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ProNGF/p75NTR Axis Drives Fiber Type Specification by Inducing the Fast-Glycolytic Phenotype in Mouse Skeletal Muscle Cells. Cells 2020; 9:cells9102232. [PMID: 33023189 PMCID: PMC7599914 DOI: 10.3390/cells9102232] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 09/28/2020] [Accepted: 09/30/2020] [Indexed: 12/16/2022] Open
Abstract
Despite its undisputable role in the homeostatic regulation of the nervous system, the nerve growth factor (NGF) also governs the relevant cellular processes in other tissues and organs. In this study, we aimed at assessing the expression and the putative involvement of NGF signaling in skeletal muscle physiology. To reach this objective, we employed satellite cell-derived myoblasts as an in vitro culture model. In vivo experiments were performed on Tibialis anterior from wild-type mice and an mdx mouse model of Duchenne muscular dystrophy. Targets of interest were mainly assessed by means of morphological, Western blot and qRT-PCR analysis. The results show that proNGF is involved in myogenic differentiation. Importantly, the proNGF/p75NTR pathway orchestrates a slow-to-fast fiber type transition by counteracting the expression of slow myosin heavy chain and that of oxidative markers. Concurrently, proNGF/p75NTR activation facilitates the induction of fast myosin heavy chain and of fast/glycolytic markers. Furthermore, we also provided evidence that the oxidative metabolism is impaired in mdx mice, and that these alterations are paralleled by a prominent buildup of proNGF and p75NTR. These findings underline that the proNGF/p75NTR pathway may play a crucial role in fiber type determination and suggest its prospective modulation as an innovative therapeutic approach to counteract muscle disorders.
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Carias KV, Wevrick R. Preclinical Testing in Translational Animal Models of Prader-Willi Syndrome: Overview and Gap Analysis. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2019; 13:344-358. [PMID: 30989085 PMCID: PMC6447752 DOI: 10.1016/j.omtm.2019.03.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Prader-Willi syndrome (PWS) is a rare neurodevelopmental disorder causing endocrine, musculoskeletal, and neurological dysfunction. PWS is caused by the inactivation of contiguous genes, complicating the development of targeted therapeutics. Clinical trials are now underway in PWS, with more trials to be implemented in the next few years. PWS-like endophenotypes are recapitulated in gene-targeted mice in which the function of one or more PWS genes is disrupted. These animal models can guide priorities for clinical trials or provide information about efficacy of a compound within the context of the specific disease. We now review the current status of preclinical studies that measure the effect of therapeutics on PWS-like endophenotypes. Seven categories of therapeutics (oxytocin and related compounds, K+-ATP channel agonists, melanocortin 4 receptor agonists, incretin mimetics and/or GLP-1 receptor agonists, cannabinoids, ghrelin agents, and Caralluma fimbriata [cactus] extract) have been tested for their effect on endophenotypes in both PWS animal models and clinical trials. Many other therapeutics have been tested in clinical trials, but not preclinical models of PWS or vice versa. Fostering dialogs among investigators performing preclinical validation of animal models and those implementing clinical studies will accelerate the discovery and translation of therapies into clinical practice in PWS.
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Affiliation(s)
- K Vanessa Carias
- Department of Medical Genetics, University of Alberta, Edmonton, AB, Canada
| | - Rachel Wevrick
- Department of Medical Genetics, University of Alberta, Edmonton, AB, Canada
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Moyle LA, Tedesco FS, Benedetti S. Pericytes in Muscular Dystrophies. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1147:319-344. [PMID: 31147885 DOI: 10.1007/978-3-030-16908-4_15] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The muscular dystrophies are an heterogeneous group of inherited myopathies characterised by the progressive wasting of skeletal muscle tissue. Pericytes have been shown to make muscle in vitro and to contribute to skeletal muscle regeneration in several animal models, although recent data has shown this to be controversial. In fact, some pericyte subpopulations have been shown to contribute to fibrosis and adipose deposition in muscle. In this chapter, we explore the identity and the multifaceted role of pericytes in dystrophic muscle, potential therapeutic applications and the current need to overcome the hurdles of characterisation (both to identify pericyte subpopulations and track cell fate), to prevent deleterious differentiation towards myogenic-inhibiting subpopulations, and to improve cell proliferation and engraftment efficacy.
