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Peng Y, Du J, Li R, Günther S, Wettschureck N, Offermanns S, Wang Y, Schneider A, Braun T. RhoA-mediated G 12-G 13 signaling maintains muscle stem cell quiescence and prevents stem cell loss. Cell Discov 2024; 10:76. [PMID: 39009565 DOI: 10.1038/s41421-024-00696-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 05/27/2024] [Indexed: 07/17/2024] Open
Abstract
Multiple processes control quiescence of muscle stem cells (MuSCs), which is instrumental to guarantee long-term replenishment of the stem cell pool. Here, we describe that the G-proteins G12-G13 integrate signals from different G-protein-coupled receptors (GPCRs) to control MuSC quiescence via activation of RhoA. Comprehensive screening of GPCR ligands identified two MuSC-niche-derived factors, endothelin-3 (ET-3) and neurotensin (NT), which activate G12-G13 signaling in MuSCs. Stimulation with ET-3 or NT prevented MuSC activation, whereas pharmacological inhibition of ET-3 or NT attenuated MuSC quiescence. Inactivation of Gna12-Gna13 or Rhoa but not of Gnaq-Gna11 completely abrogated MuSC quiescence, which depleted the MuSC pool and was associated with accelerated sarcopenia during aging. Expression of constitutively active RhoA prevented exit from quiescence in Gna12-Gna13 mutant MuSCs, inhibiting cell cycle entry and differentiation via Rock and formins without affecting Rac1-dependent MuSC projections, a hallmark of quiescent MuSCs. The study uncovers a critical role of G12-G13 and RhoA signaling for active regulation of MuSC quiescence.
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Affiliation(s)
- Yundong Peng
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.
| | - Jingjing Du
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Rui Li
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Stefan Günther
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Nina Wettschureck
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
- Member of the German Center for Cardiovascular Research (DZHK), member of the German Center for Lung Research (DZL), Berlin, Germany
| | - Stefan Offermanns
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
- Member of the German Center for Cardiovascular Research (DZHK), member of the German Center for Lung Research (DZL), Berlin, Germany
| | - Yan Wang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Andre Schneider
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Thomas Braun
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.
- Member of the German Center for Cardiovascular Research (DZHK), member of the German Center for Lung Research (DZL), Berlin, Germany.
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2
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Yu Y, Su Y, Wang G, Lan M, Liu J, Garcia Martin R, Brandao BB, Lino M, Li L, Liu C, Kahn CR, Meng Q. Reciprocal communication between FAPs and muscle cells via distinct extracellular vesicle miRNAs in muscle regeneration. Proc Natl Acad Sci U S A 2024; 121:e2316544121. [PMID: 38442155 PMCID: PMC10945765 DOI: 10.1073/pnas.2316544121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 02/06/2024] [Indexed: 03/07/2024] Open
Abstract
Muscle regeneration is a complex process relying on precise teamwork between multiple cell types, including muscle stem cells (MuSCs) and fibroadipogenic progenitors (FAPs). FAPs are also the main source of intramuscular adipose tissue (IMAT). Muscles without FAPs exhibit decreased IMAT infiltration but also deficient muscle regeneration, indicating the importance of FAPs in the repair process. Here, we demonstrate the presence of bidirectional crosstalk between FAPs and MuSCs via their secretion of extracellular vesicles (EVs) containing distinct clusters of miRNAs that is crucial for normal muscle regeneration. Thus, after acute muscle injury, there is activation of FAPs leading to a transient rise in IMAT. These FAPs also release EVs enriched with a selected group of miRNAs, a number of which come from an imprinted region on chromosome 12. The most abundant of these is miR-127-3p, which targets the sphingosine-1-phosphate receptor S1pr3 and activates myogenesis. Indeed, intramuscular injection of EVs from immortalized FAPs speeds regeneration of injured muscle. In late stages of muscle repair, in a feedback loop, MuSCs and their derived myoblasts/myotubes secrete EVs enriched in miR-206-3p and miR-27a/b-3p. The miRNAs repress FAP adipogenesis, allowing full muscle regeneration. Together, the reciprocal communication between FAPs and muscle cells via miRNAs in their secreted EVs plays a critical role in limiting IMAT infiltration while stimulating muscle regeneration, hence providing an important mechanism for skeletal muscle repair and homeostasis.
