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.04.592404. [PMID: 38746129 PMCID: PMC11092747 DOI: 10.1101/2024.05.04.592404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
The actin filament (F-actin) bundling protein fascin-1 is highly enriched in many metastatic cancers. Fascin's contribution to metastasis have been ascribed to its enhancement of cell migration and invasion. However, mouse genetic studies clearly point to functions also in tumorigenesis, yet without mechanistic underpinnings. Here, we show that fascin expression promotes the formation of a non-canonical signaling complex that enables anchorage-independent proliferation. This complex shares similarities to focal adhesions and we refer to them as pseudo-adhesion signaling scaffolds (PASS). PASS are enriched with tyrosine phosphorylated proteins and require fascin's F-actin-bundling activity for its assembly. PASS serve as hubs for the Rac1/PAK/JNK proliferation signaling axis, driven by PASS-associated Rac-specific GEFs. Experimental disruption of either fascin or RacGEF function abrogates sustained proliferation of aggressive cancers in vitro and in vivo . These results add a new molecular element to the growing arsenal of metabolic and oncogenic signaling programs regulated by the cytoskeleton architecture.
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Kliewe F, Siegerist F, Hammer E, Al-Hasani J, Amling TRJ, Hollemann JZE, Schindler M, Drenic V, Simm S, Amann K, Daniel C, Lindenmeyer M, Hecker M, Völker U, Endlich N. Zyxin is important for the stability and function of podocytes, especially during mechanical stretch. Commun Biol 2024; 7:446. [PMID: 38605154 PMCID: PMC11009394 DOI: 10.1038/s42003-024-06125-5] [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: 07/18/2023] [Accepted: 03/29/2024] [Indexed: 04/13/2024] Open
Abstract
Podocyte detachment due to mechanical stress is a common issue in hypertension-induced kidney disease. This study highlights the role of zyxin for podocyte stability and function. We have found that zyxin is significantly up-regulated in podocytes after mechanical stretch and relocalizes from focal adhesions to actin filaments. In zyxin knockout podocytes, we found that the loss of zyxin reduced the expression of vinculin and VASP as well as the expression of matrix proteins, such as fibronectin. This suggests that zyxin is a central player in the translation of mechanical forces in podocytes. In vivo, zyxin is highly up-regulated in patients suffering from diabetic nephropathy and in hypertensive DOCA-salt treated mice. Furthermore, zyxin loss in mice resulted in proteinuria and effacement of podocyte foot processes that was measured by super resolution microscopy. This highlights the essential role of zyxin for podocyte maintenance in vitro and in vivo, especially under mechanical stretch.
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Affiliation(s)
- Felix Kliewe
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany.
| | - Florian Siegerist
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Elke Hammer
- Interfaculty Institute for Genetics and Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Jaafar Al-Hasani
- Department of Cardiovascular Physiology, Heidelberg University, Heidelberg, Germany
| | | | | | - Maximilian Schindler
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Vedran Drenic
- NIPOKA GmbH, Center of High-End Imaging, Greifswald, Germany
| | - Stefan Simm
- Institute of Bioinformatics, University Medicine Greifswald, Greifswald, Germany
| | - Kerstin Amann
- Department of Nephropathology; Friedrich-Alexander University (FAU) Erlangen-Nuremberg, Erlangen, Germany
| | - Christoph Daniel
- Department of Nephropathology; Friedrich-Alexander University (FAU) Erlangen-Nuremberg, Erlangen, Germany
| | - Maja Lindenmeyer
- III. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center for Kidney Health (HCKH), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Markus Hecker
- Department of Cardiovascular Physiology, Heidelberg University, Heidelberg, Germany
| | - Uwe Völker
- Interfaculty Institute for Genetics and Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Nicole Endlich
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
- NIPOKA GmbH, Center of High-End Imaging, Greifswald, Germany
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Huang J, Hu X, Chen Z, Ouyang F, Li J, Hu Y, Zhao Y, Wang J, Yao F, Jing J, Cheng L. Fascin-1 limits myosin activity in microglia to control mechanical characterization of the injured spinal cord. J Neuroinflammation 2024; 21:88. [PMID: 38600569 PMCID: PMC11005239 DOI: 10.1186/s12974-024-03089-5] [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: 01/26/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024] Open
Abstract
BACKGROUND Mechanical softening of the glial scar region regulates axonal regeneration to impede neurological recovery in central nervous system (CNS) injury. Microglia, a crucial cellular component of the glial scar, facilitate neuronal survival and neurological recovery after spinal cord injury (SCI). However, the critical mechanical characterization of injured spinal cord that harmonizes neuroprotective function of microglia remains poorly understood. METHODS Spinal cord tissue stiffness was assessed using atomic force microscopy (AFM) in a mouse model of crush injury. Pharmacological depletion of microglia using PLX5622 was used to explore the effect of microglia on mechanical characterization. Conditional knockout of Fascin-1 in microglia (Fascin-1 CKO) alone or in combination with inhibition of myosin activity was performed to delve into relevant mechanisms of microglia regulating mechanical signal. Immunofluorescence staining was performed to evaluate the related protein levels, inflammatory cells, and neuron survival after SCI. The Basso mouse scale score was calculated to assess functional recovery. RESULTS Spinal cord tissue significantly softens after SCI. Microglia depletion or Fascin-1 knockout in microglia limits tissue softening and alters mechanical characterization, which leads to increased tissue pathology and impaired functional recovery. Mechanistically, Fascin-1 inhibits myosin activation to promote microglial migration and control mechanical characterization after SCI. CONCLUSIONS We reveal that Fascin-1 limits myosin activity to regulate mechanical characterization after SCI, and this mechanical signal should be considered in future approaches for the treatment of CNS diseases.
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Affiliation(s)
- Jinxin Huang
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Xuyang Hu
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Zeqiang Chen
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Fangru Ouyang
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Jianjian Li
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Yixue Hu
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Yuanzhe Zhao
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Jingwen Wang
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Fei Yao
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
| | - Juehua Jing
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
| | - Li Cheng
- Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
- Institute of Orthopaedics, Research Center for Translational Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
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Denisin AK, Kim H, Riedel-Kruse IH, Pruitt BL. Field Guide to Traction Force Microscopy. Cell Mol Bioeng 2024; 17:87-106. [PMID: 38737454 PMCID: PMC11082129 DOI: 10.1007/s12195-024-00801-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Accepted: 03/26/2024] [Indexed: 05/14/2024] Open
Abstract
Introduction Traction force microscopy (TFM) is a widely used technique to measure cell contractility on compliant substrates that mimic the stiffness of human tissues. For every step in a TFM workflow, users make choices which impact the quantitative results, yet many times the rationales and consequences for making these decisions are unclear. We have found few papers which show the complete experimental and mathematical steps of TFM, thus obfuscating the full effects of these decisions on the final output. Methods Therefore, we present this "Field Guide" with the goal to explain the mathematical basis of common TFM methods to practitioners in an accessible way. We specifically focus on how errors propagate in TFM workflows given specific experimental design and analytical choices. Results We cover important assumptions and considerations in TFM substrate manufacturing, substrate mechanical properties, imaging techniques, image processing methods, approaches and parameters used in calculating traction stress, and data-reporting strategies. Conclusions By presenting a conceptual review and analysis of TFM-focused research articles published over the last two decades, we provide researchers in the field with a better understanding of their options to make more informed choices when creating TFM workflows depending on the type of cell being studied. With this review, we aim to empower experimentalists to quantify cell contractility with confidence. Supplementary Information The online version contains supplementary material available at 10.1007/s12195-024-00801-6.
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Affiliation(s)
| | - Honesty Kim
- Department of Bioengineering, Stanford University, Stanford, CA 94305 USA
- Present Address: The Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158 USA
- Department of Molecular and Cellular Biology, and (by courtesy) Departments of Biomedical Engineering, Applied Mathematics, and Physics, University of Arizona, Tucson, AZ 85721 USA
| | - Ingmar H. Riedel-Kruse
- Department of Molecular and Cellular Biology, and (by courtesy) Departments of Biomedical Engineering, Applied Mathematics, and Physics, University of Arizona, Tucson, AZ 85721 USA
| | - Beth L. Pruitt
- Departments of Bioengineering and Mechanical Engineering, University of California Santa Barbara, Santa Barbara, CA 93106 USA
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Burgess SG, Paul NR, Richards MW, Ault JR, Askenatzis L, Claydon SG, Corbyn R, Machesky LM, Bayliss R. A nanobody inhibitor of Fascin-1 actin-bundling activity and filopodia formation. Open Biol 2024; 14:230376. [PMID: 38503329 PMCID: PMC10960945 DOI: 10.1098/rsob.230376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 01/16/2024] [Indexed: 03/21/2024] Open
Abstract
Fascin-1-mediated actin-bundling activity is central to the generation of plasma membrane protrusions required for cell migration. Dysregulated formation of cellular protrusions is observed in metastatic cancers, where they are required for increased invasiveness, and is often correlated with increased Fascin-1 abundance. Therefore, there is interest in generating therapeutic Fascin-1 inhibitors. We present the identification of Nb 3E11, a nanobody inhibitor of Fascin-1 actin-bundling activity and filopodia formation. The crystal structure of the Fascin-1/Nb 3E11 complex reveals the structural mechanism of inhibition. Nb 3E11 occludes an actin-binding site on the third β-trefoil domain of Fascin-1 that is currently not targeted by chemical inhibitors. Binding of Nb 3E11 to Fascin-1 induces a conformational change in the adjacent domains to stabilize Fascin-1 in an inhibitory state similar to that adopted in the presence of small-molecule inhibitors. Nb 3E11 could be used as a tool inhibitor molecule to aid in the development of Fascin-1 targeted therapeutics.
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Affiliation(s)
- Selena G. Burgess
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Nikki R. Paul
- Cancer Research UK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK
| | - Mark W. Richards
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - James R. Ault
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Laurie Askenatzis
- Cancer Research UK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK
| | - Sophie G. Claydon
- Cancer Research UK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow G61 1QH, UK
| | - Ryan Corbyn
- Cancer Research UK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK
| | - Laura M. Machesky
- Cancer Research UK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow G61 1QH, UK
- Department of Biochemistry, University of Cambridge, Cambridge CB2 1GA, UK
| | - Richard Bayliss
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
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Cherubini M, Erickson S, Padmanaban P, Haberkant P, Stein F, Beltran-Sastre V, Haase K. Flow in fetoplacental-like microvessels in vitro enhances perfusion, barrier function, and matrix stability. SCIENCE ADVANCES 2023; 9:eadj8540. [PMID: 38134282 PMCID: PMC10745711 DOI: 10.1126/sciadv.adj8540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/22/2023] [Indexed: 12/24/2023]
Abstract
Proper placental vascularization is vital for pregnancy outcomes, but assessing it with animal models and human explants has limitations. We introduce a 3D in vitro model of human placenta terminal villi including fetal mesenchyme and vascular endothelium. By coculturing HUVEC, placental fibroblasts, and pericytes in a macrofluidic chip with a flow reservoir, we generate fully perfusable fetal microvessels. Pressure-driven flow facilitates microvessel growth and remodeling, resulting in early formation of interconnected and lasting placental-like vascular networks. Computational fluid dynamics simulations predict shear forces, which increase microtissue stiffness, decrease diffusivity, and enhance barrier function as shear stress rises. Mass spectrometry analysis reveals enhanced protein expression with flow, including matrix stability regulators, proteins associated with actin dynamics, and cytoskeleton organization. Our model provides a powerful tool for deducing complex in vivo parameters, such as shear stress on developing vascularized placental tissue, and holds promise for unraveling gestational disorders related to the vasculature.
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Affiliation(s)
- Marta Cherubini
- European Molecular Biology Laboratory (EMBL), Barcelona, Spain
| | - Scott Erickson
- European Molecular Biology Laboratory (EMBL), Barcelona, Spain
| | | | - Per Haberkant
- Proteomics Core Facility, EMBL Heidelberg, Heidelberg, Germany
| | - Frank Stein
- Proteomics Core Facility, EMBL Heidelberg, Heidelberg, Germany
| | | | - Kristina Haase
- European Molecular Biology Laboratory (EMBL), Barcelona, Spain
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9
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Rajan S, Yoon J, Wu H, Srapyan S, Baskar R, Ahmed G, Yang T, Grintsevich EE, Reisler E, Terman JR. Disassembly of bundled F-actin and cellular remodeling via an interplay of Mical, cofilin, and F-actin crosslinkers. Proc Natl Acad Sci U S A 2023; 120:e2309955120. [PMID: 37725655 PMCID: PMC10523612 DOI: 10.1073/pnas.2309955120] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 08/11/2023] [Indexed: 09/21/2023] Open
Abstract
Cellular form and function are controlled by the assembly and stability of actin cytoskeletal structures-but disassembling/pruning these structures is equally essential for the plasticity and remodeling that underlie behavioral adaptations. Importantly, the mechanisms of actin assembly have been well-defined-including that it is driven by actin's polymerization into filaments (F-actin) and then often bundling by crosslinking proteins into stable higher-order structures. In contrast, it remains less clear how these stable bundled F-actin structures are rapidly disassembled. We now uncover mechanisms that rapidly and extensively disassemble bundled F-actin. Using biochemical, structural, and imaging assays with purified proteins, we show that F-actin bundled with one of the most prominent crosslinkers, fascin, is extensively disassembled by Mical, the F-actin disassembly enzyme. Furthermore, the product of this Mical effect, Mical-oxidized actin, is poorly bundled by fascin, thereby further amplifying Mical's disassembly effects on bundled F-actin. Moreover, another critical F-actin regulator, cofilin, also affects fascin-bundled filaments, but we find herein that it synergizes with Mical to dramatically amplify its disassembly of bundled F-actin compared to the sum of their individual effects. Genetic and high-resolution cellular assays reveal that Mical also counteracts crosslinking proteins/bundled F-actin in vivo to control cellular extension, axon guidance, and Semaphorin/Plexin cell-cell repulsion. Yet, our results also support the idea that fascin-bundling serves to dampen Mical's F-actin disassembly in vitro and in vivo-and that physiologically relevant cellular remodeling requires a fine-tuned interplay between the factors that build bundled F-actin networks and those that disassemble them.
