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Theret M, Chazaud B. Skeletal muscle niche, at the crossroad of cell/cell communications. Curr Top Dev Biol 2024; 158:203-220. [PMID: 38670706 DOI: 10.1016/bs.ctdb.2024.01.012] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2024]
Abstract
Skeletal muscle is composed of a variety of tissue and non-tissue resident cells that participate in homeostasis. In particular, the muscle stem cell niche is a dynamic system, requiring direct and indirect communications between cells, involving local and remote cues. Interactions within the niche must happen in a timely manner for the maintenance or recovery of the homeostatic niche. For instance, after an injury, pro-myogenic cues delivered too early will impact on muscle stem cell proliferation, delaying the repair process. Within the niche, myofibers, endothelial cells, perivascular cells (pericytes, smooth muscle cells), fibro-adipogenic progenitors, fibroblasts, and immune cells are in close proximity with each other. Each cell behavior, membrane profile, and secretome can interfere with muscle stem cell fate and skeletal muscle regeneration. On top of that, the muscle stem cell niche can also be modified by extra-muscle (remote) cues, as other tissues may act on muscle regeneration via the production of circulating factors or the delivery of cells. In this review, we highlight recent publications evidencing both local and remote effectors of the muscle stem cell niche.
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Affiliation(s)
- Marine Theret
- School of Biomedical Engineering and Department of Medical Genetics University of British Columbia, Vancouver, BC, Canada
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, Inserm U1315, CNRS UMR 5261, Lyon, France.
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2
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Bernard C, Jomard C, Chazaud B, Gondin J. Kinetics of skeletal muscle regeneration after mild and severe muscle damage induced by electrically-evoked lengthening contractions. FASEB J 2023; 37:e23107. [PMID: 37534948 DOI: 10.1096/fj.202201708rr] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 07/05/2023] [Accepted: 07/07/2023] [Indexed: 08/04/2023]
Abstract
Post-injury skeletal muscle regeneration requires interactions between myogenic and non-myogenic cells. Our knowledge on the regeneration process is mainly based on models using toxic, chemical, or physical (e.g., based on either muscle freezing or crushing) injury. Strikingly, the time course and magnitude of changes in the number of cells involved in muscle regeneration have been poorly described in relation to mild and severe muscle damage induced by electrically-evoked lengthening contractions. We investigated for the first time the kinetics and magnitude of changes in mononuclear cells in relation to the extent of muscle damage. Mild and severe injury were induced in vivo in the mouse gastrocnemius muscle by 1 and 30 electrically-evoked lengthening contractions, respectively. Several days after muscle damage, functional analysis of maximal torque production and histological investigations were performed to assess the related cellular changes. Torque recovery was faster after mild injury than after severe muscle damage. More necrotic and regenerating myofibers were observed after severe muscle damage as compared with mild injury, illustrating an association between functional and histological alterations. The kinetics of changes in muscle stem cells (total, proliferating, and differentiating), endothelial cells, fibro-adipogenic progenitors (FAPs), and macrophages in the regenerating muscle was similar in mild and severe models. However, the magnitude of changes in the number of differentiating muscle stem cells, hematopoietic cells, among which macrophages, and FAPs was higher in severe muscle damage. Collectively, our results show that the amount of myogenic and non-myogenic cells varies according to the extent of skeletal muscle injury to ensure efficient skeletal muscle regeneration while the kinetics of changes is independent of muscle tissue alterations. The possibility to experimentally modulate the extent of muscle damage will be useful to further investigate the cellular and molecular events involved in muscle regeneration.
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Affiliation(s)
- Clara Bernard
- Faculté de Médecine et de Pharmacie, Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, CNRS UMR 5261, Inserm U1315, Univ Lyon, Lyon, France
| | - Charline Jomard
- Faculté de Médecine et de Pharmacie, Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, CNRS UMR 5261, Inserm U1315, Univ Lyon, Lyon, France
| | - Bénédicte Chazaud
- Faculté de Médecine et de Pharmacie, Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, CNRS UMR 5261, Inserm U1315, Univ Lyon, Lyon, France
| | - Julien Gondin
- Faculté de Médecine et de Pharmacie, Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, CNRS UMR 5261, Inserm U1315, Univ Lyon, Lyon, France
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Mázala DAG, Hindupur R, Moon YJ, Shaikh F, Gamu IH, Alladi D, Panci G, Weiss-Gayet M, Chazaud B, Partridge TA, Novak JS, Jaiswal JK. Altered muscle niche contributes to myogenic deficit in the D2-mdx model of severe DMD. Cell Death Discov 2023; 9:224. [PMID: 37402716 PMCID: PMC10319851 DOI: 10.1038/s41420-023-01503-0] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 06/06/2023] [Accepted: 06/19/2023] [Indexed: 07/06/2023] Open
Abstract
Lack of dystrophin expression is the underlying genetic basis for Duchenne muscular dystrophy (DMD). However, disease severity varies between patients, based on specific genetic modifiers. D2-mdx is a model for severe DMD that exhibits exacerbated muscle degeneration and failure to regenerate even in the juvenile stage of the disease. We show that poor regeneration of juvenile D2-mdx muscles is associated with an enhanced inflammatory response to muscle damage that fails to resolve efficiently and supports the excessive accumulation of fibroadipogenic progenitors (FAPs), leading to increased fibrosis. Unexpectedly, the extent of damage and degeneration in juvenile D2-mdx muscle is significantly reduced in adults, and is associated with the restoration of the inflammatory and FAP responses to muscle injury. These improvements enhance regenerative myogenesis in the adult D2-mdx muscle, reaching levels comparable to the milder B10-mdx model of DMD. Ex vivo co-culture of healthy satellite cells (SCs) with juvenile D2-mdx FAPs reduces their fusion efficacy. Wild-type juvenile D2 mice also manifest regenerative myogenic deficit and glucocorticoid treatment improves their muscle regeneration. Our findings indicate that aberrant stromal cell responses contribute to poor regenerative myogenesis and greater muscle degeneration in juvenile D2-mdx muscles and reversal of this reduces pathology in adult D2-mdx muscle, identifying these responses as a potential therapeutic target for the treatment of DMD.
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Affiliation(s)
- Davi A G Mázala
- Center for Genetic Medicine Research, Children's National Research Institute, Children's National Hospital, Washington, DC, 20012, USA
- Department of Kinesiology, College of Health Professions, Towson University, Towson, MD, 21252, USA
| | - Ravi Hindupur
- Center for Genetic Medicine Research, Children's National Research Institute, Children's National Hospital, Washington, DC, 20012, USA
| | - Young Jae Moon
- Center for Genetic Medicine Research, Children's National Research Institute, Children's National Hospital, Washington, DC, 20012, USA
- Department of Biochemistry and Orthopaedic Surgery, Jeonbuk National University Medical School and Hospital, Jeonju, 54907, Republic of Korea
| | - Fatima Shaikh
- Center for Genetic Medicine Research, Children's National Research Institute, Children's National Hospital, Washington, DC, 20012, USA
| | - Iteoluwakishi H Gamu
- Center for Genetic Medicine Research, Children's National Research Institute, Children's National Hospital, Washington, DC, 20012, USA
| | - Dhruv Alladi
- Center for Genetic Medicine Research, Children's National Research Institute, Children's National Hospital, Washington, DC, 20012, USA
| | - Georgiana Panci
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, INSERM U1513, CNRS UMR 5261, Université Claude Bernard Lyon 1, Univ Lyon, Lyon, France
| | - Michèle Weiss-Gayet
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, INSERM U1513, CNRS UMR 5261, Université Claude Bernard Lyon 1, Univ Lyon, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, INSERM U1513, CNRS UMR 5261, Université Claude Bernard Lyon 1, Univ Lyon, Lyon, France
| | - Terence A Partridge
- Center for Genetic Medicine Research, Children's National Research Institute, Children's National Hospital, Washington, DC, 20012, USA
- Departments of Pediatrics and Genomics and Precision Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, 20052, USA
| | - James S Novak
- Center for Genetic Medicine Research, Children's National Research Institute, Children's National Hospital, Washington, DC, 20012, USA.
- Departments of Pediatrics and Genomics and Precision Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, 20052, USA.
| | - Jyoti K Jaiswal
- Center for Genetic Medicine Research, Children's National Research Institute, Children's National Hospital, Washington, DC, 20012, USA.
- Departments of Pediatrics and Genomics and Precision Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, 20052, USA.
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Mázala DAG, Hindupur R, Moon YJ, Shaikh F, Gamu IH, Alladi D, Panci G, Weiss-Gayet M, Chazaud B, Partridge TA, Novak JS, Jaiswal JK. Altered muscle niche contributes to myogenic deficit in the D2- mdx model of severe DMD. bioRxiv 2023:2023.03.27.534413. [PMID: 37034785 PMCID: PMC10081277 DOI: 10.1101/2023.03.27.534413] [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] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Lack of dystrophin is the genetic basis for the Duchenne muscular dystrophy (DMD). However, disease severity varies between patients, based on specific genetic modifiers. D2- mdx is a model for severe DMD that exhibits exacerbated muscle degeneration and failure to regenerate even in the juvenile stage of the disease. We show that poor regeneration of juvenile D2- mdx muscles is associated with enhanced inflammatory response to muscle damage that fails to resolve efficiently and supports excessive accumulation of fibroadipogenic progenitors (FAPs). Unexpectedly, the extent of damage and degeneration of juvenile D2- mdx muscle is reduced in adults and is associated with the restoration of the inflammatory and FAP responses to muscle injury. These improvements enhance myogenesis in the adult D2- mdx muscle, reaching levels comparable to the milder (B10- mdx ) mouse model of DMD. Ex vivo co-culture of healthy satellite cells (SCs) with the juvenile D2- mdx FAPs reduced their fusion efficacy and in vivo glucocorticoid treatment of juvenile D2 mouse improved muscle regeneration. Our findings indicate that aberrant stromal cell response contributes to poor myogenesis and greater muscle degeneration in dystrophic juvenile D2- mdx muscles and reversal of this reduces pathology in adult D2- mdx mouse muscle, identifying these as therapeutic targets to treat dystrophic DMD muscles.
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Affiliation(s)
- Davi A. G. Mázala
- Center for Genetic Medicine Research, Children’s National Research Institute, Children’s National Research and Innovation Campus, Children’s National Hospital, Washington, D.C., 20012, USA
- Department of Kinesiology, College of Health Professions, Towson University, Towson, MD, 21252, USA
| | - Ravi Hindupur
- Center for Genetic Medicine Research, Children’s National Research Institute, Children’s National Research and Innovation Campus, Children’s National Hospital, Washington, D.C., 20012, USA
| | - Young Jae Moon
- Center for Genetic Medicine Research, Children’s National Research Institute, Children’s National Research and Innovation Campus, Children’s National Hospital, Washington, D.C., 20012, USA
- Department of Biochemistry and Orthopaedic Surgery, Jeonbuk National University Medical School and Hospital, Jeonju, 54907, Republic of Korea
| | - Fatima Shaikh
- Center for Genetic Medicine Research, Children’s National Research Institute, Children’s National Research and Innovation Campus, Children’s National Hospital, Washington, D.C., 20012, USA
| | - Iteoluwakishi H. Gamu
- Center for Genetic Medicine Research, Children’s National Research Institute, Children’s National Research and Innovation Campus, Children’s National Hospital, Washington, D.C., 20012, USA
| | - Dhruv Alladi
- Center for Genetic Medicine Research, Children’s National Research Institute, Children’s National Research and Innovation Campus, Children’s National Hospital, Washington, D.C., 20012, USA
| | - Georgiana Panci
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, INSERM U1513, CNRS UMR 5261, Université Claude Bernard Lyon 1, Univ Lyon, Lyon, France
| | - Michèle Weiss-Gayet
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, INSERM U1513, CNRS UMR 5261, Université Claude Bernard Lyon 1, Univ Lyon, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, INSERM U1513, CNRS UMR 5261, Université Claude Bernard Lyon 1, Univ Lyon, Lyon, France
| | - Terence A. Partridge
- Center for Genetic Medicine Research, Children’s National Research Institute, Children’s National Research and Innovation Campus, Children’s National Hospital, Washington, D.C., 20012, USA
- Departments of Pediatrics and Genomics and Precision Medicine, The George Washington University School of Medicine and Health Sciences, Washington, D.C., 20052, USA
| | - James S. Novak
- Center for Genetic Medicine Research, Children’s National Research Institute, Children’s National Research and Innovation Campus, Children’s National Hospital, Washington, D.C., 20012, USA
- Departments of Pediatrics and Genomics and Precision Medicine, The George Washington University School of Medicine and Health Sciences, Washington, D.C., 20052, USA
| | - Jyoti K. Jaiswal
- Center for Genetic Medicine Research, Children’s National Research Institute, Children’s National Research and Innovation Campus, Children’s National Hospital, Washington, D.C., 20012, USA
- Departments of Pediatrics and Genomics and Precision Medicine, The George Washington University School of Medicine and Health Sciences, Washington, D.C., 20052, USA
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5
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Caratti G, Desgeorges T, Juban G, Stifel U, Fessard A, Koenen M, Caratti B, Théret M, Skurk C, Chazaud B, Tuckermann JP, Mounier R. Macrophagic AMPKα1 orchestrates regenerative inflammation induced by glucocorticoids. EMBO Rep 2023; 24:e55363. [PMID: 36520372 PMCID: PMC9900347 DOI: 10.15252/embr.202255363] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [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: 05/06/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 12/23/2022] Open
Abstract
Macrophages are key cells after tissue damage since they mediate both acute inflammatory phase and regenerative inflammation by shifting from pro-inflammatory to restorative cells. Glucocorticoids (GCs) are the most potent anti-inflammatory hormone in clinical use, still their actions on macrophages are not fully understood. We show that the metabolic sensor AMP-activated protein kinase (AMPK) is required for GCs to induce restorative macrophages. GC Dexamethasone activates AMPK in macrophages and GC receptor (GR) phosphorylation is decreased in AMPK-deficient macrophages. Loss of AMPK in macrophages abrogates the GC-induced acquisition of their repair phenotype and impairs GC-induced resolution of inflammation in vivo during post-injury muscle regeneration and acute lung injury. Mechanistically, two categories of genes are impacted by GC treatment in macrophages. Firstly, canonical cytokine regulation by GCs is not affected by AMPK loss. Secondly, AMPK-dependent GC-induced genes required for the phenotypic transition of macrophages are co-regulated by the transcription factor FOXO3, an AMPK substrate. Thus, beyond cytokine regulation, GR requires AMPK-FOXO3 for immunomodulatory actions in macrophages, linking their metabolic status to transcriptional control in regenerative inflammation.