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Affiliation(s)
- Yingying Yu
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, Department of Genetics and Molecular biology, China Agricultural University, Beijing100193, China
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Department of Medicine, Harvard Medical School, Boston, MA02215
| | - Yang Su
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, Department of Genetics and Molecular biology, China Agricultural University, Beijing100193, China
- Department of Cell Biology, Third Military Medical University, Chongqing400038, China
| | - Guoxiao Wang
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Department of Medicine, Harvard Medical School, Boston, MA02215
| | - Miaomiao Lan
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, Department of Genetics and Molecular biology, China Agricultural University, Beijing100193, China
| | - Jin Liu
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, Department of Genetics and Molecular biology, China Agricultural University, Beijing100193, China
| | - Ruben Garcia Martin
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Department of Medicine, Harvard Medical School, Boston, MA02215
| | - Bruna Brasil Brandao
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Department of Medicine, Harvard Medical School, Boston, MA02215
| | - Marsel Lino
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Department of Medicine, Harvard Medical School, Boston, MA02215
| | - Lei Li
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, Department of Genetics and Molecular biology, China Agricultural University, Beijing100193, China
| | - Chang Liu
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, Department of Genetics and Molecular biology, China Agricultural University, Beijing100193, China
| | - C. Ronald Kahn
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Department of Medicine, Harvard Medical School, Boston, MA02215
| | - Qingyong Meng
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, Department of Genetics and Molecular biology, China Agricultural University, Beijing100193, China
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3
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Yuen JS, Barrick BM, DiCindio H, Pietropinto JA, Kaplan DL. Optimization of Culture Media and Cell Ratios for 3D In Vitro Skeletal Muscle Tissues with Endothelial Cells. ACS Biomater Sci Eng 2023; 9:4558-4566. [PMID: 37326372 DOI: 10.1021/acsbiomaterials.3c00358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
A major challenge of engineering larger macroscale tissues in vitro is the limited diffusion of nutrients and oxygen to the interior. For skeletal muscle, this limitation results in millimeter scale outcomes to avoid necrosis. One method to address this constraint may be to vascularize in vitro-grown muscle tissue, to support nutrient (culture media) flow into the interior of the structure. In this exploratory study, we examine culture conditions that enable myogenic development and endothelial cell survival within tissue engineered 3D muscles. Myoblasts (C2C12s), endothelial cells (HUVECs), and endothelial support cells (C3H 10T1/2s) were seeded into Matrigel-fibrin hydrogels and cast into 3D printed frames to form 3D in vitro skeletal muscle tissues. Our preliminary results suggest that the simultaneous optimization of culture media formulation and cell concentrations is necessary for 3D cultured muscles to exhibit robust myosin heavy chain expression and GFP expression from GFP-transfected endothelial cells. The ability to form differentiated 3D muscles containing endothelial cells is a key step toward achieving vascularized 3D muscle tissues, which have potential use as tissue for implantation in a medical setting, as well as for future foods such as cultivated meats.