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Affiliation(s)
- Sudeepa Rajan
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA90095
| | - Jimok Yoon
- Department of Neuroscience, The University of Texas of Southwestern Medical Center, Dallas, TX75390
- Department of Pharmacology, The University of Texas of Southwestern Medical Center, Dallas, TX75390
| | - Heng Wu
- Department of Neuroscience, The University of Texas of Southwestern Medical Center, Dallas, TX75390
- Department of Pharmacology, The University of Texas of Southwestern Medical Center, Dallas, TX75390
| | - Sargis Srapyan
- Department of Chemistry and Biochemistry, California State University, Long Beach, CA90840
| | - Raju Baskar
- Department of Neuroscience, The University of Texas of Southwestern Medical Center, Dallas, TX75390
- Department of Pharmacology, The University of Texas of Southwestern Medical Center, Dallas, TX75390
| | - Giasuddin Ahmed
- Department of Neuroscience, The University of Texas of Southwestern Medical Center, Dallas, TX75390
- Department of Pharmacology, The University of Texas of Southwestern Medical Center, Dallas, TX75390
| | - Taehong Yang
- Department of Neuroscience, The University of Texas of Southwestern Medical Center, Dallas, TX75390
- Department of Pharmacology, The University of Texas of Southwestern Medical Center, Dallas, TX75390
| | - Elena E. Grintsevich
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA90095
- Department of Chemistry and Biochemistry, California State University, Long Beach, CA90840
| | - Emil Reisler
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA90095
- Molecular Biology Institute, University of California, Los Angeles, CA90095
| | - Jonathan R. Terman
- Department of Neuroscience, The University of Texas of Southwestern Medical Center, Dallas, TX75390
- Department of Pharmacology, The University of Texas of Southwestern Medical Center, Dallas, TX75390
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10
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Chen X, Roeters SJ, Cavanna F, Alvarado J, Baiz CR. Crowding alters F-actin secondary structure and hydration. Commun Biol 2023; 6:900. [PMID: 37660224 PMCID: PMC10475093 DOI: 10.1038/s42003-023-05274-3] [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: 04/28/2023] [Accepted: 08/22/2023] [Indexed: 09/04/2023] Open
Abstract
Actin, an important component of eukaryotic cell cytoskeleton, regulates cell shape and transport. The morphology and biochemical properties of actin filaments are determined by their structure and protein-protein contacts. Crowded environments can organize filaments into bundles, but less is known about how they affect F-actin structure. This study used 2D IR spectroscopy and spectral calculations to examine how crowding and bundling impact the secondary structure and local environments in filaments and weakly or strongly bundled networks. The results reveal that bundling induces changes in actin's secondary structure, leading to a decrease in β-sheet and an increase in loop conformations. Strongly bundled networks exhibit a decrease in backbone solvent exposure, with less perturbed α-helices and nearly "locked" β-sheets. Similarly, the loops become less hydrated but maintain a dynamic environment. These findings highlight the role of loop structure in actin network morphology and stability under morphology control by PEG.
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Affiliation(s)
- Xiaobing Chen
- Department of Chemistry, University of Texas at Austin, Austin, TX, USA
| | - Steven J Roeters
- Department of Chemistry, Aarhus University, Aarhus, Denmark
- Department of Anatomy and Neurosciences, Vrije Universiteit, Amsterdam UMC, Amsterdam, Netherlands
| | - Francis Cavanna
- Department of Physics, University of Texas at Austin, Center for Nonlinear Dynamics, Austin, TX, USA
| | - José Alvarado
- Department of Physics, University of Texas at Austin, Center for Nonlinear Dynamics, Austin, TX, USA
| | - Carlos R Baiz
- Department of Chemistry, University of Texas at Austin, Austin, TX, USA.
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11
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Izdebska M, Zielińska W, Krajewski A, Grzanka A. Fascin in migration and metastasis of breast cancer cells - A review. Adv Med Sci 2023; 68:290-297. [PMID: 37660543 DOI: 10.1016/j.advms.2023.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 03/20/2023] [Accepted: 08/28/2023] [Indexed: 09/05/2023]
Abstract
Cancer cell migration and metastasis are the biggest problems in the treatment of cancer patients. The most aggressive breast cancer (BC) is the triple-negative type. Therefore, effective therapeutic targets that limit cell migration are sought. One such target may be fascin, as its overexpression is characteristic to triple-negative breast cancer. The high level of fascin enables the formation of protrusion and thus promotes the invasion of cancer cells. Fascin also shows co-localization or functional relationships with other proteins. These are proteins involved in the epithelial-mesenchymal transition process, vimentin, cadherins, β-catenin, and matrix metalloproteinases 2/9 (MMP-2/9). Fascin is also involved in many signaling pathways protein kinase C-δ (PKCδ), Wnt/β-catenin, nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), and phosphatidylinositol 3-kinase (PI3K)-Akt. Therefore, in this article, we review currently available in vitro studies and compare them with The Cancer Genome Atlas (TCGA) data analysis of BC patients to demonstrate the role of fascin in the migration and invasion of cancer cells.
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Affiliation(s)
- Magdalena Izdebska
- Department of Histology and Embryology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Poland
| | - Wioletta Zielińska
- Department of Histology and Embryology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Poland
| | - Adrian Krajewski
- Department of Histology and Embryology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Poland.
| | - Alina Grzanka
- Department of Histology and Embryology, Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Poland
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12
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Wang HJ, Jiang YP, Zhang JY, Tang XQ, Lou JS, Huang XY. Roles of Fascin in Dendritic Cells. Cancers (Basel) 2023; 15:3691. [PMID: 37509352 PMCID: PMC10378208 DOI: 10.3390/cancers15143691] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/07/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Dendritic cells (DCs) are professional antigen-presenting cells that play a crucial role in activating naive T cells through presenting antigen information, thereby influencing immunity and anti-cancer responses. Fascin, a 55-kDa actin-bundling protein, is highly expressed in mature DCs and serves as a marker protein for their identification. However, the precise role of fascin in intratumoral DCs remains poorly understood. In this review, we aim to summarize the role of fascin in both normal and intratumoral DCs. In normal DCs, fascin promotes immune effects through facilitating DC maturation and migration. Through targeting intratumoral DCs, fascin inhibitors enhance anti-tumor immune activity. These roles of fascin in different DC populations offer valuable insights for future research in immunotherapy and strategies aimed at improving cancer treatments.
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Affiliation(s)
- Hao-Jie Wang
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Ya-Ping Jiang
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Jun-Ying Zhang
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Xiao-Qi Tang
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Jian-Shu Lou
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Xin-Yun Huang
- Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA
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13
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Zhang H, Fan J, Maclin JM, Wan LQ. The Actin Crosslinker Fascin Regulates Cell Chirality. Adv Biol (Weinh) 2023; 7:e2200240. [PMID: 36658789 PMCID: PMC10293081 DOI: 10.1002/adbi.202200240] [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: 09/03/2022] [Revised: 12/27/2022] [Indexed: 01/21/2023]
Abstract
The left-right (L-R) asymmetry of the cells, or cell chirality, is a well-known intrinsic property derived from the dynamic organization of the actin cytoskeleton. Cell chirality can be regulated by actin-binding proteins such as α-actinin-1 and can also be mediated by certain signaling pathways, such as protein kinase C (PKC) signaling. Fascin, an actin crosslinker known to mediate parallel bundling of actin filaments, appears as a prominent candidate in cell chirality regulation, given its role in facilitating cell migration as an important PKC substrate. Here, it is shown that the chirality of NIH/3T3 cells can be altered by PKC activation and fascin manipulation. With either small-molecule drug inhibition or genetic knockdown of fascin, the chirality of 3T3 cells is reversed from a clockwise (CW) bias to a counterclockwise (CCW) bias on ring-shaped micropatterns, accompanied by the reversal in cell directional migration. The Ser-39 fascin-actin binding sites are further explored in cell chirality regulation. The findings of this study reveal the critical role of fascin as an important intermediator in cell chirality, shedding novel insights into the mechanisms of L-R asymmetric cell migration and multicellular morphogenesis.
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Affiliation(s)
- Haokang Zhang
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Jie Fan
- Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Department of Natural Sciences, University of Michigan-Dearborn, Dearborn, MI 48128, USA
| | - Joshua M.A. Maclin
- Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Department of Biological Science, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Leo Q. Wan
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Department of Biological Science, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Center for Modeling, Simulation and Imaging in Medicine, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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14
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Esmaeilniakooshkghazi A, Pham E, George SP, Ahrorov A, Villagomez FR, Byington M, Mukhopadhyay S, Patnaik S, Conrad JC, Naik M, Ravi S, Tebbutt N, Mooi J, Reehorst CM, Mariadason JM, Khurana S. In colon cancer cells fascin1 regulates adherens junction remodeling. FASEB J 2023; 37:e22786. [PMID: 36786724 DOI: 10.1096/fj.202201454r] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 11/21/2022] [Accepted: 01/10/2023] [Indexed: 02/15/2023]
Abstract
Adherens junctions (AJs) are a defining feature of all epithelial cells. They regulate epithelial tissue architecture and integrity, and their dysregulation is a key step in tumor metastasis. AJ remodeling is crucial for cancer progression, and it plays a key role in tumor cell survival, growth, and dissemination. Few studies have examined AJ remodeling in cancer cells consequently, it remains poorly understood and unleveraged in the treatment of metastatic carcinomas. Fascin1 is an actin-bundling protein that is absent from the normal epithelium but its expression in colon cancer is linked to metastasis and increased mortality. Here, we provide the molecular mechanism of AJ remodeling in colon cancer cells and identify for the first time, fascin1's function in AJ remodeling. We show that in colon cancer cells fascin1 remodels junctional actin and actomyosin contractility which makes AJs less stable but more dynamic. By remodeling AJs fascin1 drives mechanoactivation of WNT/β-catenin signaling and generates "collective plasticity" which influences the behavior of cells during cell migration. The impact of mechanical inputs on WNT/β-catenin activation in cancer cells remains poorly understood. Our findings highlight the role of AJ remodeling and mechanosensitive WNT/β-catenin signaling in the growth and dissemination of colorectal carcinomas.
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Affiliation(s)
| | - Eric Pham
- Department of Biology and Biochemistry, University of Houston, Houston, Texas, USA
| | - Sudeep P George
- Department of Biology and Biochemistry, University of Houston, Houston, Texas, USA
| | - Afzal Ahrorov
- Department of Biology and Biochemistry, University of Houston, Houston, Texas, USA
| | - Fabian R Villagomez
- Department of Biology and Biochemistry, University of Houston, Houston, Texas, USA
| | - Michael Byington
- Department of Chemical and Bimolecular Engineering, University of Houston, Houston, Texas, USA
| | - Srijita Mukhopadhyay
- Department of Biology and Biochemistry, Center for Nuclear Receptors and Cell Signaling, University of Houston, Houston, Texas, USA
| | - Srinivas Patnaik
- Department of Biology and Biochemistry, University of Houston, Houston, Texas, USA
| | - Jacinta C Conrad
- Department of Chemical and Bimolecular Engineering, University of Houston, Houston, Texas, USA
| | - Monali Naik
- Department of Biology and Biochemistry, University of Houston, Houston, Texas, USA
| | - Saathvika Ravi
- Department of Biology and Biochemistry, University of Houston, Houston, Texas, USA
| | - Niall Tebbutt
- Gastrointestinal Cancers Programs, Olivia Newton-John Cancer Research Institute, and La Trobe University School of Cancer Medicine, Melbourne, Victoria, Australia
| | - Jennifer Mooi
- Gastrointestinal Cancers Programs, Olivia Newton-John Cancer Research Institute, and La Trobe University School of Cancer Medicine, Melbourne, Victoria, Australia
| | - Camilla M Reehorst
- Gastrointestinal Cancers Programs, Olivia Newton-John Cancer Research Institute, and La Trobe University School of Cancer Medicine, Melbourne, Victoria, Australia
| | - John M Mariadason
- Gastrointestinal Cancers Programs, Olivia Newton-John Cancer Research Institute, and La Trobe University School of Cancer Medicine, Melbourne, Victoria, Australia
| | - Seema Khurana
- Department of Biology and Biochemistry, University of Houston, Houston, Texas, USA.,School of Health Professions, Baylor College of Medicine, Houston, Texas, USA
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15
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Rajan S, Kudryashov DS, Reisler E. Actin Bundles Dynamics and Architecture. Biomolecules 2023; 13:450. [PMID: 36979385 PMCID: PMC10046292 DOI: 10.3390/biom13030450] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 02/16/2023] [Accepted: 02/20/2023] [Indexed: 03/04/2023] Open
Abstract
Cells use the actin cytoskeleton for many of their functions, including their division, adhesion, mechanosensing, endo- and phagocytosis, migration, and invasion. Actin bundles are the main constituent of actin-rich structures involved in these processes. An ever-increasing number of proteins that crosslink actin into bundles or regulate their morphology is being identified in cells. With recent advances in high-resolution microscopy and imaging techniques, the complex process of bundles formation and the multiple forms of physiological bundles are beginning to be better understood. Here, we review the physiochemical and biological properties of four families of highly conserved and abundant actin-bundling proteins, namely, α-actinin, fimbrin/plastin, fascin, and espin. We describe the similarities and differences between these proteins, their role in the formation of physiological actin bundles, and their properties-both related and unrelated to their bundling abilities. We also review some aspects of the general mechanism of actin bundles formation, which are known from the available information on the activity of the key actin partners involved in this process.