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Affiliation(s)
- Giorgio Caratti
- Institute of Comparative Molecular EndocrinologyUniversität UlmUlmGermany
| | - Thibaut Desgeorges
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217Université de LyonLyonFrance
| | - Gaëtan Juban
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217Université de LyonLyonFrance
| | - Ulrich Stifel
- Institute of Comparative Molecular EndocrinologyUniversität UlmUlmGermany
| | - Aurélie Fessard
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217Université de LyonLyonFrance
| | - Mascha Koenen
- Institute of Comparative Molecular EndocrinologyUniversität UlmUlmGermany
- Present address:
Laboratory of Molecular MetabolismThe Rockefeller UniversityNew YorkNYUSA
| | - Bozhena Caratti
- Institute of Comparative Molecular EndocrinologyUniversität UlmUlmGermany
| | - Marine Théret
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217Université de LyonLyonFrance
- Present address:
Department of Medical GeneticsSchool of Biomedical Engineering and the Biomedical Research CentreVancouverBCCanada
| | - Carsten Skurk
- Department of CardiologyCharité Universitätsmedizin BerlinBerlinGermany
- Franklin/German Centre for Cardiovascular Research (DZHK), Partner Site Berlin/Institute of Health (BIH)BerlinGermany
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217Université de LyonLyonFrance
| | - Jan P Tuckermann
- Institute of Comparative Molecular EndocrinologyUniversität UlmUlmGermany
| | - Rémi Mounier
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217Université de LyonLyonFrance
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6
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Panci G, E M Kneppers A, Mounier R, Chazaud B, Juban G. Co-cultures of Macrophages with Muscle Stem Cells with Fibroadipogenic Precursor Cells from Regenerating Skeletal Muscle. Methods Mol Biol 2023; 2640:57-71. [PMID: 36995587 DOI: 10.1007/978-1-0716-3036-5_5] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
Adult muscle stem cells rebuild myofibers after damage. Although they are highly powerful to implement the adult myogenic program, they need environmental cues provided by surrounding cells for efficient and complete regeneration. Muscle stem cell environment includes fibroadipogenic precursors, vascular cells, and macrophages. A way to decipher the complexity of the interactions muscle stem cells establish with their neighborhood is to co-culture cells freshly isolated from the muscle and assess the impact of one cell type on the behavior/fate of the other cell type. Here, we present a protocol allowing the isolation of primary muscle stem cells, macrophages, and fibroadipogenic precursors by Fluorescence Activated Cell Sorting (FACS) or Magnetic Cell Separation (MACS), together with co-culture methods using a specific setup for a short time window to keep as much as possible the in vivo properties of the isolated cells.
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Affiliation(s)
- Georgiana Panci
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, CNRS, UMR5261, INSERM U1315, Université Claude Bernard Lyon 1, Lyon, France
| | - Anita E M Kneppers
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, CNRS, UMR5261, INSERM U1315, Université Claude Bernard Lyon 1, Lyon, France
| | - Rémi Mounier
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, CNRS, UMR5261, INSERM U1315, Université Claude Bernard Lyon 1, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, CNRS, UMR5261, INSERM U1315, Université Claude Bernard Lyon 1, Lyon, France.
| | - Gaëtan Juban
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, CNRS, UMR5261, INSERM U1315, Université Claude Bernard Lyon 1, Lyon, France
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7
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Bernard C, Zavoriti A, Pucelle Q, Chazaud B, Gondin J. Role of macrophages during skeletal muscle regeneration and hypertrophy-Implications for immunomodulatory strategies. Physiol Rep 2022; 10:e15480. [PMID: 36200266 PMCID: PMC9535344 DOI: 10.14814/phy2.15480] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 09/12/2022] [Indexed: 06/16/2023] Open
Abstract
Skeletal muscle is a plastic tissue that regenerates ad integrum after injury and adapts to raise mechanical loading/contractile activity by increasing its mass and/or myofiber size, a phenomenon commonly refers to as skeletal muscle hypertrophy. Both muscle regeneration and hypertrophy rely on the interactions between muscle stem cells and their neighborhood, which include inflammatory cells, and particularly macrophages. This review first summarizes the role of macrophages in muscle regeneration in various animal models of injury and in response to exercise-induced muscle damage in humans. Then, the potential contribution of macrophages to skeletal muscle hypertrophy is discussed on the basis of both animal and human experiments. We also present a brief comparative analysis of the role of macrophages during muscle regeneration versus hypertrophy. Finally, we summarize the current knowledge on the impact of different immunomodulatory strategies, such as heat therapy, cooling, massage, nonsteroidal anti-inflammatory drugs and resolvins, on skeletal muscle regeneration and their potential impact on muscle hypertrophy.
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Affiliation(s)
- Clara Bernard
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du MuscleUniversité Claude Bernard Lyon 1, CNRS UMR 5261, INSERM U1315, Université LyonLyonFrance
| | - Aliki Zavoriti
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du MuscleUniversité Claude Bernard Lyon 1, CNRS UMR 5261, INSERM U1315, Université LyonLyonFrance
| | - Quentin Pucelle
- Université de Versailles Saint‐Quentin‐En‐YvelinesVersaillesFrance
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du MuscleUniversité Claude Bernard Lyon 1, CNRS UMR 5261, INSERM U1315, Université LyonLyonFrance
| | - Julien Gondin
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du MuscleUniversité Claude Bernard Lyon 1, CNRS UMR 5261, INSERM U1315, Université LyonLyonFrance
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8
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Nakka K, Hachmer S, Mokhtari Z, Kovac R, Bandukwala H, Bernard C, Li Y, Xie G, Liu C, Fallahi M, Megeney LA, Gondin J, Chazaud B, Brand M, Zha X, Ge K, Dilworth FJ. JMJD3 activated hyaluronan synthesis drives muscle regeneration in an inflammatory environment. Science 2022; 377:666-669. [PMID: 35926054 DOI: 10.1126/science.abm9735] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Muscle stem cells (MuSCs) reside in a specialized niche that ensures their regenerative capacity. Although we know that innate immune cells infiltrate the niche in response to injury, it remains unclear how MuSCs adapt to this altered environment for initiating repair. Here, we demonstrate that inflammatory cytokine signaling from the regenerative niche impairs the ability of quiescent MuSCs to reenter the cell cycle. The histone H3 lysine 27 (H3K27) demethylase JMJD3, but not UTX, allowed MuSCs to overcome inhibitory inflammation signaling by removing trimethylated H3K27 (H3K27me3) marks at the Has2 locus to initiate production of hyaluronic acid, which in turn established an extracellular matrix competent for integrating signals that direct MuSCs to exit quiescence. Thus, JMJD3-driven hyaluronic acid synthesis plays a proregenerative role that allows MuSC adaptation to inflammation and the initiation of muscle repair.
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Affiliation(s)
- Kiran Nakka
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Sarah Hachmer
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Zeinab Mokhtari
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Radmila Kovac
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Hina Bandukwala
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Clara Bernard
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, CNRS 5261, INSERM U1315, Université de Lyon, Lyon, France
| | - Yuefeng Li
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Guojia Xie
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Chengyu Liu
- Transgenic Core, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Magid Fallahi
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Lynn A Megeney
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Julien Gondin
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, CNRS 5261, INSERM U1315, Université de Lyon, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, CNRS 5261, INSERM U1315, Université de Lyon, Lyon, France
| | - Marjorie Brand
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada.,LIFE Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - Xiaohui Zha
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Biochemistry, Microbiology, and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Kai Ge
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - F Jeffrey Dilworth
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada.,LIFE Research Institute, University of Ottawa, Ottawa, ON, Canada
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9
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Juban G, Chazaud B. DCs unchained: Whetting dendritic-cell appetite boosts wound healing. Immunity 2022; 55:1156-1158. [PMID: 35830825 DOI: 10.1016/j.immuni.2022.06.008] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Apoptotic-cell uptake (efferocytosis) by dendritic cells (DCs) has been mainly linked to their antigen presentation property. In a recent issue of Nature, Maschalidi et al. identified a break to efferocytosis in DCs, the inhibition of which improves skin debris cleansing after a wound, accelerating healing.
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Affiliation(s)
- Gaëtan Juban
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, Inserm U1315, CNRS 5261, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Unité Physiopathologie et Génétique du Neurone et du Muscle, Université Claude Bernard Lyon 1, Inserm U1315, CNRS 5261, Lyon, France.
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10
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Robert M, Lessard L, Fenouil T, Hot A, Laumonier T, Bouche A, Chazaud B, Streichenberger N, Gallay L. POS0490 USEFULNESS OF MHC-II IMMUNO-STAINING ON MUSCLE BIOPSIES IN IDIOPATHIC INFLAMMATORY MYOPATHIES. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.5186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundIdiopathic inflammatory myopathies (IIMs) constitute a group of acquired muscular diseases that occur during childhood and adulthood, exhibit a variety of phenotypes and are potentially life-threatening. IIM diagnosis considers clinical, serological, and histological data. Muscle pathological analysis of IIM patients gives relevant elements for the diagnosis (immune cell infiltrate, vascular and connective tissues, as well as myofiber morphology). Immunochemistry (IHC) labeling for major histocompatibility complex class I (MHC-I), and C5b9, that are negative in normal muscle, appeared of interest in IIM diagnosis and the understanding of IIM pathogenesis. In normal muscle, myofibers are negative for MHC-II IHC. Its interest in the neuropathological exam of IIM muscle remains to be better characterized.ObjectivesThis study aims to analyze the pattern of MHC-II expression in various IIMs.MethodsA historical cohort was designed using the MYOLYON register (IIM patients diagnosed between 2016 and 2020 at the University Hospital of Lyon, France). Inclusion criteria were IIM diagnosis that was established histologically and available frozen muscle samples for additional analyses. Exclusion criterium was any treatment before muscle biopsy. Demographical data and final diagnosis were collected retrospectively from medical records. A centralized, standardized, and blind analysis of muscle MHC-II immuno-staining was conducted to define the various patterns of MHC-II by myofibers and by capillaries. The study complied with ethical requirements.ResultsSeventy-three patients were included: 23 dermatomyositis (DM), 13 anti-synthetase syndrome (ASS), 13 immune-mediated necrotizing myopathies (IMNM), 13 inclusion body myositis (IBM), and 11 overlap myositis (OM). MHC-II immuno-staining of myofibers or capillaries was abnormal for 91.8% of the analyzed biopsies (Figure 1). The analysis of MHC-II myofiber immuno-staining revealed distinguishable patterns according to IIM subtype: the labeling was diffuse in IBM (69.2%, n=9/13), perifascicular in ASS (61.5%, n=8/13), and variable in OM (patchy for 27.3% n=3/11 or clustered for 36.4%, n=4/11). MHC-II immuno-staining was negative in IMNM (84.6%, n=11/13) and in DM (47.8%, n=11/23). DM exhibiting positive MHC-II myofibers (n=12) were associated with the presence of anti-TIF1γ, anti-NXP2 and anti-SAE auto antibodies (n=5, n=3 and n=2, respectively). Among the 12 patients, there were juvenile cases (n=5, 41.7%) or DM associated with ongoing neoplasia (n=4, 33.3%). Three main architectures were described for capillaries: giant, leaky and capillary dropout. Patterns of MHC-II positive capillaries were the following: DM was characterized by capillary dropout (68.2%), IMNM showed leaky capillaries (75.0%), IBM giant capillaries (66.7%), ASS exhibited both giant (61.5%) and/or leaky (58.3%) capillaries, while OM showed giant (63.6%) or/and leaky (80.0%) capillaries and capillaries dropout (60.0%).ConclusionThe present work establishes the usefulness of MHC-II immuno-staining for IIM diagnosis, and gives additional elements on the impairment of myofibers and capillaries in the various IIM subgroups. MHC-II expression is known to be induced by inflammatory cytokine such as interferon type II. This could be linked to myofiber and/or capillary impairment in some IIMs, such as IBM, ASS and OM. These results also support the implication of vasculopathy in IIM pathogenesis, with various structural and cellular consequences regarding the different subgroups. Finally, MHC-II immuno-staining in IIM muscle biopsies enables a foremost analysis of myofibers and capillaries, and represents an additional biomarker to distinguish IIM subgroups.References[1]De Bleecker, J.L. et al. 205th ENMC International Workshop: Pathology diagnosis of idiopathic inflammatory myopathies part II 28-30 March 2014, Naarden, The Netherlands. Neuromuscul Disord 2015, 25, 268-272.Disclosure of InterestsNone declared.
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11
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Gallay L, Fermon C, Lessard L, Weiss-Gayet M, Viel S, Streichenberger N, Corpet A, Mounier R, Gitiaux C, Mouchiroud G, Chazaud B. Involvement of Type-I Interferon Signaling in Muscle Stem Cell Proliferation During Dermatomyositis. Neurology 2022; 98:e2108-e2119. [DOI: 10.1212/wnl.0000000000200271] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 02/08/2022] [Indexed: 11/15/2022] Open
Abstract
Background and objective:The idiopathic inflammatory myopathy Dermatomyositis (DM) is an acquired disease that combines muscle, lung and skin impairments. DM patients show a wide range of severity of proximal skeletal muscle weakness, associated with inflammatory infiltrates, vasculitis, and capillary dropout, perifascicular myofiber atrophy. Moreover, DM muscles show signs of muscle regeneration. Since muscle stem cells (MuSCs) are responsible for myofiber repair, we asked wether the proliferative properties of muscle stem cells (MuSCs) are altered in DM muscle. We investigated the role of type-I interferon (IFN-I) in this process since DM is associated with sustained inflammation with high IFN-I levels.Methods:MuSCs isolated from normal, adult and juvenile DM muscles were grown in culture and were analyzed in vitro for their proliferating properties, their myogenic capacities and their senescence. Gain and loss of function experiments were performed to assess the role of IFN-I signaling in the prolfierative capacities of MuSCs.Results:MuSCs derived from 8 DM adult patients (DM-MuSCs) (5 severe form and 3 mild form, established from histological evaluation), from 3 juvenile DM patients and from normal muscle were used to analyze their myogenesis in vitro. DM-MuSCs exhibited strongly reduced proliferating capacities as compared with healthy MuSCs (-31 to -43% for severe and mild DM, respectively), leading to poor myotube formation (-36 to -71%). DM-MuSCs were enriched in senescent, beta-galactosidase positive cells, explaining partly the proliferation defect. Gain and loss of function experiments were performed to assess the role of IFN-I on the proliferative capacity of MuSCs. High concentrations of IFN-I decreased the proliferation of healthy MuSCs. Similarly, conditioned-medium from DM-MuSCs decreased the proliferation of healthy MuSC (-15 to -22%), suggesting the delivery of an autocrine effector. Then, pharmacological blockade of the IFN signaling (using ruxolitinib or anti-IFN-receptor antibodies) in DM-MuSCs rescued their proliferation up to the control values.Discussion:These results show that autocrine IFN-I signaling prevents MuSC expansion, leading to muscle repair deficit. This process may explain the persistent muscle weakness observed in severe DM patients.
