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Ledoux B, Zanin N, Yang J, Mercier V, Coster C, Dupont-Gillain C, Alsteens D, Morsomme P, Renard HF. Plasma membrane nanodeformations promote actin polymerization through CIP4/CDC42 recruitment and regulate type II IFN signaling. SCIENCE ADVANCES 2023; 9:eade1660. [PMID: 38091386 PMCID: PMC10848735 DOI: 10.1126/sciadv.ade1660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 11/10/2023] [Indexed: 12/18/2023]
Abstract
In their environment, cells must cope with mechanical stresses constantly. Among these, nanoscale deformations of plasma membrane induced by substrate nanotopography are now largely accepted as a biophysical stimulus influencing cell behavior and function. However, the mechanotransduction cascades involved and their precise molecular effects on cellular physiology are still poorly understood. Here, using homemade fluorescent nanostructured cell culture surfaces, we explored the role of Bin/Amphiphysin/Rvs (BAR) domain proteins as mechanosensors of plasma membrane geometry. Our data reveal that distinct subsets of BAR proteins bind to plasma membrane deformations in a membrane curvature radius-dependent manner. Furthermore, we show that membrane curvature promotes the formation of dynamic actin structures mediated by the Rho GTPase CDC42, the F-BAR protein CIP4, and the presence of PI(4,5)P2. In addition, these actin-enriched nanodomains can serve as platforms to regulate receptor signaling as they appear to contain interferon-γ receptor (IFNγ-R) and to lead to the partial inhibition of IFNγ-induced JAK/STAT signaling.
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Affiliation(s)
- Benjamin Ledoux
- UCLouvain, Louvain Institute of Biomolecular Science and Technology, Group of Molecular Physiology, Croix du Sud 4-5 bte L7.07.14, Louvain-la-Neuve 1348, Belgium
- UCLouvain, Louvain Institute of Biomolecular Science and Technology, NanoBiophysics lab, Croix du Sud 4-5 bte L7.07.07, Louvain-la-Neuve 1348, Belgium
- UNamur, Morph-Im platform, Rue de Bruxelles 61, Namur 5000, Belgium
| | - Natacha Zanin
- UNamur, NAmur Research Institute for LIfe Sciences, Unité de Recherche en Biologie Cellulaire animale, Rue de Bruxelles 61, Namur 5000, Belgium
| | - Jinsung Yang
- Gyeongsang National University, Department of Biochemistry, College of Medicine, Department of Convergence Medical Sciences, Institute of Medical Science, Jinju 52727, South Korea
| | - Vincent Mercier
- Department of Biochemistry, University of Geneva, Geneva, Switzerland
| | - Charlotte Coster
- UCLouvain, Louvain Institute of Biomolecular Science and Technology, Group of Molecular Physiology, Croix du Sud 4-5 bte L7.07.14, Louvain-la-Neuve 1348, Belgium
| | - Christine Dupont-Gillain
- UCLouvain, Institute of Condensed Matter and Nanosciences, Bio- and Soft Matter, Place Louis Pasteur 1 bte L4.01.10, Louvain-la-Neuve 1348, Belgium
| | - David Alsteens
- UCLouvain, Louvain Institute of Biomolecular Science and Technology, NanoBiophysics lab, Croix du Sud 4-5 bte L7.07.07, Louvain-la-Neuve 1348, Belgium
| | - Pierre Morsomme
- UCLouvain, Louvain Institute of Biomolecular Science and Technology, Group of Molecular Physiology, Croix du Sud 4-5 bte L7.07.14, Louvain-la-Neuve 1348, Belgium
| | - Henri-François Renard
- UNamur, Morph-Im platform, Rue de Bruxelles 61, Namur 5000, Belgium
- UNamur, NAmur Research Institute for LIfe Sciences, Unité de Recherche en Biologie Cellulaire animale, Rue de Bruxelles 61, Namur 5000, Belgium
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2
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Crozet F, Levayer R. Emerging roles and mechanisms of ERK pathway mechanosensing. Cell Mol Life Sci 2023; 80:355. [PMID: 37947896 PMCID: PMC10638131 DOI: 10.1007/s00018-023-05007-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/11/2023] [Accepted: 10/16/2023] [Indexed: 11/12/2023]
Abstract