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Affiliation(s)
- Sudeepa Rajan
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA
| | - Dmitri S. Kudryashov
- Department of Chemistry and Biochemistry, Ohio State University, Columbus, OH 43210, USA
| | - Emil Reisler
- Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA
- Molecular Biology Institute, University of California, Los Angeles, CA 90095, USA
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16
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Hakeem RM, Subramanian BC, Hockenberry MA, King ZT, Butler MT, Legant WR, Bear JE. A Photopolymerized Hydrogel System with Dual Stiffness Gradients Reveals Distinct Actomyosin-Based Mechano-Responses in Fibroblast Durotaxis. ACS NANO 2023; 17:197-211. [PMID: 36475639 PMCID: PMC9839609 DOI: 10.1021/acsnano.2c05941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Durotaxis, migration of cells directed by a stiffness gradient, is critical in development and disease. To distinguish durotaxis-specific migration mechanisms from those on uniform substrate stiffnesses, we engineered an all-in-one photopolymerized hydrogel system containing areas of stiffness gradients with dual slopes (steep and shallow), adjacent to uniform stiffness (soft and stiff) regions. While fibroblasts rely on nonmuscle myosin II (NMII) activity and the LIM-domain protein Zyxin, ROCK and the Arp2/3 complex are surprisingly dispensable for durotaxis on either stiffness gradient. Additionally, loss of either actin-elongator Formin-like 3 (FMNL3) or actin-bundler fascin has little impact on durotactic response on stiffness gradients. However, lack of Arp2/3 activity results in a filopodia-based durotactic migration that is equally as efficient as that of lamellipodia-based durotactic migration. Importantly, we uncover essential and specific roles for FMNL3 and fascin in the formation and asymmetric distribution of filopodia during filopodia-based durotaxis response to the stiffness gradients. Together, our tunable all-in-one hydrogel system serves to identify both conserved as well as distinct molecular mechanisms that underlie mechano-responses of cells experiencing altered slopes of stiffness gradients.
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Affiliation(s)
- Reem M Hakeem
- Department of Biochemistry and Biophysics, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
- UNC Lineberger Comprehensive Cancer Center, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
| | - Bhagawat C Subramanian
- UNC Lineberger Comprehensive Cancer Center, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
| | - Max A Hockenberry
- Department of Cell Biology and Physiology, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
- UNC Lineberger Comprehensive Cancer Center, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
- Department of Pharmacology, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
| | - Zayna T King
- Department of Cell Biology and Physiology, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
- UNC Lineberger Comprehensive Cancer Center, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
| | - Mitchell T Butler
- Department of Cell Biology and Physiology, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
- UNC Lineberger Comprehensive Cancer Center, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
| | - Wesley R Legant
- Department of Pharmacology, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
| | - James E Bear
- Department of Cell Biology and Physiology, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
- UNC Lineberger Comprehensive Cancer Center, UNC-Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599, United States
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17
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Erlich A, Étienne J, Fouchard J, Wyatt T. How dynamic prestress governs the shape of living systems, from the subcellular to tissue scale. Interface Focus 2022; 12:20220038. [PMID: 36330322 PMCID: PMC9560792 DOI: 10.1098/rsfs.2022.0038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 09/08/2022] [Indexed: 10/16/2023] Open
Abstract
Cells and tissues change shape both to carry out their function and during pathology. In most cases, these deformations are driven from within the systems themselves. This is permitted by a range of molecular actors, such as active crosslinkers and ion pumps, whose activity is biologically controlled in space and time. The resulting stresses are propagated within complex and dynamical architectures like networks or cell aggregates. From a mechanical point of view, these effects can be seen as the generation of prestress or prestrain, resulting from either a contractile or growth activity. In this review, we present this concept of prestress and the theoretical tools available to conceptualize the statics and dynamics of living systems. We then describe a range of phenomena where prestress controls shape changes in biopolymer networks (especially the actomyosin cytoskeleton and fibrous tissues) and cellularized tissues. Despite the diversity of scale and organization, we demonstrate that these phenomena stem from a limited number of spatial distributions of prestress, which can be categorized as heterogeneous, anisotropic or differential. We suggest that in addition to growth and contraction, a third type of prestress-topological prestress-can result from active processes altering the microstructure of tissue.
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Affiliation(s)
| | - Jocelyn Étienne
- Université Grenoble Alpes, CNRS, LIPHY, 38000 Grenoble, France
| | - Jonathan Fouchard
- Laboratoire de Biologie du Développement, Institut de Biologie Paris Seine (IBPS), Sorbonne Université, CNRS (UMR 7622), INSERM (URL 1156), 7 quai Saint Bernard, 75005 Paris, France
| | - Tom Wyatt
- Wellcome Trust–Medical Research Council Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
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18
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Vakhrusheva A, Murashko A, Trifonova E, Efremov Y, Timashev P, Sokolova O. Role of Actin-binding Proteins in the Regulation of Cellular Mechanics. Eur J Cell Biol 2022; 101:151241. [DOI: 10.1016/j.ejcb.2022.151241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/18/2022] [Accepted: 05/19/2022] [Indexed: 12/25/2022] Open
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19
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Diazzi S, Baeri A, Fassy J, Lecacheur M, Marin-Bejar O, Girard CA, Lefevre L, Lacoux C, Irondelle M, Mounier C, Truchi M, Couralet M, Ohanna M, Carminati A, Berestjuk I, Larbret F, Gilot D, Vassaux G, Marine JC, Deckert M, Mari B, Tartare-Deckert S. Blockade of the pro-fibrotic reaction mediated by the miR-143/-145 cluster enhances the responses to targeted therapy in melanoma. EMBO Mol Med 2022; 14:e15295. [PMID: 35156321 PMCID: PMC8899916 DOI: 10.15252/emmm.202115295] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 01/04/2022] [Accepted: 01/10/2022] [Indexed: 12/20/2022] Open
Abstract
Lineage dedifferentiation toward a mesenchymal‐like state displaying myofibroblast and fibrotic features is a common mechanism of adaptive and acquired resistance to targeted therapy in melanoma. Here, we show that the anti‐fibrotic drug nintedanib is active to normalize the fibrous ECM network, enhance the efficacy of MAPK‐targeted therapy, and delay tumor relapse in a preclinical model of melanoma. Acquisition of this resistant phenotype and its reversion by nintedanib pointed to miR‐143/‐145 pro‐fibrotic cluster as a driver of this mesenchymal‐like phenotype. Upregulation of the miR‐143/‐145 cluster under BRAFi/MAPKi therapy was observed in melanoma cells in vitro and in vivo and was associated with an invasive/undifferentiated profile. The 2 mature miRNAs generated from this cluster, miR‐143‐3p and miR‐145‐5p, collaborated to mediate transition toward a drug‐resistant undifferentiated mesenchymal‐like state by targeting Fascin actin‐bundling protein 1 (FSCN1), modulating the dynamic crosstalk between the actin cytoskeleton and the ECM through the regulation of focal adhesion dynamics and mechanotransduction pathways. Our study brings insights into a novel miRNA‐mediated regulatory network that contributes to non‐genetic adaptive drug resistance and provides proof of principle that preventing MAPKi‐induced pro‐fibrotic stromal response is a viable therapeutic opportunity for patients on targeted therapy.
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Affiliation(s)
- Serena Diazzi
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), Sophia Antipolis, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Alberto Baeri
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), Sophia Antipolis, France
| | - Julien Fassy
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), Sophia Antipolis, France
| | - Margaux Lecacheur
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Oskar Marin-Bejar
- Laboratory For Molecular Cancer Biology, VIB Center for Cancer Biology, VIB, Leuven, Belgium.,Department of Oncology, KU Leuven, Leuven, Belgium
| | - Christophe A Girard
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Lauren Lefevre
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Caroline Lacoux
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), Sophia Antipolis, France
| | | | - Carine Mounier
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), Sophia Antipolis, France.,CYU Université, ERRMECe (EA1391), Neuville-sur-Oise, France
| | - Marin Truchi
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), Sophia Antipolis, France
| | - Marie Couralet
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), Sophia Antipolis, France
| | - Mickael Ohanna
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Alexandrine Carminati
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Ilona Berestjuk
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Frederic Larbret
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - David Gilot
- INSERM U1242, University of Rennes, Rennes, France
| | - Georges Vassaux
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), Sophia Antipolis, France
| | - Jean-Christophe Marine
- Laboratory For Molecular Cancer Biology, VIB Center for Cancer Biology, VIB, Leuven, Belgium.,Department of Oncology, KU Leuven, Leuven, Belgium
| | - Marcel Deckert
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Bernard Mari
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire (IPMC), Sophia Antipolis, France.,FHU-OncoAge, Nice, France
| | - Sophie Tartare-Deckert
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Equipe labellisée Ligue Contre le Cancer, Nice, France.,FHU-OncoAge, Nice, France
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20
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Gupta I, Vranic S, Al-Thawadi H, Al Moustafa AE. Fascin in Gynecological Cancers: An Update of the Literature. Cancers (Basel) 2021; 13:cancers13225760. [PMID: 34830909 PMCID: PMC8616296 DOI: 10.3390/cancers13225760] [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: 10/13/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Fascin, an actin-binding protein, is upregulated in different types of human cancers. It is reportedly responsible for increasing the invasive and metastatic ability of cancer cells by reducing cell–cell adhesions. This review provides a brief overview of fascin and its interactions with other genes and oncoviruses to induce the onset and progression of cancer. Abstract Fascin is an actin-binding protein that is encoded by the FSCN1 gene (located on chromosome 7). It triggers membrane projections and stimulates cell motility in cancer cells. Fascin overexpression has been described in different types of human cancers in which its expression correlated with tumor growth, migration, invasion, and metastasis. Moreover, overexpression of fascin was found in oncovirus-infected cells, such as human papillomaviruses (HPVs) and Epstein-Barr virus (EBV), disrupting the cell–cell adhesion and enhancing cancer progression. Based on these findings, several studies reported fascin as a potential biomarker and a therapeutic target in various cancers. This review provides a brief overview of the FSCN1 role in various cancers with emphasis on gynecological malignancies. We also discuss fascin interactions with other genes and oncoviruses through which it might induce cancer development and progression.
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Affiliation(s)
- Ishita Gupta
- Department of Basic Medical Science, College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (I.G.); (S.V.); (H.A.-T.)
- Biomedical and Pharmaceutical Research Unit, QU Health, Qatar University, Doha 2713, Qatar
| | - Semir Vranic
- Department of Basic Medical Science, College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (I.G.); (S.V.); (H.A.-T.)
- Biomedical and Pharmaceutical Research Unit, QU Health, Qatar University, Doha 2713, Qatar
| | - Hamda Al-Thawadi
- Department of Basic Medical Science, College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (I.G.); (S.V.); (H.A.-T.)
- Biomedical and Pharmaceutical Research Unit, QU Health, Qatar University, Doha 2713, Qatar
| | - Ala-Eddin Al Moustafa
- Department of Basic Medical Science, College of Medicine, QU Health, Qatar University, Doha 2713, Qatar; (I.G.); (S.V.); (H.A.-T.)