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12
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Mura M, Rivoire E, Dehina-Khenniche L, Weiss-Gayet M, Chazaud B, Faes C, Connes P, Long A, Rytz CL, Mury P, Delrieu L, Gouraud E, Bordet M, Della Schiava N, Lermusiaux P, Arsicot M, Millon A, Pialoux V. Correction to: Effectiveness of an individualized home-based physical activity program in surgery-free non-endarterectomized asymptomatic stroke patients: a study protocol for the PACAPh interventional randomized trial. Trials 2022; 23:230. [PMID: 35317830 PMCID: PMC8939058 DOI: 10.1186/s13063-022-06135-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Affiliation(s)
- Mathilde Mura
- Atherosclerosis, Thrombosis and Physical Activity, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France
| | - Emeraude Rivoire
- Atherosclerosis, Thrombosis and Physical Activity, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France.,Vascular Medicine Department, Hopital Edouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Leila Dehina-Khenniche
- Atherosclerosis, Thrombosis and Physical Activity, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France.,Vascular and Endovascular Surgery Department, Hopital Louis Pradel, Hospices Civils de Lyon, Lyon, France
| | - Michèle Weiss-Gayet
- Stem Cell Environment and Skeletal Muscle Homeostasis, Institut NeuroMyoGene, CNRS UMR 5310, INSERM U1217, Université Claude Bernard Lyon 1, University of Lyon, Lyon, France
| | - Bénédicte Chazaud
- Stem Cell Environment and Skeletal Muscle Homeostasis, Institut NeuroMyoGene, CNRS UMR 5310, INSERM U1217, Université Claude Bernard Lyon 1, University of Lyon, Lyon, France
| | - Camille Faes
- Atherosclerosis, Thrombosis and Physical Activity, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France
| | - Philippe Connes
- Vascular Biology and Red Blood Cell, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France
| | - Anne Long
- Atherosclerosis, Thrombosis and Physical Activity, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France.,Vascular Medicine Department, Hopital Edouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Chantal L Rytz
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, 3230 Hospital Drive NW, Calgary, Alberta, Canada
| | - Pauline Mury
- Center for Research, Montreal Heart Institute, Montreal, Quebec, Canada
| | - Lidia Delrieu
- Residual Tumor & Response to Treatment Laboratory, RT2Lab, Translational Research Department, INSERM, U932 Immunity and Cancer, Institut Curie, Paris University, Paris, France
| | - Etienne Gouraud
- Atherosclerosis, Thrombosis and Physical Activity, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France
| | - Marine Bordet
- Vascular and Endovascular Surgery Department, Hopital Louis Pradel, Hospices Civils de Lyon, Lyon, France.,Electrical Engineering and Ferroelectrical Laboratory, INSA Lyon, Lyon, France
| | - Nellie Della Schiava
- Vascular and Endovascular Surgery Department, Hopital Louis Pradel, Hospices Civils de Lyon, Lyon, France.,Electrical Engineering and Ferroelectrical Laboratory, INSA Lyon, Lyon, France
| | - Patrick Lermusiaux
- Vascular and Endovascular Surgery Department, Hopital Louis Pradel, Hospices Civils de Lyon, Lyon, France
| | - Matthieu Arsicot
- Atherosclerosis, Thrombosis and Physical Activity, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France.,Vascular and Endovascular Surgery Department, Hopital Louis Pradel, Hospices Civils de Lyon, Lyon, France
| | - Antoine Millon
- Atherosclerosis, Thrombosis and Physical Activity, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France.,Vascular and Endovascular Surgery Department, Hopital Louis Pradel, Hospices Civils de Lyon, Lyon, France
| | - Vincent Pialoux
- Atherosclerosis, Thrombosis and Physical Activity, LIBM EA7424, Université Lyon 1, University of Lyon, Lyon, France.
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13
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Stifel U, Wolfschmitt EM, Vogt J, Wachter U, Vettorazzi S, Tews D, Hogg M, Zink F, Koll NM, Winning S, Mounier R, Chazaud B, Radermacher P, Fischer-Posovszky P, Caratti G, Tuckermann J. Glucocorticoids coordinate macrophage metabolism through the regulation of the tricarboxylic acid cycle. Mol Metab 2022; 57:101424. [PMID: 34954109 PMCID: PMC8783148 DOI: 10.1016/j.molmet.2021.101424] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/13/2021] [Accepted: 12/20/2021] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVES Glucocorticoids (GCs) are one of the most widely prescribed anti-inflammatory drugs. By acting through their cognate receptor, the glucocorticoid receptor (GR), GCs downregulate the expression of pro-inflammatory genes and upregulate the expression of anti-inflammatory genes. Metabolic pathways have recently been identified as key parts of both the inflammatory activation and anti-inflammatory polarization of macrophages, immune cells responsible for acute inflammation and tissue repair. It is currently unknown whether GCs control macrophage metabolism, and if so, to what extent metabolic regulation by GCs confers anti-inflammatory activity. METHODS Using transcriptomic and metabolomic profiling of macrophages, we identified GC-controlled pathways involved in metabolism, especially in mitochondrial function. RESULTS Metabolic analyses revealed that GCs repress glycolysis in inflammatory myeloid cells and promote tricarboxylic acid (TCA) cycle flux, promoting succinate metabolism and preventing intracellular accumulation of succinate. Inhibition of ATP synthase attenuated GC-induced transcriptional changes, likely through stalling of TCA cycle anaplerosis. We further identified a glycolytic regulatory transcription factor, HIF1α, as regulated by GCs, and as a key regulator of GC responsiveness during inflammatory challenge. CONCLUSIONS Our findings link metabolism to gene regulation by GCs in macrophages.
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Affiliation(s)
- Ulrich Stifel
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Ulm, Germany
| | - Eva-Maria Wolfschmitt
- Institute for Anesthesiological Pathophysiology and Process Engineering, and Department of Anesthesiology, University Hospital, Ulm, Germany
| | - Josef Vogt
- Institute for Anesthesiological Pathophysiology and Process Engineering, and Department of Anesthesiology, University Hospital, Ulm, Germany
| | - Ulrich Wachter
- Institute for Anesthesiological Pathophysiology and Process Engineering, and Department of Anesthesiology, University Hospital, Ulm, Germany
| | - Sabine Vettorazzi
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Ulm, Germany
| | - Daniel Tews
- Division of Pediatric Endocrinology and Diabetes, Department of Pediatric and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Melanie Hogg
- Institute for Anesthesiological Pathophysiology and Process Engineering, and Department of Anesthesiology, University Hospital, Ulm, Germany
| | - Fabian Zink
- Institute for Anesthesiological Pathophysiology and Process Engineering, and Department of Anesthesiology, University Hospital, Ulm, Germany
| | - Nora Maria Koll
- Institut fürPhysiologie, Universitätsklinikum Essen, Universität Duisburg-Essen, 45122, Essen, Germany
| | - Sandra Winning
- Institut fürPhysiologie, Universitätsklinikum Essen, Universität Duisburg-Essen, 45122, Essen, Germany
| | - Rémi Mounier
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Lyon, France
| | - Peter Radermacher
- Institute for Anesthesiological Pathophysiology and Process Engineering, and Department of Anesthesiology, University Hospital, Ulm, Germany
| | | | - Giorgio Caratti
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Ulm, Germany.
| | - Jan Tuckermann
- Institute of Comparative Molecular Endocrinology (CME), Ulm University, Ulm, Germany.
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14
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Mura M, Rivoire E, Dehina-Khenniche L, Weiss-Gayet M, Chazaud B, Faes C, Connes P, Long A, Rytz CL, Mury P, Delrieu L, Gouraud E, Bordet M, Schiava ND, Lermusiaux P, Arsicot M, Millon A, Pialoux V. Effectiveness of an individualized home-based physical activity program in surgery-free non-endarterectomized asymptomatic stroke patients: a study protocol for the PACAPh interventional randomized trial. Trials 2022; 23:145. [PMID: 35164816 PMCID: PMC8842739 DOI: 10.1186/s13063-022-06061-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 01/27/2022] [Indexed: 02/06/2023] Open
Abstract
Background Carotid atherosclerotic plaques remain silent until their rupture, which may lead to detrimental ischemic events such as strokes. This is due, in part, to intraplaque hemorrhages (IPH) and the resulting inflammatory processes, which may promote carotid plaque vulnerability. Currently, the benefits of carotid endarterectomy remain unclear for asymptomatic patients. Interestingly, the completion of physical activity (PA) may have beneficial effects; however, the paucity of current data warrants robust longitudinal interventions. We therefore aim to study the effects of a 6-month longitudinal personalized home-based PA program on IPH, biological, and inflammatory markers in asymptomatic stroke patients. Methods Eighty patients (≥ 18 years old) will be recruited for the Physical Activity and Carotid Atherosclerotic Plaque Hemorrhage (PACAPh) clinical trial from the Hospices Civils de Lyon. Patients will be eligible if they present with carotid stenosis ≥ 50% and are asymptomatic from any ischemic events for at least 6 months. Recruited patients will be randomized into either a PA or a control group, and assessed at baseline and after 6 months. At both time points, all patients will be assessed using magnetic resonance imaging to assess IPH, blood sampling to measure inflammatory markers and monocytic phenotyping, PA and sedentary behavior questionnaires, 6-min walking test, and maximal isometric quadricep contraction test. The randomized PA intervention will consist of reaching a daily walking step goal individually tailored to each patient. Steps will be collected using a wirelessly connected wristband. The number of steps completed by individuals in the PA group will be re-evaluated bimonthly to encourage walking habits. Discussion The PACAPh study is the first of its kind representing a feasible, easily accessible therapeutic strategy for asymptomatic stroke patients. We hypothesize that the personalized home-based PA program will reduce IPH and modulate inflammatory and biological parameters in patients presenting with carotid plaques. If the results of the PACAPh study prove to be beneficial on such health parameters, the implementation of such kind of intervention in the daily treatment of these patients would be an advantageous and cost-effective practice to adopt globally. Trial registration This study has been approved by the National Ethics Committee (IDRCB:2019-A01543-54/SI:19.06.21.40640). ClinicalTrials.gov NCT04053166
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15
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Fournier G, Bernard C, Cievet-Bonfils M, Kenney R, Pingon M, Sappey-Marinier E, Chazaud B, Gondin J, Servien E. Sex differences in semitendinosus muscle fiber-type composition. Scand J Med Sci Sports 2022; 32:720-727. [PMID: 34982477 DOI: 10.1111/sms.14127] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 12/16/2021] [Accepted: 12/31/2021] [Indexed: 11/28/2022]
Abstract
Sex differences in muscle fiber-type composition have been documented in several muscle groups while the hamstring muscle fiber-type composition has been poorly characterized. This study aimed to compare the semitendinosus muscle composition between men and women. Biopsy samples were obtained from the semitendinosus muscle of twelve men and twelve women during an anterior cruciate ligament reconstruction. SDH and ATPase activities as well as the size and the proportion of muscle fibers expressing myosin heavy chain (MyHC) isoforms were used to compare muscle composition between men and women. The proportion of SDH-positive muscle fibers was significantly lower (37.4 ± 11.2% vs. 49.3 ± 10.6%, p < 0.05), and the percentage of fast muscle fibers (i.e., based on ATPase activity) was significantly higher (65.8 ± 10.1% vs. 54.8 ± 8.3%, p < 0.05) in men versus women. Likewise, men muscles exhibited a lower percentage of the area that was occupied by MyHC-I labeling (35.6 ± 10.1% vs. 48.7 ± 8.9%; p < 0.05) and a higher percentage of the area that was occupied by MyHC-IIA (38.3 ± 6.7% vs. 32.5 ± 6.5%; p < 0.05) and MyHC-IIX labeling (26.1 ± 9.6% vs. 18.8 ± 8.5%; p = 0.06) as compared with women muscles. The cross-sectional area of MyHC-I, MyHC-IIA, and MyHC-IIX muscle fibers was 31%, 43%, and 50% larger in men as compared with women, respectively. We identified sex differences in semitendinosus muscle composition as illustrated by a faster phenotype and larger muscle size in men as compared with women. This sexual dimorphism might have functional consequences.
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Affiliation(s)
- Gaspard Fournier
- Department of Orthopedic Surgery and Sport Medicine, FIFA medical center of excellence, Hôpital de la Croix-Rousse, University Lyon 1, Lyon, France
| | - Clara Bernard
- Institut NeuroMyoGène, CNRS UMR 5310, INSERM U1217, Université Claude Bernard Lyon 1, Univ Lyon, Lyon, France
| | - Maxime Cievet-Bonfils
- Department of Orthopedic Surgery and Sport Medicine, FIFA medical center of excellence, Hôpital de la Croix-Rousse, University Lyon 1, Lyon, France
| | - Raymond Kenney
- Department of Orthopaedics, University of Rochester Medical Center, Rochester, New York, USA
| | - Maxime Pingon
- Department of Orthopedic Surgery and Sport Medicine, FIFA medical center of excellence, Hôpital de la Croix-Rousse, University Lyon 1, Lyon, France
| | - Elliot Sappey-Marinier
- Department of Orthopedic Surgery and Sport Medicine, FIFA medical center of excellence, Hôpital de la Croix-Rousse, University Lyon 1, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, CNRS UMR 5310, INSERM U1217, Université Claude Bernard Lyon 1, Univ Lyon, Lyon, France
| | - Julien Gondin
- Institut NeuroMyoGène, CNRS UMR 5310, INSERM U1217, Université Claude Bernard Lyon 1, Univ Lyon, Lyon, France
| | - Elvire Servien
- Department of Orthopedic Surgery and Sport Medicine, FIFA medical center of excellence, Hôpital de la Croix-Rousse, University Lyon 1, Lyon, France.,EA 7424 - Inter-University Laboratory of Human Movement Science, Univ Lyon, Université Claude Bernard Lyon 1, Villeurbanne, France
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16
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Rosa-Neto JC, Lira FS, Little JP, Landells G, Islam H, Chazaud B, Pyne DB, Teixeira AM, Batatinha H, Moura Antunes B, Guerra Minuzzi L, Palmowski J, Simpson RJ, Krüger K. Immunometabolism-fit: How exercise and training can modify T cell and macrophage metabolism in health and disease. Exerc Immunol Rev 2022; 28:29-46. [PMID: 35452394] [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] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
BACKGROUND The term immunometabolism describes cellular and molecular metabolic processes that control the immune system and the associated immune responses. Acute exercise and regular physical activity have a substantial influence on the metabolism and the immune system, so that both processes are closely associated and influence each other bidirectionally. SCOPE OF REVIEW We limit the review here to focus on metabolic phenotypes and metabolic plasticity of T cells and macrophages to describe the complex role of acute exercise stress and regular physical activity on these cell types. The metabolic and immunological consequences of the social problem of inactivity and how, conversely, an active lifestyle can break this vicious circle, are then described. Finally, these aspects are evaluated against the background of an aging society. MAJOR CONCLUSIONS T cells and macrophages show high sensitivity to changes in their metabolic environment, which indirectly or directly affects their central functions. Physical activity and sedentary behaviour have an important influence on metabolic status, thereby modifying immune cell phenotypes and influencing immunological plasticity. A detailed understanding of the interactions between acute and chronic physical activity, sedentary behaviour, and the metabolic status of immune cells, can help to target the dysregulated immune system of people who live in a much too inactive society.