The coupling between mechanical forces and modulation of cell signalling pathways is essential for tissue plasticity and their adaptation to changing environments. Whilst the number of physiological and pathological relevant roles of mechanotransduction has been rapidly expanding over the last decade, studies have been mostly focussing on a limited number of mechanosensitive pathways, which include for instance Hippo/YAP/TAZ pathway, Wnt/β-catenin or the stretch-activated channel Piezo. However, the recent development and spreading of new live sensors has provided new insights into the contribution of ERK pathway in mechanosensing in various systems, which emerges now as a fast and modular mechanosensitive pathway. In this review, we will document key in vivo and in vitro examples that have established a clear link between cell deformation, mechanical stress and modulation of ERK signalling, comparing the relevant timescale and mechanical stress. We will then discuss different molecular mechanisms that have been proposed so far, focussing on the epistatic link between mechanics and ERK and discussing the relevant cellular parameters affecting ERK signalling. We will finish by discussing the physiological and the pathological consequences of the link between ERK and mechanics, outlining how this interplay is instrumental for self-organisation and long-range cell-cell coordination.
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Affiliation(s)
- Flora Crozet
- Department of Developmental and Stem Cell Biology, Institut Pasteur, Université de Paris Cité, CNRS UMR 3738, 25 Rue du Dr. Roux, 75015, Paris, France
| | - Romain Levayer
- Department of Developmental and Stem Cell Biology, Institut Pasteur, Université de Paris Cité, CNRS UMR 3738, 25 Rue du Dr. Roux, 75015, Paris, France.
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Schmitter C, Di-Luoffo M, Guillermet-Guibert J. Transducing compressive forces into cellular outputs in cancer and beyond. Life Sci Alliance 2023; 6:e202201862. [PMID: 37364915 PMCID: PMC10292664 DOI: 10.26508/lsa.202201862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 06/13/2023] [Accepted: 06/13/2023] [Indexed: 06/28/2023] Open
Abstract
In living organisms, cells sense mechanical forces (shearing, tensile, and compressive) and respond to those physical cues through a process called mechanotransduction. This process includes the simultaneous activation of biochemical signaling pathways. Recent studies mostly on human cells revealed that compressive forces selectively modulate a wide range of cell behavior, both in compressed and in neighboring less compressed cells. Besides participating in tissue homeostasis such as bone healing, compression is also involved in pathologies, including intervertebral disc degeneration or solid cancers. In this review, we will summarize the current scattered knowledge of compression-induced cell signaling pathways and their subsequent cellular outputs, both in physiological and pathological conditions, such as solid cancers.
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Affiliation(s)
- Céline Schmitter
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse-III Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Labex Toucan, Toulouse, France
- Master de Biologie, Ecole Normale Supérieure de Lyon, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France
| | - Mickaël Di-Luoffo
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse-III Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Labex Toucan, Toulouse, France
| | - Julie Guillermet-Guibert
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse-III Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Labex Toucan, Toulouse, France
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Bruna-Gauchoux J, Montagnac G. Constraints and frustration in the clathrin-dependent endocytosis pathway. C R Biol 2022; 345:43-56. [PMID: 36847464 DOI: 10.5802/crbiol.88] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 09/05/2022] [Indexed: 11/24/2022]
Abstract
Clathrin-dependent endocytosis is the major pathway for the entry of most surface receptors and their ligands. It is controlled by clathrin-coated structures that are endowed with the ability to cluster receptors and locally bend the plasma membrane, leading to the formation of receptor-containing vesicles budding into the cytoplasm. This canonical role of clathrin-coated structures has been repeatedly demonstrated to play a fundamental role in a wide range of aspects of cell physiology. However, it is now clearly established that the ability of clathrin-coated structures to bend the membrane can be disrupted. In addition to chemical or genetic alterations, many environmental conditions can physically prevent or slow membrane deformation and/or budding of clathrin-coated structures. The resulting frustrated endocytosis is not only a passive consequence but serves very specific and important cellular functions. Here we provide a historical perspective as well as a definition of frustrated endocytosis in the clathrin pathway before describing its causes and many functional consequences.