- Biomedical and Pharmaceutical Research Unit, QU Health, Qatar University, Doha 2713, Qatar
- Biomedical Research Centre, QU Health, Qatar University, Doha 2713, Qatar
- Correspondence: ; Tel.: +974-4403-7817
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21
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Bresteau E, Elkhatib N, Baschieri F, Bellec K, Guérin M, Montagnac G. Clathrin-coated structures support 3D directed migration through local force transmission. SCIENCE ADVANCES 2021; 7:eabf4647. [PMID: 34739323 PMCID: PMC8570598 DOI: 10.1126/sciadv.abf4647] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Migrating cells navigate in complex environments through sensing and interpreting biochemical and/or mechanical cues. Here, we report that recently identified tubular clathrin/AP-2 lattices (TCALs), a subset of clathrin-coated structures (CCSs) that pinch collagen fibers, mechanically control directed migration along fibers decorated with ligands of CCS cargoes in three-dimensional (3D) environments. We observed that epidermal growth factor or low-density lipoprotein bound to collagen fibers leads to increased local nucleation and accumulation of TCALs. By using engineered, mixed collagen networks, we demonstrate that this mechanism selectively increases local forces applied on ligand-decorated fibers. We show that these effects depend on the ligand’s receptors but do not rely on their ability to trigger signaling events. We propose that the preferential accumulation of TCALs along ligand-decorated fibers steers migration in 3D environments. We conclude that ligand-regulated, local TCAL accumulation results in asymmetric force distribution that orients cell migration in 3D environments.
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22
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Lamb MC, Kaluarachchi CP, Lansakara TI, Mellentine SQ, Lan Y, Tivanski AV, Tootle TL. Fascin limits Myosin activity within Drosophila border cells to control substrate stiffness and promote migration. eLife 2021; 10:69836. [PMID: 34698017 PMCID: PMC8547955 DOI: 10.7554/elife.69836] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 10/11/2021] [Indexed: 12/24/2022] Open
Abstract
A key regulator of collective cell migrations, which drive development and cancer metastasis, is substrate stiffness. Increased substrate stiffness promotes migration and is controlled by Myosin. Using Drosophila border cell migration as a model of collective cell migration, we identify, for the first time, that the actin bundling protein Fascin limits Myosin activity in vivo. Loss of Fascin results in: increased activated Myosin on the border cells and their substrate, the nurse cells; decreased border cell Myosin dynamics; and increased nurse cell stiffness as measured by atomic force microscopy. Reducing Myosin restores on-time border cell migration in fascin mutant follicles. Further, Fascin’s actin bundling activity is required to limit Myosin activation. Surprisingly, we find that Fascin regulates Myosin activity in the border cells to control nurse cell stiffness to promote migration. Thus, these data shift the paradigm from a substrate stiffness-centric model of regulating migration, to uncover that collectively migrating cells play a critical role in controlling the mechanical properties of their substrate in order to promote their own migration. This understudied means of mechanical regulation of migration is likely conserved across contexts and organisms, as Fascin and Myosin are common regulators of cell migration.
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Affiliation(s)
- Maureen C Lamb
- Anatomy and Cell Biology, University of Iowa Carver College of Medicine, Iowa City, United States
| | | | | | - Samuel Q Mellentine
- Anatomy and Cell Biology, University of Iowa Carver College of Medicine, Iowa City, United States
| | - Yiling Lan
- Department of Chemistry, University of Iowa, Iowa City, United States
| | - Alexei V Tivanski
- Department of Chemistry, University of Iowa, Iowa City, United States
| | - Tina L Tootle
- Anatomy and Cell Biology, University of Iowa Carver College of Medicine, Iowa City, United States
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23
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Kollimada S, Senger F, Vignaud T, Théry M, Blanchoin L, Kurzawa L. The biochemical composition of the actomyosin network sets the magnitude of cellular traction forces. Mol Biol Cell 2021; 32:1737-1748. [PMID: 34410837 PMCID: PMC8684728 DOI: 10.1091/mbc.e21-03-0109] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The regulation of cellular force production relies on the complex interplay between a well-conserved set of proteins of the cytoskeleton: actin, myosin, and α-actinin. Despite our deep knowledge of the role of these proteins in force production at the molecular scale, our understanding of the biochemical regulation of the magnitude of traction forces generated at the entire-cell level has been limited, notably by the technical challenge of measuring traction forces and the endogenous biochemical composition in the same cell. In this study, we developed an alternative Traction-Force Microscopy (TFM) assay, which used a combination of hydrogel micropatterning to define cell adhesion and shape and an intermediate fixation/immunolabeling step to characterize strain energies and the endogenous protein contents in single epithelial cells. Our results demonstrated that both the signal intensity and the area of the Focal Adhesion (FA)–associated protein vinculin showed a strong positive correlation with strain energy in mature FAs. Individual contents from actin filament and phospho-myosin displayed broader deviation in their linear relationship to strain energies. Instead, our quantitative analyzes demonstrated that their relative amount exhibited an optimum ratio of phospho-myosin to actin, allowing maximum force production by cells. By contrast, although no correlation was identified between individual α-actinin content and strain energy, the ratio of α-actinin to actin filaments was inversely related to strain energy. Hence, our results suggest that, in the cellular model studied, traction-force magnitude is dictated by the relative numbers of molecular motors and cross-linkers per actin filament, rather than the amounts of an individual component in the cytoskeletal network. This assay offers new perspectives to study in more detail the complex interplay between the endogenous biochemical composition of individual cells and the force they produce.
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Affiliation(s)
- Somanna Kollimada
- Interdisciplinary Research Institute of Grenoble, Laboratoire de Physiologie Cellulaire & Végétale, CytoMorpho Lab, University of Grenoble-Alpes, CEA, CNRS, INRA, Grenoble, France
| | - Fabrice Senger
- Interdisciplinary Research Institute of Grenoble, Laboratoire de Physiologie Cellulaire & Végétale, CytoMorpho Lab, University of Grenoble-Alpes, CEA, CNRS, INRA, Grenoble, France
| | - Timothée Vignaud
- Interdisciplinary Research Institute of Grenoble, Laboratoire de Physiologie Cellulaire & Végétale, CytoMorpho Lab, University of Grenoble-Alpes, CEA, CNRS, INRA, Grenoble, France.,Clinique de chirurgie digestive et endocrinienne, Hôtel Dieu, Nantes, 44093, France
| | - Manuel Théry
- Interdisciplinary Research Institute of Grenoble, Laboratoire de Physiologie Cellulaire & Végétale, CytoMorpho Lab, University of Grenoble-Alpes, CEA, CNRS, INRA, Grenoble, France.,Institut de Recherche Saint Louis, U976 Human Immunology Pathophysiology Immunotherapy (HIPI), CytoMorpho Lab, University of Paris, INSERM, CEA, Paris, France
| | - Laurent Blanchoin
- Interdisciplinary Research Institute of Grenoble, Laboratoire de Physiologie Cellulaire & Végétale, CytoMorpho Lab, University of Grenoble-Alpes, CEA, CNRS, INRA, Grenoble, France.,Institut de Recherche Saint Louis, U976 Human Immunology Pathophysiology Immunotherapy (HIPI), CytoMorpho Lab, University of Paris, INSERM, CEA, Paris, France
| | - Laëtitia Kurzawa
- Interdisciplinary Research Institute of Grenoble, Laboratoire de Physiologie Cellulaire & Végétale, CytoMorpho Lab, University of Grenoble-Alpes, CEA, CNRS, INRA, Grenoble, France
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24
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Lin S, Li Y, Wang D, Huang C, Marino D, Bollt O, Wu C, Taylor MD, Li W, DeNicola GM, Hao J, Singh PK, Yang S. Fascin promotes lung cancer growth and metastasis by enhancing glycolysis and PFKFB3 expression. Cancer Lett 2021; 518:230-242. [PMID: 34303764 DOI: 10.1016/j.canlet.2021.07.025] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/24/2021] [Accepted: 07/15/2021] [Indexed: 01/23/2023]
Abstract
Fascin is a pro-metastatic actin-bundling protein that is upregulated in all metastatic carcinomas. Fascin promotes cancer cell migration and invasion by facilitating membrane protrusions, such as filopodia and invadopodia. Aerobic glycolysis is a key feature of cancer metabolism and provides critical intermediate metabolites for tumor growth. Here, we report that fascin increases glycolysis in lung cancer to promote tumor growth and metastasis. Fascin promotes glycolytic flux by increasing the expression and activities of phosphofructose-kinases 1 and 2 (PFK1 and 2). Fascin mediates glycolytic functions via activation of yes-associated protein 1 (YAP1) through its canonical actin-bundling activity by promoting the binding of YAP1 to a TEAD1/4 binding motif located 30 bp upstream of the PFKFB3 transcription start site to activate its transcription. Examination of the TCGA database suggests that the fascin-YAP1-PFKFB3 axis is likely conserved across different types of cancers. Importantly, pharmacological inhibitors of fascin suppressed YAP1-PFKFB3 signaling and glycolysis in cancer cell lines, organoid cultures, and xenograft metastasis models. Taken together, our data reveal that the glycolytic function of fascin is essential for the promotion of lung cancer growth and metabolism, and suggest that pharmacological inhibitors of fascin may be used to reprogram cancer metabolism in lung and potentially other cancers with fascin upregulation.
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Affiliation(s)
- Shengchen Lin
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA, USA
| | - Yunzhan Li
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA, USA
| | - Dezhen Wang
- Eppley Institute for Research in Cancer and Allied Diseases, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Chongbiao Huang
- Department of Pancreatic Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China
| | - David Marino
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA, USA
| | - Oana Bollt
- Department of Surgery, Penn State College of Medicine, Hershey, PA, USA
| | - Chaodong Wu
- Department of Nutrition, Texas A&M University, College Station, TX, USA
| | - Matthew D Taylor
- Department of Surgery, Penn State College of Medicine, Hershey, PA, USA
| | - Wei Li
- Division of Pediatric Hematology and Oncology, Department of Pediatrics, Penn State College of Medicine, Hershey, PA, USA; Department of Biochemistry & Molecular Biology, Penn State College of Medicine, Hershey, PA, USA
| | - Gina M DeNicola
- Department of Cancer Physiology, H. Lee. Moffitt Cancer Center, Tampa, FL, USA
| | - Jihui Hao
- Department of Pancreatic Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China
| | - Pankaj K Singh
- Eppley Institute for Research in Cancer and Allied Diseases, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, USA
| | - Shengyu Yang
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA, USA.
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25
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Castillo-Badillo JA, Gautam N. An optogenetic model reveals cell shape regulation through FAK and fascin. J Cell Sci 2021; 134:269115. [PMID: 34114634 DOI: 10.1242/jcs.258321] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 06/01/2021] [Indexed: 12/17/2022] Open
Abstract
Cell shape regulation is important, but the mechanisms that govern shape are not fully understood, in part due to limited experimental models in which cell shape changes and underlying molecular processes can be rapidly and non-invasively monitored in real time. Here, we used an optogenetic tool to activate RhoA in the middle of mononucleated macrophages to induce contraction, resulting in a side with the nucleus that retained its shape and a non-nucleated side that was unable to maintain its shape and collapsed. In cells overexpressing focal adhesion kinase (FAK; also known as PTK2), the non-nucleated side exhibited a wide flat morphology and was similar in adhesion area to the nucleated side. In cells overexpressing fascin, an actin-bundling protein, the non-nucleated side assumed a spherical shape and was similar in height to the nucleated side. This effect of fascin was also observed in fibroblasts even without inducing furrow formation. Based on these results, we conclude that FAK and fascin work together to maintain cell shape by regulating adhesion area and height, respectively, in different cell types. This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Jean A Castillo-Badillo
- Department of Anesthesiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - N Gautam
- Department of Anesthesiology, Washington University School of Medicine, St Louis, MO 63110, USA.,Department of Genetics, Washington University School of Medicine, St Louis, MO 63110, USA
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26
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Vasilaki D, Bakopoulou A, Tsouknidas A, Johnstone E, Michalakis K. Biophysical interactions between components of the tumor microenvironment promote metastasis. Biophys Rev 2021; 13:339-357. [PMID: 34168685 PMCID: PMC8214652 DOI: 10.1007/s12551-021-00811-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 05/03/2021] [Indexed: 02/07/2023] Open
Abstract
During metastasis, tumor cells need to adapt to their dynamic microenvironment and modify their mechanical properties in response to both chemical and mechanical stimulation. Physical interactions occur between cancer cells and the surrounding matrix including cell movements and cell shape alterations through the process of mechanotransduction. The latter describes the translation of external mechanical cues into intracellular biochemical signaling. Reorganization of both the cytoskeleton and the extracellular matrix (ECM) plays a critical role in these spreading steps. Migrating tumor cells show increased motility in order to cross the tumor microenvironment, migrate through ECM and reach the bloodstream to the metastatic site. There are specific factors affecting these processes, as well as the survival of circulating tumor cells (CTC) in the blood flow until they finally invade the secondary tissue to form metastasis. This review aims to study the mechanisms of metastasis from a biomechanical perspective and investigate cell migration, with a focus on the alterations in the cytoskeleton through this journey and the effect of biologic fluids on metastasis. Understanding of the biophysical mechanisms that promote tumor metastasis may contribute successful therapeutic approaches in the fight against cancer.