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Affiliation(s)
- José Cesar Rosa-Neto
- Immunometabolism Research Group, Department of Cell Biology and Development, Institute of Biomedical Sciences 1, University of São Paulo (ICB1-USP), São Paulo 05508-000, Brazil
| | - Fábio Santos Lira
- Exercise and Immunometabolism Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente 19060-900, Brazil
| | - Jonathan Peter Little
- School of Health and Exercise Sciences, University of British Columbia, Okanagan Campus, Kelowna, British Columbia, CANADA
| | - Graham Landells
- School of Health and Exercise Sciences, University of British Columbia, Okanagan Campus, Kelowna, British Columbia, CANADA
| | - Hashim Islam
- School of Health and Exercise Sciences, University of British Columbia, Okanagan Campus, Kelowna, British Columbia, CANADA
| | - Bénédicte Chazaud
- Institut NeuroMyoGene, Unité Physiopathologie et Génétique du Neurone et du Muscle, Univ Lyon, CNRS 5261, INSERM U1315, Université Claude Bernard Lyon 1, Lyon, France
| | - David B Pyne
- Research Institute for Sport and Exercise, University of Canberra, Canberra, ACT 2617, Australia
| | - Ana Maria Teixeira
- University of Coimbra, Research Center for Sports and Physical Activity, Faculty of Sports Science and Physical Education, Coimbra, Portugal
| | - Helena Batatinha
- Immunometabolism Research Group, Department of Cell Biology and Development, Institute of Biomedical Sciences 1, University of São Paulo (ICB1-USP), São Paulo 05508-000, Brazil
| | - Barbara Moura Antunes
- Exercise and Immunometabolism Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente 19060-900, Brazil
- Facultad de Deportes Campus Ensenada, Universidad Autónoma de Baja California, México
| | - Luciele Guerra Minuzzi
- Exercise and Immunometabolism Research Group, Department of Physical Education, São Paulo State University (UNESP), Presidente Prudente 19060-900, Brazil
- University of Coimbra, Research Center for Sports and Physical Activity, Faculty of Sports Science and Physical Education, Coimbra, Portugal
| | - Jana Palmowski
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus Liebig University Giessen, 35394 Giessen, Germany
| | - Richard J Simpson
- School of Nutritional Sciences and Wellness; Department of Pediatrics; Department of Immunobiology, The University of Arizona, Tucson, AZ, USA
| | - Karsten Krüger
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus Liebig University Giessen, 35394 Giessen, Germany
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Singh P, Chazaud B. Benefits and pathologies associated with the inflammatory response. Exp Cell Res 2021; 409:112905. [PMID: 34736921 DOI: 10.1016/j.yexcr.2021.112905] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 10/14/2021] [Accepted: 10/29/2021] [Indexed: 10/20/2022]
Abstract
Adult skeletal muscle regenerates completely after a damage, thanks to the satellite cells, or muscle stem cells (MuSCs), that implement the adult myogenic program. This program is sustained by both robust intrinsic mechanisms and extrinsic cues coming from the close neighborhood of MuSCs during muscle regeneration. Among the various cell types present in the regenerating muscle, immune cells, and particularly macrophages, exert numerous functions and provide sequential transient niches to support the myogenic program. The adequate orchestration of the delivery of these cues ensures efficient muscle regeneration and full functional recovery. The situation is very different in muscular dystrophies where asynchronous and permanent microinjuries occur, triggering contradictory regenerating cues at the same time in a specific area, that lead to chronic inflammation and fibrogenesis. Here we review the beneficial effects that leukocytes, and particularly macrophages, exert on their neighboring cells during skeletal muscle regeneration after an acute injury. Then, the more complicated (and less beneficial) roles of leukocytes during muscular dystrophies are presented. Finally, we discuss how the inflammatory compartment may be a target to improve muscle regeneration in both acute muscle injury and muscle diseases.
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Affiliation(s)
- Pawandeep Singh
- Institut NeuroMyoGene, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Faculté de Médecine, 8 Avenue Rockefeller, 69008, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGene, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Faculté de Médecine, 8 Avenue Rockefeller, 69008, Lyon, France.
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18
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Abstract
Efferocytosis, i.e., engulfment of dead cells by macrophages, is a crucial step during tissue repair after an injury. Efferocytosis delineates the transition from the pro-inflammatory phase of the inflammatory response to the recovery phase that ensures tissue reconstruction. We present here the role of efferocytosis during skeletal muscle regeneration, which is a paradigm of sterile tissue injury followed by a complete regeneration. We present the molecular mechanisms that have been described to control this process, and particularly the metabolic control of efferocytosis during skeletal muscle regeneration.
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19
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Chazaud B, Mounier R. Diabetes-induced skeletal muscle fibrosis: Fibro-adipogenic precursors at work. Cell Metab 2021; 33:2095-2096. [PMID: 34731650 DOI: 10.1016/j.cmet.2021.10.009] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Skeletal muscle fibrosis is a complication of diabetes and insulin resistance. In this issue of Cell Metabolism, Farup et al. (2021) characterized fibro-adipogenic precursors (FAPs) in human skeletal muscle and showed that a CD34+CD90+ FAP subset is involved in diabetes-induced muscle fibrosis through PDGFRα signaling and activation of glycolysis.
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Affiliation(s)
- Bénédicte Chazaud
- Institut NeuroMyoGène, UMR CNRS 5310 - Inserm U1217, Université Claude Bernard Lyon 1, Université Lyon, Lyon, France.
| | - Rémi Mounier
- Institut NeuroMyoGène, UMR CNRS 5310 - Inserm U1217, Université Claude Bernard Lyon 1, Université Lyon, Lyon, France
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20
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Feno S, Munari F, Reane DV, Gissi R, Hoang DH, Castegna A, Chazaud B, Viola A, Rizzuto R, Raffaello A. The dominant-negative mitochondrial calcium uniporter subunit MCUb drives macrophage polarization during skeletal muscle regeneration. Sci Signal 2021; 14:eabf3838. [PMID: 34726954 DOI: 10.1126/scisignal.abf3838] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Simona Feno
- Department of Biomedical Sciences, University of Padova, 35131 Padua, Italy
| | - Fabio Munari
- Department of Biomedical Sciences, University of Padova, 35131 Padua, Italy
| | | | - Rosanna Gissi
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Via Orabona 4, 70125 Bari, Italy
| | - Dieu-Huong Hoang
- INSERM U1217, CNRS 5310, Institut NeuroMyoGène, Université Claude Bernard Lyon 1, Université de Lyon, 8 Avenue Rockefeller, F-69008 Lyon, France
| | - Alessandra Castegna
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Via Orabona 4, 70125 Bari, Italy.,IBIOM-CNR, Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies, National Research Council, Via Giovanni Amendola 122/O, 70126 Bari, Italy
| | - Bénédicte Chazaud
- INSERM U1217, CNRS 5310, Institut NeuroMyoGène, Université Claude Bernard Lyon 1, Université de Lyon, 8 Avenue Rockefeller, F-69008 Lyon, France
| | - Antonella Viola
- Department of Biomedical Sciences, University of Padova, 35131 Padua, Italy
| | - Rosario Rizzuto
- Department of Biomedical Sciences, University of Padova, 35131 Padua, Italy
| | - Anna Raffaello
- Department of Biomedical Sciences, University of Padova, 35131 Padua, Italy.,Myology Center, University of Padua, via G. Colombo 3, 35100 Padova, Italy
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21
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Chazaud B. Special Issue on "The role of macrophages in tissue homeostasis". Semin Cell Dev Biol 2021; 119:70-71. [PMID: 34538700 DOI: 10.1016/j.semcdb.2021.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS 5310, Inserm Univ. Lyon, U1217, Lyon, France
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22
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Saclier M, Ben Larbi S, My Ly H, Moulin E, Mounier R, Chazaud B, Juban G. Interplay between myofibers and pro-inflammatory macrophages controls muscle damage in mdx mice. J Cell Sci 2021; 134:272022. [PMID: 34471933 DOI: 10.1242/jcs.258429] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 07/30/2021] [Indexed: 12/18/2022] Open
Abstract
Duchenne muscular dystrophy is a genetic muscle disease characterized by chronic inflammation and fibrosis mediated by a pro-fibrotic macrophage population expressing pro-inflammatory markers. Our aim was to characterize cellular events leading to the alteration of macrophage properties and to modulate macrophage inflammatory status using the gaseous mediator hydrogen sulfide (H2S). Using co-culture experiments, we first showed that myofibers derived from mdx mice strongly skewed the polarization of resting macrophages towards a pro-inflammatory phenotype. Treatment of mdx mice with NaHS, an H2S donor, reduced the number of pro-inflammatory macrophages in skeletal muscle, which was associated with a decreased number of nuclei per fiber, as well as reduced myofiber branching and fibrosis. Finally, we established the metabolic sensor AMP-activated protein kinase (AMPK) as a critical NaHS target in muscle macrophages. These results identify an interplay between myofibers and macrophages where dystrophic myofibers contribute to the maintenance of a highly inflammatory environment sustaining a pro-inflammatory macrophage status, which in turn favors myofiber damage, myofiber branching and establishment of fibrosis. Our results also highlight the use of H2S donors as a potential therapeutic strategy to improve the dystrophic muscle phenotype by dampening chronic inflammation. This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Marielle Saclier
- Department of Biosciences, University of Milan, 20133 Milan, Italy
| | - Sabrina Ben Larbi
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université de Lyon, 69008 Lyon, France
| | - Ha My Ly
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université de Lyon, 69008 Lyon, France
| | - Eugénie Moulin
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université de Lyon, 69008 Lyon, France
| | - Rémi Mounier
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université de Lyon, 69008 Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université de Lyon, 69008 Lyon, France
| | - Gaëtan Juban
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université de Lyon, 69008 Lyon, France
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23
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Ben Larbi S, Saclier M, Fessard A, Juban G, Chazaud B. Histological Analysis of Tibialis Anterior Muscle of DMDmdx4Cv Mice from 1 to 24 Months. J Neuromuscul Dis 2021; 8:513-524. [PMID: 33843691 DOI: 10.3233/jnd-200562] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND The mdx-C57/B6 mouse model does not show the clinical signs of Duchenne muscular dystrophy (DMD), although muscles exhibit hallmarks of permanent regeneration and alterations in muscle function. The DMDmdx4Cv strain exhibits very few revertant dystrophin positive myofibers, making that model suitable for studies on gene and cell therapies. OBJECTIVE The study appraises the histological evolution of the Tibialis Anterior muscle of WT and DMD mdx4Cv mutant from 1 to 24 months. METHODS Histological analysis included a series of immunostainings of muscle sections for assessing tissue features (fibrosis, lipid deposition, necrosis) and cellular characteristics (size of myofibers, number and distribution of myonuclei, number of satellite cells, vessels, macrophages). RESULTS None of the investigated cell types (satellite cells, endothelial cells, macrophages) showed variations in their density within the tissue in both WT and DMD mdx4Cv muscle. However, analyzing their number per myofiber showed that in DMD mdx4Cv, myofiber capillarization was increased from 1 to 6 months as compared with WT muscle, then dropped from 12 months. Macrophage number did not vary in WT muscle and peaked at 6 months in DMD mdx4Cv muscle. The number of satellite cells per myofiber did not vary in WT muscle while it remained high in DMD mdx4Cv muscle, starting to decrease from 12 months and being significantly lower at 24 months of age. Myofiber size was not different in DMD mdx4Cv from WT except at 24 months, when it strongly decreased in DMD mdx4Cv muscle. Necrosis and lipid deposition were rare in DMD mdx4Cv muscle. Fibrosis did not increase with age in DMD mdx4Cv muscle and was higher than in WT at 6 and 12 months of age. CONCLUSIONS As a whole, the results show a strong decrease of the myofiber size at 24 months, and an increased capillarization until 6 months of age in DMD mdx4Cv as compared with the WT. Thus, DMD mdx4Cv mice poorly recapitulates histological DMD features, and its use should take into account the age of the animals according to the purpose of the investigation.
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Affiliation(s)
- Sabrina Ben Larbi
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 2310, INSERM U1217, Université Lyon, Villeurbanne, France
| | | | - Aurélie Fessard
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 2310, INSERM U1217, Université Lyon, Villeurbanne, France
| | - Gaëtan Juban
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 2310, INSERM U1217, Université Lyon, Villeurbanne, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 2310, INSERM U1217, Université Lyon, Villeurbanne, France
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24
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Panci G, Chazaud B. Inflammation during post-injury skeletal muscle regeneration. Semin Cell Dev Biol 2021; 119:32-38. [PMID: 34140216 DOI: 10.1016/j.semcdb.2021.05.031] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 05/02/2021] [Accepted: 05/30/2021] [Indexed: 12/18/2022]
Abstract
The adult skeletal muscle fully regenerates after injury thanks to the properties of muscle stem cells that follow the adult myogenic program to replace damaged myofibers. Muscle regeneration also relies upon the coordinated actions of several other cell types, among which immune cells. Leukocytes infiltrate the damaged muscle soon after injury and support the regeneration process in a variety of ways, from the activation of muscle stem cells to the maturation of newly formed myofibers. Leukocytes also interact with other cell types such as fibroadipogenic precursors and endothelial cells. This review presents the interactions that leukocytes develop with the cells present in their vicinity and the impact they have on skeletal muscle regeneration.