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Park J, Jia S, Salter D, Bagnaninchi P, Hansen CG. The Hippo pathway drives the cellular response to hydrostatic pressure. EMBO J 2022; 41:e108719. [PMID: 35702882 PMCID: PMC9251841 DOI: 10.15252/embj.2021108719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 04/13/2022] [Accepted: 05/16/2022] [Indexed: 11/24/2022] Open
Abstract
Cells need to rapidly and precisely react to multiple mechanical and chemical stimuli in order to ensure precise context-dependent responses. This requires dynamic cellular signalling events that ensure homeostasis and plasticity when needed. A less well-understood process is cellular response to elevated interstitial fluid pressure, where the cell senses and responds to changes in extracellular hydrostatic pressure. Here, using quantitative label-free digital holographic imaging, combined with genome editing, biochemical assays and confocal imaging, we analyse the temporal cellular response to hydrostatic pressure. Upon elevated cyclic hydrostatic pressure, the cell responds by rapid, dramatic and reversible changes in cellular volume. We show that YAP and TAZ, the co-transcriptional regulators of the Hippo signalling pathway, control cell volume and that cells without YAP and TAZ have lower plasma membrane tension. We present direct evidence that YAP/TAZ drive the cellular response to hydrostatic pressure, a process that is at least partly mediated via clathrin-dependent endocytosis. Additionally, upon elevated oscillating hydrostatic pressure, YAP/TAZ are activated and induce TEAD-mediated transcription and expression of cellular components involved in dynamic regulation of cell volume and extracellular matrix. This cellular response confers a feedback loop that allows the cell to robustly respond to changes in interstitial fluid pressure.
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Affiliation(s)
- Jiwon Park
- Centre for Inflammation ResearchInstitute for Regeneration and Repair, Edinburgh bioQuarterThe University of EdinburghEdinburghUK
- Centre for Regenerative MedicineInstitute for Regeneration and Repair, Edinburgh bioQuarterThe University of EdinburghEdinburghUK
| | - Siyang Jia
- Centre for Inflammation ResearchInstitute for Regeneration and Repair, Edinburgh bioQuarterThe University of EdinburghEdinburghUK
- Centre for Regenerative MedicineInstitute for Regeneration and Repair, Edinburgh bioQuarterThe University of EdinburghEdinburghUK
| | - Donald Salter
- Centre for Genomic & Experimental MedicineMRC Institute of Genetics & Molecular MedicineThe University of Edinburgh, Western General HospitalEdinburghUK
| | - Pierre Bagnaninchi
- Centre for Regenerative MedicineInstitute for Regeneration and Repair, Edinburgh bioQuarterThe University of EdinburghEdinburghUK
| | - Carsten G Hansen
- Centre for Inflammation ResearchInstitute for Regeneration and Repair, Edinburgh bioQuarterThe University of EdinburghEdinburghUK
- Centre for Regenerative MedicineInstitute for Regeneration and Repair, Edinburgh bioQuarterThe University of EdinburghEdinburghUK
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Graceffa V. Physical and mechanical cues affecting biomaterial-mediated plasmid DNA delivery: insights into non-viral delivery systems. J Genet Eng Biotechnol 2021; 19:90. [PMID: 34142237 PMCID: PMC8211807 DOI: 10.1186/s43141-021-00194-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/09/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Whilst traditional strategies to increase transfection efficiency of non-viral systems aimed at modifying the vector or the polyplexes/lipoplexes, biomaterial-mediated gene delivery has recently sparked increased interest. This review aims at discussing biomaterial properties and unravelling underlying mechanisms of action, for biomaterial-mediated gene delivery. DNA internalisation and cytoplasmic transport are initially discussed. DNA immobilisation, encapsulation and surface-mediated gene delivery (SMD), the role of extracellular matrix (ECM) and topographical cues, biomaterial stiffness and mechanical stimulation are finally outlined. MAIN TEXT Endocytic pathways and mechanisms to escape the lysosomal network are highly variable. They depend on cell and DNA complex types but can be diverted using appropriate biomaterials. 