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Rodríguez C, Timóteo-Ferreira F, Minchiotti G, Brunelli S, Guardiola O. Cellular interactions and microenvironment dynamics in skeletal muscle regeneration and disease. Front Cell Dev Biol 2024; 12:1385399. [PMID: 38840849 PMCID: PMC11150574 DOI: 10.3389/fcell.2024.1385399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 04/30/2024] [Indexed: 06/07/2024] Open
Abstract
Skeletal muscle regeneration relies on the intricate interplay of various cell populations within the muscle niche-an environment crucial for regulating the behavior of muscle stem cells (MuSCs) and ensuring postnatal tissue maintenance and regeneration. This review delves into the dynamic interactions among key players of this process, including MuSCs, macrophages (MPs), fibro-adipogenic progenitors (FAPs), endothelial cells (ECs), and pericytes (PCs), each assuming pivotal roles in orchestrating homeostasis and regeneration. Dysfunctions in these interactions can lead not only to pathological conditions but also exacerbate muscular dystrophies. The exploration of cellular and molecular crosstalk among these populations in both physiological and dystrophic conditions provides insights into the multifaceted communication networks governing muscle regeneration. Furthermore, this review discusses emerging strategies to modulate the muscle-regenerating niche, presenting a comprehensive overview of current understanding and innovative approaches.
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Affiliation(s)
- Cristina Rodríguez
- Stem Cell Fate Laboratory, Institute of Genetics and Biophysics “A. Buzzati-Traverso”, CNR, Naples, Italy
| | | | - Gabriella Minchiotti
- Stem Cell Fate Laboratory, Institute of Genetics and Biophysics “A. Buzzati-Traverso”, CNR, Naples, Italy
| | - Silvia Brunelli
- School of Medicine and Surgery, University of Milano Bicocca, Milan, Italy
| | - Ombretta Guardiola
- Stem Cell Fate Laboratory, Institute of Genetics and Biophysics “A. Buzzati-Traverso”, CNR, Naples, Italy
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2
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Zilio F, Di Fusco SA, Flori M, Malvezzi Caracciolo D'Aquino M, Pollarolo L, Ingianni N, Lucà F, Riccio C, Gulizia MM, Gabrielli D, Oliva F, Colivicchi F. Physical activity and the heart: from well-established cardiovascular benefits to possible adverse effects. Trends Cardiovasc Med 2024; 34:18-25. [PMID: 35738324 DOI: 10.1016/j.tcm.2022.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 06/12/2022] [Accepted: 06/17/2022] [Indexed: 12/12/2022]
Abstract
The favorable effects of physical activity on the cardiovascular system have been well described in scientific literature. Physical activity reduces cardiovascular morbidity and mortality in both healthy subjects and in patients with cardiovascular disease. However, different intensity levels of physical activity have a different impact on the cardiovascular system. Some data support the hypothesis of a "physical activity paradox": repetitive exposure to vigorous physical activity may induce biological effects that counteract the benefits of moderate intensity levels of physical activity. In this review, we report the main effects of acute and chronic physical activity on the cardiovascular system and we summarize the biochemical mechanisms that may explain these effects.
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Affiliation(s)
- Filippo Zilio
- Department of Cardiology, Santa Chiara Hospital, APSS, Trento Italy.
| | | | - Marco Flori
- Cardiology Unit, Presidio Ospedaliero Unico Urbino, Urbino, Italy
| | | | - Luigi Pollarolo
- Cardiology Unit, Santo Spirito Hospital, Casale Monferrato, Italy
| | - Nadia Ingianni
- Cardiologo ASP Trapani Distretti Marsala e Castelvetrano, Marsala, Italy
| | - Fabiana Lucà
- Division of Cardiology, Big Metropolitan Hospital, Bianchi Melacrino Morelli, Reggio Calabria, Italy
| | - Carmine Riccio
- UOSD "Follow up del paziente post acuto", Dipartimento Cardiovascolare, Azienda Ospedaliera Sant'Anna e San Sebastiano, Caserta, Italy
| | - Michele Massimo Gulizia
- Cardiology Division, Garibaldi-Nesima Hospital, Catania, Italy; ANMCO Heart Care Foundation, Florence, Italy
| | - Domenico Gabrielli
- Cardiology/CCU Unit, Cardiovascular Department, San Camillo Hospital, Rome, Italy
| | - Fabrizio Oliva
- De Gasperis Cardio Center, Niguarda Hospital, Milano, Italy
| | - Furio Colivicchi
- Clinical and Rehabilitation Cardiology Unit, San Filippo Neri Hospital, Rome, Italy
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3
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Tu H, Li YL. Inflammation balance in skeletal muscle damage and repair. Front Immunol 2023; 14:1133355. [PMID: 36776867 PMCID: PMC9909416 DOI: 10.3389/fimmu.2023.1133355] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 01/12/2023] [Indexed: 01/27/2023] Open
Abstract
Responding to tissue injury, skeletal muscles undergo the tissue destruction and reconstruction accompanied with inflammation. The immune system recognizes the molecules released from or exposed on the damaged tissue. In the local minor tissue damage, tissue-resident macrophages sequester pro-inflammatory debris to prevent initiation of inflammation. In most cases of the skeletal muscle injury, however, a cascade of inflammation will be initiated through activation of local macrophages and mast cells and recruitment of immune cells from blood circulation to the injured site by recongnization of damage-associated molecular patterns (DAMPs) and activated complement system. During the inflammation, macrophages and neutrophils scavenge the tissue debris to release inflammatory cytokines and the latter stimulates myoblast fusion and vascularization to promote injured muscle repair. On the other hand, an abundance of released inflammatory cytokines and chemokines causes the profound hyper-inflammation and mobilization of immune cells to trigger a vicious cycle and lead to the cytokine storm. The cytokine storm results in the elevation of cytolytic and cytotoxic molecules and reactive oxygen species (ROS) in the damaged muscle to aggravates the tissue injury, including the healthy bystander tissue. Severe inflammation in the skeletal muscle can lead to rhabdomyolysis and cause sepsis-like systemic inflammation response syndrome (SIRS) and remote organ damage. Therefore, understanding more details on the involvement of inflammatory factors and immune cells in the skeletal muscle damage and repair can provide the new precise therapeutic strategies, including attenuation of the muscle damage and promotion of the muscle repair.
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4
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Wang X, Zhou L. The Many Roles of Macrophages in Skeletal Muscle Injury and Repair. Front Cell Dev Biol 2022; 10:952249. [PMID: 35898401 PMCID: PMC9309511 DOI: 10.3389/fcell.2022.952249] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 06/23/2022] [Indexed: 12/24/2022] Open
Abstract
Skeletal muscle is essential to physical activity and energy metabolism. Maintaining intact functions of skeletal muscle is crucial to health and wellbeing. Evolutionarily, skeletal muscle has developed a remarkable capacity to maintain homeostasis and to regenerate after injury, which indispensably relies on the resident muscle stem cells, satellite cells. Satellite cells are largely quiescent in the homeostatic steady state. They are activated in response to muscle injury. Activated satellite cells proliferate and differentiate into myoblasts. Myoblasts fuse to form myotubes which further grow and differentiate into mature myofibers. This process is tightly regulated by muscle microenvironment that consists of multiple cellular and molecular components, including macrophages. Present in both homeostatic and injured muscles, macrophages contain heterogeneous functional subtypes that play diverse roles in maintaining homeostasis and promoting injury repair. The spatial-temporal presence of different functional subtypes of macrophages and their interactions with myogenic cells are vital to the proper regeneration of skeletal muscle after injury. However, this well-coordinated process is often disrupted in a chronic muscle disease, such as muscular dystrophy, leading to asynchronous activation and differentiation of satellite cells and aberrant muscle regeneration. Understanding the precise cellular and molecular processes regulating interactions between macrophages and myogenic cells is critical to the development of therapeutic manipulation of macrophages to promote injury repair. Here, we review the current knowledge of the many roles played by macrophages in the regulation of myogenic cells in homeostatic, regenerating, and dystrophic skeletal muscles.
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5
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Alshoubaki YK, Nayer B, Das S, Martino MM. OUP accepted manuscript. Stem Cells Transl Med 2022; 11:248-258. [PMID: 35303109 PMCID: PMC8968657 DOI: 10.1093/stcltm/szab022] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 11/09/2021] [Indexed: 12/04/2022] Open
Abstract
Numerous components of the immune system, including inflammatory mediators, immune cells and cytokines, have a profound modulatory effect on the homeostatic regulation and regenerative activity of endogenous stem cells and progenitor cells. Thus, understanding how the immune system interacts with stem/progenitor cells could build the foundation to design novel and more effective regenerative therapies. Indeed, utilizing and controlling immune system components may be one of the most effective approaches to promote tissue regeneration. In this review, we first summarize the effects of various immune cell types on endogenous stem/progenitor cells, focusing on the tissue healing context. Then, we present interesting regenerative strategies that control or mimic the effect of immune components on stem/progenitor cells, in order to enhance the regenerative capacity of endogenous and transplanted stem cells. We highlight the potential clinical translation of such approaches for multiple tissues and organ systems, as these novel regenerative strategies could considerably improve or eventually substitute stem cell-based therapies. Overall, harnessing the power of the cross-talk between the immune system and stem/progenitor cells holds great potential for the development of novel and effective regenerative therapies.
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Affiliation(s)
- Yasmin K Alshoubaki
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Bhavana Nayer
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Surojeet Das
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
| | - Mikaël M Martino
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia
- Laboratory of Host Defense, World Premier Institute Immunology Frontier Research Center, Osaka University, Osaka, Japan
- Corresponding author: Mikaël M. Martino, Martino Lab, Australian Regenerative Medicine Institute, 15 Innovation Walk, Level 1, Monash University, Victoria 3800, Australia;
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6
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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] [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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7
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Macrophages in heterotopic ossification: from mechanisms to therapy. NPJ Regen Med 2021; 6:70. [PMID: 34702860 PMCID: PMC8548514 DOI: 10.1038/s41536-021-00178-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 09/30/2021] [Indexed: 01/04/2023] Open
Abstract
Heterotopic ossification (HO) is the formation of extraskeletal bone in non-osseous tissues. It is caused by an injury that stimulates abnormal tissue healing and regeneration, and inflammation is involved in this process. It is worth noting that macrophages are crucial mediators of inflammation. In this regard, abundant macrophages are recruited to the HO site and contribute to HO progression. Macrophages can acquire different functional phenotypes and promote mesenchymal stem cell (MSC) osteogenic differentiation, chondrogenic differentiation, and angiogenesis by expressing cytokines and other factors such as the transforming growth factor-β1 (TGF-β1), bone morphogenetic protein (BMP), activin A (Act A), oncostatin M (OSM), substance P (SP), neurotrophin-3 (NT-3), and vascular endothelial growth factor (VEGF). In addition, macrophages significantly contribute to the hypoxic microenvironment, which primarily drives HO progression. Thus, these have led to an interest in the role of macrophages in HO by exploring whether HO is a "butterfly effect" event. Heterogeneous macrophages are regarded as the "butterflies" that drive a sequence of events and ultimately promote HO. In this review, we discuss how the recruitment of macrophages contributes to HO progression. In particular, we review the molecular mechanisms through which macrophages participate in MSC osteogenic differentiation, angiogenesis, and the hypoxic microenvironment. Understanding the diverse role of macrophages may unveil potential targets for the prevention and treatment of HO.