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Affiliation(s)
- Georgiana Panci
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Faculté de Médecine, 8 Avenue Rockefeller, F-69008 Lyon, France.
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Faculté de Médecine, 8 Avenue Rockefeller, F-69008 Lyon, France.
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25
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Andreana I, Repellin M, Carton F, Kryza D, Briançon S, Chazaud B, Mounier R, Arpicco S, Malatesta M, Stella B, Lollo G. Nanomedicine for Gene Delivery and Drug Repurposing in the Treatment of Muscular Dystrophies. Pharmaceutics 2021; 13:278. [PMID: 33669654 PMCID: PMC7922331 DOI: 10.3390/pharmaceutics13020278] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/07/2021] [Accepted: 02/14/2021] [Indexed: 12/11/2022] Open
Abstract
Muscular Dystrophies (MDs) are a group of rare inherited genetic muscular pathologies encompassing a variety of clinical phenotypes, gene mutations and mechanisms of disease. MDs undergo progressive skeletal muscle degeneration causing severe health problems that lead to poor life quality, disability and premature death. There are no available therapies to counteract the causes of these diseases and conventional treatments are administered only to mitigate symptoms. Recent understanding on the pathogenetic mechanisms allowed the development of novel therapeutic strategies based on gene therapy, genome editing CRISPR/Cas9 and drug repurposing approaches. Despite the therapeutic potential of these treatments, once the actives are administered, their instability, susceptibility to degradation and toxicity limit their applications. In this frame, the design of delivery strategies based on nanomedicines holds great promise for MD treatments. This review focuses on nanomedicine approaches able to encapsulate therapeutic agents such as small chemical molecules and oligonucleotides to target the most common MDs such as Duchenne Muscular Dystrophy and the Myotonic Dystrophies. The challenge related to in vitro and in vivo testing of nanosystems in appropriate animal models is also addressed. Finally, the most promising nanomedicine-based strategies are highlighted and a critical view in future developments of nanomedicine for neuromuscular diseases is provided.
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Affiliation(s)
- Ilaria Andreana
- Laboratoire d’Automatique, de Génie des Procédés et de Génie Pharmaceutique, Université Claude Bernard Lyon 1, CNRS UMR 5007, 43 bd 11 Novembre 1918, 69622 Villeurbanne, France; (I.A.); (M.R.); (D.K.); (S.B.)
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, 10125 Torino, Italy;
| | - Mathieu Repellin
- Laboratoire d’Automatique, de Génie des Procédés et de Génie Pharmaceutique, Université Claude Bernard Lyon 1, CNRS UMR 5007, 43 bd 11 Novembre 1918, 69622 Villeurbanne, France; (I.A.); (M.R.); (D.K.); (S.B.)
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy; (F.C.); (M.M.)
| | - Flavia Carton
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy; (F.C.); (M.M.)
- Department of Health Sciences, University of Eastern Piedmont, Via Solaroli 17, 28100 Novara, Italy
| | - David Kryza
- Laboratoire d’Automatique, de Génie des Procédés et de Génie Pharmaceutique, Université Claude Bernard Lyon 1, CNRS UMR 5007, 43 bd 11 Novembre 1918, 69622 Villeurbanne, France; (I.A.); (M.R.); (D.K.); (S.B.)
- Hospices Civils de Lyon, 69437 Lyon, France
| | - Stéphanie Briançon
- Laboratoire d’Automatique, de Génie des Procédés et de Génie Pharmaceutique, Université Claude Bernard Lyon 1, CNRS UMR 5007, 43 bd 11 Novembre 1918, 69622 Villeurbanne, France; (I.A.); (M.R.); (D.K.); (S.B.)
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, University of Lyon, INSERM U1217, CNRS UMR 5310, 8 Avenue Rockefeller, 69008 Lyon, France; (B.C.); (R.M.)
| | - Rémi Mounier
- Institut NeuroMyoGène, University of Lyon, INSERM U1217, CNRS UMR 5310, 8 Avenue Rockefeller, 69008 Lyon, France; (B.C.); (R.M.)
| | - Silvia Arpicco
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, 10125 Torino, Italy;
| | - Manuela Malatesta
- Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie 8, 37134 Verona, Italy; (F.C.); (M.M.)
| | - Barbara Stella
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, 10125 Torino, Italy;
| | - Giovanna Lollo
- Laboratoire d’Automatique, de Génie des Procédés et de Génie Pharmaceutique, Université Claude Bernard Lyon 1, CNRS UMR 5007, 43 bd 11 Novembre 1918, 69622 Villeurbanne, France; (I.A.); (M.R.); (D.K.); (S.B.)
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26
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Massenet J, Gardner E, Chazaud B, Dilworth FJ. Epigenetic regulation of satellite cell fate during skeletal muscle regeneration. Skelet Muscle 2021; 11:4. [PMID: 33431060 PMCID: PMC7798257 DOI: 10.1186/s13395-020-00259-w] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 12/20/2020] [Indexed: 12/13/2022] Open
Abstract
In response to muscle injury, muscle stem cells integrate environmental cues in the damaged tissue to mediate regeneration. These environmental cues are tightly regulated to ensure expansion of muscle stem cell population to repair the damaged myofibers while allowing repopulation of the stem cell niche. These changes in muscle stem cell fate result from changes in gene expression that occur in response to cell signaling from the muscle environment. Integration of signals from the muscle environment leads to changes in gene expression through epigenetic mechanisms. Such mechanisms, including post-translational modification of chromatin and nucleosome repositioning, act to make specific gene loci more, or less, accessible to the transcriptional machinery. In youth, the muscle environment is ideally structured to allow for coordinated signaling that mediates efficient regeneration. Both age and disease alter the muscle environment such that the signaling pathways that shape the healthy muscle stem cell epigenome are altered. Altered epigenome reduces the efficiency of cell fate transitions required for muscle repair and contributes to muscle pathology. However, the reversible nature of epigenetic changes holds out potential for restoring cell fate potential to improve muscle repair in myopathies. In this review, we will describe the current knowledge of the mechanisms allowing muscle stem cell fate transitions during regeneration and how it is altered in muscle disease. In addition, we provide some examples of how epigenetics could be harnessed therapeutically to improve regeneration in various muscle pathologies.
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Affiliation(s)
- Jimmy Massenet
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, 501 Smyth Rd, Mailbox 511, Ottawa, ON, K1H 8L6, Canada.,Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS 5310, INSERM U1217, 8 Rockefeller Ave, 69008, Lyon, France
| | - Edward Gardner
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, 501 Smyth Rd, Mailbox 511, Ottawa, ON, K1H 8L6, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, K1H 8L6, Canada
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS 5310, INSERM U1217, 8 Rockefeller Ave, 69008, Lyon, France
| | - F Jeffrey Dilworth
- Sprott Center for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, 501 Smyth Rd, Mailbox 511, Ottawa, ON, K1H 8L6, Canada. .,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, K1H 8L6, Canada. .,LIFE Research Institute, University of Ottawa, Ottawa, ON, K1H 8L6, Canada.
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27
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McArthur S, Juban G, Gobbetti T, Desgeorges T, Theret M, Gondin J, Toller-Kawahisa JE, Reutelingsperger CP, Chazaud B, Perretti M, Mounier R. Annexin A1 drives macrophage skewing to accelerate muscle regeneration through AMPK activation. J Clin Invest 2020; 130:1156-1167. [PMID: 32015229 PMCID: PMC7269594 DOI: 10.1172/jci124635] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 11/21/2019] [Indexed: 12/11/2022] Open
Abstract
Understanding the circuits that promote an efficient resolution of inflammation is crucial to deciphering the molecular and cellular processes required to promote tissue repair. Macrophages play a central role in the regulation of inflammation, resolution, and repair/regeneration. Using a model of skeletal muscle injury and repair, herein we identified annexin A1 (AnxA1) as the extracellular trigger of macrophage skewing toward a pro-reparative phenotype. Brought into the injured tissue initially by migrated neutrophils, and then overexpressed in infiltrating macrophages, AnxA1 activated FPR2/ALX receptors and the downstream AMPK signaling cascade, leading to macrophage skewing, dampening of inflammation, and regeneration of muscle fibers. Mice lacking AnxA1 in all cells or only in myeloid cells displayed a defect in this reparative process. In vitro experiments recapitulated these properties, with AMPK-null macrophages lacking AnxA1-mediated polarization. Collectively, these data identified the AnxA1/FPR2/AMPK axis as an important pathway in skeletal muscle injury regeneration.
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Affiliation(s)
- Simon McArthur
- Institute of Dentistry and.,William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Gaëtan Juban
- Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Institut NeuroMyoGène, Lyon, France
| | - Thomas Gobbetti
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Thibaut Desgeorges
- Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Institut NeuroMyoGène, Lyon, France
| | - Marine Theret
- Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Institut NeuroMyoGène, Lyon, France
| | - Julien Gondin
- Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Institut NeuroMyoGène, Lyon, France
| | - Juliana E Toller-Kawahisa
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom.,Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Chris P Reutelingsperger
- Department of Biochemistry and.,Cardiovascular Research Institute Maastricht, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands
| | - Bénédicte Chazaud
- Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Institut NeuroMyoGène, Lyon, France
| | - Mauro Perretti
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom.,Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, London, United Kingdom
| | - Rémi Mounier
- Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Institut NeuroMyoGène, Lyon, France
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28
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Chazaud B. Inflammation and Skeletal Muscle Regeneration: Leave It to the Macrophages! Trends Immunol 2020; 41:481-492. [PMID: 32362490 DOI: 10.1016/j.it.2020.04.006] [Citation(s) in RCA: 162] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/01/2020] [Accepted: 04/03/2020] [Indexed: 12/31/2022]
Abstract
Inflammation is usually considered as harmful; however, it is also necessary for tissue recovery after injury. Macrophages exert immune and nonimmune functions throughout this process. During skeletal muscle regeneration, they mount an inflammatory response while exerting trophic roles on muscle and mesenchymal stem cells. Proinflammatory macrophages shift to being anti-inflammatory, triggering the resolution of inflammation. Studies have highlighted that during this shift, a crosstalk ensues, integrating cues for resolution, efferocytosis, cellular metabolism, and signaling pathways. During the restorative phase, macrophages dampen inflammation while promoting stem cell differentiation, angiogenesis, and matrix remodeling. Since blunting the inflammatory phase can be detrimental for muscle regeneration, we suggest that rather than fighting inflammation, it should be allowed to operate and resolve, thus allowing for tissue recovery.
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Affiliation(s)
- Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Lyon, France.
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29
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Affiliation(s)
- Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Villeurbanne, France.
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30
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Juban G, Saclier M, Yacoub-Youssef H, Kernou A, Arnold L, Boisson C, Ben Larbi S, Magnan M, Cuvellier S, Théret M, Petrof BJ, Desguerre I, Gondin J, Mounier R, Chazaud B. AMPK Activation Regulates LTBP4-Dependent TGF-β1 Secretion by Pro-inflammatory Macrophages and Controls Fibrosis in Duchenne Muscular Dystrophy. Cell Rep 2019; 25:2163-2176.e6. [PMID: 30463013 DOI: 10.1016/j.celrep.2018.10.077] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 09/06/2018] [Accepted: 10/19/2018] [Indexed: 12/22/2022] Open
Abstract
Chronic inflammation and fibrosis characterize Duchenne muscular dystrophy (DMD). We show that pro-inflammatory macrophages are associated with fibrosis in mouse and human DMD muscle. DMD-derived Ly6Cpos macrophages exhibit a profibrotic activity by sustaining fibroblast production of collagen I. This is mediated by the high production of latent-TGF-β1 due to the higher expression of LTBP4, for which polymorphisms are associated with the progression of fibrosis in DMD patients. Skewing macrophage phenotype via AMPK activation decreases ltbp4 expression by Ly6Cpos macrophages, blunts the production of latent-TGF-β1, and eventually reduces fibrosis and improves DMD muscle force. Moreover, fibro-adipogenic progenitors are the main providers of TGF-β-activating enzymes in mouse and human DMD, leading to collagen production by fibroblasts. In vivo pharmacological inhibition of TGF-β-activating enzymes improves the dystrophic phenotype. Thus, an AMPK-LTBP4 axis in inflammatory macrophages controls the production of TGF-β1, which is further activated by and acts on fibroblastic cells, leading to fibrosis in DMD.
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Affiliation(s)
- Gaëtan Juban
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Villeurbanne 69100, France
| | - Marielle Saclier
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Houda Yacoub-Youssef
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Amel Kernou
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Ludovic Arnold
- Centre d'Immunologie et des Maladies Infectieuses, INSERM U1135, Université Pierre et Marie Curie, Sorbonne Universités, Paris 75013, France
| | - Camille Boisson
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Villeurbanne 69100, France
| | - Sabrina Ben Larbi
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Villeurbanne 69100, France
| | - Mélanie Magnan
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Sylvain Cuvellier
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Marine Théret
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Villeurbanne 69100, France
| | - Basil J Petrof
- Meakins-Christie Laboratories, McGill University, Montreal, QC H4A3J1, Canada; Research Institute of the McGill University Health Centre, Montreal, QC H4A3J1, Canada
| | - Isabelle Desguerre
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, Sorbonne Paris Cité, Paris 75014, France
| | - Julien Gondin
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Villeurbanne 69100, France
| | - Rémi Mounier
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Villeurbanne 69100, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Université Lyon, Villeurbanne 69100, France.