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Affiliation(s)
- Dimitra Vasilaki
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Athina Bakopoulou
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Alexandros Tsouknidas
- Laboratory for Biomaterials and Computational Mechanics, Department of Mechanical Engineering, University of Western Macedonia, Kozani, Greece
| | | | - Konstantinos Michalakis
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
- Division of Graduate Prosthodontics, Tufts University School of Dental Medicine, Boston, MA USA
- University of Oxford, Oxford, UK
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27
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Zhao Z, Wang Y, Zhang JJ, Huang XY. Fascin Inhibitors Decrease Cell Migration and Adhesion While Increase Overall Survival of Mice Bearing Bladder Cancers. Cancers (Basel) 2021; 13:cancers13112698. [PMID: 34070777 PMCID: PMC8199464 DOI: 10.3390/cancers13112698] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Fascin is an actin-bundling protein, and is highly expressed in metastatic tumor cells. Small molecule fascin inhibitors have been recently developed to block tumor cell migration, invasion, and metastasis. Here we have tested a new fascin inhibitor on bladder cancer cells, and showed the inhibitory effects of the fascin inhibitor on bladder cancer cell migration, adhesion, and primary tumor growth. Therefore, fascin inhibitors might provide clinical benefits to bladder cancer patients. Abstract Bladder cancer is one of the most common cancers in the world. Early stage bladder tumors can be surgically removed, but these patients usually have relapses. When bladder cancer becomes metastatic, survival is very low. There is an urgent need for new treatments for metastatic bladder cancers. Here, we report that a new fascin inhibitor decreases the migration and adhesion of bladder cancer cells. Furthermore, this inhibitor decreases the primary tumor growth and increases the overall survival of mice bearing bladder cancers, alone, as well as in combination with the chemotherapy medication, cisplatin, or the immune checkpoint inhibitor, anti-PD-1 antibody. These data suggest that fascin inhibitors can be explored as a new treatment for bladder cancers.
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Affiliation(s)
- Zhankui Zhao
- Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA; (Z.Z.); (Y.W.)
| | - Yufeng Wang
- Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA; (Z.Z.); (Y.W.)
| | | | - Xin-Yun Huang
- Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA; (Z.Z.); (Y.W.)
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA
- Correspondence: ; Tel.: +1-212-746-6362
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28
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Wang Y, Song M, Liu M, Zhang G, Zhang X, Li MO, Ma X, Zhang JJ, Huang XY. Fascin inhibitor increases intratumoral dendritic cell activation and anti-cancer immunity. Cell Rep 2021; 35:108948. [PMID: 33826900 PMCID: PMC8050791 DOI: 10.1016/j.celrep.2021.108948] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 12/21/2020] [Accepted: 03/15/2021] [Indexed: 12/21/2022] Open
Abstract
Fascin protein is the main actin-bundling protein in filopodia and invadopodia, which are critical for tumor cell migration, invasion, and metastasis. Small-molecule fascin inhibitors block tumor invasion and metastasis and increase the overall survival of tumor-bearing mice. Here, we report a finding that fascin blockade additionally reinvigorates anti-tumor immune response in syngeneic mouse models of various cancers. Fascin protein levels are increased in conventional dendritic cells (cDCs) in the tumor microenvironment. Mechanistically, fascin inhibitor NP-G2-044 increases the number of intratumoral-activated cDCs and enhances the antigen uptake by cDCs. Furthermore, together with PD-1 blocking antibody, NP-G2-044 markedly increases the number of activated CD8+ T cells in the otherwise anti-PD-1 refractory tumors. Reduction of fascin levels in cDCs, but not fascin gene knockout in tumor cells, mimics the anti-tumor immune effect of NP-G2-044. These data demonstrate that fascin inhibitor NP-G2-044 simultaneously limits tumor metastasis and reinvigorates anti-tumor immune responses.
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Affiliation(s)
- Yufeng Wang
- Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA
| | - Mei Song
- Department of Microbiology and Immunology, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA
| | - Ming Liu
- Program in Immunology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Guoan Zhang
- Proteomics and Metabolomics Core Facility, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA
| | - Xian Zhang
- Program in Immunology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Ming O Li
- Program in Immunology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Xiaojing Ma
- Department of Microbiology and Immunology, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA; Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine of Cornell University, New York, NY 10065, USA
| | | | - Xin-Yun Huang
- Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA; Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine of Cornell University, New York, NY 10065, USA.
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29
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Liu H, Zhang Y, Li L, Cao J, Guo Y, Wu Y, Gao W. Fascin actin-bundling protein 1 in human cancer: promising biomarker or therapeutic target? Mol Ther Oncolytics 2021; 20:240-264. [PMID: 33614909 PMCID: PMC7873579 DOI: 10.1016/j.omto.2020.12.014] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Fascin actin-bundling protein 1 (FSCN1) is a highly conserved actin-bundling protein that cross links F-actin microfilaments into tight, parallel bundles. Elevated FSCN1 levels have been reported in many types of human cancers and have been correlated with aggressive clinical progression, poor prognosis, and survival outcomes. The overexpression of FSCN1 in cancer cells has been associated with tumor growth, migration, invasion, and metastasis. Currently, FSCN1 is recognized as a candidate biomarker for multiple cancer types and as a potential therapeutic target. The aim of this study was to provide a brief overview of the FSCN1 gene and protein structure and elucidate on its actin-bundling activity and physiological functions. The main focus was on the role of FSCN1 and its upregulatory mechanisms and significance in cancer cells. Up-to-date studies on FSCN1 as a novel biomarker and therapeutic target for human cancers are reviewed. It is shown that FSCN1 is an unusual biomarker and a potential therapeutic target for cancer.
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Affiliation(s)
- Hongliang Liu
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck Cancer, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Shanxi Province Clinical Medical Research Center for Precision Medicine of Head and Neck Cancer, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Department of Otolaryngology Head & Neck Surgery, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Department of Cell Biology and Genetics, School of Basic Medical Sciences, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
| | - Yu Zhang
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Department of Physiology, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
| | - Li Li
- Department of Cell Biology and Genetics, School of Basic Medical Sciences, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
| | - Jimin Cao
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Department of Physiology, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
| | - Yujia Guo
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck Cancer, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Shanxi Province Clinical Medical Research Center for Precision Medicine of Head and Neck Cancer, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
| | - Yongyan Wu
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck Cancer, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Shanxi Province Clinical Medical Research Center for Precision Medicine of Head and Neck Cancer, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Department of Otolaryngology Head & Neck Surgery, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Department of Biochemistry & Molecular Biology, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
| | - Wei Gao
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck Cancer, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Shanxi Province Clinical Medical Research Center for Precision Medicine of Head and Neck Cancer, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Department of Otolaryngology Head & Neck Surgery, First Hospital of Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
- Department of Cell Biology and Genetics, School of Basic Medical Sciences, Shanxi Medical University, Taiyuan 030001, Shanxi, PR China
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30
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Lehtimäki JI, Rajakylä EK, Tojkander S, Lappalainen P. Generation of stress fibers through myosin-driven reorganization of the actin cortex. eLife 2021; 10:60710. [PMID: 33506761 PMCID: PMC7877910 DOI: 10.7554/elife.60710] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 01/27/2021] [Indexed: 12/26/2022] Open
Abstract
Contractile actomyosin bundles, stress fibers, govern key cellular processes including migration, adhesion, and mechanosensing. Stress fibers are thus critical for developmental morphogenesis. The most prominent actomyosin bundles, ventral stress fibers, are generated through coalescence of pre-existing stress fiber precursors. However, whether stress fibers can assemble through other mechanisms has remained elusive. We report that stress fibers can also form without requirement of pre-existing actomyosin bundles. These structures, which we named cortical stress fibers, are embedded in the cell cortex and assemble preferentially underneath the nucleus. In this process, non-muscle myosin II pulses orchestrate the reorganization of cortical actin meshwork into regular bundles, which promote reinforcement of nascent focal adhesions, and subsequent stabilization of the cortical stress fibers. These results identify a new mechanism by which stress fibers can be generated de novo from the actin cortex and establish role for stochastic myosin pulses in the assembly of functional actomyosin bundles.
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Affiliation(s)
- Jaakko I Lehtimäki
- HiLIFE Institute of Biotechnology, University of Helsinki, Helsinki, Finland
| | - Eeva Kaisa Rajakylä
- Section of Pathology, Department of Veterinary Biosciences, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Sari Tojkander
- Section of Pathology, Department of Veterinary Biosciences, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Pekka Lappalainen
- HiLIFE Institute of Biotechnology, University of Helsinki, Helsinki, Finland
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31
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Targeting the cytoskeleton against metastatic dissemination. Cancer Metastasis Rev 2021; 40:89-140. [PMID: 33471283 DOI: 10.1007/s10555-020-09936-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Accepted: 10/08/2020] [Indexed: 02/08/2023]
Abstract
Cancer is a pathology characterized by a loss or a perturbation of a number of typical features of normal cell behaviour. Indeed, the acquisition of an inappropriate migratory and invasive phenotype has been reported to be one of the hallmarks of cancer. The cytoskeleton is a complex dynamic network of highly ordered interlinking filaments playing a key role in the control of fundamental cellular processes, like cell shape maintenance, motility, division and intracellular transport. Moreover, deregulation of this complex machinery contributes to cancer progression and malignancy, enabling cells to acquire an invasive and metastatic phenotype. Metastasis accounts for 90% of death from patients affected by solid tumours, while an efficient prevention and suppression of metastatic disease still remains elusive. This results in the lack of effective therapeutic options currently available for patients with advanced disease. In this context, the cytoskeleton with its regulatory and structural proteins emerges as a novel and highly effective target to be exploited for a substantial therapeutic effort toward the development of specific anti-metastatic drugs. Here we provide an overview of the role of cytoskeleton components and interacting proteins in cancer metastasis with a special focus on small molecule compounds interfering with the actin cytoskeleton organization and function. The emerging involvement of microtubules and intermediate filaments in cancer metastasis is also reviewed.
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32
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Lamb MC, Tootle TL. Fascin in Cell Migration: More Than an Actin Bundling Protein. BIOLOGY 2020; 9:biology9110403. [PMID: 33212856 PMCID: PMC7698196 DOI: 10.3390/biology9110403] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 12/14/2022]
Abstract
Simple Summary Cell migration is an essential biological process that regulates both development and diseases, such as cancer metastasis. Therefore, understanding the factors that promote cell migration is crucial. One of the factors known to regulate cell migration is the actin-binding protein, Fascin. Fascin is typically thought to promote cell migration through bundling actin to form migratory structures such as filopodia and invadapodia. However, Fascin has many other functions in the cell that may contribute to cell migration. How these novel functions promote cell migration and are regulated is still not well understood. Here, we review the structure of Fascin, the many functions of Fascin and how they may promote cell migration, how Fascin is regulated, and Fascin’s role in diseases such as cancer metastasis. Abstract Fascin, an actin-binding protein, regulates many developmental migrations and contributes to cancer metastasis. Specifically, Fascin promotes cell motility, invasion, and adhesion by forming filopodia and invadopodia through its canonical actin bundling function. In addition to bundling actin, Fascin has non-canonical roles in the cell that are thought to promote cell migration. These non-canonical functions include regulating the activity of other actin-binding proteins, binding to and regulating microtubules, mediating mechanotransduction to the nucleus via interaction with the Linker of the Nucleoskeleton and Cytoskeleton (LINC) Complex, and localizing to the nucleus to regulate nuclear actin, the nucleolus, and chromatin modifications. The many functions of Fascin must be coordinately regulated to control cell migration. While much remains to be learned about such mechanisms, Fascin is regulated by post-translational modifications, prostaglandin signaling, protein–protein interactions, and transcriptional means. Here, we review the structure of Fascin, the various functions of Fascin and how they contribute to cell migration, the mechanisms regulating Fascin, and how Fascin contributes to diseases, specifically cancer metastasis.
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33
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López-Gay JM, Nunley H, Spencer M, di Pietro F, Guirao B, Bosveld F, Markova O, Gaugue I, Pelletier S, Lubensky DK, Bellaïche Y. Apical stress fibers enable a scaling between cell mechanical response and area in epithelial tissue. Science 2020; 370:370/6514/eabb2169. [PMID: 33060329 DOI: 10.1126/science.abb2169] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 08/13/2020] [Indexed: 12/14/2022]
Abstract
Biological systems tailor their properties and behavior to their size throughout development and in numerous aspects of physiology. However, such size scaling remains poorly understood as it applies to cell mechanics and mechanosensing. By examining how the Drosophila pupal dorsal thorax epithelium responds to morphogenetic forces, we found that the number of apical stress fibers (aSFs) anchored to adherens junctions scales with cell apical area to limit larger cell elongation under mechanical stress. aSFs cluster Hippo pathway components, thereby scaling Hippo signaling and proliferation with area. This scaling is promoted by tricellular junctions mediating an increase in aSF nucleation rate and lifetime in larger cells. Development, homeostasis, and repair entail epithelial cell size changes driven by mechanical forces; our work highlights how, in turn, mechanosensitivity scales with cell size.