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8
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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] [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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9
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Di Benedetto P, Ruscitti P, Berardicurti O, Vomero M, Navarini L, Dolo V, Cipriani P, Giacomelli R. Endothelial-to-mesenchymal transition in systemic sclerosis. Clin Exp Immunol 2021; 205:12-27. [PMID: 33772754 DOI: 10.1111/cei.13599] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/19/2021] [Indexed: 12/14/2022] Open
Abstract
Systemic sclerosis (SSc) is an autoimmune disease characterized by significant vascular alterations and multi-organ fibrosis. Microvascular alterations are the first event of SSc and injured endothelial cells (ECs) may transdifferentiate towards myofibroblasts, the cells responsible for fibrosis and collagen deposition. This process is identified as endothelial-to-mesenchymal transition (EndMT), and understanding of its development is pivotal to identify early pathogenetic events and new therapeutic targets for SSc. In this review, we have highlighted the molecular mechanisms of EndMT and summarize the evidence of the role played by EndMT during the development of progressive fibrosis in SSc, also exploring the possible therapeutic role of its inhibition.
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Affiliation(s)
- P Di Benedetto
- Clinical Pathology Unit, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - P Ruscitti
- Division of Rheumatology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - O Berardicurti
- Division of Rheumatology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - M Vomero
- Unit of Rheumatology and Clinical Immunology, University of Rome 'Campus Biomedico', Rome, Italy
| | - L Navarini
- Unit of Rheumatology and Clinical Immunology, University of Rome 'Campus Biomedico', Rome, Italy
| | - V Dolo
- Clinical Pathology Unit, Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - P Cipriani
- Division of Rheumatology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - R Giacomelli
- Unit of Rheumatology and Clinical Immunology, University of Rome 'Campus Biomedico', Rome, Italy
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10
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Abstract
Macrophages are instrumental for the repair of organs that become injured due to ischemia, yet their potential for healing is sensitive to the availability of metabolites from the surrounding milieu. This sensitivity extends beyond anabolic and catabolic reactions, as metabolites are also leveraged to control production of secreted factors that direct intercellular crosstalk. In response to limiting extracellular oxygen, acute-phase macrophages activate hypoxia-inducible transcription factors that repurpose cellular metabolism. Subsequent repair-phase macrophages secrete cytokines to activate stromal cells, the latter which contribute to matrix deposition and scarring. As we now appreciate, these distinct functions are calibrated by directing flux of carbons and cofactors into specific metabolic shunts. This occurs through glycolysis, the pentose phosphate shunt, the tricarboxylic acid cycle, oxidative phosphorylation, nicotinamide adenine dinucleotides, lipids, amino acids, and through lesser understood pathways. The integration of metabolism with macrophage function is particularly important during injury to the ischemic heart, as glucose and lipid imbalance lead to inefficient repair and permanent loss of non-regenerative muscle. Here we review macrophage metabolic signaling under ischemic stress with implications for cardiac repair.
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Affiliation(s)
- Edward B Thorp
- Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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11
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Salnikov L, Baramiya MG. From Autonomy to Integration, From Integration to Dynamically Balanced Integrated Co-existence: Non-aging as the Third Stage of Development. FRONTIERS IN AGING 2021; 2:655315. [PMID: 35822034 PMCID: PMC9261420 DOI: 10.3389/fragi.2021.655315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 02/02/2021] [Indexed: 01/03/2023]
Abstract
Reversible senescence at the cellular level emerged together with tissue specialization in Metazoans. However, this reversibility (ability to permanently rejuvenate) through recapitulation of early stages of development, was originally a part of ontogenesis, since the pressure of integrativeness was not dominant. The complication of specialization in phylogenesis narrowed this "freedom of maneuver", gradually "truncating" remorphogenesis to local epimorphosis and further up to the complete disappearance of remorphogenesis from the ontogenesis repertoire. This evolutionary trend transformed cellular senescence into organismal aging and any recapitulation of autonomy into carcinogenesis. The crown of specialization, Homo sapiens, completed this post-unicellular stage of development, while in the genome all the potential for the next stage of development, which can be called the stage of balanced coexistence of autonomous and integrative dominants within a single whole. Here, completing the substantiation of the new section of developmental biology, we propose to call it Developmental Biogerontology.
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Affiliation(s)
- Lev Salnikov
- SibEnzyme US LLC, West Roxbury, MA, United States
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12
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De Micheli AJ, Laurilliard EJ, Heinke CL, Ravichandran H, Fraczek P, Soueid-Baumgarten S, De Vlaminck I, Elemento O, Cosgrove BD. Single-Cell Analysis of the Muscle Stem Cell Hierarchy Identifies Heterotypic Communication Signals Involved in Skeletal Muscle Regeneration. Cell Rep 2021; 30:3583-3595.e5. [PMID: 32160558 DOI: 10.1016/j.celrep.2020.02.067] [Citation(s) in RCA: 179] [Impact Index Per Article: 59.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 12/12/2019] [Accepted: 02/14/2020] [Indexed: 12/15/2022] Open
Abstract
Muscle regeneration relies on the regulation of muscle stem cells (MuSCs) through paracrine signaling interactions. We analyzed muscle regeneration in mice using single-cell RNA sequencing (scRNA-seq) and generated over 34,000 single-cell transcriptomes spanning four time-points. We identified 15 distinct cell types including heterogenous populations of muscle stem and progenitor cells. We resolved a hierarchical map of these myogenic cells by trajectory inference and observed stage-specific regulatory programs within this continuum. Through ligand-receptor interaction analysis, we identified over 100 candidate regeneration-associated paracrine communication pairs between MuSCs and non-myogenic cells. We show that myogenic stem/progenitor cells exhibit heterogeneous expression of multiple Syndecan proteins in cycling myogenic cells, suggesting that Syndecans may coordinate myogenic fate regulation. We performed ligand stimulation in vitro and confirmed that three paracrine factors (FGF2, TGFβ1, and RSPO3) regulate myogenic cell proliferation in a Syndecan-dependent manner. Our study provides a scRNA-seq reference resource to investigate cell communication interactions in muscle regeneration.
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Affiliation(s)
- Andrea J De Micheli
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA; Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Emily J Laurilliard
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Charles L Heinke
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Hiranmayi Ravichandran
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Paula Fraczek
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | | | - Iwijn De Vlaminck
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Olivier Elemento
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY 10021, USA; WorldQuant Initiative for Quantitative Prediction, Weill Cornell Medicine, New York, NY 10021, USA
| | - Benjamin D Cosgrove
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA.
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13
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Iavarone F, Guardiola O, Scagliola A, Andolfi G, Esposito F, Serrano A, Perdiguero E, Brunelli S, Muñoz-Cánoves P, Minchiotti G. Cripto shapes macrophage plasticity and restricts EndMT in injured and diseased skeletal muscle. EMBO Rep 2020; 21:e49075. [PMID: 32107853 PMCID: PMC7132341 DOI: 10.15252/embr.201949075] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 02/06/2020] [Accepted: 02/10/2020] [Indexed: 12/24/2022] Open
Abstract
Macrophages are characterized by a high plasticity in response to changes in tissue microenvironment, which allows them to acquire different phenotypes and to exert essential functions in complex processes, such as tissue regeneration. Here, we report that the membrane protein Cripto plays a key role in shaping macrophage plasticity in skeletal muscle during regeneration and disease. Conditional deletion of Cripto in the myeloid lineage (CriptoMy‐LOF) perturbs MP plasticity in acutely injured muscle and in mouse models of Duchenne muscular dystrophy (mdx). Specifically, CriptoMy‐LOF macrophages infiltrate the muscle, but fail to properly expand as anti‐inflammatory CD206+ macrophages, which is due, at least in part, to aberrant activation of TGFβ/Smad signaling. This reduction in macrophage plasticity disturbs vascular remodeling by increasing Endothelial‐to‐Mesenchymal Transition (EndMT), reduces muscle regenerative potential, and leads to an exacerbation of the dystrophic phenotype. Thus, in muscle‐infiltrating macrophages, Cripto is required to promote the expansion of the CD206+ anti‐inflammatory macrophage type and to restrict the EndMT process, providing a direct functional link between this macrophage population and endothelial cells.
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Affiliation(s)
- Francescopaolo Iavarone
- Stem Cell Fate Laboratory, CNR, Institute of Genetics and Biophysics "A. Buzzati-Traverso", Naples, Italy
| | - Ombretta Guardiola
- Stem Cell Fate Laboratory, CNR, Institute of Genetics and Biophysics "A. Buzzati-Traverso", Naples, Italy
| | | | - Gennaro Andolfi
- Stem Cell Fate Laboratory, CNR, Institute of Genetics and Biophysics "A. Buzzati-Traverso", Naples, Italy
| | - Federica Esposito
- Stem Cell Fate Laboratory, CNR, Institute of Genetics and Biophysics "A. Buzzati-Traverso", Naples, Italy
| | - Antonio Serrano
- Cell Biology Group, Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - Eusebio Perdiguero
- Cell Biology Group, Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain
| | - Silvia Brunelli
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Pura Muñoz-Cánoves
- Cell Biology Group, Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain.,Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Gabriella Minchiotti
- Stem Cell Fate Laboratory, CNR, Institute of Genetics and Biophysics "A. Buzzati-Traverso", Naples, Italy
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14
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Macrophages fine tune satellite cell fate in dystrophic skeletal muscle of mdx mice. PLoS Genet 2019; 15:e1008408. [PMID: 31626629 PMCID: PMC6821135 DOI: 10.1371/journal.pgen.1008408] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 10/30/2019] [Accepted: 09/10/2019] [Indexed: 12/22/2022] Open
Abstract
Satellite cells (SCs) are muscle stem cells that remain quiescent during homeostasis and are activated in response to acute muscle damage or in chronic degenerative conditions such as Duchenne Muscular Dystrophy. The activity of SCs is supported by specialized cells which either reside in the muscle or are recruited in regenerating skeletal muscles, such as for instance macrophages (MΦs). By using a dystrophic mouse model of transient MΦ depletion, we describe a shift in identity of muscle stem cells dependent on the crosstalk between MΦs and SCs. Indeed MΦ depletion determines adipogenic conversion of SCs and exhaustion of the SC pool leading to an exacerbated dystrophic phenotype. The reported data could also provide new insights into therapeutic approaches targeting inflammation in dystrophic muscles. Muscular dystrophies are a heterogenous group of genetic disorders characterized by muscle wasting, leading to loss of mobility and eventually to death due to respiratory or cardiac failure. Duchenne Muscular Dystrophy (DMD) is one of the most severe dystrophies and is caused by the loss of functional dystrophin protein owing to genetic mutations, consequently, the sarcolemma becomes fragile and susceptible to muscle damage induced by contraction. Satellite cells (SCs) are skeletal muscle stem cells that mediate the repair process leading to muscle regeneration. Dystrophic muscles undergo continuous cycles of degeneration and regeneration eventually culminating in myofiber loss and deposition of fibrous and fatty connective tissue. Inflammation is always associated with the muscle regeneration process. Among different types of inflammatory cells, mainly macrophages (MΦs) are present in regenerating skeletal muscles and are involved in the regenerative process both after an acute injury and during pathological conditions such as DMD. We focused on the cross-talk between MΦs and SCs in a mouse model of DMD and highlighted a role of MΦs in preserving the SC identity.