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Bouvière J, Trignol A, Hoang DH, del Carmine P, Goriot ME, Ben Larbi S, Barritault D, Banzet S, Chazaud B. Heparan Sulfate Mimetics Accelerate Postinjury Skeletal Muscle Regeneration. Tissue Eng Part A 2019; 25:1667-1676. [DOI: 10.1089/ten.tea.2019.0058] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Jessica Bouvière
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Lyon, France
| | - Aurélie Trignol
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Lyon, France
- Département Soutien Médico-Chirurgical des Forces, Institut de Recherche Biomédicale des Armées, UMR-MD-1197, Clamart, France
| | - Dieu-Huong Hoang
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Lyon, France
| | - Peggy del Carmine
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Lyon, France
| | - Marie-Emmanuelle Goriot
- Département Soutien Médico-Chirurgical des Forces, Institut de Recherche Biomédicale des Armées, UMR-MD-1197, Clamart, France
| | - Sabrina Ben Larbi
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Lyon, France
| | - Denis Barritault
- OTR3, Paris, France
- Laboratoire CRRET, Université Paris-Est Creteil, Créteil, France
| | - Sébastien Banzet
- Département Soutien Médico-Chirurgical des Forces, Institut de Recherche Biomédicale des Armées, UMR-MD-1197, Clamart, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR-5310, INSERM U-1217, Lyon, France
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Desgeorges T, Caratti G, Mounier R, Tuckermann J, Chazaud B. Glucocorticoids Shape Macrophage Phenotype for Tissue Repair. Front Immunol 2019; 10:1591. [PMID: 31354730 PMCID: PMC6632423 DOI: 10.3389/fimmu.2019.01591] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 06/25/2019] [Indexed: 12/16/2022] Open
Abstract
Inflammation is a complex process which is highly conserved among species. Inflammation occurs in response to injury, infection, and cancer, as an allostatic mechanism to return the tissue and to return the organism back to health and homeostasis. Excessive, or chronic inflammation is associated with numerous diseases, and thus strategies to combat run-away inflammation is required. Anti-inflammatory drugs were therefore developed to switch inflammation off. However, the inflammatory response may be beneficial for the organism, in particular in the case of sterile tissue injury. The inflammatory response can be divided into several parts. The first step is the mounting of the inflammatory reaction itself, characterized by the presence of pro-inflammatory cytokines, and the infiltration of immune cells into the injured area. The second step is the resolution phase, where immune cells move toward an anti-inflammatory phenotype and decrease the secretion of pro-inflammatory cytokines. The last stage of inflammation is the regeneration process, where the tissue is rebuilt. Innate immune cells are major actors in the inflammatory response, of which, macrophages play an important role. Macrophages are highly sensitive to a large number of environmental stimuli, and can adapt their phenotype and function on demand. This change in phenotype in response to the environment allow macrophages to be involved in all steps of inflammation, from the first mounting of the pro-inflammatory response to the post-damage tissue repair.
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Affiliation(s)
- Thibaut Desgeorges
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, Univ Lyon, CNRS UMR 5310, INSERM U1217, Lyon, France
| | - Giorgio Caratti
- Institute of Comparative Molecular Endocrinology, University of Ulm, Ulm, Germany
| | - Rémi Mounier
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, Univ Lyon, CNRS UMR 5310, INSERM U1217, Lyon, France
| | - Jan Tuckermann
- Institute of Comparative Molecular Endocrinology, University of Ulm, Ulm, Germany
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, Univ Lyon, CNRS UMR 5310, INSERM U1217, Lyon, France
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33
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Desgeorges T, Liot S, Lyon S, Bouvière J, Kemmel A, Trignol A, Rousseau D, Chapuis B, Gondin J, Mounier R, Chazaud B, Juban G. Open-CSAM, a new tool for semi-automated analysis of myofiber cross-sectional area in regenerating adult skeletal muscle. Skelet Muscle 2019; 9:2. [PMID: 30621783 PMCID: PMC6323738 DOI: 10.1186/s13395-018-0186-6] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 12/04/2018] [Indexed: 01/25/2023] Open
Abstract
Adult skeletal muscle is capable of complete regeneration after an acute injury. The main parameter studied to assess muscle regeneration efficacy is the cross-sectional area (CSA) of the myofibers as myofiber size correlates with muscle force. CSA analysis can be time-consuming and may trigger variability in the results when performed manually. This is why programs were developed to completely automate the analysis of the CSA, such as SMASH, MyoVision, or MuscleJ softwares. Although these softwares are efficient to measure CSA on normal or hypertrophic/atrophic muscle, they fail to efficiently measure CSA on regenerating muscles. We developed Open-CSAM, an ImageJ macro, to perform a high throughput semi-automated analysis of CSA on skeletal muscle from various experimental conditions. The macro allows the experimenter to adjust the analysis and correct the mistakes done by the automation, which is not possible with fully automated programs. We showed that Open-CSAM was more accurate to measure CSA in regenerating and dystrophic muscles as compared with SMASH, MyoVision, and MuscleJ softwares and that the inter-experimenter variability was negligible. We also showed that, to obtain a representative CSA measurement, it was necessary to analyze the whole muscle section and not randomly selected pictures, a process that was easily and accurately be performed using Open-CSAM. To conclude, we show here an easy and experimenter-controlled tool to measure CSA in muscles from any experimental condition, including regenerating muscle.
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Affiliation(s)
- Thibaut Desgeorges
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, 8 Avenue Rockfeller, F-69008, Lyon, France
| | - Sophie Liot
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, 8 Avenue Rockfeller, F-69008, Lyon, France
| | - Solene Lyon
- CREATIS, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5220, INSERM U1206, INSA Lyon, 69100, Villeurbanne, France
| | - Jessica Bouvière
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, 8 Avenue Rockfeller, F-69008, Lyon, France
| | - Alix Kemmel
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, 8 Avenue Rockfeller, F-69008, Lyon, France
| | - Aurélie Trignol
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, 8 Avenue Rockfeller, F-69008, Lyon, France
| | - David Rousseau
- CREATIS, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5220, INSERM U1206, INSA Lyon, 69100, Villeurbanne, France
| | - Bruno Chapuis
- CIQLE, Lyon Bio Image, Univ Lyon, Université Claude Bernard Lyon 1, Structure Fédérative de Recherche santé Lyon-Est CNRS UMS3453/INSERM US7, 69008, Lyon, France
| | - Julien Gondin
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, 8 Avenue Rockfeller, F-69008, Lyon, France
| | - Rémi Mounier
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, 8 Avenue Rockfeller, F-69008, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, 8 Avenue Rockfeller, F-69008, Lyon, France.
| | - Gaëtan Juban
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, 8 Avenue Rockfeller, F-69008, Lyon, France.
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Gallay L, Hot A, Streichenberger N, Mouchiroud G, Chazaud B. Analyse des capacités de régénération des cellules souches musculaires dans la dermatomyosite. Rev Med Interne 2018. [DOI: 10.1016/j.revmed.2018.03.294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Le Moal E, Juban G, Bernard AS, Varga T, Policar C, Chazaud B, Mounier R. Macrophage-derived superoxide production and antioxidant response following skeletal muscle injury. Free Radic Biol Med 2018; 120:33-40. [PMID: 29462716 DOI: 10.1016/j.freeradbiomed.2018.02.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 01/27/2018] [Accepted: 02/15/2018] [Indexed: 11/24/2022]
Abstract
Macrophages are key players of immunity that display different functions according to their activation states. In a regenerative context, pro-inflammatory macrophages (Ly6Cpos) are involved in the mounting of the inflammatory response whereas anti-inflammatory macrophages (Ly6Cneg) dampen the inflammation and promote tissue repair. Reactive oxygen species (ROS) production is a hallmark of tissue injury and of subsequent inflammation as described in a bacterial challenge context. However, whether macrophages produce ROS following a sterile tissue injury is uncertain. In this study, we used complementary in vitro, ex vivo and in vivo experiments in mouse to show that macrophages do not release ROS following a sterile injury in skeletal muscle. Furthermore, expression profiles of genes involved in the response to oxidative stress in Ly6Cpos and Ly6Cneg macrophage subsets did not indicate any antioxidant response in this context. Finally, in vivo, pharmacological antioxidant supplementation with N-Acetyl-cysteine (NAC) following skeletal muscle injury did not alter macrophage phenotype during skeletal muscle regeneration. Overall, these results indicate that following a sterile injury, macrophage-derived ROS release is not involved in the regulation of the inflammatory response in the regenerating skeletal muscle.
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Affiliation(s)
- Emmeran Le Moal
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Lyon, France; Movement Sport and Health Sciences Laboratory, UFR STAPS, Université de Rennes 2, Ecole Normale Supérieure de Rennes, Rennes, France
| | - Gaëtan Juban
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Lyon, France
| | - Anne Sophie Bernard
- Ecole Normale Supérieure, Département de Chimie, CNRS UMR 7203, Université Pierre et Marie Curie, Paris, France
| | - Tamas Varga
- Department of Biochemistry and Molecular Biology, Research Center for Molecular Medicine, University of Debrecen, Debrecen, Hungary
| | - Clotilde Policar
- Ecole Normale Supérieure, Département de Chimie, CNRS UMR 7203, Université Pierre et Marie Curie, Paris, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Lyon, France
| | - Rémi Mounier
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217, Lyon, France.
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36
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Latroche C, Weiss-Gayet M, Gitiaux C, Chazaud B. Cell sorting of various cell types from mouse and human skeletal muscle. Methods 2018; 134-135:50-55. [DOI: 10.1016/j.ymeth.2017.12.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 12/11/2017] [Accepted: 12/15/2017] [Indexed: 01/09/2023] Open
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37
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Latroche C, Weiss-Gayet M, Chazaud B. Investigating the Vascular Niche: Three-Dimensional Co-culture of Human Skeletal Muscle Stem Cells and Endothelial Cells. Methods Mol Biol 2018; 2002:121-128. [PMID: 30242569 DOI: 10.1007/7651_2018_182] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Angiogenesis, the growth of new blood vessels, is crucial for efficient skeletal muscle regeneration. Myogenesis and angiogenesis take place concomitantly during muscle regeneration. Myogenic precursor cells (MPCs) are in close proximity to vessels and interact with neighboring endothelial cells (ECs) to expand and differentiate. To demonstrate functional interplay between the two cell types, we established a robust and predictive ex vivo assay to evaluate activity of MPCs on angiogenesis and vice-et-versa, of ECs on myogenesis. Here, we describe an optimized three-dimensional co-culture protocol for the assessment of biological interactions between MPCs and ECs during skeletal muscle regeneration.
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Affiliation(s)
- Claire Latroche
- San Raffaele Telethon Institute for Gene Therapy, Milan, Italy
| | - Michèle Weiss-Gayet
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1217, CNRS UMR5310, Lyon, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1217, CNRS UMR5310, Lyon, France.
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38
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Tirone M, Tran NL, Ceriotti C, Gorzanelli A, Canepari M, Bottinelli R, Raucci A, Di Maggio S, Santiago C, Mellado M, Saclier M, François S, Careccia G, He M, De Marchis F, Conti V, Ben Larbi S, Cuvellier S, Casalgrandi M, Preti A, Chazaud B, Al-Abed Y, Messina G, Sitia G, Brunelli S, Bianchi ME, Vénéreau E. High mobility group box 1 orchestrates tissue regeneration via CXCR4. J Exp Med 2017; 215:303-318. [PMID: 29203538 PMCID: PMC5748844 DOI: 10.1084/jem.20160217] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 09/11/2017] [Accepted: 11/03/2017] [Indexed: 02/06/2023] Open
Abstract
Inflammation and tissue regeneration follow tissue damage, but little is known about how these processes are coordinated. Tirone et al. show that alternative redox forms of high mobility group box 1 (HMGB1), the “alarmin” signal released by damaged cells, trigger inflammation or tissue repair after injury by interacting with distinct receptors and that a nonoxidizable HMGB1 mutant promotes regeneration without exacerbating inflammation. Inflammation and tissue regeneration follow tissue damage, but little is known about how these processes are coordinated. High Mobility Group Box 1 (HMGB1) is a nuclear protein that, when released on injury, triggers inflammation. We previously showed that HMGB1 with reduced cysteines is a chemoattractant, whereas a disulfide bond makes it a proinflammatory cytokine. Here we report that fully reduced HMGB1 orchestrates muscle and liver regeneration via CXCR4, whereas disulfide HMGB1 and its receptors TLR4/MD-2 and RAGE (receptor for advanced glycation end products) are not involved. Injection of HMGB1 accelerates tissue repair by acting on resident muscle stem cells, hepatocytes, and infiltrating cells. The nonoxidizable HMGB1 mutant 3S, in which serines replace cysteines, promotes muscle and liver regeneration more efficiently than the wild-type protein and without exacerbating inflammation by selectively interacting with CXCR4. Overall, our results show that the reduced form of HMGB1 coordinates tissue regeneration and suggest that 3S may be used to safely accelerate healing after injury in diverse clinical contexts.
