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Whisler J, Shahreza S, Schlegelmilch K, Ege N, Javanmardi Y, Malandrino A, Agrawal A, Fantin A, Serwinski B, Azizgolshani H, Park C, Shone V, Demuren OO, Del Rosario A, Butty VL, Holroyd N, Domart MC, Hooper S, Szita N, Boyer LA, Walker-Samuel S, Djordjevic B, Sheridan GK, Collinson L, Calvo F, Ruhrberg C, Sahai E, Kamm R, Moeendarbary E. Emergent mechanical control of vascular morphogenesis. Sci Adv 2023; 9:eadg9781. [PMID: 37566656 PMCID: PMC10421067 DOI: 10.1126/sciadv.adg9781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 07/13/2023] [Indexed: 08/13/2023]
Abstract
Vascularization is driven by morphogen signals and mechanical cues that coordinately regulate cellular force generation, migration, and shape change to sculpt the developing vascular network. However, it remains unclear whether developing vasculature actively regulates its own mechanical properties to achieve effective vascularization. We engineered tissue constructs containing endothelial cells and fibroblasts to investigate the mechanics of vascularization. Tissue stiffness increases during vascular morphogenesis resulting from emergent interactions between endothelial cells, fibroblasts, and ECM and correlates with enhanced vascular function. Contractile cellular forces are key to emergent tissue stiffening and synergize with ECM mechanical properties to modulate the mechanics of vascularization. Emergent tissue stiffening and vascular function rely on mechanotransduction signaling within fibroblasts, mediated by YAP1. Mouse embryos lacking YAP1 in fibroblasts exhibit both reduced tissue stiffness and develop lethal vascular defects. Translating our findings through biology-inspired vascular tissue engineering approaches will have substantial implications in regenerative medicine.
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Affiliation(s)
- Jordan Whisler
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Somayeh Shahreza
- Department of Mechanical Engineering, University College London, London, UK
| | | | - Nil Ege
- Tumour Cell Biology Laboratory, Francis Crick Institute, London, UK
- Mnemo Therapeutics, 101 Boulevard Murat, 75016 Paris, France
| | - Yousef Javanmardi
- Department of Mechanical Engineering, University College London, London, UK
| | - Andrea Malandrino
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering and Research Center for Biomedical Engineering, Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany, 10-14 08019 Barcelona, Spain
| | - Ayushi Agrawal
- Department of Mechanical Engineering, University College London, London, UK
| | - Alessandro Fantin
- UCL Institute of Ophthalmology, University College London, London, UK
- Department of Biosciences, University of Milan, Via G. Celoria 26, 20133 Milan, Italy
| | - Bianca Serwinski
- Department of Mechanical Engineering, University College London, London, UK
- 199 Biotechnologies Ltd., Gloucester Road, London W2 6LD, UK
- Northeastern University London, London, E1W 1LP, UK
| | - Hesham Azizgolshani
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Clara Park
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Victoria Shone
- Experimental Histopathology Laboratory, Francis Crick Institute, London, UK
| | - Olukunle O. Demuren
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Amanda Del Rosario
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Vincent L. Butty
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Natalie Holroyd
- UCL Centre for Advanced Biomedical Imaging, Paul O'Gorman Building, 72 Huntley Street, London, UK
| | | | - Steven Hooper
- Tumour Cell Biology Laboratory, Francis Crick Institute, London, UK
| | - Nicolas Szita
- Department of Biochemical Engineering, University College London, London, UK
| | - Laurie A. Boyer
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Simon Walker-Samuel
- UCL Centre for Advanced Biomedical Imaging, Paul O'Gorman Building, 72 Huntley Street, London, UK
| | - Boris Djordjevic
- Department of Mechanical Engineering, University College London, London, UK
- 199 Biotechnologies Ltd., Gloucester Road, London W2 6LD, UK
| | - Graham K. Sheridan
- School of Life Sciences, Queen’s Medical Centre, University of Nottingham, Nottingham, UK
| | - Lucy Collinson
- Electron Microscopy Laboratory, Francis Crick Institute, London, UK
| | - Fernando Calvo
- Instituto de Biomedicina y Biotecnología de Cantabria (Consejo Superior de Investigaciones Científicas, Universidad de Cantabria), Santander, Spain
| | | | - Erik Sahai
- Tumour Cell Biology Laboratory, Francis Crick Institute, London, UK
| | - Roger Kamm
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Emad Moeendarbary
- Department of Mechanical Engineering, University College London, London, UK
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- 199 Biotechnologies Ltd., Gloucester Road, London W2 6LD, UK