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Affiliation(s)
- Louise Anne Moyle
- Institute of Biomaterials and Biomedical Engineering, Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON, Canada
| | - Francesco Saverio Tedesco
- Department of Cell and Developmental Biology, University College London, London, UK.
- Great Ormond Street Institute of Child Health, University College London, London, UK.
| | - Sara Benedetti
- Great Ormond Street Institute of Child Health, University College London, London, UK.
- NIHR Great Ormond Street Hospital Biomedical Research Centre, London, UK.
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Ju H, Lee S, Lee J, Ghil S. Necdin modulates osteogenic cell differentiation by regulating Dlx5 and MAGE-D1. Biochem Biophys Res Commun 2017; 489:109-115. [PMID: 28528976 DOI: 10.1016/j.bbrc.2017.05.101] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Accepted: 05/17/2017] [Indexed: 02/05/2023]
Abstract
Osteoblasts originate from mesenchymal stem cells that also differentiate into adipocytes, myoblasts, chondrocytes and fibroblasts. Osteogenic differentiation involves diverse regulatory proteins, including transcription and growth factors. Neurally differentiated embryonal carcinoma-derived protein (Necdin) has been identified as a key regulator of cell differentiation in various tissues, including neuronal, adipose, and muscular tissues; although its role in bone tissue remains to be established. Here, we investigated the potential involvement of Necdin in osteogenic differentiation. Our experiments revealed high expression of Necdin during osteoblast differentiation. Moreover, both transient and stable expression of Necdin induced osteoblast-specific markers in an osteogenic cell line through formation of a complex with melanoma-associated antigen D1 (MAGE-D1) and distal-less Homeobox 5 (Dlx5) and Runx2 promoter activation. Necdin expression was further associated with suppression of both cell proliferation and death in osteoblasts. Our results suggest that Necdin plays roles in cellular differentiation, proliferation and death in bone tissue.
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Affiliation(s)
- Hyunhee Ju
- Department of Life Science, Kyonggi University, Suwon 16227, Republic of Korea
| | - Sangho Lee
- Department of Life Science, Kyonggi University, Suwon 16227, Republic of Korea
| | - Jinyong Lee
- Department of Life Science, Kyonggi University, Suwon 16227, Republic of Korea
| | - Sungho Ghil
- Department of Life Science, Kyonggi University, Suwon 16227, Republic of Korea.
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Berry SE. Concise review: mesoangioblast and mesenchymal stem cell therapy for muscular dystrophy: progress, challenges, and future directions. Stem Cells Transl Med 2015; 4:91-8. [PMID: 25391645 PMCID: PMC4275006 DOI: 10.5966/sctm.2014-0060] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Accepted: 10/13/2014] [Indexed: 12/26/2022] Open
Abstract
Mesenchymal stem cells (MSCs) and mesoangioblasts (MABs) are multipotent cells that differentiate into specialized cells of mesodermal origin, including skeletal muscle cells. Because of their potential to differentiate into the skeletal muscle lineage, these multipotent cells have been tested for their capacity to participate in regeneration of damaged skeletal muscle in animal models of muscular dystrophy. MSCs and MABs infiltrate dystrophic muscle from the circulation, engraft into host fibers, and bring with them proteins that replace the functions of those missing or truncated. The potential for systemic delivery of these cells increases the feasibility of stem cell therapy for the large numbers of affected skeletal muscles in patients with muscular dystrophy. The present review focused on the results of preclinical studies with MSCs and MABs in animal models of muscular dystrophy. The goals of the present report were to (a) summarize recent results, (b) compare the efficacy of MSCs and MABs derived from different tissues in restoration of protein expression and/or improvement in muscle function, and (c) discuss future directions for translating these discoveries to the clinic. In addition, although systemic delivery of MABs and MSCs is of great importance for reaching dystrophic muscles, the potential concerns related to this method of stem cell transplantation are discussed.