3D scaffolds are generally fabricated via DNA immobilisation or encapsulation. Degradation rate and interaction with the vector affect temporal patterns of DNA release and transgene expression. In SMD, DNA is instead coated on 2D surfaces. SMD allows the incorporation of topographical cues, which, by inducing cytoskeletal re-arrangements, modulate DNA endocytosis. Incorporation of ECM mimetics allows cell type-specific transfection, whereas in spite of discordances in terms of optimal loading regimens, it is recognised that mechanical loading facilitates gene transfection. Finally, stiffer 2D substrates enhance DNA internalisation, whereas in 3D scaffolds, the role of stiffness is still dubious. CONCLUSION Although it is recognised that biomaterials allow the creation of tailored non-viral gene delivery systems, there still are many outstanding questions. A better characterisation of endocytic pathways would allow the diversion of cell adhesion processes and cytoskeletal dynamics, in order to increase cellular transfection. Further research on optimal biomaterial mechanical properties, cell ligand density and loading regimens is limited by the fact that such parameters influence a plethora of other different processes (e.g. cellular adhesion, spreading, migration, infiltration, and proliferation, DNA diffusion and release) which may in turn modulate gene delivery. Only a better understanding of these processes may allow the creation of novel robust engineered systems, potentially opening up a whole new area of biomaterial-guided gene delivery for non-viral systems.
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Affiliation(s)
- Valeria Graceffa
- Cellular Health and Toxicology Research Group (CHAT), Institute of Technology Sligo, Ash Ln, Bellanode, Sligo, Ireland.
- Department of Life Sciences, Institute of Technology Sligo, Ash Ln, Bellanode, Sligo, Ireland.
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Phuyal S, Baschieri F. Endomembranes: Unsung Heroes of Mechanobiology? Front Bioeng Biotechnol 2020; 8:597721. [PMID: 33195167 PMCID: PMC7642594 DOI: 10.3389/fbioe.2020.597721] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 10/05/2020] [Indexed: 12/18/2022] Open
Abstract
Mechanical stimuli have profound effects on the cellular architecture and functions. Over the past two decades, considerable progress has been made in unraveling the molecular machineries that confer cells the ability to sense and transduce mechanical input into biochemical signals. This has resulted in the identification of several force-sensing proteins or mechanically activated ion channels distributed throughout most cell types, whereby the plasma membrane, cytoskeleton, and the nucleus have garnered much attention. Although organelles from the endomembrane system make up significant portion of cell volume and play pivotal roles in the spatiotemporal distribution of signaling molecules, they have received surprisingly little attention in mechanobiology. In this mini-review, we summarize results that document participation of the endomembrane system in sensing and responding to mechanical cues.
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Affiliation(s)
- Santosh Phuyal
- Department of Molecular Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Francesco Baschieri
- Inserm U1279, Gustave Roussy Institute, Université Paris-Saclay, Villejuif, France
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First person – Francesco Baschieri. J Cell Sci 2020. [DOI: 10.1242/jcs.253054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
ABSTRACT
First Person is a series of interviews with the first authors of a selection of papers published in Journal of Cell Science, helping early-career researchers promote themselves alongside their papers. Francesco Baschieri is joint first author on ‘Frustration of endocytosis potentiates compression-induced receptor signaling’, published in JCS. Francesco is a postdoc in the lab of Guillaume Montagnac at the Institute Gustave Roussy, Villejuif, France, where he is investigating how cells interpret and respond to physical forces.
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