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Affiliation(s)
- Jesús M López-Gay
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, F-75248 Paris Cedex 05, France.,Sorbonne Universités, UPMC Univ Paris 06, CNRS, CNRS UMR 3215, INSERM U934, F-75005 Paris, France
| | - Hayden Nunley
- Biophysics Program, University of Michigan, Ann Arbor, MI 48109, USA
| | - Meryl Spencer
- Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
| | - Florencia di Pietro
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, F-75248 Paris Cedex 05, France.,Sorbonne Universités, UPMC Univ Paris 06, CNRS, CNRS UMR 3215, INSERM U934, F-75005 Paris, France
| | - Boris Guirao
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, F-75248 Paris Cedex 05, France.,Sorbonne Universités, UPMC Univ Paris 06, CNRS, CNRS UMR 3215, INSERM U934, F-75005 Paris, France
| | - Floris Bosveld
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, F-75248 Paris Cedex 05, France.,Sorbonne Universités, UPMC Univ Paris 06, CNRS, CNRS UMR 3215, INSERM U934, F-75005 Paris, France
| | - Olga Markova
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, F-75248 Paris Cedex 05, France.,Sorbonne Universités, UPMC Univ Paris 06, CNRS, CNRS UMR 3215, INSERM U934, F-75005 Paris, France
| | - Isabelle Gaugue
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, F-75248 Paris Cedex 05, France.,Sorbonne Universités, UPMC Univ Paris 06, CNRS, CNRS UMR 3215, INSERM U934, F-75005 Paris, France
| | - Stéphane Pelletier
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, F-75248 Paris Cedex 05, France.,Sorbonne Universités, UPMC Univ Paris 06, CNRS, CNRS UMR 3215, INSERM U934, F-75005 Paris, France
| | - David K Lubensky
- Biophysics Program, University of Michigan, Ann Arbor, MI 48109, USA. .,Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yohanns Bellaïche
- Institut Curie, PSL Research University, CNRS UMR 3215, INSERM U934, F-75248 Paris Cedex 05, France. .,Sorbonne Universités, UPMC Univ Paris 06, CNRS, CNRS UMR 3215, INSERM U934, F-75005 Paris, France
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34
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Lin S, Taylor MD, Singh PK, Yang S. How does fascin promote cancer metastasis? FEBS J 2020; 288:1434-1446. [PMID: 32657526 DOI: 10.1111/febs.15484] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 07/01/2020] [Accepted: 07/10/2020] [Indexed: 12/12/2022]
Abstract
Fascin is an F-actin-bundling protein that cross-links individual actin filaments into straight and stiff bundles. Fascin overexpression in cancer is strongly associated with poor prognosis and metastatic progression across different cancer types. It is well established that fascin plays a causative role in promoting metastatic progression. We will review the recent progress in our understanding of mechanisms underlying fascin-mediated cancer metastasis. This review will cover the biochemical basis for fascin-bundling activity, the mechanisms by which cancer cells upregulate fascin expression and the mechanism underlying fascin-mediated cancer cell migration, invasion, and metastatic colonization. We propose that fascin has broad roles in both metastatic dissemination and metastatic colonization. Understanding these mechanisms will be crucial to the development of anti-metastasis therapeutics targeting fascin.
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Affiliation(s)
- Shengchen Lin
- Department of Cellular and Molecular Physiology, the Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Matthew D Taylor
- Department of Surgery, the Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Pankaj K Singh
- Department of Pathology and Microbiology, Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, USA
| | - Shengyu Yang
- Department of Cellular and Molecular Physiology, the Pennsylvania State University College of Medicine, Hershey, PA, USA
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35
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Fox EF, Lamb MC, Mellentine SQ, Tootle TL. Prostaglandins regulate invasive, collective border cell migration. Mol Biol Cell 2020; 31:1584-1594. [PMID: 32432969 PMCID: PMC7521797 DOI: 10.1091/mbc.e19-10-0578] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
While prostaglandins (PGs), short-range lipid signals, regulate single cell migration, their roles in collective migration remain unclear. To address this, we use Drosophila border cell migration, an invasive, collective migration that occurs during Stage 9 of oogenesis. Pxt is the Drosophila cyclooxygenase-like enzyme responsible for PG synthesis. Loss of Pxt results in both delayed border cell migration and elongated clusters, whereas somatic Pxt knockdown causes delayed migration and compacted clusters. These findings suggest PGs act in both the border cells and nurse cells, the substrate on which the border cells migrate. As PGs regulate the actin bundler Fascin, and Fascin is required for on-time migration, we assessed whether PGs regulate Fascin to promote border cell migration. Coreduction of Pxt and Fascin results in delayed migration and elongated clusters. The latter may be due to altered cell adhesion, as loss of Pxt or Fascin, or coreduction of both, decreases integrin levels on the border cell membranes. Conversely, integrin localization is unaffected by somatic knockdown of Pxt. Together these data lead to the model that PG signaling controls Fascin in the border cells to promote migration and in the nurse cells to maintain cluster cohesion.
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Affiliation(s)
- Emily F Fox
- Department of Anatomy and Cell Biology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242
| | - Maureen C Lamb
- Department of Anatomy and Cell Biology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242
| | - Samuel Q Mellentine
- Department of Anatomy and Cell Biology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242
| | - Tina L Tootle
- Department of Anatomy and Cell Biology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242
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36
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Lamb MC, Anliker KK, Tootle TL. Fascin regulates protrusions and delamination to mediate invasive, collective cell migration in vivo. Dev Dyn 2020; 249:961-982. [PMID: 32352613 DOI: 10.1002/dvdy.186] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/26/2020] [Accepted: 04/23/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The actin bundling protein Fascin is essential for developmental cell migrations and promotes cancer metastasis. In addition to bundling actin, Fascin has several actin-independent roles; how these other functions contribute to cell migration remains unclear. Border cell migration during Drosophila oogenesis provides an excellent model to study Fascin's various roles during invasive, collective cell migration. RESULTS On-time border cell migration during Stage 9 requires Fascin (Drosophila Singed). Fascin functions not only within the migrating border cells, but also within the nurse cells, the substrate for this migration. Fascin genetically interacts with the actin elongation factor Enabled to promote on-time Stage 9 migration and overexpression of Enabled suppresses the defects seen with loss of Fascin. Loss of Fascin results in increased, shorter and mislocalized protrusions during migration. Additionally, loss of Fascin inhibits border cell delamination and increases E-Cadherin (Drosophila Shotgun) adhesions on both the border cells and nurse cells. CONCLUSIONS Overall, Fascin promotes on-time border cell migration during Stage 9 and contributes to multiple aspects of this invasive, collective cell migration, including both protrusion dynamics and delamination. These findings have implications beyond Drosophila, as border cell migration has emerged as a model to study mechanisms mediating cancer metastasis.
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Affiliation(s)
- Maureen C Lamb
- Anatomy and Cell Biology, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
| | - Kelsey K Anliker
- Anatomy and Cell Biology, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
| | - Tina L Tootle
- Anatomy and Cell Biology, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
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37
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Pfisterer K, Levitt J, Lawson CD, Marsh RJ, Heddleston JM, Wait E, Ameer-Beg SM, Cox S, Parsons M. FMNL2 regulates dynamics of fascin in filopodia. J Cell Biol 2020; 219:e201906111. [PMID: 32294157 PMCID: PMC7199847 DOI: 10.1083/jcb.201906111] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 11/30/2019] [Accepted: 02/20/2020] [Indexed: 12/31/2022] Open
Abstract
Filopodia are peripheral F-actin-rich structures that enable cell sensing of the microenvironment. Fascin is an F-actin-bundling protein that plays a key role in stabilizing filopodia to support efficient adhesion and migration. Fascin is also highly up-regulated in human cancers, where it increases invasive cell behavior and correlates with poor patient prognosis. Previous studies have shown that fascin phosphorylation can regulate F-actin bundling, and that this modification can contribute to subcellular fascin localization and function. However, the factors that regulate fascin dynamics within filopodia remain poorly understood. In the current study, we used advanced live-cell imaging techniques and a fascin biosensor to demonstrate that fascin phosphorylation, localization, and binding to F-actin are highly dynamic and dependent on local cytoskeletal architecture in cells in both 2D and 3D environments. Fascin dynamics within filopodia are under the control of formins, and in particular FMNL2, that binds directly to dephosphorylated fascin. Our data provide new insight into control of fascin dynamics at the nanoscale and into the mechanisms governing rapid cytoskeletal adaptation to environmental changes. This filopodia-driven exploration stage may represent an essential regulatory step in the transition from static to migrating cancer cells.
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Affiliation(s)
- Karin Pfisterer
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London, UK
| | - James Levitt
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London, UK
- Microscopy Innovation Centre, King's College London, Guy's Campus, London, UK
| | - Campbell D. Lawson
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London, UK
| | - Richard J. Marsh
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London, UK
| | - John M. Heddleston
- Advanced Imaging Centre, Howard Hughes Medical Institute, Janelia Research Campus, Ashburn, VA
| | - Eric Wait
- Advanced Imaging Centre, Howard Hughes Medical Institute, Janelia Research Campus, Ashburn, VA
| | - Simon Morris Ameer-Beg
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London, UK
- School of Cancer and Pharmaceutical Sciences, King's College London, Guy's Campus, London, UK
| | - Susan Cox
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London, UK
| | - Maddy Parsons
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London, UK
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38
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Chromatin and Cytoskeletal Tethering Determine Nuclear Morphology in Progerin-Expressing Cells. Biophys J 2020; 118:2319-2332. [PMID: 32320674 DOI: 10.1016/j.bpj.2020.04.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/18/2020] [Accepted: 04/03/2020] [Indexed: 12/13/2022] Open
Abstract
The nuclear morphology of eukaryotic cells is determined by the interplay between the lamina forming the nuclear skeleton, the chromatin inside the nucleus, and the coupling with the cytoskeleton. Nuclear alterations are often associated with pathological conditions as in Hutchinson-Gilford progeria syndrome, in which a mutation in the lamin A gene yields an altered form of the protein, named progerin, and an aberrant nuclear shape. Here, we introduce an inducible cellular model of Hutchinson-Gilford progeria syndrome in HeLa cells in which increased progerin expression leads to alterations in the coupling of the lamin shell with cytoskeletal or chromatin tethers as well as with polycomb group proteins. Furthermore, our experiments show that progerin expression leads to enhanced nuclear shape fluctuations in response to cytoskeletal activity. To interpret the experimental results, we introduce a computational model of the cell nucleus that explicitly includes chromatin fibers, the nuclear shell, and coupling with the cytoskeleton. The model allows us to investigate how the geometrical organization of the chromatin-lamin tether affects nuclear morphology and shape fluctuations. In sum, our findings highlight the crucial role played by lamin-chromatin and lamin-cytoskeletal alterations in determining nuclear shape morphology and in affecting cellular functions and gene regulation.
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39
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Zhan XH, Jiao JW, Zhang HF, Xu XE, He JZ, Li RL, Zou HY, Wu ZY, Wang SH, Wu JY, Liao LD, Wang JJ, Cheng YW, Zhang K, Neufeld G, Xu LY, Li EM. LOXL2 Upregulates Phosphorylation of Ezrin to Promote Cytoskeletal Reorganization and Tumor Cell Invasion. Cancer Res 2019; 79:4951-4964. [PMID: 31409639 DOI: 10.1158/0008-5472.can-19-0860] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 07/11/2019] [Accepted: 08/08/2019] [Indexed: 02/05/2023]
Abstract
Lysyl oxidase-like 2 (LOXL2), a copper-dependent enzyme of the lysyl oxidase family and its nonsecreted, catalytically dead spliced isoform L2Δ13, enhance cell migration and invasion, stimulate filopodia formation, modulate the expression of cytoskeletal genes, and promote tumor development and metastasis in vivo. We previously showed that LOXL2 reorganizes the actin cytoskeleton in esophageal squamous cell carcinoma (ESCC) cells, however, the underlying molecular mechanisms were not identified. Here, using interactome analysis, we identified ezrin (EZR), fascin (FSCN1), heat shock protein beta-1 (HSPB1), and tropomodulin-3 (TMOD3) as actin-binding proteins that associate with cytoplasmic LOXL2, as well as with its L2Δ13 variant. High levels of LOXL2 and L2Δ13 and their cytoskeletal partners correlated with poor clinical outcome in patients with ESCC. To better understand the significance of these interactions, we focused on the interaction of LOXL2 with ezrin. Phosphorylation of ezrin at T567 was greatly reduced following depletion of LOXL2 and was enhanced following LOXL2/L2Δ13 reexpression. Furthermore, LOXL2 depletion inhibited the ability of ezrin to promote tumor progression. These results suggest that LOXL2-induced ezrin phosphorylation, which also requires PKCα, is critical for LOXL2-induced cytoskeletal reorganization that subsequently promotes tumor cell invasion and metastasis in ESCC. In summary, we have characterized a novel molecular mechanism that mediates, in part, the protumorigenic activity of LOXL2. These findings may enable the future development of therapeutic agents targeting cytoplasmic LOXL2. SIGNIFICANCE: LOXL2 and its spliced isoform L2Δ13 promote cytoskeletal reorganization and invasion of esophageal cancer cells by interacting with cytoplasmic actin-binding proteins such as ezrin.