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Affiliation(s)
- Suzanne E Berry
- Department of Comparative Biosciences, Institute for Genomic Biology, and Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
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Ju H, Lee S, Kang S, Kim SS, Ghil S. The alpha subunit of Go modulates cell proliferation and differentiation through interactions with Necdin. Cell Commun Signal 2014; 12:39. [PMID: 25012566 PMCID: PMC4227020 DOI: 10.1186/s12964-014-0039-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 06/12/2014] [Indexed: 11/23/2022] Open
Abstract
Background Heterotrimeric GTP-binding proteins (G-proteins) play an important role in mediating signal transduction generated by neurotransmitters or hormones. Go, a member of the Gi/Go subfamily, is the most abundant G-protein found in the brain. Recently, the alpha subunit of Go (Gαo) was characterized as an inducer of neuronal differentiation. However, its underlying molecular mechanisms have remained unclear to date, since the downstream effectors of Gαo are ambiguous. Results A neurally differentiated embryonal carcinoma-derived protein (Necdin) was isolated as an interacting partner for Gαo from a mouse brain cDNA library using yeast two-hybrid screening. Interactions between the proteins were confirmed with several affinity binding assays, both in vitro and in vivo. Necdin interacted directly and preferentially with activated Gαo, compared to wild-type protein. Interestingly, Gαo did not interact with Gαi, despite high sequence homology between the two proteins. We subsequently analyzed whether Gαo modulates the cellular activities of Necdin. Notably, expression of Gαo significantly augmented Necdin-mediated cellular responses, such as proliferation and differentiation. Moreover, activation of type 1 cannabinoid receptor (CB1R), a Gi/oα-coupled receptor, augmented cell growth suppression, which was mediated by Gαo and Necdin in U87MG cells containing CB1R, Gαo, and Necdin as normal components. Conclusions These results collectively suggest that Necdin is a candidate downstream effector for Gαo. Our findings provide novel insights into the cellular roles of Gαo and its coupled receptor.
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Azzoni E, Conti V, Campana L, Dellavalle A, Adams RH, Cossu G, Brunelli S. Hemogenic endothelium generates mesoangioblasts that contribute to several mesodermal lineages in vivo. Development 2014; 141:1821-34. [DOI: 10.1242/dev.103242] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The embryonic endothelium is a known source of hematopoietic stem cells. Moreover, vessel-associated progenitors/stem cells with multilineage mesodermal differentiation potential, such as the ‘embryonic mesoangioblasts’, originate in vitro from the endothelium. Using a genetic lineage tracing approach, we show that early extra-embryonic endothelium generates, in a narrow time-window and prior to the hemogenic endothelium in the major embryonic arteries, hematopoietic cells that migrate to the embryo proper, and are subsequently found within the mesenchyme. A subpopulation of these cells, distinct from embryonic macrophages, co-expresses mesenchymal and hematopoietic markers. In addition, hemogenic endothelium-derived cells contribute to skeletal and smooth muscle, and to other mesodermal cells in vivo, and display features of embryonic mesoangioblasts in vitro. Therefore, we provide new insights on the distinctive characteristics of the extra-embryonic and embryonic hemogenic endothelium, and we identify the putative in vivo counterpart of embryonic mesoangioblasts, suggesting their identity and developmental ontogeny.