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Affiliation(s)
- John Sk Yuen
- David Kaplan Laboratory, Biomedical Engineering Department, Tufts University, 4 Colby Street, Medford, Massachusetts 02215, United States
| | - Brigid M Barrick
- David Kaplan Laboratory, Biomedical Engineering Department, Tufts University, 4 Colby Street, Medford, Massachusetts 02215, United States
| | - Hailey DiCindio
- David Kaplan Laboratory, Biomedical Engineering Department, Tufts University, 4 Colby Street, Medford, Massachusetts 02215, United States
| | - Jaymie A Pietropinto
- David Kaplan Laboratory, Biomedical Engineering Department, Tufts University, 4 Colby Street, Medford, Massachusetts 02215, United States
| | - David L Kaplan
- David Kaplan Laboratory, Biomedical Engineering Department, Tufts University, 4 Colby Street, Medford, Massachusetts 02215, United States
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4
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Wang Y, Lu J, Liu Y. Skeletal Muscle Regeneration in Cardiotoxin-Induced Muscle Injury Models. Int J Mol Sci 2022; 23:ijms232113380. [PMID: 36362166 PMCID: PMC9657523 DOI: 10.3390/ijms232113380] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022] Open
Abstract
Skeletal muscle injuries occur frequently in daily life and exercise. Understanding the mechanisms of regeneration is critical for accelerating the repair and regeneration of muscle. Therefore, this article reviews knowledge on the mechanisms of skeletal muscle regeneration after cardiotoxin-induced injury. The process of regeneration is similar in different mouse strains and is inhibited by aging, obesity, and diabetes. Exercise, microcurrent electrical neuromuscular stimulation, and mechanical loading improve regeneration. The mechanisms of regeneration are complex and strain-dependent, and changes in functional proteins involved in the processes of necrotic fiber debris clearance, M1 to M2 macrophage conversion, SC activation, myoblast proliferation, differentiation and fusion, and fibrosis and calcification influence the final outcome of the regenerative activity.
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5
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Chen H, Wang J, Zhang C, Ding P, Tian S, Chen J, Ji G, Wu T. Sphingosine 1-phosphate receptor, a new therapeutic direction in different diseases. Biomed Pharmacother 2022; 153:113341. [PMID: 35785704 DOI: 10.1016/j.biopha.2022.113341] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 12/01/2022] Open
Abstract
Sphingosine 1-phosphate receptor (S1PR), as a kind of G protein-coupled receptor, has five subtypes, including S1PR1, S1PR2, S1PR3, S1PR4, and S1PR5. Sphingosine 1-phosphate receptor (S1P) and S1PR regulate the trafficking of neutrophils and some cells, which has great effects on immune systems, lung tissue, and liver tissue. Presently, many related reports have proved that S1PR has a strong effect on the migration of lymphocytes, tumor cells, neutrophils, and many other cells via the regulation of signals, pathways, and enzymes. In this way, S1PR can regulate the relative response of the organism. Thus, S1PR has become a possible target for the treatment of autoimmune diseases, pulmonary disease, liver disease, and cancer. In this review, we mainly focus on the research of the S1PR for the new therapeutic directions of different diseases and is expected to assist support in the clinic and drug use.
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Affiliation(s)
- Hongyu Chen
- Minhang Hospital, Fudan University, Shanghai 201199, China; Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Junmin Wang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Caiyun Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Peilun Ding
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Shuxia Tian
- Minhang Hospital, Fudan University, Shanghai 201199, China
| | - Junming Chen
- Minhang Hospital, Fudan University, Shanghai 201199, China.
| | - Guang Ji
- Institute of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China.
| | - Tao Wu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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6
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Meacci E, Pierucci F, Garcia-Gil M. Skeletal Muscle and COVID-19: The Potential Involvement of Bioactive Sphingolipids. Biomedicines 2022; 10:biomedicines10051068. [PMID: 35625805 PMCID: PMC9138286 DOI: 10.3390/biomedicines10051068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 01/08/2023] Open
Abstract
SARS-CoV-2 virus infection is the cause of the coronavirus disease 2019 (COVID-19), which is still spreading over the world. The manifestation of this disease can range from mild to severe and can be limited in time (weeks) or persist for months in about 30–50% of patients. COVID-19 is considered a multiple organ dysfunction syndrome and the musculoskeletal system manifestations are beginning to be considered of absolute importance in both COVID-19 patients and in patients recovering from the SARS-CoV-2 infection. Musculoskeletal manifestations of COVID-19 and other coronavirus infections include loss of muscle mass, muscle weakness, fatigue or myalgia, and muscle injury. The molecular mechanisms by which SARS-CoV-2 can cause damage to skeletal muscle (SkM) cells are not yet well understood. Sphingolipids (SLs) represent an important class of eukaryotic lipids with structural functions as well as bioactive molecules able to modulate crucial processes, including inflammation and viral infection. In the last two decades, several reports have highlighted the role of SLs in modulating SkM cell differentiation, regeneration, aging, response to insulin, and contraction. This review summarizes the consequences of SARS-CoV-2 infection on SkM and the potential involvement of SLs in the tissue responses to virus infection. In particular, we highlight the role of sphingosine 1-phosphate signaling in order to aid the prediction of novel targets for preventing and/or treating acute and long-term musculoskeletal manifestations of virus infection in COVID-19.