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15
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Zhang C, Hsu P, Wang D, Zhang W, Zhang C, Guo S, Yang W, Wei X, Zhang Y, Zhong B. Superparamagnetic iron oxide (SPIO) nanoparticles labeled endothelial progenitor cells (EPCs) administration inhibited heterotopic ossification in rats. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2019; 21:102078. [DOI: 10.1016/j.nano.2019.102078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 07/27/2019] [Accepted: 07/29/2019] [Indexed: 02/05/2023]
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16
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Oishi Y, Manabe I. Macrophages in inflammation, repair and regeneration. Int Immunol 2019; 30:511-528. [PMID: 30165385 DOI: 10.1093/intimm/dxy054] [Citation(s) in RCA: 328] [Impact Index Per Article: 65.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 08/22/2018] [Indexed: 12/12/2022] Open
Abstract
Tissue injury triggers a complex series of cellular responses, starting from inflammation activated by tissue and cell damage and proceeding to healing. By clearing cell debris, activating and resolving inflammation and promoting fibrosis, macrophages play key roles in most, if not all, phases of the response to injury. Recent studies of the mechanisms underlying the initial inflammation and later tissue regeneration and repair revealed that macrophages bridge these processes in part by supporting and activating stem/progenitor cells, clearing damaged tissue, remodeling extracellular matrix to prepare scaffolding for regeneration and promoting angiogenesis. However, macrophages also have a central role in the development of pathology induced by failed resolution (e.g. chronic inflammation) and excessive scarring. In this review, we summarize the activities of macrophages in inflammation and healing in response to acute injury in tissues with differing regenerative capacities. While macrophages lead similar processes in response to tissue injury in these tissues, their priorities and the consequences of their activities differ among tissues. Moreover, the magnitude, nature and duration of injury also greatly affect cellular responses and healing processes. In particular, continuous injury and/or failed resolution of inflammation leads to chronic ailments in which macrophage activities may become detrimental.
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Affiliation(s)
- Yumiko Oishi
- Department of Biochemistry & Molecular Biology, Nippon Medical School, Bunkyo-ku, Tokyo, Japan
| | - Ichiro Manabe
- Department of Disease Biology and Molecular Medicine, Chiba University Graduate School of Medicine, Chuo-ku, Chiba, Japan
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17
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Abstract
Endothelial cells and mesenchymal cells are two different cell types with distinct morphologies, phenotypes, functions, and gene profiles. Accumulating evidence, notably from lineage-tracing studies, indicates that the two cell types convert into each other during cardiovascular development and pathogenesis. During heart development, endothelial cells transdifferentiate into mesenchymal cells in the endocardial cushion through endothelial-to-mesenchymal transition (EndoMT), a process that is critical for the formation of cardiac valves. Studies have also reported that EndoMT contributes to the development of various cardiovascular diseases, including myocardial infarction, cardiac fibrosis, valve calcification, endocardial elastofibrosis, atherosclerosis, and pulmonary arterial hypertension. Conversely, cardiac fibroblasts can transdifferentiate into endothelial cells and contribute to neovascularization after cardiac injury. However, progress in genetic lineage tracing has challenged the role of EndoMT, or its reversed programme, in the development of cardiovascular diseases. In this Review, we discuss the caveats of using genetic lineage-tracing technology to investigate cell-lineage conversion; we also reassess the role of EndoMT in cardiovascular development and diseases and elaborate on the molecular signals that orchestrate EndoMT in pathophysiological processes. Understanding the role and mechanisms of EndoMT in diseases will unravel the therapeutic potential of targeting this process and will provide a new paradigm for the development of regenerative medicine to treat cardiovascular diseases.
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18
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Tirone M, Giovenzana A, Vallone A, Zordan P, Sormani M, Nicolosi PA, Meneveri R, Gigliotti CR, Spinelli AE, Bocciardi R, Ravazzolo R, Cifola I, Brunelli S. Severe Heterotopic Ossification in the Skeletal Muscle and Endothelial Cells Recruitment to Chondrogenesis Are Enhanced by Monocyte/Macrophage Depletion. Front Immunol 2019; 10:1640. [PMID: 31396210 PMCID: PMC6662553 DOI: 10.3389/fimmu.2019.01640] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 07/01/2019] [Indexed: 01/04/2023] Open
Abstract
Altered macrophage infiltration upon tissue damage results in inadequate healing due to inappropriate remodeling and stem cell recruitment and differentiation. We investigated in vivo whether cells of endothelial origin phenotypically change upon heterotopic ossification induction and whether infiltration of innate immunity cells influences their commitment and alters the ectopic bone formation. Liposome-encapsulated clodronate was used to assess macrophage impact on endothelial cells in the skeletal muscle upon acute damage in the ECs specific lineage-tracing Cdh5CreERT2:R26REYFP/dtTomato transgenic mice. Macrophage depletion in the injured skeletal muscle partially shifts the fate of ECs toward endochondral differentiation. Upon ectopic stimulation of BMP signaling, monocyte depletion leads to an enhanced contribution of ECs chondrogenesis and to ectopic bone formation, with increased bone volume and density, that is reversed by ACVR1/SMAD pathway inhibitor dipyridamole. This suggests that macrophages contribute to preserve endothelial fate and to limit the bone lesion in a BMP/injury-induced mouse model of heterotopic ossification. Therefore, alterations of the macrophage-endothelial axis may represent a novel target for molecular intervention in heterotopic ossification.
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Affiliation(s)
- Mario Tirone
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.,Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy
| | - Anna Giovenzana
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.,Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy
| | - Arianna Vallone
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Paola Zordan
- Division of Regenerative Medicine, San Raffaele Scientific Institute, Milan, Italy
| | - Martina Sormani
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | | | - Raffaela Meneveri
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | | | - Antonello E Spinelli
- Centre for Experimental Imaging, San Raffaele Scientific Institute, Milan, Italy
| | - Renata Bocciardi
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Università degli Studi di Genova, Genova, Italy.,U.O.C. Genetica Medica, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Roberto Ravazzolo
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Università degli Studi di Genova, Genova, Italy.,U.O.C. Genetica Medica, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Ingrid Cifola
- Institute for Biomedical Technologies (ITB), National Research Council (CNR), Milan, Italy
| | - Silvia Brunelli
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
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19
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Nicolosi PA, Tombetti E, Giovenzana A, Donè E, Pulcinelli E, Meneveri R, Tirone M, Maugeri N, Rovere-Querini P, Manfredi AA, Brunelli S. Macrophages Guard Endothelial Lineage by Hindering Endothelial-to-Mesenchymal Transition: Implications for the Pathogenesis of Systemic Sclerosis. THE JOURNAL OF IMMUNOLOGY 2019; 203:247-258. [PMID: 31127033 DOI: 10.4049/jimmunol.1800883] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 04/23/2019] [Indexed: 11/19/2022]
Abstract
The signals that control endothelial plasticity in inflamed tissues have only been partially characterized. For example, it has been shown that inadequate vasculogenesis in systemic sclerosis (SSc) has been associated with an endothelial defect. We used a genetic lineage tracing model to investigate whether endothelial cells die or change phenotypically after fibrosis induction and whether signals released by cells of the innate immune system and in the blood of patients influence their commitment. We observed that in the lineage-tracing transgenic mice Cdh5-CreERT2::R26R-EYFP, endothelial-derived cells (EdCs) underwent fibrosis after treatment with bleomycin, and EdCs retrieved from the lung showed expression of endothelial-to-mesenchymal transition (EndoMT) markers. Liposome-encapsulated clodronate was used to assess macrophage impact on EdCs. Clodronate treatment affected the number of alternatively activated macrophages in the lung, with upregulated expression of EndoMT markers in lung EdCs. Endothelial fate and function were investigated in vitro upon challenge with serum signals from SSc patients or released by activated macrophages. Sera of SSc patients with anti-Scl70 Abs, at higher risk of visceral organ fibrosis, induced EndoMT and jeopardized endothelial function. In conclusion, EdCs in SSc might be defective because of commitment to a mesenchymal fate, which is sustained by soluble signals in the patient's blood. Macrophages contribute to preserve the endothelial identity of precursor cells. Altered macrophage-dependent plasticity of EdCs could contribute to link vasculopathy with fibrosis.
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Affiliation(s)
- Pier Andrea Nicolosi
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Enrico Tombetti
- Division of Immunology, Transplantation and Infectious Disease, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Anna Giovenzana
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Eleonora Donè
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Eleonora Pulcinelli
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Raffaella Meneveri
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Mario Tirone
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy.,Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; and
| | - Norma Maugeri
- Division of Immunology, Transplantation and Infectious Disease, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Patrizia Rovere-Querini
- Division of Immunology, Transplantation and Infectious Disease, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy.,Università Vita-Salute San Raffaele, 20132 Milan, Italy
| | - Angelo A Manfredi
- Division of Immunology, Transplantation and Infectious Disease, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; .,Università Vita-Salute San Raffaele, 20132 Milan, Italy
| | - Silvia Brunelli
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy;
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20
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Theret M, Mounier R, Rossi F. The origins and non-canonical functions of macrophages in development and regeneration. Development 2019; 146:146/9/dev156000. [PMID: 31048317 DOI: 10.1242/dev.156000] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The discovery of new non-canonical (i.e. non-innate immune) functions of macrophages has been a recurring theme over the past 20 years. Indeed, it has emerged that macrophages can influence the development, homeostasis, maintenance and regeneration of many tissues and organs, including skeletal muscle, cardiac muscle, the brain and the liver, in part by acting directly on tissue-resident stem cells. In addition, macrophages play crucial roles in diseases such as obesity-associated diabetes or cancers. Increased knowledge of their regulatory roles within each tissue will therefore help us to better understand the full extent of their functions and could highlight new mechanisms modulating disease pathogenesis. In this Review, we discuss recent studies that have elucidated the developmental origins of various macrophage populations and summarize our knowledge of the non-canonical functions of macrophages in development, regeneration and tissue repair.