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Affiliation(s)
- Emanuele Azzoni
- Department of Health Sciences, University of Milano-Bicocca, Monza 20900, Italy
- San Raffaele Scientific Institute, Division of Regenerative Medicine, Stem Cells and Gene Therapy, Via Olgettina 58, Milan 20132, Italy
| | - Valentina Conti
- Department of Health Sciences, University of Milano-Bicocca, Monza 20900, Italy
- San Raffaele Scientific Institute, Division of Regenerative Medicine, Stem Cells and Gene Therapy, Via Olgettina 58, Milan 20132, Italy
| | - Lara Campana
- San Raffaele Scientific Institute, Division of Regenerative Medicine, Stem Cells and Gene Therapy, Via Olgettina 58, Milan 20132, Italy
| | - Arianna Dellavalle
- San Raffaele Scientific Institute, Division of Regenerative Medicine, Stem Cells and Gene Therapy, Via Olgettina 58, Milan 20132, Italy
| | - Ralf H. Adams
- Max Planck Institute for Molecular Biomedicine, Department of Tissue Morphogenesis, Münster D-48149, Germany
- University of Münster, Faculty of Medicine, Münster D-48149, Germany
| | - Giulio Cossu
- San Raffaele Scientific Institute, Division of Regenerative Medicine, Stem Cells and Gene Therapy, Via Olgettina 58, Milan 20132, Italy
- Institute of Inflammation and Repair, University of Manchester, Manchester M13 9PL, UK
| | - Silvia Brunelli
- Department of Health Sciences, University of Milano-Bicocca, Monza 20900, Italy
- San Raffaele Scientific Institute, Division of Regenerative Medicine, Stem Cells and Gene Therapy, Via Olgettina 58, Milan 20132, Italy
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Pannérec A, Formicola L, Besson V, Marazzi G, Sassoon DA. Defining skeletal muscle resident progenitors and their cell fate potentials. Development 2013; 140:2879-91. [PMID: 23739133 DOI: 10.1242/dev.089326] [Citation(s) in RCA: 107] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The satellite cell is the major tissue-resident stem cell underlying muscle regeneration; however, multiple non-satellite myogenic progenitors as well as non-myogenic populations that support the muscle regenerative process have been identified. PW1 is expressed in satellite cells as well as in a subset of interstitial cells with myogenic potential termed PICs (PW1+ interstitial cells). Microarray profiling revealed that PICs express a broad range of genes common to mesenchymal stem cells, whereas satellite cells express genes consistent with a committed myogenic progenitor. Isolated PICs from both young and adult muscles can differentiate into smooth and skeletal muscle and fat whereas satellite cells are restricted to a skeletal muscle fate. We demonstrate that the adipogenic potential of PICs corresponds to a subpopulation that expresses platelet derived growth factor receptor alpha (PDGFRα) and overlaps with the recently described interstitial adipogenic progenitors. By contrast, PICs with myogenic potential do not express PDGFRα. Moreover, we observe a discrete and transient population of juvenile PICs based upon SCA1 expression that disappears by 3 weeks of postnatal development coincident with a switch in the cellular and genetic mechanisms underlying postnatal muscle growth.
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Affiliation(s)
- Alice Pannérec
- Myology Group, UMR S 787 INSERM, University of Pierre and Marie Curie Paris VI, Paris 75634, France
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Rigamonti E, Touvier T, Clementi E, Manfredi AA, Brunelli S, Rovere-Querini P. Requirement of inducible nitric oxide synthase for skeletal muscle regeneration after acute damage. THE JOURNAL OF IMMUNOLOGY 2013; 190:1767-77. [PMID: 23335752 DOI: 10.4049/jimmunol.1202903] [Citation(s) in RCA: 90] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Adult skeletal muscle regeneration results from activation, proliferation, and fusion of muscle stem cells, such as myogenic precursor cells. Macrophages are consistently present in regenerating skeletal muscles and participate into the repair process. The signals involved in the cross-talk between various macrophage populations and myogenic precursor cells have been only partially identified. In this study, we show a key role of inducible NO synthase (iNOS), expressed by classically activated macrophages in the healing of skeletal muscle. We found that, after sterile injury, iNOS expression is required for effective regeneration of the tissue, as myogenic precursor cells in the muscle of injured iNOS(-/-) mice fail to proliferate and differentiate. We also found that iNOS modulates inflammatory cell recruitment: damaged muscles of iNOS(-/-) animals express significantly higher levels of chemokines such as MIP2, MCP1, MIP-1α, and MCP1, and display more infiltrating neutrophils after injury and a persistence of macrophages at later time points. Finally, we found that iNOS expression in the injured muscle is restricted to infiltrating macrophages. To our knowledge, these data thus provide the first evidence that iNOS expression by infiltrating macrophages contributes to muscle regeneration, revealing a novel mechanism of inflammation-dependent muscle healing.