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Affiliation(s)
- Xiu-Hui Zhan
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
| | - Ji-Wei Jiao
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
| | - Hai-Feng Zhang
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
| | - Xiu-E Xu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou, China
| | - Jian-Zhong He
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou, China
| | - Run-Liu Li
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
| | - Hai-Ying Zou
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
| | - Zhi-Yong Wu
- Department of Tumor Surgery, Shantou Central Hospital, Affiliated Shantou Hospital of Sun Yat-sen University, Shantou, China
| | - Shao-Hong Wang
- Department of Pathology, Shantou Central Hospital, Affiliated Shantou Hospital of Sun Yat-sen University, Shantou, China
| | - Jian-Yi Wu
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
| | - Lian-Di Liao
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou, China
| | - Juan-Juan Wang
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou, China
| | - Yin-Wei Cheng
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, China
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
| | - Kai Zhang
- Department of Biochemistry and Molecular Biology, Tianjin Medical University, Tianjin, China
| | - Gera Neufeld
- Technion Integrated Cancer Center, The Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Li-Yan Xu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China.
- Institute of Oncologic Pathology, Shantou University Medical College, Shantou, China
| | - En-Min Li
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, China.
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, China
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40
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Liu H, Cui J, Zhang Y, Niu M, Xue X, Yin H, Tang Y, Dai L, Dai F, Guo Y, Wu Y, Gao W. Mass spectrometry‐based proteomic analysis of FSCN1‐interacting proteins in laryngeal squamous cell carcinoma cells. IUBMB Life 2019; 71:1771-1784. [DOI: 10.1002/iub.2121] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 06/02/2019] [Indexed: 11/12/2022]
Affiliation(s)
- Hongliang Liu
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Jiajia Cui
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Yuliang Zhang
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Min Niu
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Xuting Xue
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Hongyu Yin
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Yemei Tang
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Li Dai
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Fengsheng Dai
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Yujia Guo
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Yongyan Wu
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
| | - Wei Gao
- Shanxi Key Laboratory of Otorhinolaryngology Head and Neck CancerShanxi Medical University Taiyuan China
- Otolaryngology Head & Neck Surgery Research InstituteShanxi Medical University Taiyuan China
- The Key Scientific and Technological Innovation Platform for Precision Diagnosis and Treatment of Head and Neck Cancer, Shanxi ProvinceShanxi Medical University Taiyuan China
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41
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The Cytoskeleton-A Complex Interacting Meshwork. Cells 2019; 8:cells8040362. [PMID: 31003495 PMCID: PMC6523135 DOI: 10.3390/cells8040362] [Citation(s) in RCA: 181] [Impact Index Per Article: 36.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 04/15/2019] [Accepted: 04/15/2019] [Indexed: 12/22/2022] Open
Abstract
The cytoskeleton of animal cells is one of the most complicated and functionally versatile structures, involved in processes such as endocytosis, cell division, intra-cellular transport, motility, force transmission, reaction to external forces, adhesion and preservation, and adaptation of cell shape. These functions are mediated by three classical cytoskeletal filament types, as follows: Actin, microtubules, and intermediate filaments. The named filaments form a network that is highly structured and dynamic, responding to external and internal cues with a quick reorganization that is orchestrated on the time scale of minutes and has to be tightly regulated. Especially in brain tumors, the cytoskeleton plays an important role in spreading and migration of tumor cells. As the cytoskeletal organization and regulation is complex and many-faceted, this review aims to summarize the findings about cytoskeletal filament types, including substructures formed by them, such as lamellipodia, stress fibers, and interactions between intermediate filaments, microtubules and actin. Additionally, crucial regulatory aspects of the cytoskeletal filaments and the formed substructures are discussed and integrated into the concepts of cell motility. Even though little is known about the impact of cytoskeletal alterations on the progress of glioma, a final point discussed will be the impact of established cytoskeletal alterations in the cellular behavior and invasion of glioma.
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42
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Bulek K, Chen X, Parron V, Sundaram A, Herjan T, Ouyang S, Liu C, Majors A, Zepp J, Gao J, Dongre A, Bodaszewska-Lubas M, Echard A, Aronica M, Carman J, Garantziotis S, Sheppard D, Li X. IL-17A Recruits Rab35 to IL-17R to Mediate PKCα-Dependent Stress Fiber Formation and Airway Smooth Muscle Contractility. THE JOURNAL OF IMMUNOLOGY 2019; 202:1540-1548. [PMID: 30683702 DOI: 10.4049/jimmunol.1801025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 12/21/2018] [Indexed: 12/31/2022]
Abstract
IL-17A is a critical proinflammatory cytokine for the pathogenesis of asthma including neutrophilic pulmonary inflammation and airway hyperresponsiveness. In this study, by cell type-specific deletion of IL-17R and adaptor Act1, we demonstrated that IL-17R/Act1 exerts a direct impact on the contraction of airway smooth muscle cells (ASMCs). Mechanistically, IL-17A induced the recruitment of Rab35 (a small monomeric GTPase) and DennD1C (guanine nucleotide exchange factor [GEF]) to the IL-17R/Act1 complex in ASMCs, resulting in activation of Rab35. Rab35 knockdown showed that IL-17A-induced Rab35 activation was essential for protein kinase Cα (PKCα) activation and phosphorylation of fascin at Ser39 in ASMCs, allowing F-actin to interact with myosin to form stress fibers and enhance the contraction induced by methacholine. PKCα inhibitor or Rab35 knockdown indeed substantially reduced IL-17A-induced stress fiber formation in ASMCs and attenuated IL-17A-enhanced, methacholine-induced contraction of airway smooth muscle. Taken together, these data indicate that IL-17A promotes airway smooth muscle contraction via direct recruitment of Rab35 to IL-17R, followed by PKCα activation and stress fiber formation.
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Affiliation(s)
- Katarzyna Bulek
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH 44195; .,Department of Immunology, Faculty of Biochemistry, Biophysics, and Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
| | - Xing Chen
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH 44195
| | - Vandy Parron
- Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709
| | - Aparna Sundaram
- Lung Biology Center, University of California San Francisco, San Francisco, CA 94143
| | - Tomasz Herjan
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH 44195.,Department of General Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
| | - Suidong Ouyang
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH 44195
| | - Caini Liu
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH 44195
| | - Alana Majors
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH 44195
| | - Jarod Zepp
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH 44195
| | - Ji Gao
- Discovery Biology, Bristol-Myers Squibb, Princeton, NJ 08543; and
| | - Ashok Dongre
- Discovery Biology, Bristol-Myers Squibb, Princeton, NJ 08543; and
| | - Malgorzata Bodaszewska-Lubas
- Department of Immunology, Faculty of Biochemistry, Biophysics, and Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
| | - Arnaud Echard
- Membrane Traffic and Cell Division Lab, Cell Biology and Infection Department, Pasteur Institute, 75015 Paris, France
| | - Mark Aronica
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH 44195
| | - Julie Carman
- Discovery Biology, Bristol-Myers Squibb, Princeton, NJ 08543; and
| | - Stavros Garantziotis
- Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709
| | - Dean Sheppard
- Lung Biology Center, University of California San Francisco, San Francisco, CA 94143
| | - Xiaoxia Li
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH 44195;
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43
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Staneva R, Burla F, Koenderink GH, Descroix S, Vignjevic DM, Attieh Y, Verhulsel M. A new biomimetic assay reveals the temporal role of matrix stiffening in cancer cell invasion. Mol Biol Cell 2018; 29:2979-2988. [PMID: 30303750 PMCID: PMC6333180 DOI: 10.1091/mbc.e18-01-0068] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Tumor initiation and growth is associated with significant changes in the surrounding tissue. During carcinoma progression, a global stiffening of the extracellular matrix is observed and is interpreted as a signature of aggressive invasive tumors. However, it is still unknown whether this increase in matrix rigidity promotes invasion and whether this effect is constant along the course of invasion. Here we have developed a biomimetic in vitro assay that enabled us to address the question of the importance of tissue rigidity in the chronology of tumor invasion. Using low concentrations of the sugar threose, we can effectively stiffen reconstituted collagen I matrices and control the stiffening in time with no direct effect on residing cells. Our findings demonstrate that, depending on the timing of its stiffening, the extracellular matrix could either inhibit or promote cancer cell invasion and subsequent metastasis: while matrix stiffening after the onset of invasion promotes cancer cell migration and tumor spreading, stiff matrices encapsulate the tumor at an early stage and prevent cancer cell invasion. Our study suggests that adding a temporal dimension in in vitro models to analyze biological processes in four dimensions is necessary to fully capture their complexity.
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Affiliation(s)
- Ralitza Staneva
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Université Paris Descartes, 75006 Paris, France
| | - Federica Burla
- Department of Living Matter, AMOLF, 1098 XG Amsterdam, The Netherlands
| | | | | | | | - Youmna Attieh
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Sorbonne Universités, UPMC Univ Paris 06, IFD, 75252 Paris cedex 05, France
| | - Marine Verhulsel
- UMR 168, F-75005 Paris, France.,Sorbonne Universités, UPMC Univ Paris 06, IFD, 75252 Paris cedex 05, France
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44
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S100P enhances the motility and invasion of human trophoblast cell lines. Sci Rep 2018; 8:11488. [PMID: 30065265 PMCID: PMC6068119 DOI: 10.1038/s41598-018-29852-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 06/26/2018] [Indexed: 01/11/2023] Open
Abstract
S100P has been shown to be a marker for carcinogenesis where its expression in solid tumours correlates with metastasis and a poor patient prognosis. This protein's role in any physiological process is, however, unknown. Here we first show that S100P is expressed both in trophoblasts in vivo as well as in some corresponding cell lines in culture. We demonstrate that S100P is predominantly expressed during the early stage of placental formation with its highest expression levels occurring during the first trimester of gestation, particularly in the invading columns and anchoring villi. Using gain or loss of function studies through overexpression or knockdown of S100P expression respectively, our work shows that S100P stimulates both cell motility and cellular invasion in different trophoblastic and first trimester EVT cell lines. Interestingly, cell invasion was seen to be more dramatically affected than cell migration. Our results suggest that S100P may be acting as an important regulator of trophoblast invasion during placentation. This finding sheds new light on a hitherto uncharacterized molecular mechanism which may, in turn, lead to the identification of novel targets that may explain why significant numbers of confirmed human pregnancies suffer complications through poor placental implantation.
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45
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Giza JI, Kim J, Meyer HC, Anastasia A, Dincheva I, Zheng CI, Lopez K, Bains H, Yang J, Bracken C, Liston C, Jing D, Hempstead BL, Lee FS. The BDNF Val66Met Prodomain Disassembles Dendritic Spines Altering Fear Extinction Circuitry and Behavior. Neuron 2018; 99:163-178.e6. [PMID: 29909994 DOI: 10.1016/j.neuron.2018.05.024] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 01/18/2018] [Accepted: 05/15/2018] [Indexed: 11/16/2022]
Abstract
A human variant in the BDNF gene (Val66Met; rs6265) is associated with impaired fear extinction. Using super-resolution imaging, we demonstrate that the BDNF Met prodomain disassembles dendritic spines and eliminates synapses in hippocampal neurons. In vivo, ventral CA1 (vCA1) hippocampal neurons undergo similar morphological changes dependent on their transient co-expression of a SorCS2/p75NTR receptor complex during peri-adolescence. BDNF Met prodomain infusion into the vCA1 during this developmental time frame reduces dendritic spine density and prelimbic (PL) projections, impairing cued fear extinction. Adolescent BdnfMet/Met mice display similar spine and PL innervation deficits. Using fiber photometry, we found that, in wild-type mice, vCA1 neurons projecting to the PL encode extinction by enhancing neural activity in threat anticipation and rapidly subsiding their response. This adaptation is absent in BDNFMet/Met mice. We conclude that the BDNF Met prodomain renders vCA1-PL projection neurons underdeveloped, preventing their capacity for subsequent circuit modulation necessary for fear extinction. VIDEO ABSTRACT.
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Affiliation(s)
- Joanna I Giza
- Department of Psychiatry, Weill Cornell Medicine, New York, NY 10065, USA
| | - Jihye Kim
- Department of Psychiatry, Weill Cornell Medicine, New York, NY 10065, USA
| | - Heidi C Meyer
- Department of Psychiatry, Weill Cornell Medicine, New York, NY 10065, USA
| | - Agustin Anastasia
- Instituto de Investigación Médica Mercedes y Martín Ferreyra (INIMEC-CONICET-Universidad Nacional de Córdoba), Córdoba, Argentina
| | - Iva Dincheva
- Department of Psychiatry, Columbia University, New York, NY 10032, USA
| | - Crystal I Zheng
- Department of Psychiatry, Weill Cornell Medicine, New York, NY 10065, USA
| | - Katherine Lopez
- Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10065, USA
| | - Henrietta Bains
- Department of Medicine, Weill Cornell Medicine, New York, NY 10065, USA
| | - Jianmin Yang
- Department of Medicine, Weill Cornell Medicine, New York, NY 10065, USA; Key Laboratory of Shaanxi Province Department for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China
| | - Clay Bracken
- Department of Biochemistry, Weill Cornell Medicine, New York, NY 10065, USA
| | - Conor Liston
- Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10065, USA
| | - Deqiang Jing
- Department of Psychiatry, Weill Cornell Medicine, New York, NY 10065, USA
| | | | - Francis S Lee
- Department of Psychiatry, Weill Cornell Medicine, New York, NY 10065, USA; Sackler Institute for Developmental Psychobiology, Weill Cornell Medicine, New York, NY 10065, USA.