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Hu J, Serra‐Picamal X, Bakker G, Van Troys M, Winograd‐Katz S, Ege N, Gong X, Didan Y, Grosheva I, Polansky O, Bakkali K, Van Hamme E, van Erp M, Vullings M, Weiss F, Clucas J, Dowbaj AM, Sahai E, Ampe C, Geiger B, Friedl P, Bottai M, Strömblad S. Multisite assessment of reproducibility in high-content cell migration imaging data. Mol Syst Biol 2023; 19:e11490. [PMID: 37063090 PMCID: PMC10258559 DOI: 10.15252/msb.202211490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 03/27/2023] [Accepted: 03/30/2023] [Indexed: 04/18/2023] Open
Abstract
High-content image-based cell phenotyping provides fundamental insights into a broad variety of life science disciplines. Striving for accurate conclusions and meaningful impact demands high reproducibility standards, with particular relevance for high-quality open-access data sharing and meta-analysis. However, the sources and degree of biological and technical variability, and thus the reproducibility and usefulness of meta-analysis of results from live-cell microscopy, have not been systematically investigated. Here, using high-content data describing features of cell migration and morphology, we determine the sources of variability across different scales, including between laboratories, persons, experiments, technical repeats, cells, and time points. Significant technical variability occurred between laboratories and, to lesser extent, between persons, providing low value to direct meta-analysis on the data from different laboratories. However, batch effect removal markedly improved the possibility to combine image-based datasets of perturbation experiments. Thus, reproducible quantitative high-content cell image analysis of perturbation effects and meta-analysis depend on standardized procedures combined with batch correction.
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Affiliation(s)
- Jianjiang Hu
- Department of Biosciences and NutritionKarolinska InstitutetStockholmSweden
| | | | - Gert‐Jan Bakker
- Department of Medical BioSciencesRadboud University Medical CenterNijmegenThe Netherlands
| | | | - Sabina Winograd‐Katz
- Department of Immunology and Regenerative BiologyWeizmann Institute of ScienceRehovotIsrael
| | - Nil Ege
- The Francis Crick InstituteLondonUK
| | - Xiaowei Gong
- Department of Biosciences and NutritionKarolinska InstitutetStockholmSweden
| | - Yuliia Didan
- Department of Biosciences and NutritionKarolinska InstitutetStockholmSweden
| | - Inna Grosheva
- Department of Immunology and Regenerative BiologyWeizmann Institute of ScienceRehovotIsrael
| | - Omer Polansky
- Department of Immunology and Regenerative BiologyWeizmann Institute of ScienceRehovotIsrael
| | - Karima Bakkali
- Department of Biomolecular MedicineGhent UniversityGhentBelgium
| | | | - Merijn van Erp
- Department of Medical BioSciencesRadboud University Medical CenterNijmegenThe Netherlands
| | - Manon Vullings
- Department of Medical BioSciencesRadboud University Medical CenterNijmegenThe Netherlands
| | - Felix Weiss
- Department of Medical BioSciencesRadboud University Medical CenterNijmegenThe Netherlands
| | | | | | | | - Christophe Ampe
- Department of Biomolecular MedicineGhent UniversityGhentBelgium
| | - Benjamin Geiger
- Department of Immunology and Regenerative BiologyWeizmann Institute of ScienceRehovotIsrael
| | - Peter Friedl
- Department of Medical BioSciencesRadboud University Medical CenterNijmegenThe Netherlands
| | - Matteo Bottai
- Division of Biostatistics, Institute of Environmental MedicineKarolinska InstitutetStockholmSweden
| | - Staffan Strömblad
- Department of Biosciences and NutritionKarolinska InstitutetStockholmSweden
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Ege N, Dowbaj AM, Jiang M, Howell M, Hooper S, Foster C, Jenkins RP, Sahai E. Quantitative Analysis Reveals that Actin and Src-Family Kinases Regulate Nuclear YAP1 and Its Export. Cell Syst 2018; 6:692-708.e13. [PMID: 29909276 PMCID: PMC6035388 DOI: 10.1016/j.cels.2018.05.006] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 02/08/2018] [Accepted: 05/08/2018] [Indexed: 12/12/2022]
Abstract
The transcriptional regulator YAP1 is critical for the pathological activation of fibroblasts. In normal fibroblasts, YAP1 is located in the cytoplasm, while in activated cancer-associated fibroblasts, it is nuclear and promotes the expression of genes required for pro-tumorigenic functions. Here, we investigate the dynamics of YAP1 shuttling in normal and activated fibroblasts, using EYFP-YAP1, quantitative photobleaching methods, and mathematical modeling. Imaging of migrating fibroblasts reveals the tight temporal coupling of cell shape change and altered YAP1 localization. Both 14-3-3 and TEAD binding modulate YAP1 shuttling, but neither affects nuclear import. Instead, we find that YAP1 nuclear accumulation in activated fibroblasts results from Src and actomyosin-dependent suppression of phosphorylated YAP1 export. Finally, we show that nuclear-constrained YAP1, upon XPO1 depletion, remains sensitive to blockade of actomyosin function. Together, these data place nuclear export at the center of YAP1 regulation and indicate that the cytoskeleton can regulate YAP1 within the nucleus.