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Affiliation(s)
- Mario Tirone
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy.,Division of Genetics and Cell Biology, Chromatin Dynamics Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ngoc Lan Tran
- Division of Immunology, Transplantation and Infectious Diseases, Experimental Hepatology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Chiara Ceriotti
- Division of Genetics and Cell Biology, Chromatin Dynamics Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Andrea Gorzanelli
- Division of Genetics and Cell Biology, Chromatin Dynamics Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Monica Canepari
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Roberto Bottinelli
- Department of Molecular Medicine, University of Pavia, Pavia, Italy.,Interdepartmental Centre for the Study of Biology and Sports Medicine, University of Pavia, Fondazione Salvatore Maugeri (IRCCS), Scientific Institute of Pavia, Pavia, Italy
| | - Angela Raucci
- Unit of Experimental Cardio-Oncology and Cardiovascular Aging, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - Stefania Di Maggio
- Unit of Experimental Cardio-Oncology and Cardiovascular Aging, Centro Cardiologico Monzino-IRCCS, Milan, Italy
| | - César Santiago
- Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Madrid, Spain
| | - Mario Mellado
- Department of Immunology and Oncology, Centro Nacional de Biotecnología/CSIC, Madrid, Spain
| | | | | | - Giorgia Careccia
- Division of Genetics and Cell Biology, Chromatin Dynamics Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Mingzhu He
- The Feinstein Institute for Medical Research, Manhasset, NY
| | - Francesco De Marchis
- Division of Genetics and Cell Biology, Chromatin Dynamics Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Valentina Conti
- Neural Stem Cell Biology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Sabrina Ben Larbi
- Institut NeuroMyogène, CNRS UMR5310, INSERM U1217, Université Lyon 1 Claude Bernard, Lyon, France
| | - Sylvain Cuvellier
- INSERM U1016, Institut Cochin, CNRS, UMR8104, Université Paris Descartes, Paris, France
| | | | | | - Bénédicte Chazaud
- Institut NeuroMyogène, CNRS UMR5310, INSERM U1217, Université Lyon 1 Claude Bernard, Lyon, France
| | - Yousef Al-Abed
- The Feinstein Institute for Medical Research, Manhasset, NY
| | | | - Giovanni Sitia
- Division of Immunology, Transplantation and Infectious Diseases, Experimental Hepatology Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Silvia Brunelli
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Marco Emilio Bianchi
- Division of Genetics and Cell Biology, Chromatin Dynamics Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy .,San Raffaele University, Milan, Italy
| | - Emilie Vénéreau
- Division of Genetics and Cell Biology, Chromatin Dynamics Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy .,HMGBiotech S.r.l., Milan, Italy
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Gitiaux C, Latroche C, Weiss‐Gayet M, Rodero MP, Duffy D, Bader‐Meunier B, Glorion C, Nusbaum P, Bodemer C, Mouchiroud G, Chelly J, Germain S, Desguerre I, Chazaud B. Myogenic Progenitor Cells Exhibit Type I Interferon–Driven Proangiogenic Properties and Molecular Signature During Juvenile Dermatomyositis. Arthritis Rheumatol 2017; 70:134-145. [DOI: 10.1002/art.40328] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 09/15/2017] [Indexed: 12/11/2022]
Affiliation(s)
- Cyril Gitiaux
- Département de Neurophysiologie Clinique Hôpital Necker‐Enfants Malades, AP‐HP, Centre de Référence pour les Maladies Neuromusculaires, Garches‐Necker‐Mondor‐Hendaye, AP‐HP, FILNEMUS, and Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes Paris France
| | - Claire Latroche
- Institut Cochin INSERM U1016, CNRS UMR 8104, Université Paris Descartes Paris France
| | - Michèle Weiss‐Gayet
- Institut NeuroMyoGène Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217 Villeurbanne France
| | - Mathieu P. Rodero
- Laboratory of Neurogenetics and Neuroinflammation INSERM UMR1163, Institut Imagine Paris France
| | - Darragh Duffy
- Immunobiology of Dendritic Cells INSERM U1223, Institut Pasteur Paris France
| | - Brigitte Bader‐Meunier
- Département de Rhumatologie Pédiatrique Hôpital Necker Enfants Malades, AP‐HP Paris France
| | - Christophe Glorion
- Département de Chirurgie Orthopédique Hôpital Necker Enfants Malades, AP‐HP Paris France
| | - Patrick Nusbaum
- Service de Biochimie et de Génétique Moléculaire Hôpital Cochin, AP‐HP Paris France
| | - Christine Bodemer
- Département de Dermatologie Hôpital Necker Enfants Malades, AP‐HP Paris France
| | - Guy Mouchiroud
- Institut NeuroMyoGène Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217 Villeurbanne France
| | - Jamel Chelly
- Institut Cochin INSERM U1016, CNRS UMR 8104, Université Paris Descartes Paris France
| | - Stéphane Germain
- Center for Interdisciplinary Research in Biology Collège de France, INSERM, CNRS, PSL Research University Paris France
| | - Isabelle Desguerre
- Centre de Référence pour les Maladies Neuromusculaires, Garches‐Necker‐Mondor‐Hendaye, AP‐HP, FILNEMUS Paris France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217 Villeurbanne France
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40
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Gitiaux C, Latroche C, Weiss-Gayet M, Rodero M, Duffy D, Bader Meunier B, Bodemer C, Mouchiroud G, Chelly J, Germain S, Desguerre I, Chazaud B. Myogenic progenitor cells exhibit IFN type I-driven pro-angiogenic properties and molecular signature during juvenile dermatomyositis. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Abstract
Skeletal muscle shows high plasticity in response to external demand. Moreover, adult skeletal muscle is capable of complete regeneration after injury, due to the properties of muscle stem cells (MuSCs), the satellite cells, which follow a tightly regulated myogenic program to generate both new myofibers and new MuSCs for further needs. Although reactive oxygen species (ROS) and reactive nitrogen species (RNS) have long been associated with skeletal muscle physiology, their implication in the cell and molecular processes at work during muscle regeneration is more recent. This review focuses on redox regulation during skeletal muscle regeneration. An overview of the basics of ROS/RNS and antioxidant chemistry and biology occurring in skeletal muscle is first provided. Then, the comprehensive knowledge on redox regulation of MuSCs and their surrounding cell partners (macrophages, endothelial cells) during skeletal muscle regeneration is presented in normal muscle and in specific physiological (exercise-induced muscle damage, aging) and pathological (muscular dystrophies) contexts. Recent advances in the comprehension of these processes has led to the development of therapeutic assays using antioxidant supplementation, which result in inconsistent efficiency, underlying the need for new tools that are aimed at precisely deciphering and targeting ROS networks. This review should provide an overall insight of the redox regulation of skeletal muscle regeneration while highlighting the limits of the use of nonspecific antioxidants to improve muscle function. Antioxid. Redox Signal. 27, 276-310.
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Affiliation(s)
- Emmeran Le Moal
- 1 Institut NeuroMyoGène, Université Claude Bernard Lyon 1 , INSERM U1217, CNRS UMR 5310, Villeurbanne, France .,2 Movement, Sport and Health Sciences Laboratory, M2S, EA1274, University of Rennes 2 , Bruz, France
| | - Vincent Pialoux
- 3 Laboratoire Interuniversitaire de Biologie de la Motricité, EA7424, Université Claude Bernard Lyon 1 , Univ Lyon, Villeurbanne, France .,4 Institut Universitaire de France , Paris, France
| | - Gaëtan Juban
- 1 Institut NeuroMyoGène, Université Claude Bernard Lyon 1 , INSERM U1217, CNRS UMR 5310, Villeurbanne, France
| | - Carole Groussard
- 2 Movement, Sport and Health Sciences Laboratory, M2S, EA1274, University of Rennes 2 , Bruz, France
| | - Hassane Zouhal
- 2 Movement, Sport and Health Sciences Laboratory, M2S, EA1274, University of Rennes 2 , Bruz, France
| | - Bénédicte Chazaud
- 1 Institut NeuroMyoGène, Université Claude Bernard Lyon 1 , INSERM U1217, CNRS UMR 5310, Villeurbanne, France
| | - Rémi Mounier
- 1 Institut NeuroMyoGène, Université Claude Bernard Lyon 1 , INSERM U1217, CNRS UMR 5310, Villeurbanne, France
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42
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Juban G, Chazaud B. Metabolic regulation of macrophages during tissue repair: insights from skeletal muscle regeneration. FEBS Lett 2017; 591:3007-3021. [PMID: 28555751 DOI: 10.1002/1873-3468.12703] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 05/22/2017] [Accepted: 05/23/2017] [Indexed: 12/19/2022]
Abstract
Macrophages are highly versatile cells that are involved both in the mounting and the resolution of inflammatory responses. Besides their properties in innate immunity to fight against pathogens, macrophages are essential for tissue repair, during which they adopt sequential inflammatory status. While the acquisition of some canonical polarized inflammatory statuses in vitro (M1/M2) is beginning to be understood at the molecular level, the regulation of macrophage skewing in vivo has been less investigated. Immunometabolism, in particular, is an emerging field, and most of the studies so far have investigated the control of macrophage polarization using in vitro set-ups. In this context, skeletal muscle regeneration is an excellent paradigm to study tissue repair, since the sequential steps of inflammatory response and tissue repair are well characterized. In this Review, after introducing macrophage populations and functions during skeletal muscle regeneration, we present the current knowledge on the metabolic regulation of macrophage inflammatory status, with particular emphasis on the comparison between in vitro and in vivo models of macrophage activation. We also discuss the metabolic regulation of macrophages in vivo during skeletal muscle regeneration.
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Affiliation(s)
- Gaëtan Juban
- INSERM U1217, CNRS 5310, Institut NeuroMyoGène, Université Claude Bernard Lyon 1, Université de Lyon, Villeurbanne, France
| | - Bénédicte Chazaud
- INSERM U1217, CNRS 5310, Institut NeuroMyoGène, Université Claude Bernard Lyon 1, Université de Lyon, Villeurbanne, France
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43
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Mounier R, Chazaud B. [PPARγ transcription factor controls in anti-inflammatory macrophages the expression of GDF3 that stimulates myogenic cell fusion during skeletal muscle regeneration]. Med Sci (Paris) 2017; 33:466-469. [PMID: 28612715 DOI: 10.1051/medsci/20173305003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Rémi Mounier
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR-5310, Inserm U-1217, Institut NeuroMyoGène, F-69622, Villeurbanne, France
| | - Bénédicte Chazaud
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS UMR-5310, Inserm U-1217, Institut NeuroMyoGène, F-69622, Villeurbanne, France
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44
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Mackey AL, Magnan M, Chazaud B, Kjaer M. Human skeletal muscle fibroblasts stimulate in vitro myogenesis and in vivo muscle regeneration. J Physiol 2017; 595:5115-5127. [PMID: 28369879 DOI: 10.1113/jp273997] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2017] [Accepted: 03/17/2017] [Indexed: 11/08/2022] Open
Abstract
KEY POINTS Accumulation of skeletal muscle extracellular matrix is an unfavourable characteristic of many muscle diseases, muscle injury and sarcopenia. The extent of cross-talk between fibroblasts, as the source of matrix protein, and satellite cells in humans is unknown. We studied this in human muscle biopsies and cell-culture studies. We observed a strong stimulation of myogenesis by human fibroblasts in cell culture. In biopsies collected 30 days after a muscle injury protocol, fibroblast number increased to four times control levels, where fibroblasts were found to be preferentially located immediately surrounding regenerating muscle fibres. These novel findings indicate an important role for fibroblasts in supporting the regeneration of muscle fibres, potentially through direct stimulation of satellite cell differentiation and fusion, and contribute to understanding of cell-cell cross-talk during physiological and pathological muscle remodelling. ABSTRACT Accumulation of skeletal muscle extracellular matrix is an unfavourable characteristic of many muscle diseases, muscle injury and sarcopenia. In addition to the indispensable role satellite cells play in muscle regeneration, there is emerging evidence in rodents for a regulatory influence on fibroblast activity. However, the influence of fibroblasts on satellite cells and muscle regeneration in humans is unknown. The purpose of this study was to investigate this in vitro and during in vivo regeneration in humans. Following a muscle injury protocol in young healthy men (n = 7), the number of fibroblasts (TCF7L2+), satellite cells (Pax7+), differentiating myogenic cells (myogenin+) and regenerating fibres (neonatal/embryonic myosin+) was determined from biopsy cross-sections. Fibroblasts and myogenic precursor cells (MPCs) were also isolated from human skeletal muscle (n = 4) and co-cultured using different cell ratios, with the two cell populations either in direct contact with each other or separated by a permeable membrane. MPC proliferation, differentiation and fusion were assessed from cells stained for BrdU, desmin and myogenin. On biopsy cross-sections, fibroblast number was seen to increase, along with myogenic cell number, by d7 and increase further by d30, where fibroblasts were observed to be preferentially located immediately surrounding regenerating muscle fibres. In vitro, the presence of fibroblasts in direct contact with MPCs was found to moderately stimulate MPC proliferation and strongly stimulate both MPC differentiation and MPC fusion. It thus appears, in humans, that fibroblasts exert a strong positive regulatory influence on MPC activity, in line with observations during in vivo skeletal muscle regeneration.
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Affiliation(s)
- Abigail L Mackey
- Institute of Sports Medicine, Department of Orthopaedic Surgery M, Bispebjerg Hospital, and Center for Healthy Aging, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark.,Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Mélanie Magnan
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris Descartes, Paris, France
| | - Bénédicte Chazaud
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université Paris Descartes, Paris, France.,Institut NeuroMyoGène, INSERM U1217, UMR CNRS 5310, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Michael Kjaer
- Institute of Sports Medicine, Department of Orthopaedic Surgery M, Bispebjerg Hospital, and Center for Healthy Aging, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
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45
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Theret M, Gsaier L, Schaffer B, Juban G, Ben Larbi S, Weiss-Gayet M, Bultot L, Collodet C, Foretz M, Desplanches D, Sanz P, Zang Z, Yang L, Vial G, Viollet B, Sakamoto K, Brunet A, Chazaud B, Mounier R. AMPKα1-LDH pathway regulates muscle stem cell self-renewal by controlling metabolic homeostasis. EMBO J 2017; 36:1946-1962. [PMID: 28515121 DOI: 10.15252/embj.201695273] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 04/18/2017] [Accepted: 04/20/2017] [Indexed: 12/31/2022] Open
Abstract
Control of stem cell fate to either enter terminal differentiation versus returning to quiescence (self-renewal) is crucial for tissue repair. Here, we showed that AMP-activated protein kinase (AMPK), the master metabolic regulator of the cell, controls muscle stem cell (MuSC) self-renewal. AMPKα1-/- MuSCs displayed a high self-renewal rate, which impairs muscle regeneration. AMPKα1-/- MuSCs showed a Warburg-like switch of their metabolism to higher glycolysis. We identified lactate dehydrogenase (LDH) as a new functional target of AMPKα1. LDH, which is a non-limiting enzyme of glycolysis in differentiated cells, was tightly regulated in stem cells. In functional experiments, LDH overexpression phenocopied AMPKα1-/- phenotype, that is shifted MuSC metabolism toward glycolysis triggering their return to quiescence, while inhibition of LDH activity rescued AMPKα1-/- MuSC self-renewal. Finally, providing specific nutrients (galactose/glucose) to MuSCs directly controlled their fate through the AMPKα1/LDH pathway, emphasizing the importance of metabolism in stem cell fate.