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Affiliation(s)
- Elisabetta Meacci
- Unit of Biochemical Sciences and Molecular Biology, Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale GB Morgagni 50, 50121 Florence, Italy;
- Interuniversity Institute of Myology, University of Florence, 50121 Florence, Italy
- Correspondence: ; Tel.: +39-055-2751231
| | - Federica Pierucci
- Unit of Biochemical Sciences and Molecular Biology, Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale GB Morgagni 50, 50121 Florence, Italy;
| | - Mercedes Garcia-Gil
- Unit of Physiology, Department of Biology, University of Pisa, Via S. Zeno 31, 56127 Pisa, Italy;
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, 56127 Pisa, Italy
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7
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Roux-Biejat P, Coazzoli M, Marrazzo P, Zecchini S, Di Renzo I, Prata C, Napoli A, Moscheni C, Giovarelli M, Barbalace MC, Catalani E, Bassi MT, De Palma C, Cervia D, Malaguti M, Hrelia S, Clementi E, Perrotta C. Acid Sphingomyelinase Controls Early Phases of Skeletal Muscle Regeneration by Shaping the Macrophage Phenotype. Cells 2021; 10:3028. [PMID: 34831250 PMCID: PMC8616363 DOI: 10.3390/cells10113028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/30/2021] [Accepted: 11/02/2021] [Indexed: 12/30/2022] Open
Abstract
Skeletal muscle regeneration is a complex process involving crosstalk between immune cells and myogenic precursor cells, i.e., satellite cells. In this scenario, macrophage recruitment in damaged muscles is a mandatory step for tissue repair since pro-inflammatory M1 macrophages promote the activation of satellite cells, stimulating their proliferation and then, after switching into anti-inflammatory M2 macrophages, they prompt satellite cells' differentiation into myotubes and resolve inflammation. Here, we show that acid sphingomyelinase (ASMase), a key enzyme in sphingolipid metabolism, is activated after skeletal muscle injury induced in vivo by the injection of cardiotoxin. ASMase ablation shortens the early phases of skeletal muscle regeneration without affecting satellite cell behavior. Of interest, ASMase regulates the balance between M1 and M2 macrophages in the injured muscles so that the absence of the enzyme reduces inflammation. The analysis of macrophage populations indicates that these events depend on the altered polarization of M1 macrophages towards an M2 phenotype. Our results unravel a novel role of ASMase in regulating immune response during muscle regeneration/repair and suggest ASMase as a supplemental therapeutic target in conditions of redundant inflammation that impairs muscle recovery.
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Affiliation(s)
- Paulina Roux-Biejat
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Marco Coazzoli
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Pasquale Marrazzo
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy; (P.M.); (M.C.B.); (M.M.); (S.H.)
| | - Silvia Zecchini
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Ilaria Di Renzo
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Cecilia Prata
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, 40126 Bologna, Italy;
| | - Alessandra Napoli
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Claudia Moscheni
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Matteo Giovarelli
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Maria Cristina Barbalace
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy; (P.M.); (M.C.B.); (M.M.); (S.H.)
| | - Elisabetta Catalani
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), Università degli Studi della Tuscia, 01100 Viterbo, Italy; (E.C.); (D.C.)
| | - Maria Teresa Bassi
- Scientific Institute IRCCS “Eugenio Medea”, 23842 Bosisio Parini, Italy;
| | - Clara De Palma
- Department of Medical Biotechnology and Translational Medicine (BIOMETRA), Università degli Studi di Milano, 20129 Milano, Italy;
| | - Davide Cervia
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), Università degli Studi della Tuscia, 01100 Viterbo, Italy; (E.C.); (D.C.)