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Affiliation(s)
- Nil Ege
- Tumour Cell Biology Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Cell and Developmental Biology Department, University College London, London WC1E 6BT, UK
| | - Anna M Dowbaj
- Tumour Cell Biology Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Ming Jiang
- High Throughput Screening, The Francis Crick Institute, London NW1 1AT, UK
| | - Michael Howell
- High Throughput Screening, The Francis Crick Institute, London NW1 1AT, UK
| | - Steven Hooper
- Tumour Cell Biology Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Charles Foster
- Transcription Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Robert P Jenkins
- Tumour Cell Biology Laboratory, The Francis Crick Institute, London NW1 1AT, UK.
| | - Erik Sahai
- Tumour Cell Biology Laboratory, The Francis Crick Institute, London NW1 1AT, UK.
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Calvo F, Ege N, Grande-Garcia A, Hooper S, Jenkins RP, Chaudhry SI, Harrington K, Williamson P, Moeendarbary E, Charras G, Sahai E. Mechanotransduction and YAP-dependent matrix remodelling is required for the generation and maintenance of cancer-associated fibroblasts. Nat Cell Biol 2013; 15:637-46. [PMID: 23708000 PMCID: PMC3836234 DOI: 10.1038/ncb2756] [Citation(s) in RCA: 973] [Impact Index Per Article: 88.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Accepted: 04/12/2013] [Indexed: 12/14/2022]
Abstract
To learn more about cancer-associated fibroblasts (CAFs), we have isolated fibroblasts from different stages of breast cancer progression and analysed their function and gene expression. These analyses reveal that activation of the YAP transcription factor is a signature feature of CAFs. YAP function is required for CAFs to promote matrix stiffening, cancer cell invasion and angiogenesis. Remodelling of the ECM and promotion of cancer cell invasion requires the actomyosin cytoskeleton. YAP regulates the expression of several cytoskeletal regulators, including ANLN and DIAPH3, and controls the protein levels of MYL9 (also known as MLC2). Matrix stiffening further enhances YAP activation, thus establishing a feed-forward self-reinforcing loop that helps to maintain the CAF phenotype. Actomyosin contractility and Src function are required for YAP activation by stiff matrices. Further, transient ROCK inhibition is able to disrupt the feed-forward loop, leading to a long-lasting reversion of the CAF phenotype.
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Affiliation(s)
- Fernando Calvo
- Tumour Cell Biology Laboratory, Cancer Research UK London Research Institute, 44 Lincoln’s Inn Fields, London, WC2A 3LY, UK
| | - Nil Ege
- Tumour Cell Biology Laboratory, Cancer Research UK London Research Institute, 44 Lincoln’s Inn Fields, London, WC2A 3LY, UK
| | - Araceli Grande-Garcia
- Tumour Cell Biology Laboratory, Cancer Research UK London Research Institute, 44 Lincoln’s Inn Fields, London, WC2A 3LY, UK
- Centro Nacional de Investigaciones Oncológicas, C/ Melchor Fernández Almagro, 3, E-28029 Madrid, Spain
| | - Steven Hooper
- Tumour Cell Biology Laboratory, Cancer Research UK London Research Institute, 44 Lincoln’s Inn Fields, London, WC2A 3LY, UK
| | - Robert P. Jenkins
- Tumour Cell Biology Laboratory, Cancer Research UK London Research Institute, 44 Lincoln’s Inn Fields, London, WC2A 3LY, UK
| | - Shahid I. Chaudhry
- Tumour Cell Biology Laboratory, Cancer Research UK London Research Institute, 44 Lincoln’s Inn Fields, London, WC2A 3LY, UK
- Oral Medicine, UCL Eastman Dental Institute and UCLHT Eastman Dental Hospital, London, UK
| | - Kevin Harrington
- Institute of Cancer Research, 237 Fulham Road, London, SW3 6JB, UK
| | - Peter Williamson
- Thomas Tatum Head and Neck Unit, St George’s Hospital, London, UK
| | - Emad Moeendarbary
- London Centre for Nanotechnology, University College London, London, WC1H 0AH, UK
- Department of Cell and Developmental Biology, University College London, WC1E 6BT, UK
| | - Guillaume Charras
- London Centre for Nanotechnology, University College London, London, WC1H 0AH, UK
- Department of Cell and Developmental Biology, University College London, WC1E 6BT, UK
| | - Erik Sahai