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Affiliation(s)
- Marine Theret
- Department of Medical Genetics, The Biomedical Research Centre, University of British Columbia, 2222 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada.,Faculty of Medicine, The University of British Columbia, 317-2194 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - Remi Mounier
- Institut Neuromyogène, CNRS UMR 5310, INSERM U1217, Université de Lyon, 69008 Lyon, France
| | - Fabio Rossi
- Department of Medical Genetics, The Biomedical Research Centre, University of British Columbia, 2222 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada .,Faculty of Medicine, The University of British Columbia, 317-2194 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
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21
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De Santa F, Vitiello L, Torcinaro A, Ferraro E. The Role of Metabolic Remodeling in Macrophage Polarization and Its Effect on Skeletal Muscle Regeneration. Antioxid Redox Signal 2019; 30:1553-1598. [PMID: 30070144 DOI: 10.1089/ars.2017.7420] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Significance: Macrophages are crucial for tissue homeostasis. Based on their activation, they might display classical/M1 or alternative/M2 phenotypes. M1 macrophages produce pro-inflammatory cytokines, reactive oxygen species (ROS), and nitric oxide (NO). M2 macrophages upregulate arginase-1 and reduce NO and ROS levels; they also release anti-inflammatory cytokines, growth factors, and polyamines, thus promoting angiogenesis and tissue healing. Moreover, M1 and M2 display key metabolic differences; M1 polarization is characterized by an enhancement in glycolysis and in the pentose phosphate pathway (PPP) along with a decreased oxidative phosphorylation (OxPhos), whereas M2 are characterized by an efficient OxPhos and reduced PPP. Recent Advances: The glutamine-related metabolism has been discovered as crucial for M2 polarization. Vice versa, flux discontinuities in the Krebs cycle are considered additional M1 features; they lead to increased levels of immunoresponsive gene 1 and itaconic acid, to isocitrate dehydrogenase 1-downregulation and to succinate, citrate, and isocitrate over-expression. Critical Issues: A macrophage classification problem, particularly in vivo, originating from a gap in the knowledge of the several intermediate polarization statuses between the M1 and M2 extremes, characterizes this field. Moreover, the detailed features of metabolic reprogramming crucial for macrophage polarization are largely unknown; in particular, the role of β-oxidation is highly controversial. Future Directions: Manipulating the metabolism to redirect macrophage polarization might be useful in various pathologies, including an efficient skeletal muscle regeneration. Unraveling the complexity pertaining to metabolic signatures that are specific for the different macrophage subsets is crucial for identifying new compounds that are able to trigger macrophage polarization and that might be used for therapeutical purposes.
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Affiliation(s)
- Francesca De Santa
- Institute of Cell Biology and Neurobiology (IBCN), National Research Council (CNR), Rome, Italy
| | - Laura Vitiello
- Laboratory of Pathophysiology of Cachexia and Metabolism of Skeletal Muscle, IRCCS San Raffaele Pisana, Rome, Italy
| | - Alessio Torcinaro
- Institute of Cell Biology and Neurobiology (IBCN), National Research Council (CNR), Rome, Italy.,Department of Biology and Biotechnology "Charles Darwin," Sapienza University, Rome, Italy
| | - Elisabetta Ferraro
- Laboratory of Pathophysiology of Cachexia and Metabolism of Skeletal Muscle, IRCCS San Raffaele Pisana, Rome, Italy
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22
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Ether-Oxygen Containing Electrospun Microfibrous and Sub-Microfibrous Scaffolds Based on Poly(butylene 1,4-cyclohexanedicarboxylate) for Skeletal Muscle Tissue Engineering. Int J Mol Sci 2018; 19:ijms19103212. [PMID: 30336625 PMCID: PMC6214009 DOI: 10.3390/ijms19103212] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 10/10/2018] [Accepted: 10/11/2018] [Indexed: 01/29/2023] Open
Abstract
We report the study of novel biodegradable electrospun scaffolds from poly(butylene 1,4-cyclohexandicarboxylate-co-triethylene cyclohexanedicarboxylate) (P(BCE-co-TECE)) as support for in vitro and in vivo muscle tissue regeneration. We demonstrate that chemical composition, i.e., the amount of TECE co-units (constituted of polyethylene glycol-like moieties), and fibre morphology, i.e., aligned microfibrous or sub-microfibrous scaffolds, are crucial in determining the material biocompatibility. Indeed, the presence of ether linkages influences surface wettability, mechanical properties, hydrolytic degradation rate, and density of cell anchoring points of the studied materials. On the other hand, electrospun scaffolds improve cell adhesion, proliferation, and differentiation by favouring cell alignment along fibre direction (fibre morphology), also allowing for better cell infiltration and oxygen and nutrient diffusion (fibre size). Overall, C2C12 myogenic cells highly differentiated into mature myotubes when cultured on microfibres realised with the copolymer richest in TECE co-units (micro-P73 mat). Lastly, when transplanted in the tibialis anterior muscles of healthy, injured, or dystrophic mice, micro-P73 mat appeared highly vascularised, colonised by murine cells and perfectly integrated with host muscles, thus confirming the suitability of P(BCE-co-TECE) scaffolds as substrates for skeletal muscle tissue engineering.
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23
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Man S, Sanchez Duffhues G, Ten Dijke P, Baker D. The therapeutic potential of targeting the endothelial-to-mesenchymal transition. Angiogenesis 2018; 22:3-13. [PMID: 30076548 PMCID: PMC6510911 DOI: 10.1007/s10456-018-9639-0] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 07/27/2018] [Indexed: 12/20/2022]
Abstract
Endothelial cells (ECs) have been found to be capable of acquiring a mesenchymal phenotype through a process known as endothelial-to-mesenchymal transition (EndMT). First seen in the developing embryo, EndMT can be triggered postnatally under certain pathological conditions. During this process, ECs dedifferentiate into mesenchymal stem-like cells (MSCs) and subsequently give rise to cell types belonging to the mesoderm lineage. As EndMT contributes to a multitude of diseases, pharmacological modulation of the signaling pathways underlying EndMT may prove to be effective as a therapeutic treatment. Additionally, EndMT in ECs could also be exploited to acquire multipotent MSCs, which can be readily re-differentiated into various distinct cell types. In this review, we will consider current models of EndMT, how manipulation of this process might improve treatment of clinically important pathologies and how it could be harnessed to advance regenerative medicine and tissue engineering.
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Affiliation(s)
- Shirley Man
- Department of Cell and Chemical Biology and Oncode Institute, Leiden University Medical Center, Einthovenweg 20, 2300 RC, Leiden, The Netherlands
| | - Gonzalo Sanchez Duffhues
- Department of Cell and Chemical Biology and Oncode Institute, Leiden University Medical Center, Einthovenweg 20, 2300 RC, Leiden, The Netherlands
| | - Peter Ten Dijke
- Department of Cell and Chemical Biology and Oncode Institute, Leiden University Medical Center, Einthovenweg 20, 2300 RC, Leiden, The Netherlands.
| | - David Baker
- Department of Cell and Chemical Biology and Oncode Institute, Leiden University Medical Center, Einthovenweg 20, 2300 RC, Leiden, The Netherlands
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24
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Dhananjayan K, Gunawardena D, Hearn N, Sonntag T, Moran C, Gyengesi E, Srikanth V, Münch G. Activation of Macrophages and Microglia by Interferon-γ and Lipopolysaccharide Increases Methylglyoxal Production: A New Mechanism in the Development of Vascular Complications and Cognitive Decline in Type 2 Diabetes Mellitus? J Alzheimers Dis 2018; 59:467-479. [PMID: 28582854 DOI: 10.3233/jad-161152] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Methylglyoxal (MGO), a dicarbonyl compound derived from glucose, is elevated in diabetes mellitus and contributes to vascular complications by crosslinking collagen and increasing arterial stiffness. It is known that MGO contributes to inflammation as it forms advanced glycation end products (AGEs), which activate macrophages via the receptor RAGE. The aim of study was to investigate whether inflammatory activation can increase MGO levels, thereby completing a vicious cycle. In order to validate this, macrophage (RAW264.7, J774A.1) and microglial (N11) cells were stimulated with IFN-γ and LPS (5 + 5 and 10 + 10 IFN-γ U/ml or μg/ml LPS), and extracellular MGO concentration was determined after derivatization with 5,6-Diamino-2,4-dihydroxypyrimidine sulfate by HPLC. MGO levels in activated macrophage cells (RAW264.7) peaked at 48 h, increasing 2.86-fold (3.14±0.4 μM) at 5 U/ml IFN-γ+5 μg/ml LPS, and 4.74-fold (5.46±0.30 μM) at 10 U/ml IFN-γ+10 μg/ml LPS compared to the non-activated controls (1.15±0.02 μM). The other two cell lines, J774A.1 macrophages and N11 microglia, showed a similar response. We suggest that inflammation increases MGO production, possibly exacerbating arterial stiffness, cardiovascular complications, and diabetes-related cognitive decline.
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Affiliation(s)
- Karthik Dhananjayan
- Department of Pharmacology, School of Medicine, Western Sydney University, Penrith, NSW, Australia
| | - Dhanushka Gunawardena
- Department of Pharmacology, School of Medicine, Western Sydney University, Penrith, NSW, Australia
| | - Nerissa Hearn
- Molecular Medicine Research Group, Western Sydney University, Penrith, NSW, Australia
| | - Tanja Sonntag
- Molecular Medicine Research Group, Western Sydney University, Penrith, NSW, Australia
| | - Chris Moran
- Department of Medicine, Peninsula Health & Peninsula Clinical School, Monash University, VIC, Australia
| | - Erika Gyengesi
- Department of Pharmacology, School of Medicine, Western Sydney University, Penrith, NSW, Australia
| | - Velandai Srikanth
- Department of Medicine, Peninsula Health & Peninsula Clinical School, Monash University, VIC, Australia
| | - Gerald Münch
- Department of Pharmacology, School of Medicine, Western Sydney University, Penrith, NSW, Australia.,Molecular Medicine Research Group, Western Sydney University, Penrith, NSW, Australia.,National Institute of Complementary Medicine, Western Sydney University, Penrith, NSW, Australia
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25
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Abnave P, Ghigo E. Role of the immune system in regeneration and its dynamic interplay with adult stem cells. Semin Cell Dev Biol 2018; 87:160-168. [PMID: 29635020 DOI: 10.1016/j.semcdb.2018.04.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 04/02/2018] [Accepted: 04/06/2018] [Indexed: 12/11/2022]
Abstract
The immune system plays an indispensable role in the process of tissue regeneration following damage as well as during homeostasis. Inflammation and immune cell recruitment are signs of early onset injury. At the wound site, immune cells not only help to clear debris but also secrete numerous signalling molecules that induce appropriate cell proliferation and differentiation programmes essential for successful regeneration. However, the immune system does not always perform a complementary role in regeneration and several reports have suggested that increased inflammation can inhibit the regeneration process. Successful regeneration requires a balanced immune cell response, with the recruitment of accurately polarised immune cells in an appropriate quantity. The regulatory interactions of the immune system with regeneration are not unidirectional. Stem cells, as key players in regeneration, can also modulate the immune system in several ways to facilitate regeneration. In this review, we will focus on recent research demonstrating the key role of immune system in the regeneration process as well as the immunomodulatory effects of stem cells. Finally, we propose that research investigating the interplay between the immune system and stem cells within highly regenerating animals can benefit the identification of the key interactions and molecules required for successful regeneration.