| | - Marco Malaguti
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy; (P.M.); (M.C.B.); (M.M.); (S.H.)
| | - Silvana Hrelia
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy; (P.M.); (M.C.B.); (M.M.); (S.H.)
| | - Emilio Clementi
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
- Scientific Institute IRCCS “Eugenio Medea”, 23842 Bosisio Parini, Italy;
| | - Cristiana Perrotta
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
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8
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Jiang H, Gu J, Zhao H, Joshi S, Perlmutter JS, Gropler RJ, Klein RS, Benzinger TLS, Tu Z. PET Study of Sphingosine-1-phosphate Receptor 1 Expression in Response to S. aureus Infection. Mol Imaging 2021; 2021:9982020. [PMID: 34934406 PMCID: PMC8654346 DOI: 10.1155/2021/9982020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/02/2021] [Indexed: 11/22/2022] Open
Abstract
Sphingosine-1-phosphate receptor 1 (S1PR1) plays a crucial role in infectious diseases. Targeting S1PR1 provides protection against pathogens, such as influenza viruses. This study is aimed at investigating S1PR1 in response to bacterial infection by assessing S1PR1 expression in S. aureus-infected mice. A rodent local muscle bacterial infection model was developed by injecting S. aureus to the lower hind limb of Balb/c mice. The changes of S1PR1 expression in response to bacterial infection and blocking treatment were assessed using ex vivo biodistribution and in vivo positron emission tomography (PET) after intravenous injection of an S1PR1-specific radiotracer [18F]TZ4877. The specificity of [18F]TZ4877 was assessed using S1PR1-specific antagonist, NIBR-0213, and S1PR1-specific DsiRNA pretreated the animals. Immunohistochemical studies were performed to confirm the increase of S1PR1 expression in response to infection. Ex vivo biodistribution data showed that the uptake of [18F]TZ4877 was increased 30.6%, 54.3%, 74.3%, and 115.3% in the liver, kidney, pancreas, and thymus of the infected mice, respectively, compared to that in normal control mice, indicating that S1PR1 is involved in the early immune response to bacterial infection. NIBR-0213 or S1PR1-specific DsiRNA pretreatment reduced the tissue uptake of [18F]TZ4877, suggesting that uptake of [18F]TZ4877 is specific. Our PET/CT study data also confirmed that infected mice have increased [18F]TZ4877 uptake in several organs comparing to that in normal control mice. Particularly, compared to control mice, a 39% increase of [18F]TZ4877 uptake was observed in the infected muscle of S. aureus mice, indicating that S1PR1 expression was directly involved in the inflammatory response to infection. Overall, our study suggested that S1PR1 plays an important role in the early immune response to bacterial infection. The uptake of [18F]TZ4877 is tightly correlated with the S1R1 expression in response to S. aureus infection. PET with S1PR1-specific radiotracer [18F]TZ4877 could provide a noninvasive tool for detecting the early S1PR1 immune response to infectious diseases.