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46
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Abu Hamdeh S, Shevchenko G, Mi J, Musunuri S, Bergquist J, Marklund N. Proteomic differences between focal and diffuse traumatic brain injury in human brain tissue. Sci Rep 2018; 8:6807. [PMID: 29717219 PMCID: PMC5931620 DOI: 10.1038/s41598-018-25060-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Accepted: 04/09/2018] [Indexed: 02/06/2023] Open
Abstract
The early molecular response to severe traumatic brain injury (TBI) was evaluated using biopsies of structurally normal-appearing cortex, obtained at location for intracranial pressure (ICP) monitoring, from 16 severe TBI patients. Mass spectrometry (MS; label free and stable isotope dimethyl labeling) quantitation proteomics showed a strikingly different molecular pattern in TBI in comparison to cortical biopsies from 11 idiopathic normal pressure hydrocephalus patients. Diffuse TBI showed increased expression of peptides related to neurodegeneration (Tau and Fascin, p < 0.05), reduced expression related to antioxidant defense (Glutathione S-transferase Mu 3, Peroxiredoxin-6, Thioredoxin-dependent peroxide reductase; p < 0.05) and increased expression of potential biomarkers (e.g. Neurogranin, Fatty acid-binding protein, heart p < 0.05) compared to focal TBI. Proteomics of human brain biopsies displayed considerable molecular heterogeneity among the different TBI subtypes with consequences for the pathophysiology and development of targeted treatments for TBI.
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Affiliation(s)
- Sami Abu Hamdeh
- Department of Neuroscience, Neurosurgery, Uppsala University, Uppsala, Sweden
| | - Ganna Shevchenko
- Analytical Chemistry, Department of Chemistry-BMC, Uppsala University, Uppsala, Sweden
| | - Jia Mi
- Analytical Chemistry, Department of Chemistry-BMC, Uppsala University, Uppsala, Sweden.,Medicine and Pharmacy Research Center, Binzhou Medical University, Yantai, China
| | - Sravani Musunuri
- Analytical Chemistry, Department of Chemistry-BMC, Uppsala University, Uppsala, Sweden
| | - Jonas Bergquist
- Analytical Chemistry, Department of Chemistry-BMC, Uppsala University, Uppsala, Sweden.,Medicine and Pharmacy Research Center, Binzhou Medical University, Yantai, China
| | - Niklas Marklund
- Department of Neuroscience, Neurosurgery, Uppsala University, Uppsala, Sweden.
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47
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Spiliotis ET. Spatial effects - site-specific regulation of actin and microtubule organization by septin GTPases. J Cell Sci 2018; 131:jcs207555. [PMID: 29326311 PMCID: PMC5818061 DOI: 10.1242/jcs.207555] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The actin and microtubule cytoskeletons comprise a variety of networks with distinct architectures, dynamics and protein composition. A fundamental question in eukaryotic cell biology is how these networks are spatially and temporally controlled, so they are positioned in the right intracellular places at the right time. While significant progress has been made in understanding the self-assembly of actin and microtubule networks, less is known about how they are patterned and regulated in a site-specific manner. In mammalian systems, septins are a large family of GTP-binding proteins that multimerize into higher-order structures, which associate with distinct subsets of actin filaments and microtubules, as well as membranes of specific curvature and lipid composition. Recent studies have shed more light on how septins interact with actin and microtubules, and raised the possibility that the cytoskeletal topology of septins is determined by their membrane specificity. Importantly, new functions have emerged for septins regarding the generation, maintenance and positioning of cytoskeletal networks with distinct organization and biochemical makeup. This Review presents new and past findings, and discusses septins as a unique regulatory module that instructs the local differentiation and positioning of distinct actin and microtubule networks.
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Affiliation(s)
- Elias T Spiliotis
- Drexel University, Department of Biology, Drexel University, Philadelphia, PA 19104, USA
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48
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Gonzalez-Reyes C, Marcial-Medina C, Cervantes-Anaya N, Cortes-Reynosa P, Salazar EP. Migration and invasion induced by linoleic acid are mediated through fascin in MDA-MB-231 breast cancer cells. Mol Cell Biochem 2017; 443:1-10. [PMID: 29052029 DOI: 10.1007/s11010-017-3205-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 10/14/2017] [Indexed: 12/12/2022]
Abstract
Epidemiological studies strongly suggest an association between high levels of dietary fat intake and an increased risk of developing breast cancer. Linoleic acid (LA) is an essential omega-6 PUFA and the major fatty acid in occidental diets. In breast cancer cells, LA induces expression of plasminogen activator inhibitor-1, proliferation, migration, and invasion. Fascin is an actin crosslinker globular protein that generates actin bundles made of parallel actin filaments, which mediate formation and stability of microspikes, stress fibers, membrane ruffles, and filopodia. However, the role of fascin in migration and invasion induced by LA in MDA-MB-231 breast cancer cells remains to be studied. We demonstrate here that LA induces an increase of fascin expression in MDA-MB-231 and MCF12A mammary epithelial cells. Particularly, LA induces the formation of filopodia and lamellipodia and the localization of fascin in these actin structures in MDA-MB-231 breast cancer cells. However, LA only induces formation of microspikes and the localization of fascin in these actin structures in mammary non-tumorigenic epithelial cells MCF12A. In addition, LA induces migration, invasion, and matrix metalloproteinase-9 secretion through a fascin-dependent pathway in MDA-MB-231 cells. In summary, our findings demonstrate that fascin is required for migration and invasion induced by LA in MDA-MB-231 breast cancer cells.
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Affiliation(s)
- Christian Gonzalez-Reyes
- Departamento de Biologia Celular, Cinvestav-IPN, Av IPN # 2508, San Pedro Zacatenco, 07360, Mexico City, Mexico
| | - Cleofas Marcial-Medina
- Departamento de Biologia Celular, Cinvestav-IPN, Av IPN # 2508, San Pedro Zacatenco, 07360, Mexico City, Mexico
| | - Nancy Cervantes-Anaya
- Departamento de Biologia Celular, Cinvestav-IPN, Av IPN # 2508, San Pedro Zacatenco, 07360, Mexico City, Mexico
| | - Pedro Cortes-Reynosa
- Departamento de Biologia Celular, Cinvestav-IPN, Av IPN # 2508, San Pedro Zacatenco, 07360, Mexico City, Mexico
| | - Eduardo Perez Salazar
- Departamento de Biologia Celular, Cinvestav-IPN, Av IPN # 2508, San Pedro Zacatenco, 07360, Mexico City, Mexico.
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49
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Attieh Y, Clark AG, Grass C, Richon S, Pocard M, Mariani P, Elkhatib N, Betz T, Gurchenkov B, Vignjevic DM. Cancer-associated fibroblasts lead tumor invasion through integrin-β3-dependent fibronectin assembly. J Cell Biol 2017; 216:3509-3520. [PMID: 28931556 PMCID: PMC5674886 DOI: 10.1083/jcb.201702033] [Citation(s) in RCA: 219] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 07/06/2017] [Accepted: 08/01/2017] [Indexed: 02/04/2023] Open
Abstract
Cancer-associated fibroblasts (CAFs) promote cancer cell invasion and dissemination by remodeling the extracellular matrix; however, the mechanism by which CAFs remodel the matrix is still unknown. Attieh et al. show that CAFs induce cancer cell invasion through fibronectin matrix assembly that is mainly mediated by integrin-αvβ3. Cancer-associated fibroblasts (CAFs) are the most abundant cells of the tumor stroma. Their capacity to contract the matrix and induce invasion of cancer cells has been well documented. However, it is not clear whether CAFs remodel the matrix by other means, such as degradation, matrix deposition, or stiffening. We now show that CAFs assemble fibronectin (FN) and trigger invasion mainly via integrin-αvβ3. In the absence of FN, contractility of the matrix by CAFs is preserved, but their ability to induce invasion is abrogated. When degradation is impaired, CAFs retain the capacity to induce invasion in an FN-dependent manner. The level of expression of integrins αv and β3 and the amount of assembled FN are directly proportional to the invasion induced by fibroblast populations. Our results highlight FN assembly and integrin-αvβ3 expression as new hallmarks of CAFs that promote tumor invasion.
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Affiliation(s)
- Youmna Attieh
- Institut Curie, Paris Sciences et Lettres Research University, Centre National de la Recherche Scientifique, UMR 144, Paris, France .,Sorbonne Universités, University Pierre and Marie Curie, University of Paris 6, Institute of Doctoral Studies, Paris, France
| | - Andrew G Clark
- Institut Curie, Paris Sciences et Lettres Research University, Centre National de la Recherche Scientifique, UMR 144, Paris, France
| | - Carina Grass
- Institut Curie, Paris Sciences et Lettres Research University, Centre National de la Recherche Scientifique, UMR 144, Paris, France.,Department of Biochemistry, Technische Universitaet Munich, Munich, Germany
| | - Sophie Richon
- Institut Curie, Paris Sciences et Lettres Research University, Centre National de la Recherche Scientifique, UMR 144, Paris, France
| | - Marc Pocard
- Chirurgie digestive et cancérologique, Hôpital Lariboisière, Université Paris Diderot, Sorbonne Paris Cité, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Pascale Mariani
- Department of Surgery, Institut Curie, Paris Sciences et Lettres Research University, Paris and Saint Cloud, France
| | - Nadia Elkhatib
- Institut National de la Santé et de la Recherche Médicale U1170, Gustave Roussy Institute, Université Paris-Saclay, Villejuif, France
| | - Timo Betz
- Center for Molecular Biology of Inflammation, Cells-in-Motion Cluster of Excellence, Institute of Cell Biology, Münster University, Münster, Germany
| | - Basile Gurchenkov
- Institut Curie, Paris Sciences et Lettres Research University, Centre National de la Recherche Scientifique, UMR 144, Paris, France
| | - Danijela Matic Vignjevic
- Institut Curie, Paris Sciences et Lettres Research University, Centre National de la Recherche Scientifique, UMR 144, Paris, France
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50
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Kliewe F, Scharf C, Rogge H, Darm K, Lindenmeyer MT, Amann K, Cohen CD, Endlich K, Endlich N. Studying the role of fascin-1 in mechanically stressed podocytes. Sci Rep 2017; 7:9916. [PMID: 28855604 PMCID: PMC5577297 DOI: 10.1038/s41598-017-10116-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 08/04/2017] [Indexed: 11/09/2022] Open
Abstract
Glomerular hypertension causes glomerulosclerosis via the loss of podocytes, which are challenged by increased mechanical load. We have demonstrated that podocytes are mechanosensitive. However, the response of podocytes to mechanical stretching remains incompletely understood. Here we demonstrate that the actin-bundling protein fascin-1 plays an important role in podocytes that are exposed to mechanical stress. Immunofluorescence staining revealed colocalization of fascin-1 and nephrin in mouse kidney sections. In cultured mouse podocytes fascin-1 was localized along actin fibers and filopodia in stretched and unstretched podocytes. The mRNA and protein levels of fascin-1 were not affected by mechanical stress. By Western blot and 2D-gelelectrophoresis we observed that phospho-fascin-1 was significantly downregulated after mechanical stretching. It is known that phosphorylation at serine 39 (S39) regulates the bundling activity of fascin-1, e.g. required for filopodia formation. Podocytes expressing wild type GFP-fascin-1 and non-phosphorylatable GFP-fascin-1-S39A showed marked filopodia formation, being absent in podocytes expressing phosphomimetic GFP-fascin-1-S39D. Finally, the immunofluorescence signal of phosphorylated fascin-1 was strongly reduced in glomeruli of patients with diabetic nephropathy compared to healthy controls. In summary, mechanical stress dephosphorylates fascin-1 in podocytes in vitro and in vivo thereby fascin-1 may play an important role in the adaptation of podocytes to mechanical forces.
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Affiliation(s)
- Felix Kliewe
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Christian Scharf
- Department of Ear, Nose and Throat Diseases, University Medicine Greifswald, Greifswald, Germany
| | - Henrik Rogge
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Katrin Darm
- Department of Ear, Nose and Throat Diseases, University Medicine Greifswald, Greifswald, Germany
| | - Maja T Lindenmeyer
- Nephrological Center, Medical Clinic and Policlinic IV, University of Munich, Munich, Germany
| | - Kerstin Amann
- Department of Nephropathology, University Medicine Erlangen, Erlangen, Germany
| | - Clemens D Cohen
- Nephrological Center, Medical Clinic and Policlinic IV, University of Munich, Munich, Germany
| | - Karlhans Endlich
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | - Nicole Endlich
- Department of Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany.
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