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Affiliation(s)
- Marine Theret
- Institut Neuromyogène, Université Claude Bernard Lyon 1, Villeurbanne, France.,INSERM U1217, Villeurbanne, France.,CNRS UMR 5310, Villeurbanne, France.,Université Paris Descartes, Paris, France
| | - Linda Gsaier
- Institut Neuromyogène, Université Claude Bernard Lyon 1, Villeurbanne, France.,INSERM U1217, Villeurbanne, France.,CNRS UMR 5310, Villeurbanne, France
| | - Bethany Schaffer
- Department of Genetic and the Cancer Biology Program, University of Stanford, Stanford, CA, USA
| | - Gaëtan Juban
- Institut Neuromyogène, Université Claude Bernard Lyon 1, Villeurbanne, France.,INSERM U1217, Villeurbanne, France.,CNRS UMR 5310, Villeurbanne, France
| | - Sabrina Ben Larbi
- Institut Neuromyogène, Université Claude Bernard Lyon 1, Villeurbanne, France.,INSERM U1217, Villeurbanne, France.,CNRS UMR 5310, Villeurbanne, France
| | - Michèle Weiss-Gayet
- Institut Neuromyogène, Université Claude Bernard Lyon 1, Villeurbanne, France.,INSERM U1217, Villeurbanne, France.,CNRS UMR 5310, Villeurbanne, France
| | - Laurent Bultot
- Nestlé Institute of Health Sciences SA, Lausanne, Switzerland.,School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Caterina Collodet
- Nestlé Institute of Health Sciences SA, Lausanne, Switzerland.,School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Marc Foretz
- Université Paris Descartes, Paris, France.,INSERM U1016, Institut Cochin, Paris, France.,CNRS UMR 8104, Paris, France
| | - Dominique Desplanches
- Institut Neuromyogène, Université Claude Bernard Lyon 1, Villeurbanne, France.,INSERM U1217, Villeurbanne, France.,CNRS UMR 5310, Villeurbanne, France
| | - Pascual Sanz
- Instituto de Biomedecina de Valencia, CSIC, Valencia, Spain
| | - Zizhao Zang
- Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Lin Yang
- Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Guillaume Vial
- INSERM U1042, Université Grenoble Alpes, La Tronche, France
| | - Benoit Viollet
- Université Paris Descartes, Paris, France.,School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.,INSERM U1016, Institut Cochin, Paris, France
| | - Kei Sakamoto
- Nestlé Institute of Health Sciences SA, Lausanne, Switzerland.,School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Anne Brunet
- Department of Genetic and the Cancer Biology Program, University of Stanford, Stanford, CA, USA
| | - Bénédicte Chazaud
- Institut Neuromyogène, Université Claude Bernard Lyon 1, Villeurbanne, France.,INSERM U1217, Villeurbanne, France.,CNRS UMR 5310, Villeurbanne, France
| | - Rémi Mounier
- Institut Neuromyogène, Université Claude Bernard Lyon 1, Villeurbanne, France .,INSERM U1217, Villeurbanne, France.,CNRS UMR 5310, Villeurbanne, France
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46
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Saclier M, Theret M, Mounier R, Chazaud B. Effects of Macrophage Conditioned-Medium on Murine and Human Muscle Cells: Analysis of Proliferation, Differentiation, and Fusion. Methods Mol Biol 2017; 1556:317-327. [PMID: 28247358 DOI: 10.1007/978-1-4939-6771-1_17] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Skeletal muscle is a highly plastic tissue, which is able to regenerate after an injury. Effective and complete regeneration requires interactions between myogenic precursor cells and several cell types such as macrophages . Bone marrow derived macrophages in mouse and monocyte-derived macrophages in human are useful tools to obtain macrophage populations that may be specifically activated/polarized in vitro (e.g., pro-inflammatory, anti-inflammatory, and alternatively activated macrophages ). In vitro , human or murine primary myogenic cells recapitulate the adult myogenesis program through proliferation, myogenic differentiation, and fusion. Macrophages being highly secreting cells, they act on various biological processes including adult myogenesis . Here, we present protocols to analyze in vitro the effect of macrophage-secreted factors on muscle cell proliferation or differentiation in both mouse and human.
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Affiliation(s)
- Marielle Saclier
- Department of Biosciences, University of Milan, 20133, Milan, Italy
| | - Marine Theret
- Institut NeuroMyoGène, INMG, Université Claude Bernard Lyon 1, INSERM U1217, CNRS UMR5310, Villeurbanne, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Rémi Mounier
- Institut NeuroMyoGène, INMG, Université Claude Bernard Lyon 1, INSERM U1217, CNRS UMR5310, Villeurbanne, France
- Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, INMG, Université Claude Bernard Lyon 1, INSERM U1217, CNRS UMR5310, Villeurbanne, France.
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47
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Latroche C, Gitiaux C, Chrétien F, Desguerre I, Mounier R, Chazaud B. Skeletal Muscle Microvasculature: A Highly Dynamic Lifeline. Physiology (Bethesda) 2016; 30:417-27. [PMID: 26525341 DOI: 10.1152/physiol.00026.2015] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Skeletal muscle is highly irrigated by blood vessels. Beyond oxygen and nutrient supply, new vessel functions have been identified. This review presents vessel microanatomy and functions at tissue, cellular, and molecular levels. Mechanisms of vessel plasticity are described during skeletal muscle development and acute regeneration, and in physiological and pathological contexts.
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Affiliation(s)
- Claire Latroche
- Institut Cochin, INSERM U1016, Paris, France; CNRS 8104, Paris, France; Université Paris Descartes, Paris, France; Institut Pasteur, Paris, France
| | - Cyril Gitiaux
- Institut Cochin, INSERM U1016, Paris, France; CNRS 8104, Paris, France; Université Paris Descartes, Paris, France; Institut Pasteur, Paris, France
| | | | - Isabelle Desguerre
- Institut Cochin, INSERM U1016, Paris, France; CNRS 8104, Paris, France; Université Paris Descartes, Paris, France
| | - Rémi Mounier
- CGPhyMC, CNRS UMR5534, Villeurbanne, France; and Université Claude Bernard Lyon1, Villeurbanne, France
| | - Bénédicte Chazaud
- Institut Cochin, INSERM U1016, Paris, France; CNRS 8104, Paris, France; Université Paris Descartes, Paris, France; CGPhyMC, CNRS UMR5534, Villeurbanne, France; and Université Claude Bernard Lyon1, Villeurbanne, France
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48
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Varga T, Mounier R, Horvath A, Cuvellier S, Dumont F, Poliska S, Ardjoune H, Juban G, Nagy L, Chazaud B. Highly Dynamic Transcriptional Signature of Distinct Macrophage Subsets during Sterile Inflammation, Resolution, and Tissue Repair. J Immunol 2016; 196:4771-82. [PMID: 27183604 DOI: 10.4049/jimmunol.1502490] [Citation(s) in RCA: 134] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Accepted: 03/29/2016] [Indexed: 11/19/2022]
Abstract
Macrophage gene expression determines phagocyte responses and effector functions. Macrophage plasticity has been mainly addressed in in vitro models that do not account for the environmental complexity observed in vivo. In this study, we show that microarray gene expression profiling revealed a highly dynamic landscape of transcriptomic changes of Ly6C(pos)CX3CR1(lo) and Ly6C(neg)CX3CR1(hi) macrophage populations during skeletal muscle regeneration after a sterile damage. Systematic gene expression analysis revealed that the time elapsed, much more than Ly6C status, was correlated with the largest differential gene expression, indicating that the time course of inflammation was the predominant driving force of macrophage gene expression. Moreover, Ly6C(pos)/Ly6C(neg) subsets could not have been aligned to canonical M1/M2 profiles. Instead, a combination of analyses suggested the existence of four main features of muscle-derived macrophages specifying important steps of regeneration: 1) infiltrating Ly6C(pos) macrophages expressed acute-phase proteins and exhibited an inflammatory profile independent of IFN-γ, making them damage-associated macrophages; 2) metabolic changes of macrophages, characterized by a decreased glycolysis and an increased tricarboxylic acid cycle/oxidative pathway, preceded the switch to and sustained their anti-inflammatory profile; 3) Ly6C(neg) macrophages, originating from skewed Ly6C(pos) cells, actively proliferated; and 4) later on, restorative Ly6C(neg) macrophages were characterized by a novel profile, indicative of secretion of molecules involved in intercellular communications, notably matrix-related molecules. These results show the highly dynamic nature of the macrophage response at the molecular level after an acute tissue injury and subsequent repair, and associate a specific signature of macrophages to predictive specialized functions of macrophages at each step of tissue injury/repair.
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Affiliation(s)
- Tamas Varga
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary
| | - Rémi Mounier
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, 69100 Villeurbanne, France; CNRS UMR 5510, 69100 Villeurbanne, France; INSERM U1217, 69100 Villeurbanne, France
| | - Attila Horvath
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary
| | - Sylvain Cuvellier
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France
| | - Florent Dumont
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France
| | - Szilard Poliska
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; Bioinformatics Core Facility, University of Debrecen, 4032 Debrecen, Hungary
| | - Hamida Ardjoune
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France
| | - Gaëtan Juban
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, 69100 Villeurbanne, France; CNRS UMR 5510, 69100 Villeurbanne, France; INSERM U1217, 69100 Villeurbanne, France
| | - Laszlo Nagy
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; Sanford Burnham Prebys Medical Discovery Institute, Orlando, FL 32827; and Hungarian Academy of Sciences - Debrecen "Lendulet" Immunogenomics Research Group, University of Debrecen, 4032 Debrecen, Hungary
| | - Bénédicte Chazaud
- Institut NeuroMyoGène, Université Claude Bernard Lyon 1, 69100 Villeurbanne, France; CNRS UMR 5510, 69100 Villeurbanne, France; INSERM U1217, 69100 Villeurbanne, France; INSERM U1016, Institut Cochin, 75014 Paris, France;
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49
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Weiss-Gayet M, Starck J, Chaabouni A, Chazaud B, Morlé F. Notch Stimulates Both Self-Renewal and Lineage Plasticity in a Subset of Murine CD9High Committed Megakaryocytic Progenitors. PLoS One 2016; 11:e0153860. [PMID: 27089435 PMCID: PMC4835090 DOI: 10.1371/journal.pone.0153860] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [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: 09/29/2015] [Accepted: 04/05/2016] [Indexed: 01/24/2023] Open
Abstract
This study aimed at reinvestigating the controversial contribution of Notch signaling to megakaryocytic lineage development. For that purpose, we combined colony assays and single cells progeny analyses of purified megakaryocyte-erythroid progenitors (MEP) after short-term cultures on recombinant Notch ligand rDLL1. We showed that Notch activation stimulated the SCF-dependent and preferential amplification of Kit+ erythroid and bipotent progenitors while favoring commitment towards the erythroid at the expense of megakaryocytic lineage. Interestingly, we also identified a CD9High MEP subset that spontaneously generated almost exclusively megakaryocytic progeny mainly composed of single megakaryocytes. We showed that Notch activation decreased the extent of polyploidization and maturation of megakaryocytes, increased the size of megakaryocytic colonies and surprisingly restored the generation of erythroid and mixed colonies by this CD9High MEP subset. Importantly, the size increase of megakaryocytic colonies occurred at the expense of the production of single megakaryocytes and the restoration of colonies of alternative lineages occurred at the expense of the whole megakaryocytic progeny. Altogether, these results indicate that Notch activation is able to extend the number of divisions of MK-committed CD9High MEPs before terminal maturation while allowing a fraction of them to generate alternative lineages. This unexpected plasticity of MK-committed progenitors revealed upon Notch activation helps to better understand the functional promiscuity between megakaryocytic lineage and hematopoietic stem cells.
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Affiliation(s)
- Michèle Weiss-Gayet
- Institut NeuroMyoGène (INMG), Université Claude Bernard Lyon1, Villeurbanne, France
- INSERM U1217, Villeurbanne, France
- CNRS UMR 5310, Villeurbanne, France
| | - Joëlle Starck
- Institut NeuroMyoGène (INMG), Université Claude Bernard Lyon1, Villeurbanne, France
- INSERM U1217, Villeurbanne, France
- CNRS UMR 5310, Villeurbanne, France
| | - Azza Chaabouni
- Institut NeuroMyoGène (INMG), Université Claude Bernard Lyon1, Villeurbanne, France
- INSERM U1217, Villeurbanne, France
- CNRS UMR 5310, Villeurbanne, France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène (INMG), Université Claude Bernard Lyon1, Villeurbanne, France
- INSERM U1217, Villeurbanne, France
- CNRS UMR 5310, Villeurbanne, France
| | - François Morlé
- Institut NeuroMyoGène (INMG), Université Claude Bernard Lyon1, Villeurbanne, France
- INSERM U1217, Villeurbanne, France
- CNRS UMR 5310, Villeurbanne, France
- * E-mail:
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50
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Arnold L, Perrin H, de Chanville CB, Saclier M, Hermand P, Poupel L, Guyon E, Licata F, Carpentier W, Vilar J, Mounier R, Chazaud B, Benhabiles N, Boissonnas A, Combadiere B, Combadiere C. CX3CR1 deficiency promotes muscle repair and regeneration by enhancing macrophage ApoE production. Nat Commun 2015; 6:8972. [PMID: 26632270 PMCID: PMC4686853 DOI: 10.1038/ncomms9972] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 10/21/2015] [Indexed: 01/22/2023] Open
Abstract
Muscle injury triggers inflammation in which infiltrating mononuclear phagocytes are crucial for tissue regeneration. The interaction of the CCL2/CCR2 and CX3CL1/CX3CR1 chemokine axis that guides phagocyte infiltration is incompletely understood. Here, we show that CX3CR1 deficiency promotes muscle repair and rescues Ccl2−/− mice from impaired muscle regeneration as a result of altered macrophage function, not infiltration. Transcriptomic analysis of muscle mononuclear phagocytes reveals that Apolipoprotein E (ApoE) is upregulated in mice with efficient regeneration. ApoE treatment enhances phagocytosis by mononuclear phagocytes in vitro, and restores phagocytic activity and muscle regeneration in Ccl2−/− mice. Because CX3CR1 deficiency may compensate for defective CCL2-dependant monocyte recruitment by modulating ApoE-dependent macrophage phagocytic activity, targeting CX3CR1 expressed by macrophages might be a powerful therapeutic approach to improve muscle regeneration. Chemokine-driven infiltration of inflammatory macrophages is central to the muscle regenerative response to injury. Here the authors show that the function of infiltrating macrophages is also important as notexin-induced muscle injury in mice is rescued by CX3CR1 knockout owing to enhanced ApoE production.
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Affiliation(s)
- Ludovic Arnold
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - Hélène Perrin
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - Camille Baudesson de Chanville
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - Marielle Saclier
- Inserm, U1016, Institut Cochin, 22 Rue Méchain, F-75014 Paris, France.,CNRS, UMR8104, 22 Rue Méchain, F-75014 Paris, France.,University of Paris Descartes, Sorbonne Paris Cite, F-75006 Paris, France
| | - Patricia Hermand
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - Lucie Poupel
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - Elodie Guyon
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - Fabrice Licata
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - Wassila Carpentier
- Sorbonne Universités, UPMC Univ Paris 06, Plateforme Post-Génomique de la Pitié-Salpêtrière (P3S), UMS2 Omique, INSERM US029, 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - José Vilar
- Paris Centre de Recherche Cardiovasculaire (PARCC) - HEGP, 56 Rue Leblanc, F-75015 Paris, France
| | - Rémi Mounier
- Inserm, U1016, Institut Cochin, 22 Rue Méchain, F-75014 Paris, France.,CNRS, UMR8104, 22 Rue Méchain, F-75014 Paris, France.,University of Paris Descartes, Sorbonne Paris Cite, F-75006 Paris, France
| | - Bénédicte Chazaud
- Inserm, U1016, Institut Cochin, 22 Rue Méchain, F-75014 Paris, France.,CNRS, UMR8104, 22 Rue Méchain, F-75014 Paris, France.,University of Paris Descartes, Sorbonne Paris Cite, F-75006 Paris, France
| | - Nora Benhabiles
- CEA, List institute CEA Saclay, Digitéo Labs, PC192, F-91191 Gif-sur-Yvette, Cedex, France
| | - Alexandre Boissonnas
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - Béhazine Combadiere
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
| | - Christophe Combadiere
- Sorbonne Universités, UPMC Univ Paris 06, Inserm, U1135, CNRS, ERL 8255, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), 91 Boulevard de l'Hôpital, F-75013 Paris, France
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