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Affiliation(s)
- Prasad Abnave
- URMITE, CNRS UMR 7278, IRD198, INSERM U1095, APHM, Institut Hospitalier Universitaire Méditerranée-Infection, Aix-Marseille Université, 19-21 Bd Jean Moulin, 13385 Marseille Cedex 05, France.
| | - Eric Ghigo
- Institut Hospitalier Universitaire Méditerranée-Infection, 19-21 Bd Jean Moulin, 13385 Marseille Cedex 05, France; CNRS, 21 chemin de Joseph Aiguier, 13009 Marseille.
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26
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Aparicio-Soto M, Sánchez-Hidalgo M, Rosillo MÁ, Castejón ML, Alarcón-de-la-Lastra C. Extra virgin olive oil: a key functional food for prevention of immune-inflammatory diseases. Food Funct 2018; 7:4492-4505. [PMID: 27783083 DOI: 10.1039/c6fo01094f] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Nowadays, it is clear that an unhealthy diet is one of the prime factors that contributes to the rise of inflammatory diseases and autoimmunity in the populations of both developed and developing countries. The Mediterranean diet has been associated with a reduced incidence of certain pathologies related to chronic inflammation and the immune system. Olive oil, the principal source of dietary lipids of the Mediterranean diet, possesses a high nutritional quality and a particular composition, which is especially relevant in the case of Extra Virgin Olive Oil (EVOO). EVOO is obtained from olives solely by mechanical or other physical preparation methods, under conditions that do not alter the natural composition. EVOO is described as a key bioactive food with multiple beneficial properties and it may be effective in the management of some immune-inflammatory diseases. In this review, the key research is summarised which provides evidence of the beneficial effects of EVOO and its minor components focusing on their mechanisms on immune-inflammatory diseases such as rheumatoid arthritis, systemic lupus erythematosus, inflammatory bowel disease and sclerosis.
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Affiliation(s)
- Marina Aparicio-Soto
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012 Seville, Spain.
| | - Marina Sánchez-Hidalgo
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012 Seville, Spain.
| | - Ma Ángeles Rosillo
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012 Seville, Spain.
| | - Ma Luisa Castejón
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012 Seville, Spain.
| | - Catalina Alarcón-de-la-Lastra
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012 Seville, Spain.
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27
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Hsieh PL, Rybalko V, Baker AB, Suggs LJ, Farrar RP. Recruitment and therapeutic application of macrophages in skeletal muscles after hind limb ischemia. J Vasc Surg 2017; 67:1908-1920.e1. [PMID: 29273298 DOI: 10.1016/j.jvs.2017.04.070] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 04/16/2017] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Peripheral arterial disease can cause not only ischemia but also skeletal muscle damage. It has been known that macrophages (MPs) play an important role in coordinating muscle repair; however, phenotype transition of monocyte-MP in ischemic muscle has not been well defined. Hence, the purpose of this study was to examine the temporal recruitment of MPs and to explore their therapeutic effect on ischemic muscle regeneration. METHODS Unilateral femoral artery excision was performed on C57BL/6 mice. Myeloid cells were isolated from the ischemic muscles, characterized using flow cytometry. Bone marrow-derived MPs were injected (2 × 106 cells) into the ischemic gastrocnemius muscle 24 hours after injury. Blood flow recovery was measured using laser speckle imaging. Functional outcome was evaluated by assessing the contractile force of ischemic muscles. Histologic analysis included quantification of myofiber size, collagen deposition, number of inflammatory and MyoD-expressing cells, and capillary density. RESULTS Neutrophils and inflammatory monocytes-MPs were present at day 1 after injury. The mature MPs then remained elevated as the dominant population from day 5 to day 21 with the observation of regenerating fibers. Functional measurements revealed that the force production was significantly enhanced after treatment with proinflammatory M1 MPs (94.9% vs 77.9%; P < .05), and this was consistent with increased myofiber size, capillary- fiber ratio, and perfusion (78.6% vs 39.9%; P < .05). Moreover, the percentage of MyoD-expressing nuclei was significantly higher at day 4, indicating that M1 MPs may hasten muscle repair. Whereas early delivery of anti-inflammatory M2 MPs improved myofiber size, this was accompanied by persistent fibrosis suggesting ongoing tissue remodeling, and lower force production was observed. CONCLUSIONS We demonstrated the dynamics of myeloid cells in skeletal muscle after ischemic insult, and the administration of exogenous M1 MPs in a temporally coordinated manner successfully improved angiogenesis and skeletal muscle regeneration. Our results suggested that cell therapy using MPs may be a promising adjunctive therapeutic approach for peripheral arterial disease.
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Affiliation(s)
- Pei-Ling Hsieh
- Department of Kinesiology, The University of Texas at Austin, Austin, Tex
| | - Viktoriya Rybalko
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Tex
| | - Aaron B Baker
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Tex
| | - Laura J Suggs
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Tex
| | - Roger P Farrar
- Department of Kinesiology, The University of Texas at Austin, Austin, Tex.
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Coupling between Myogenesis and Angiogenesis during Skeletal Muscle Regeneration Is Stimulated by Restorative Macrophages. Stem Cell Reports 2017; 9:2018-2033. [PMID: 29198825 PMCID: PMC5785732 DOI: 10.1016/j.stemcr.2017.10.027] [Citation(s) in RCA: 137] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 10/27/2017] [Accepted: 10/30/2017] [Indexed: 02/08/2023] Open
Abstract
In skeletal muscle, new functions for vessels have recently emerged beyond oxygen and nutrient supply, through the interactions that vascular cells establish with muscle stem cells. Here, we demonstrate in human and mouse that endothelial cells (ECs) and myogenic progenitor cells (MPCs) interacted together to couple myogenesis and angiogenesis in vitro and in vivo during skeletal muscle regeneration. Kinetics of gene expression of ECs and MPCs sorted at different time points of regeneration identified three effectors secreted by both ECs and MPCs. Apelin, Oncostatin M, and Periostin were shown to control myogenesis/angiogenesis coupling in vitro and to be required for myogenesis and vessel formation during muscle regeneration in vivo. Furthermore, restorative macrophages, which have been previously shown to support myogenesis in vivo, were shown in a 3D triculture model to stimulate myogenesis/angiogenesis coupling, notably through Oncostatin M production. Our data demonstrate that restorative macrophages orchestrate muscle regeneration by controlling myogenesis/angiogenesis coupling. Endothelial cells (ECs) promote myogenesis Myogenic progenitor cells (MPCs) stimulate angiogenesis as they differentiate EC- and MPC-derived Apelin, Oncostatin M, and Periostin promote myo-angiogenesis Restorative macrophages stimulate myo-angiogenesis via Oncostatin M secretion
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Sánchez-Duffhues G, García de Vinuesa A, Ten Dijke P. Endothelial-to-mesenchymal transition in cardiovascular diseases: Developmental signaling pathways gone awry. Dev Dyn 2017; 247:492-508. [PMID: 28891150 DOI: 10.1002/dvdy.24589] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 08/30/2017] [Accepted: 08/30/2017] [Indexed: 01/05/2023] Open
Abstract
The process named endothelial-to-mesenchymal transition (EndMT) was observed for the first time during the development of the chicken embryo several decades ago. Of interest, accumulating evidence suggests that EndMT plays a critical role in the onset and progression of multiple postnatal cardiovascular diseases. EndMT is controlled by a set of developmental signaling pathways, very similar to the process of epithelial-to-mesenchymal transition, which determine the activity of several EndMT transcriptional effectors. Once activated, these EndMT effectors regulate the expression of endothelial- and mesenchymal-specific genes, in part by interacting with specific motifs in promoter regions, eventually leading to the down-regulation of endothelial-specific features and acquisition of a fibroblast-like phenotype. Important technical advances in lineage tracing methods combined with experimental mouse models demonstrated the pathophysiological importance of EndMT for human diseases. In this review, we discuss the major signal transduction pathways involved in the activation and regulation of the EndMT program. Furthermore, we will review the latest discoveries on EndMT, focusing on cardiovascular diseases, and in particular on its role in vascular calcification, pulmonary arterial hypertension, and organ fibrosis. Developmental Dynamics 247:492-508, 2018. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Gonzalo Sánchez-Duffhues
- Department of Molecular Cell Biology and Cancer Genomics Centre Netherlands, Leiden University Medical Center, The Netherlands
| | - Amaya García de Vinuesa
- Department of Molecular Cell Biology and Cancer Genomics Centre Netherlands, Leiden University Medical Center, The Netherlands
| | - Peter Ten Dijke
- Department of Molecular Cell Biology and Cancer Genomics Centre Netherlands, Leiden University Medical Center, The Netherlands
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Cahill TJ, Choudhury RP, Riley PR. Heart regeneration and repair after myocardial infarction: translational opportunities for novel therapeutics. Nat Rev Drug Discov 2017; 16:699-717. [DOI: 10.1038/nrd.2017.106] [Citation(s) in RCA: 182] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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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] [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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Stearns-Reider KM, D'Amore A, Beezhold K, Rothrauff B, Cavalli L, Wagner WR, Vorp DA, Tsamis A, Shinde S, Zhang C, Barchowsky A, Rando TA, Tuan RS, Ambrosio F. Aging of the skeletal muscle extracellular matrix drives a stem cell fibrogenic conversion. Aging Cell 2017; 16:518-528. [PMID: 28371268 PMCID: PMC5418187 DOI: 10.1111/acel.12578] [Citation(s) in RCA: 159] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2017] [Indexed: 12/13/2022] Open
Abstract
Age‐related declines in skeletal muscle regeneration have been attributed to muscle stem cell (MuSC) dysfunction. Aged MuSCs display a fibrogenic conversion, leading to fibrosis and impaired recovery after injury. Although studies have demonstrated the influence of in vitro substrate characteristics on stem cell fate, whether and how aging of the extracellular matrix (ECM) affects stem cell behavior has not been investigated. Here, we investigated the direct effect of the aged muscle ECM on MuSC lineage specification. Quantification of ECM topology and muscle mechanical properties reveals decreased collagen tortuosity and muscle stiffening with increasing age. Age‐related ECM alterations directly disrupt MuSC responses, and MuSCs seeded ex vivo onto decellularized ECM constructs derived from aged muscle display increased expression of fibrogenic markers and decreased myogenicity, compared to MuSCs seeded onto young ECM. This fibrogenic conversion is recapitulated in vitro when MuSCs are seeded directly onto matrices elaborated by aged fibroblasts. When compared to young fibroblasts, fibroblasts isolated from aged muscle display increased nuclear levels of the mechanosensors, Yes‐associated protein (YAP)/transcriptional coactivator with PDZ‐binding motif (TAZ), consistent with exposure to a stiff microenvironment in vivo. Accordingly, preconditioning of young fibroblasts by seeding them onto a substrate engineered to mimic the stiffness of aged muscle increases YAP/TAZ nuclear translocation and promotes secretion of a matrix that favors MuSC fibrogenesis. The findings here suggest that an age‐related increase in muscle stiffness drives YAP/TAZ‐mediated pathogenic expression of matricellular proteins by fibroblasts, ultimately disrupting MuSC fate.