- Tumour Cell Biology Laboratory, Cancer Research UK London Research Institute, 44 Lincoln’s Inn Fields, London, WC2A 3LY, UK
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Cantor J, Slepak M, Ege N, Chang JT, Ginsberg MH. Loss of T cell CD98 H chain specifically ablates T cell clonal expansion and protects from autoimmunity. J Immunol 2011; 187:851-60. [PMID: 21670318 DOI: 10.4049/jimmunol.1100002] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
CD98 H chain (4F2 Ag, Slc3a2) was discovered as a lymphocyte-activation Ag. Deletion of CD98 H chain in B cells leads to complete failure of B cell proliferation, plasma cell formation, and Ab secretion. In this study, we examined the role of T cell CD98 in cell-mediated immunity and autoimmune disease pathogenesis by specifically deleting it in murine T cells. Deletion of T cell CD98 prevented experimental autoimmune diabetes associated with dramatically reduced T cell clonal expansion. Nevertheless, initial T cell homing to pancreatic islets was unimpaired. In sharp contrast to B cells, CD98-null T cells showed only modestly impaired Ag-driven proliferation and nearly normal homeostatic proliferation. Furthermore, these cells were activated by Ag, leading to cytokine production (CD4) and efficient cytolytic killing of targets (CD8). The integrin-binding domain of CD98 was necessary and sufficient for full clonal expansion, pointing to a role for adhesive signaling in T cell proliferation and autoimmune disease. When we expanded CD98-null T cells in vitro, they adoptively transferred diabetes, establishing that impaired clonal expansion was responsible for protection from disease. Thus, the integrin-binding domain of CD98 is required for Ag-driven T cell clonal expansion in the pathogenesis of an autoimmune disease and may represent a useful therapeutic target.
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Affiliation(s)
- Joseph Cantor
- Department of Medicine, University of California San Diego, La Jolla, CA 92093-0726, USA.
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Cantor J, Slepak M, Ege N, Chang J, Ginsberg M. Loss of T cell CD98hc specifically ablates T cell clonal expansion and protects from autoimmunity. (102.16). The Journal of Immunology 2011. [DOI: 10.4049/jimmunol.186.supp.102.16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Abstract
CD98hc (CD98 heavy chain, 4F2 antigen, Slc3a2) is a lymphocyte activation antigen with unclear function in T cells. Deletion of CD98hc in B cells leads to complete failure of B cell proliferation, plasma cell formation, and antibody secretion. Here we examined the role of T cell CD98 in protective and auto- immune responses by specifically deleting it in mouse T cells. Deletion of T cell CD98 prevented experimental autoimmune diabetes associated with reduced T cell clonal expansion. However, initial T cell homing to pancreatic islets was unimpaired. In contrast to B cells, CD98-null T cells showed only moderately impaired antigen-driven proliferation in vitro and nearly normal homeostatic proliferation. Furthermore, these cells were activated by antigen and produced cytokines (CD4) and efficiently killed targets (CD8). The integrin binding domain of CD98hc was necessary and sufficient for full clonal expansion, highlighting the role of adhesive signaling in T cell proliferation and autoimmune disease. When CD98-null T cells were pre-expanded in vitro, they adoptively transferred diabetes, establishing that impaired clonal expansion was responsible for protection from disease. The integrin binding domain of CD98hc is thus required for antigen-driven T cell clonal expansion in the pathogenesis of an autoimmune disease and may represent a useful therapeutic target.
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Affiliation(s)
- Joseph Cantor
- 1Medicine, University of California San Diego, La Jolla, CA
| | - Marina Slepak
- 1Medicine, University of California San Diego, La Jolla, CA
| | - Nil Ege
- 2École Normale Supérerieure, Département de Biologie, Paris, France
| | - John Chang
- 1Medicine, University of California San Diego, La Jolla, CA
| | - Mark Ginsberg
- 1Medicine, University of California San Diego, La Jolla, CA
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