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Affiliation(s)
- Elena Rigamonti
- Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, 20132 Milan, Italy
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François S, D'Orlando C, Fatone T, Touvier T, Pessina P, Meneveri R, Brunelli S. Necdin enhances myoblasts survival by facilitating the degradation of the mediator of apoptosis CCAR1/CARP1. PLoS One 2012; 7:e43335. [PMID: 22905258 PMCID: PMC3419192 DOI: 10.1371/journal.pone.0043335] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Accepted: 07/20/2012] [Indexed: 01/23/2023] Open
Abstract
Regeneration of muscle fibers, lost during pathological muscle degeneration or after injuries, is sustained by the production of new myofibers by means of the satellite cells. Survival of the satellite cells is a critical requirement for efficient muscle reconstitution. Necdin, a member of the MAGE proteins family, is expressed in satellite cell-derived myogenic precursors during perinatal growth and in the adult upon activation during muscle regeneration, where it plays an important role both in myoblast differentiation and survival. We show here that necdin exerts its pro-survival activity by counteracting the action of the pro-apoptotic protein Cell Cycle Apoptosis Regulatory Protein (CCAR1/CARP1) that we have identified as a new molecular interactor of necdin by two-hybrid screening. Necdin is responsible for the maintenance of CCAR1 protein levels, by implementing its ubiquitination and degradation through the proteasome. Taken together, these data shed new light on the molecular mechanism of necdin anti-apoptotic activity in myogenesis.
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Affiliation(s)
- Stephanie François
- Department of Experimental Medicine, University of Milano-Bicocca, Monza, Italy
| | - Cristina D'Orlando
- Department of Experimental Medicine, University of Milano-Bicocca, Monza, Italy
| | - Tiziana Fatone
- Department of Experimental Medicine, University of Milano-Bicocca, Monza, Italy
| | | | - Patrizia Pessina
- Department of Experimental Medicine, University of Milano-Bicocca, Monza, Italy
| | - Raffaella Meneveri
- Department of Experimental Medicine, University of Milano-Bicocca, Monza, Italy
| | - Silvia Brunelli
- Department of Experimental Medicine, University of Milano-Bicocca, Monza, Italy
- Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
- * E-mail:
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Bosurgi L, Corna G, Vezzoli M, Touvier T, Cossu G, Manfredi AA, Brunelli S, Rovere-Querini P. Transplanted mesoangioblasts require macrophage IL-10 for survival in a mouse model of muscle injury. THE JOURNAL OF IMMUNOLOGY 2012; 188:6267-77. [PMID: 22573810 DOI: 10.4049/jimmunol.1102680] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The aim of this study was to verify whether macrophages influence the fate of transplanted mesoangioblasts--vessel-associated myogenic precursors--in a model of sterile toxin-induced skeletal muscle injury. We have observed that in the absence of macrophages, transplanted mesoangioblasts do not yield novel fibers. Macrophages retrieved from skeletal muscles at various times after injury display features that resemble those of immunoregulatory macrophages. Indeed, they secrete IL-10 and express CD206 and CD163 membrane receptors and high amounts of arginase I. We have reconstituted the muscle-associated macrophage population by injecting polarized macrophages before mesoangioblast injection: alternatively activated, immunoregulatory macrophages only support mesoangioblast survival and function. This action depends on the secretion of IL-10 in the tissue. Our results reveal an unanticipated role for tissue macrophages in mesoangioblast function. Consequently, the treatment of muscle disorders with mesoangioblasts should take into consideration coexisting inflammatory pathways, whose activation may prove crucial for its success.
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Affiliation(s)
- Lidia Bosurgi
- Division of Regenerative Medicine, San Raffaele Scientific Institute, 20132 Milan, Italy
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