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Affiliation(s)
- Kristen M. Stearns-Reider
- Department of Physical Medicine and Rehabilitation; University of Pittsburgh; Kaufmann Medical Building, Suite 201, 3471 Fifth Avenue Pittsburgh PA 15213 USA
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; 450 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
| | - Antonio D'Amore
- Department of Surgery; University of Pittsburgh; 450 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
| | - Kevin Beezhold
- Department of Environmental and Occupational Health; University of Pittsburgh; 100 Technology Drive, Suite 328 Pittsburgh PA 15219 USA
| | - Benjamin Rothrauff
- Center for Cellular and Molecular Engineering; Department of Orthopaedic Surgery; University of Pittsburgh; 450 Technology Drive, Bridgeside Point II, Suite 221 Pittsburgh PA 15219 USA
| | - Loredana Cavalli
- Department of Physical Medicine and Rehabilitation; University of Pittsburgh; Kaufmann Medical Building, Suite 201, 3471 Fifth Avenue Pittsburgh PA 15213 USA
| | - William R. Wagner
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; 450 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
- Department of Surgery; University of Pittsburgh; 450 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
- Center for Vascular Remodeling and Regeneration; Center for Bioengineering (CNBIO); University of Pittsburgh; 300 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
| | - David A. Vorp
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; 450 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
- Department of Surgery; University of Pittsburgh; 450 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
- Center for Vascular Remodeling and Regeneration; Center for Bioengineering (CNBIO); University of Pittsburgh; 300 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
- Department of Bioengineering; University of Pittsburgh; 213 Center for Bioengineering, 300 Technology Drive Pittsburgh PA 15219 USA
| | - Alkiviadis Tsamis
- Department of Engineering; University of Leicester; 127 Michael Atiyah Building, University Road Leicester LE1 7RH UK
| | - Sunita Shinde
- Department of Physical Medicine and Rehabilitation; University of Pittsburgh; Kaufmann Medical Building, Suite 201, 3471 Fifth Avenue Pittsburgh PA 15213 USA
| | - Changqing Zhang
- Department of Physical Medicine and Rehabilitation; University of Pittsburgh; Kaufmann Medical Building, Suite 201, 3471 Fifth Avenue Pittsburgh PA 15213 USA
| | - Aaron Barchowsky
- Department of Environmental and Occupational Health; University of Pittsburgh; 100 Technology Drive, Suite 328 Pittsburgh PA 15219 USA
| | - Thomas A. Rando
- Glenn Center for the Biology of Aging and Department of Neurology and Neurological Sciences; Stanford University School of Medicine; Stanford CA 94305 USA
- RR&D Center; VA Palo Alto Health Care System; Palo Alto CA 94304 USA
| | - Rocky S. Tuan
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; 450 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
- Center for Cellular and Molecular Engineering; Department of Orthopaedic Surgery; University of Pittsburgh; 450 Technology Drive, Bridgeside Point II, Suite 221 Pittsburgh PA 15219 USA
| | - Fabrisia Ambrosio
- Department of Physical Medicine and Rehabilitation; University of Pittsburgh; Kaufmann Medical Building, Suite 201, 3471 Fifth Avenue Pittsburgh PA 15213 USA
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; 450 Technology Drive, Suite 300 Pittsburgh PA 15219 USA
- Department of Bioengineering; University of Pittsburgh; 213 Center for Bioengineering, 300 Technology Drive Pittsburgh PA 15219 USA
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Fibrosis development in early-onset muscular dystrophies: Mechanisms and translational implications. Semin Cell Dev Biol 2017; 64:181-190. [DOI: 10.1016/j.semcdb.2016.09.013] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 09/22/2016] [Accepted: 09/22/2016] [Indexed: 02/06/2023]
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Abstract
Inflammation is an essential component of the normal mammalian host tissue response and plays an important role during cardiovascular and musculoskeletal diseases. Given the important role of inflammation on the host tissue response after injury, understanding this process represents essential aspects of biomedical research, tissue engineering, and regenerative medicine. Macrophages are central players during the inflammatory response with an extensive role during wound healing. These cells exhibit a spectrum of activation states that span from pro-inflammatory to pro-healing phenotypes. The phenotype of the macrophages can have profound influences on the progression of disease or injury. As such, understanding and subsequent modulation of macrophage phenotype represents an exciting target area for regenerative medicine therapies. In this chapter, we describe the role of macrophages in specific cases of injury and disease. After myocardial infarction, a biphasic response of pro- and anti-inflammatory macrophages are involved in the remodeling process. In volumetric muscle loss, there is an intricate communication between inflammatory cells and progenitor cells affecting repair processes. Osteoarthritis is characterized by increased levels of pro-inflammatory macrophages over an extended period of time with significant impact on the progression of the disease. By harnessing the complex role of macrophages, enhanced therapeutic treatments can be developed that enhance the normal healing response as well as help the survival of therapeutic cells delivered to the site of injury.
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Kim HO, Lim JW, Choi J, Lee H, Son HY, Kim J, Park G, Chun H, Song D, Huh YM, Haam S. Anchored protease-activatable polymersomes for molecular diagnostics of metastatic cancer cells. J Mater Chem B 2017; 5:9571-9578. [DOI: 10.1039/c7tb01675a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
We have designed unique protease-activatable polymersomes (PeptiSomes) forin situquantitative analysis with high selectivity towards MT1-MMP.
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Affiliation(s)
- Hyun-Ouk Kim
- Department of Chemical & Biomolecular Engineering
- Yonsei University
- Republic of Korea
| | - Jong-Woo Lim
- Department of Chemical & Biomolecular Engineering
- Yonsei University
- Republic of Korea
| | - Jihye Choi
- Research Institute of Radiological Science
- College of Medicine
- Yonsei University
- Republic of Korea
| | - Hwunjae Lee
- Korea Basic Science Institute (KBSI)
- Republic of Korea
| | - Hye Young Son
- Department of Radiology
- College of Medicine
- Yonsei University
- Republic of Korea
| | - Jihye Kim
- Department of Chemical & Biomolecular Engineering
- Yonsei University
- Republic of Korea
| | - Geunseon Park
- Department of Chemical & Biomolecular Engineering
- Yonsei University
- Republic of Korea
| | - Haejin Chun
- Department of Chemical & Biomolecular Engineering
- Yonsei University
- Republic of Korea
| | - Daesub Song
- Department of Pharmacy
- College of Pharmacy, Korea University
- Republic of Korea
| | - Yong-Min Huh
- Department of Radiology
- College of Medicine
- Yonsei University
- Republic of Korea
| | - Seungjoo Haam
- Department of Chemical & Biomolecular Engineering
- Yonsei University
- Republic of Korea
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36
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Macrophages and regeneration: Lessons from the heart. Semin Cell Dev Biol 2016; 58:26-33. [DOI: 10.1016/j.semcdb.2016.04.012] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 03/18/2016] [Accepted: 04/17/2016] [Indexed: 12/24/2022]
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The Immune System in Tissue Environments Regaining Homeostasis after Injury: Is "Inflammation" Always Inflammation? Mediators Inflamm 2016; 2016:2856213. [PMID: 27597803 PMCID: PMC4997018 DOI: 10.1155/2016/2856213] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Revised: 07/08/2016] [Accepted: 07/19/2016] [Indexed: 12/31/2022] Open
Abstract
Inflammation is a response to infections or tissue injuries. Inflammation was once defined by clinical signs, later by the presence of leukocytes, and nowadays by expression of "proinflammatory" cytokines and chemokines. But leukocytes and cytokines often have rather anti-inflammatory, proregenerative, and homeostatic effects. Is there a need to redefine "inflammation"? In this review, we discuss the functions of "inflammatory" mediators/regulators of the innate immune system that determine tissue environments to fulfill the need of the tissue while regaining homeostasis after injury.
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Cappato S, Tonachini L, Giacopelli F, Tirone M, Galietta LJV, Sormani M, Giovenzana A, Spinelli AE, Canciani B, Brunelli S, Ravazzolo R, Bocciardi R. High-throughput screening for modulators of ACVR1 transcription: discovery of potential therapeutics for fibrodysplasia ossificans progressiva. Dis Model Mech 2016; 9:685-96. [PMID: 27125279 PMCID: PMC4920148 DOI: 10.1242/dmm.023929] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 04/22/2016] [Indexed: 01/10/2023] Open
Abstract
The ACVR1 gene encodes a type I receptor of bone morphogenetic proteins (BMPs). Activating mutations in ACVR1 are responsible for fibrodysplasia ossificans progressiva (FOP), a rare disease characterized by congenital toe malformation and progressive heterotopic endochondral ossification leading to severe and cumulative disability. Until now, no therapy has been available to prevent soft-tissue swelling (flare-ups) that trigger the ossification process. With the aim of finding a new therapeutic strategy for FOP, we developed a high-throughput screening (HTS) assay to identify inhibitors of ACVR1 gene expression among drugs already approved for the therapy of other diseases. The screening, based on an ACVR1 promoter assay, was followed by an in vitro and in vivo test to validate and characterize candidate molecules. Among compounds that modulate the ACVR1 promoter activity, we selected the one showing the highest inhibitory effect, dipyridamole, a drug that is currently used as a platelet anti-aggregant. The inhibitory effect was detectable on ACVR1 gene expression, on the whole Smad-dependent BMP signaling pathway, and on chondrogenic and osteogenic differentiation processes by in vitro cellular assays. Moreover, dipyridamole reduced the process of heterotopic bone formation in vivo. Our drug repositioning strategy has led to the identification of dipyridamole as a possible therapeutic tool for the treatment of FOP. Furthermore, our study has also defined a pipeline of assays that will be useful for the evaluation of other pharmacological inhibitors of heterotopic ossification. Summary: We describe the identification of dipyridamole as a potential therapeutic tool for FOP, through a series of in vitro and in vivo assays to screen and validate FDA-approved compounds.
