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Nemoz-Billet L, Balland M, Gilquin L, Gillet B, Stévant I, Guillon E, Hughes S, Carpentier G, Vaganay E, Sohm F, Misiak V, Gonzalez-Melo MJ, Koch M, Ghavi-Helm Y, Bretaud S, Ruggiero F. Dual topologies of myotomal collagen XV and Tenascin C act in concert to guide and shape developing motor axons. Proc Natl Acad Sci U S A 2024; 121:e2314588121. [PMID: 38502691 PMCID: PMC10990108 DOI: 10.1073/pnas.2314588121] [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: 08/23/2023] [Accepted: 02/26/2024] [Indexed: 03/21/2024] Open
Abstract
During development, motor axons are guided toward muscle target by various extrinsic cues including extracellular matrix (ECM) proteins whose identities and cellular source remain poorly characterized. Here, using single-cell RNAseq of sorted GFP+ cells from smyhc1:gfp-injected zebrafish embryos, we unravel the slow muscle progenitors (SMP) pseudotemporal trajectory at the single-cell level and show that differentiating SMPs are a major source of ECM proteins. The SMP core-matrisome was characterized and computationally predicted to form a basement membrane-like structure tailored for motor axon guidance, including basement membrane-associated ECM proteins, as collagen XV-B, one of the earliest core-matrisome gene transcribed in differentiating SMPs and the glycoprotein Tenascin C. To investigate how contact-mediated guidance cues are organized along the motor path to exert their function in vivo, we used microscopy-based methods to analyze and quantify motor axon navigation in tnc and col15a1b knock-out fish. We show that motor axon shape and growth rely on the timely expression of the attractive cue Collagen XV-B that locally provides axons with a permissive soft microenvironment and separately organizes the repulsive cue Tenascin C into a unique functional dual topology. Importantly, bioprinted micropatterns that mimic this in vivo ECM topology were sufficient to drive directional motor axon growth. Our study offers evidence that not only the composition of ECM cues but their topology critically influences motor axon navigation in vertebrates with potential applications in regenerative medicine for peripheral nerve injury as regenerating nerves follow their original path.
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Affiliation(s)
- Laurie Nemoz-Billet
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Martial Balland
- LIPphy: Interdisciplinary Laboratory of Physics, Université Grenoble Alpes, CNRS, GrenobleF-38000, France
| | - Laurent Gilquin
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Benjamin Gillet
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Isabelle Stévant
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Emilie Guillon
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Sandrine Hughes
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Gilles Carpentier
- Gly-CRRET: Glycobiology, Cell Growth and Tissue Repair Research Unit, Laboratoire Gly-CRRET Faculté des Sciences et Technologie, Université Paris Est-Créteil-Val de Marne, Créteil Cedex94010, France
| | - Elisabeth Vaganay
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Frédéric Sohm
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Vladimir Misiak
- LIPphy: Interdisciplinary Laboratory of Physics, Université Grenoble Alpes, CNRS, GrenobleF-38000, France
| | - Mary-Julieth Gonzalez-Melo
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Manuel Koch
- Institute for Experimental Dental Research and Oral Musculoskeletal Biology, Center for Biochemistry, Medical Faculty, University of Cologne, Cologne50931, Germany
| | - Yad Ghavi-Helm
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Sandrine Bretaud
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
| | - Florence Ruggiero
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, UMR5242 CNRS, Université Claude Bernard-Lyon1, National Research Institute for Agriculture, Food and the Environment (INRAe) Unit under Contract (USC) 1370, Lyon69007, France
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Nguyen UN, Lee FS, Caparaso SM, Leoni JT, Redwine AL, Wachs RA. Type I collagen concentration affects neurite outgrowth of adult rat DRG explants by altering mechanical properties of hydrogels. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024; 35:164-189. [PMID: 37847579 DOI: 10.1080/09205063.2023.2272479] [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] [Received: 01/25/2023] [Accepted: 10/15/2023] [Indexed: 10/19/2023]
Abstract
Type I collagen is a predominant fibrous protein that makes up the extracellular matrix. Collagen enhances cell attachment and is commonly used in three-dimensional culture systems, to mimic the native extracellular environment, for primary sensory neurons such as dorsal root ganglia (DRG). However, the effects of collagen concentration on adult rat DRG neurite growth have not been assessed in a physiologically relevant, three-dimensional culture. This study focuses on the effects of type I collagen used in a methacrylated hyaluronic acid (MAHA)-laminin-collagen gel (triple gel) on primary adult rat DRG explants in vitro. DRGs were cultured in triple gels, and the neurite lengths and number of support cells were quantified. Increased collagen concentration significantly reduced neurite length but did not affect support cell counts. Mechanical properties, fiber diameter, diffusivity, and mesh size of the triple gels with varying collagen concentration were characterized to further understand the effects of type I collagen on hydrogel property that may affect adult rat DRG explants. Gel stiffness significantly increased as collagen concentration increased and is correlated to DRG neurite length. Collagen concentration also significantly impacted fiber diameter but there was no correlation with DRG neurite length. Increasing collagen concentration had no significant effect on mesh size and diffusivity of the hydrogel. These data suggest that increasing type I collagen minimizes adult rat DRG explant growth in vitro while raising gel stiffness. This knowledge can help develop more robust 3D culture platforms to study sensory neuron growth and design biomaterials for nerve regeneration applications.
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Affiliation(s)
- Uyen N Nguyen
- Department of Biological Systems Engineering, University of NE-Lincoln, Lincoln, NE, USA
| | - Fei San Lee
- Department of Biological Systems Engineering, University of NE-Lincoln, Lincoln, NE, USA
| | - Sydney M Caparaso
- Department of Biological Systems Engineering, University of NE-Lincoln, Lincoln, NE, USA
| | - Jack T Leoni
- Department of Biological Systems Engineering, University of NE-Lincoln, Lincoln, NE, USA
- Department of Biomedical Engineering, University of TN, Knoxville, TN, USA
| | - Adan L Redwine
- Department of Biological Systems Engineering, University of NE-Lincoln, Lincoln, NE, USA
| | - Rebecca A Wachs
- Department of Biological Systems Engineering, University of NE-Lincoln, Lincoln, NE, USA
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Schneider F, Metz I, Rust MB. Regulation of actin filament assembly and disassembly in growth cone motility and axon guidance. Brain Res Bull 2023; 192:21-35. [PMID: 36336143 DOI: 10.1016/j.brainresbull.2022.10.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022]
Abstract
Directed outgrowth of axons is fundamental for the establishment of neuronal networks. Axon outgrowth is guided by growth cones, highly motile structures enriched in filamentous actin (F-actin) located at the axons' distal tips. Growth cones exploit F-actin-based protrusions to scan the environment for guidance cues, and they contain the sensory apparatus to translate guidance cue information into intracellular signaling cascades. These cascades act upstream of actin-binding proteins (ABP) and thereby control assembly and disassembly of F-actin. Spatiotemporally controlled F-actin dis-/assembly in growth cones steers the axon towards attractants and away from repellents, and it thereby navigates the axon through the developing nervous system. Hence, ABP that control F-actin dynamics emerged as critical regulators of neuronal network formation. In the present review article, we will summarize and discuss current knowledge of the mechanisms that control remodeling of the actin cytoskeleton in growth cones, focusing on recent progress in the field. Further, we will introduce tools and techniques that allow to study actin regulatory mechanism in growth cones.
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Affiliation(s)
- Felix Schneider
- Molecular Neurobiology Group, Institute of Physiological Chemistry, Philipps-University of Marburg, 35032 Marburg, Germany; DFG Research Training Group 'Membrane Plasticity in Tissue Development and Remodeling', GRK 2213, Philipps-University of Marburg, 35032 Marburg, Germany; Molecular Urooncology, Department of Urology, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | - Isabell Metz
- Molecular Neurobiology Group, Institute of Physiological Chemistry, Philipps-University of Marburg, 35032 Marburg, Germany; DFG Research Training Group 'Membrane Plasticity in Tissue Development and Remodeling', GRK 2213, Philipps-University of Marburg, 35032 Marburg, Germany
| | - Marco B Rust
- Molecular Neurobiology Group, Institute of Physiological Chemistry, Philipps-University of Marburg, 35032 Marburg, Germany; DFG Research Training Group 'Membrane Plasticity in Tissue Development and Remodeling', GRK 2213, Philipps-University of Marburg, 35032 Marburg, Germany; Center for Mind, Brain and Behavior (CMBB), University of Marburg and Justus-Liebig-University Giessen, 35032 Marburg, Germany.
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