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Affiliation(s)
- Serena Cappato
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health and CEBR, Università degli Studi di Genova, Genova 16132, Italy
| | - Laura Tonachini
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health and CEBR, Università degli Studi di Genova, Genova 16132, Italy
| | - Francesca Giacopelli
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health and CEBR, Università degli Studi di Genova, Genova 16132, Italy
| | - Mario Tirone
- Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milano 20132, Italy School of Medicine and Surgery, University of Milano-Bicocca, Monza 20900, Italy
| | - Luis J V Galietta
- Medical Genetics Unit, IRCCS Istituto Giannina Gaslini, Genova 16147, Italy
| | - Martina Sormani
- School of Medicine and Surgery, University of Milano-Bicocca, Monza 20900, Italy
| | - Anna Giovenzana
- School of Medicine and Surgery, University of Milano-Bicocca, Monza 20900, Italy
| | - Antonello E Spinelli
- Medical Physics Department and Centre for Experimental Imaging, San Raffaele Scientific Institute, Milano 20132, Italy
| | - Barbara Canciani
- Dipartimento di Medicina Sperimentale, Università di Genova & IRCCS AOU San Martino-IST, Istituto Nazionale per la Ricerca sul Cancro, 16132 Genova, Italy
| | - Silvia Brunelli
- School of Medicine and Surgery, University of Milano-Bicocca, Monza 20900, Italy
| | - Roberto Ravazzolo
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health and CEBR, Università degli Studi di Genova, Genova 16132, Italy Medical Genetics Unit, IRCCS Istituto Giannina Gaslini, Genova 16147, Italy
| | - Renata Bocciardi
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health and CEBR, Università degli Studi di Genova, Genova 16132, Italy Medical Genetics Unit, IRCCS Istituto Giannina Gaslini, Genova 16147, Italy
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Cell death, clearance and immunity in the skeletal muscle. Cell Death Differ 2016; 23:927-37. [PMID: 26868912 DOI: 10.1038/cdd.2015.171] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 12/14/2015] [Accepted: 12/16/2015] [Indexed: 12/22/2022] Open
Abstract
The skeletal muscle is an immunologically unique tissue. Leukocytes, virtually absent in physiological conditions, are quickly recruited into the tissue upon injury and persist during regeneration. Apoptosis, necrosis and autophagy coexist in the injured/regenerating muscles, including those of patients with neuromuscular disorders, such as inflammatory myopathies, dystrophies, metabolic and mitochondrial myopathies and drug-induced myopathies. Macrophages are able to alter their function in response to microenvironment conditions and as a consequence coordinate changes within the tissue from the early injury throughout regeneration and eventual healing, and regulate the activation and the function of stem cells. Early after injury, classically activated macrophages ('M1') dominate the picture. Alternatively activated M2 macrophages predominate during resolution phases and regulate the termination of the inflammatory responses. The dynamic M1/M2 transition is increasingly felt to be the key to the homeostasis of the muscle. Recognition and clearance of debris originating from damaged myofibers and from dying stem/progenitor cells, stromal cells and leukocytes are fundamental actions of macrophages. Clearance of apoptotic cells and M1/M2 transition are causally connected and represent limiting steps for muscle healing. The accumulation of apoptotic cells, which reflects their defective clearance, has been demonstrated in various tissues to prompt autoimmunity against intracellular autoantigens. In the muscle, in the presence of type I interferon, apoptotic myoblasts indeed cause the production of autoantibodies, lymphocyte infiltration and continuous cycles of muscle injury and regeneration, mimicking human inflammatory myopathies. The clearance of apoptotic cells thus modulates the homeostatic response of the skeletal muscle to injury. Conversely, defects in the process may have deleterious local effects, guiding maladaptive tissue remodeling with collagen and fat accumulation and promoting autoimmunity itself. There is strong promise for novel treatments based on new knowledge of cell death, clearance and immunity in the muscle.
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Endothelial Plasticity: Shifting Phenotypes through Force Feedback. Stem Cells Int 2016; 2016:9762959. [PMID: 26904133 PMCID: PMC4745942 DOI: 10.1155/2016/9762959] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 12/31/2015] [Indexed: 12/28/2022] Open
Abstract
The endothelial lining of the vasculature is exposed to a large variety of biochemical and hemodynamic stimuli with different gradients throughout the vascular network. Adequate adaptation requires endothelial cells to be highly plastic, which is reflected by the remarkable heterogeneity of endothelial cells in tissues and organs. Hemodynamic forces such as fluid shear stress and cyclic strain are strong modulators of the endothelial phenotype and function. Although endothelial plasticity is essential during development and adult physiology, proatherogenic stimuli can induce adverse plasticity which contributes to disease. Endothelial-to-mesenchymal transition (EndMT), the hallmark of endothelial plasticity, was long thought to be restricted to embryonic development but has emerged as a pathologic process in a plethora of diseases. In this perspective we argue how shear stress and cyclic strain can modulate EndMT and discuss how this is reflected in atherosclerosis and pulmonary arterial hypertension.
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Park CE. Comparison of the Usefulness of Diagnostic Tests for Rheumatoid Arthritis. KOREAN JOURNAL OF CLINICAL LABORATORY SCIENCE 2015. [DOI: 10.15324/kjcls.2015.47.4.168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Chang-Eun Park
- Deptartment Biomedical Laboratory Science, Namseoul University, Cheonan 31020, Korea
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42
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Farup J, De Lisio M, Rahbek SK, Bjerre J, Vendelbo MH, Boppart MD, Vissing K. Pericyte response to contraction mode-specific resistance exercise training in human skeletal muscle. J Appl Physiol (1985) 2015; 119:1053-63. [PMID: 26404620 DOI: 10.1152/japplphysiol.01108.2014] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 09/17/2015] [Indexed: 01/08/2023] Open
Abstract
Skeletal muscle satellite cells (SCs) are important for muscle repair and hypertrophy in response mechanical stimuli. Neuron-glial antigen 2-positive (NG2(+)) and alkaline phosphatase-positive (ALP(+)) pericytes may provide an alternative source of myogenic progenitors and/or secrete paracrine factors to induce Pax7(+) SC proliferation and differentiation. The purpose of this study was to investigate NG2(+) and ALP(+) cell quantity, as well as SC content and activation, in human skeletal muscle following prolonged concentric (Conc) or eccentric (Ecc) resistance training. Male subjects engaged in unilateral resistance training utilizing isolated Ecc or Conc contractions. After 12 wk, muscle biopsies were analyzed for NG2(+) and ALP(+) pericytes, total Pax7(+) SCs, activated SCs (Pax7(+)MyoD(+)), and differentiating myogenic cells (Pax7(-) MyoD(+)). NG2(+) cells localized to CD31(+) vessels and the majority coexpressed ALP. NG2(+) pericyte quantity decreased following both Conc and Ecc training (P < 0.05). ALP(+) pericyte quantity declined following Conc (P < 0.05) but not Ecc training. Conversely, total Pax7(+) SC content was elevated following Conc only (P < 0.001), while Pax7(+)MyoD(+) SC content was increased following Conc and Ecc (P < 0.001). Follow up analyses demonstrated that CD90(+) and platelet-derived growth factor receptor-α (PDGFRα)(+) mononuclear cell proliferation was also increased in response to both Conc and Ecc training (P < 0.01). In summary, resistance training results in a decline in pericyte quantity and an increase in mesenchymal progenitor cell proliferation, and these events likely influence SC pool expansion and increased activation observed posttraining.
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Affiliation(s)
- Jean Farup
- Section of Sport Science, Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Michael De Lisio
- Department of Kinesiology and Community Health and Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana, Illinois; and
| | - Stine Klejs Rahbek
- Section of Sport Science, Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Jonas Bjerre
- Section of Sport Science, Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Mikkel Holm Vendelbo
- Department of Internal Medicine and Endocrinology and Department of Nuclear Medicine and PET Center, Aarhus University Hospital, Aarhus, Denmark
| | - Marni D Boppart
- Department of Kinesiology and Community Health and Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana, Illinois; and
| | - Kristian Vissing
- Section of Sport Science, Department of Public Health, Aarhus University, Aarhus, Denmark;
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The interplay between inflammation and metabolism in rheumatoid arthritis. Cell Death Dis 2015; 6:e1887. [PMID: 26379192 PMCID: PMC4650442 DOI: 10.1038/cddis.2015.246] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 07/29/2015] [Indexed: 12/29/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by extensive synovitis resulting in erosions of articular cartilage and marginal bone that lead to joint destruction. The autoimmune process in RA depends on the activation of immune cells, which use intracellular kinases to respond to external stimuli such as cytokines, immune complexes, and antigens. An intricate cytokine network participates in inflammation and in perpetuation of disease by positive feedback loops promoting systemic disorder. The widespread systemic effects mediated by pro-inflammatory cytokines in RA impact on metabolism and in particular in lymphocyte metabolism. Moreover, RA pathobiology seems to share some common pathways with atherosclerosis, including endothelial dysfunction that is related to underlying chronic inflammation. The extent of the metabolic changes and the types of metabolites seen may be good markers of cytokine-mediated inflammatory processes in RA. Altered metabolic fingerprints may be useful in predicting the development of RA in patients with early arthritis as well as in the evaluation of the treatment response. Evidence supports the role of metabolomic analysis as a novel and nontargeted approach for identifying potential biomarkers and for improving the clinical and therapeutical management of patients with chronic inflammatory diseases. Here, we review the metabolic changes occurring in the pathogenesis of RA as well as the implication of the metabolic features in the treatment response.
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Muñoz-Cánoves P, Serrano AL. Macrophages decide between regeneration and fibrosis in muscle. Trends Endocrinol Metab 2015; 26:449-50. [PMID: 26250053 DOI: 10.1016/j.tem.2015.07.005] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 07/22/2015] [Indexed: 10/23/2022]
Abstract
Defective muscle regeneration is usually accompanied by excessive matrix accumulation (fibrosis). A recent study reveals how this fibrotic process is prevented to allow successful regeneration, through a timely interplay between macrophages and fibro/adipogenic progenitor cells. This has biomedical relevance for fibrotic muscular dystrophies.
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Affiliation(s)
- Pura Muñoz-Cánoves
- Cell Biology Group, Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative diseases (CIBERNED), Barcelona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain.
| | - Antonio L Serrano
- Cell Biology Group, Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative diseases (CIBERNED), Barcelona, Spain.
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Naproxcinod shows significant advantages over naproxen in the mdx model of Duchenne Muscular Dystrophy. Orphanet J Rare Dis 2015; 10:101. [PMID: 26296873 PMCID: PMC4546261 DOI: 10.1186/s13023-015-0311-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 07/23/2015] [Indexed: 12/18/2022] Open
Abstract
Background In dystrophin-deficient muscles of Duchenne Muscular Dystrophy (DMD) patients and the mdx mouse model, nitric oxide (NO) signalling is impaired. Previous studies have shown that NO-donating drugs are beneficial in dystrophic mouse models. Recently, a long-term treatment (9 months) of mdx mice with naproxcinod, an NO-donating naproxen, has shown a significant improvement of the dystrophic phenotype with beneficial effects present throughout the disease progression. It remains however to be clearly dissected out which specific effects are due to the NO component compared with the anti-inflammatory activity associated with naproxen. Understanding the contribution of NO vs the anti-inflammatory effect is important, in view of the potential therapeutic perspective, and this is the final aim of this study. Methods Five-week-old mdx mice received either naproxcinod (30 mg/kg) or the equimolar dose of naproxen (20 mg/kg) in the diet for 6 months. Control mdx mice were used as reference. Treatments (or vehicle for control groups) were administered daily in the diet. For the first 3 months the study was performed in sedentary animals, then all mice were subjected to exercise until the sixth month. Skeletal muscle force was assessed by measuring whole body tension in sedentary animals as well as in exercised mice and resistance to fatigue was measured after 3 months of running exercise. At the end of 6 months of treatment, animals were sacrificed for histological analysis and measurement of naproxen levels in blood and skeletal muscle. Results Naproxcinod significantly ameliorated skeletal muscle force and resistance to fatigue in sedentary as well as in exercised mice, reduced inflammatory infiltrates and fibrosis deposition in both cardiac and diaphragm muscles. Conversely, the equimolar dose of naproxen showed no effects on fibrosis and improved muscle function only in sedentary mice, while the beneficial effects in exercised mice were lost demonstrating a limited and short-term effect. Conclusion In conclusion, this study shows that NO donation may have an important role, in addition to anti-inflammatory activity, in slowing down the progression of the disease in the mdx mouse model therefore positioning naproxcinod as a promising candidate for treatment of DMD. Electronic supplementary material The online version of this article (doi:10.1186/s13023-015-0311-0) contains supplementary material, which is available to authorized users.
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Sciorati C, Clementi E, Manfredi AA, Rovere-Querini P. Fat deposition and accumulation in the damaged and inflamed skeletal muscle: cellular and molecular players. Cell Mol Life Sci 2015; 72:2135-56. [PMID: 25854633 PMCID: PMC11113943 DOI: 10.1007/s00018-015-1857-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 02/09/2015] [Accepted: 02/11/2015] [Indexed: 12/16/2022]
Abstract
The skeletal muscle has the capacity to repair damage by the activation and differentiation of fiber sub-laminar satellite cells. Regeneration impairment due to reduced satellite cells number and/or functional capacity leads to fiber substitution with ectopic tissues including fat and fibrous tissue and to the loss of muscle functions. Muscle mesenchymal cells that in physiological conditions sustain or directly contribute to regeneration differentiate in adipocytes in patients with persistent damage and inflammation of the skeletal muscle. These cells comprise the fibro-adipogenic precursors, the PW1-expressing cells and some interstitial cells associated with vessels (pericytes, mesoangioblasts and myoendothelial cells). Resident fibroblasts that are responsible for collagen deposition and extracellular matrix remodeling during regeneration yield fibrotic tissue and can differentiate into adipose cells. Some authors have also proposed that satellite cells themselves could transdifferentiate into adipocytes, although recent results by lineage tracing techniques seem to put this theory to discussion. This review summarizes findings about muscle resident mesenchymal cell differentiation in adipocytes and recapitulates the molecular mediators involved in intramuscular adipose tissue deposition.
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Affiliation(s)
- Clara Sciorati
- Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, via Olgettina 58, 20132, Milan, Italy,
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Pessina P, Kharraz Y, Jardí M, Fukada SI, Serrano AL, Perdiguero E, Muñoz-Cánoves P. Fibrogenic Cell Plasticity Blunts Tissue Regeneration and Aggravates Muscular Dystrophy. Stem Cell Reports 2015; 4:1046-60. [PMID: 25981413 PMCID: PMC4472037 DOI: 10.1016/j.stemcr.2015.04.007] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Revised: 04/17/2015] [Accepted: 04/17/2015] [Indexed: 01/26/2023] Open
Abstract
Preservation of cell identity is necessary for homeostasis of most adult tissues. This process is challenged every time a tissue undergoes regeneration after stress or injury. In the lethal Duchenne muscular dystrophy (DMD), skeletal muscle regenerative capacity declines gradually as fibrosis increases. Using genetically engineered tracing mice, we demonstrate that, in dystrophic muscle, specialized cells of muscular, endothelial, and hematopoietic origins gain plasticity toward a fibrogenic fate via a TGFβ-mediated pathway. This results in loss of cellular identity and normal function, with deleterious consequences for regeneration. Furthermore, this fibrogenic process involves acquisition of a mesenchymal progenitor multipotent status, illustrating a link between fibrogenesis and gain of progenitor cell functions. As this plasticity also was observed in DMD patients, we propose that mesenchymal transitions impair regeneration and worsen diseases with a fibrotic component.
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Affiliation(s)
- Patrizia Pessina
- Cell Biology Group, Department of Experimental and Health Sciences (DCEXS), Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Dr. Aiguader, 88, 08003 Barcelona, Spain
| | - Yacine Kharraz
- Cell Biology Group, Department of Experimental and Health Sciences (DCEXS), Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Dr. Aiguader, 88, 08003 Barcelona, Spain
| | - Mercè Jardí
- Cell Biology Group, Department of Experimental and Health Sciences (DCEXS), Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Dr. Aiguader, 88, 08003 Barcelona, Spain
| | - So-ichiro Fukada
- Laboratory of Molecular and Cellular Physiology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Antonio L Serrano
- Cell Biology Group, Department of Experimental and Health Sciences (DCEXS), Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Dr. Aiguader, 88, 08003 Barcelona, Spain
| | - Eusebio Perdiguero
- Cell Biology Group, Department of Experimental and Health Sciences (DCEXS), Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Dr. Aiguader, 88, 08003 Barcelona, Spain
| | - Pura Muñoz-Cánoves
- Cell Biology Group, Department of Experimental and Health Sciences (DCEXS), Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), Dr. Aiguader, 88, 08003 Barcelona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Passeig Lluís Companys, 23, 08010 Barcelona, Spain.
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Abstract
The immune system, best known as the first line of defense against invading pathogens, is integral to tissue development, homeostasis, and wound repair. In recent years, there has been a growing appreciation that cellular and humoral components of the immune system also contribute to regeneration of damaged tissues, including limbs, skeletal muscle, heart, and the nervous system. Here, we discuss key findings that implicate inflammatory cells and their secreted factors in tissue replacement after injury via stem cells and other reparative mechanisms. We highlight clinical conditions that are amenable to immune-mediated regeneration and suggest immune targeting strategies for tissue regeneration.
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Affiliation(s)
- Arin B Aurora
- Department of Molecular Biology and Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA
| | - Eric N Olson
- Department of Molecular Biology and Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA.
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Wermuth PJ, Jimenez SA. The significance of macrophage polarization subtypes for animal models of tissue fibrosis and human fibrotic diseases. Clin Transl Med 2015; 4:2. [PMID: 25852818 PMCID: PMC4384891 DOI: 10.1186/s40169-015-0047-4] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Accepted: 01/20/2015] [Indexed: 12/15/2022] Open
Abstract
The systemic and organ-specific human fibrotic disorders collectively represent one of the most serious health problems world-wide causing a large proportion of the total world population mortality. The molecular pathways involved in their pathogenesis are complex and despite intensive investigations have not been fully elucidated. Whereas chronic inflammatory cell infiltration is universally present in fibrotic lesions, the central role of monocytes and macrophages as regulators of inflammation and fibrosis has only recently become apparent. However, the precise mechanisms involved in the contribution of monocytes/macrophages to the initiation, establishment, or progression of the fibrotic process remain largely unknown. Several monocyte and macrophage subpopulations have been identified, with certain phenotypes promoting inflammation whereas others display profibrotic effects. Given the unmet need for effective treatments for fibroproliferative diseases and the crucial regulatory role of monocyte/macrophage subpopulations in fibrogenesis, the development of therapeutic strategies that target specific monocyte/macrophage subpopulations has become increasingly attractive. We will provide here an overview of the current understanding of the role of monocyte/macrophage phenotype subpopulations in animal models of tissue fibrosis and in various systemic and organ-specific human fibrotic diseases. Furthermore, we will discuss recent approaches to the design of effective anti-fibrotic therapeutic interventions by targeting the phenotypic differences identified between the various monocyte and macrophage subpopulations.
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Affiliation(s)
- Peter J Wermuth
- Jefferson Institute of Molecular Medicine, Thomas Jefferson University, Bluemle Life Science Building Suite 509, 233 South 10th Street, Philadelphia, PA 19107-5541 USA
| | - Sergio A Jimenez
- Jefferson Institute of Molecular Medicine, Thomas Jefferson University, Bluemle Life Science Building Suite 509, 233 South 10th Street, Philadelphia, PA 19107-5541 USA
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50
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Sawano S, Suzuki T, Do MKQ, Ohtsubo H, Mizunoya W, Ikeuchi Y, Tatsumi R. Supplementary immunocytochemistry of hepatocyte growth factor production in activated macrophages early in muscle regeneration. Anim Sci J 2014; 85:994-1000. [DOI: 10.1111/asj.12264] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Accepted: 06/06/2014] [Indexed: 12/31/2022]
Affiliation(s)
- Shoko Sawano
- Department of Animal and Marine Bioresource Sciences; Graduate School of Agriculture; Kyushu University; Fukuoka Japan
| | - Takahiro Suzuki
- Department of Animal and Marine Bioresource Sciences; Graduate School of Agriculture; Kyushu University; Fukuoka Japan
| | - Mai-Khoi Q. Do
- Department of Animal and Marine Bioresource Sciences; Graduate School of Agriculture; Kyushu University; Fukuoka Japan
| | - Hideaki Ohtsubo
- Department of Animal and Marine Bioresource Sciences; Graduate School of Agriculture; Kyushu University; Fukuoka Japan
| | - Wataru Mizunoya
- Department of Animal and Marine Bioresource Sciences; Graduate School of Agriculture; Kyushu University; Fukuoka Japan
| | - Yoshihide Ikeuchi
- Department of Animal and Marine Bioresource Sciences; Graduate School of Agriculture; Kyushu University; Fukuoka Japan
| | - Ryuichi Tatsumi
- Department of Animal and Marine Bioresource Sciences; Graduate School of Agriculture; Kyushu University; Fukuoka Japan
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