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Affiliation(s)
- Hao Jiang
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Jiwei Gu
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Haiyang Zhao
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Sumit Joshi
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Joel S. Perlmutter
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
- Department of Neuroscience, Neurology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Robert J. Gropler
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Robyn S. Klein
- Department of Neuroscience, Neurology, Washington University School of Medicine, St Louis, MO 63110, USA
- Department of Medicine, Washington University School of Medicine, St Louis, MO 63110, USA
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Tammie L. S. Benzinger
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
- Department of Neurological Surgery, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Zhude Tu
- Department of Radiology, Washington University School of Medicine, St Louis, MO 63110, USA
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9
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Buonaiuto G, Desideri F, Taliani V, Ballarino M. Muscle Regeneration and RNA: New Perspectives for Ancient Molecules. Cells 2021; 10:cells10102512. [PMID: 34685492 PMCID: PMC8533951 DOI: 10.3390/cells10102512] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 09/17/2021] [Accepted: 09/18/2021] [Indexed: 12/21/2022] Open
Abstract
The ability of the ribonucleic acid (RNA) to self-replicate, combined with a unique cocktail of chemical properties, suggested the existence of an RNA world at the origin of life. Nowadays, this hypothesis is supported by innovative high-throughput and biochemical approaches, which definitively revealed the essential contribution of RNA-mediated mechanisms to the regulation of fundamental processes of life. With the recent development of SARS-CoV-2 mRNA-based vaccines, the potential of RNA as a therapeutic tool has received public attention. Due to its intrinsic single-stranded nature and the ease with which it is synthesized in vitro, RNA indeed represents the most suitable tool for the development of drugs encompassing every type of human pathology. The maximum effectiveness and biochemical versatility is achieved in the guise of non-coding RNAs (ncRNAs), which are emerging as multifaceted regulators of tissue specification and homeostasis. Here, we report examples of coding and ncRNAs involved in muscle regeneration and discuss their potential as therapeutic tools. Small ncRNAs, such as miRNA and siRNA, have been successfully applied in the treatment of several diseases. The use of longer molecules, such as lncRNA and circRNA, is less advanced. However, based on the peculiar properties discussed below, they represent an innovative pool of RNA biomarkers and possible targets of clinical value.
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MESH Headings
- Animals
- Biomarkers/metabolism
- COVID-19
- Homeostasis
- Humans
- Mice
- MicroRNAs/metabolism
- Muscle, Skeletal/metabolism
- Muscle, Skeletal/pathology
- Muscle, Skeletal/virology
- Myocardium/metabolism
- Origin of Life
- RNA, Circular
- RNA, Long Noncoding/genetics
- RNA, Messenger/metabolism
- RNA, Small Interfering/metabolism
- RNA, Small Untranslated/genetics
- RNA, Untranslated/genetics
- RNA, Viral/metabolism
- Regeneration
- SARS-CoV-2/genetics
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Affiliation(s)
- Giulia Buonaiuto
- Department of Biology and Biotechnologies “Charles Darwin”, Sapienza University of Rome, 00185 Rome, Italy; (G.B.); (F.D.); (V.T.)
| | - Fabio Desideri
- Department of Biology and Biotechnologies “Charles Darwin”, Sapienza University of Rome, 00185 Rome, Italy; (G.B.); (F.D.); (V.T.)
- Center for Life Nano & Neuro-Science of Instituto Italiano di Tecnologia (IIT), 00161 Rome, Italy
| | - Valeria Taliani
- Department of Biology and Biotechnologies “Charles Darwin”, Sapienza University of Rome, 00185 Rome, Italy; (G.B.); (F.D.); (V.T.)
| | - Monica Ballarino
- Department of Biology and Biotechnologies “Charles Darwin”, Sapienza University of Rome, 00185 Rome, Italy; (G.B.); (F.D.); (V.T.)
- Correspondence:
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10
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Hymel LA, Ogle ME, Anderson SE, San Emeterio CL, Turner TC, York WY, Liu AY, Olingy CE, Sridhar S, Lim HS, Sulchek T, Qiu P, Jang YC, Willett NJ, Botchwey EA. Modulating local S1P receptor signaling as a regenerative immunotherapy after volumetric muscle loss injury. J Biomed Mater Res A 2021; 109:695-712. [PMID: 32608188 PMCID: PMC7772280 DOI: 10.1002/jbm.a.37053] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/08/2020] [Accepted: 06/12/2020] [Indexed: 12/17/2022]
Abstract
Regeneration of skeletal muscle after volumetric injury is thought to be impaired by a dysregulated immune microenvironment that hinders endogenous repair mechanisms. Such defects result in fatty infiltration, tissue scarring, chronic inflammation, and debilitating functional deficits. Here, we evaluated the key cellular processes driving dysregulation in the injury niche through localized modulation of sphingosine-1-phosphate (S1P) receptor signaling. We employ dimensionality reduction and pseudotime analysis on single cell cytometry data to reveal heterogeneous immune cell subsets infiltrating preclinical muscle defects due to S1P receptor inhibition. We show that global knockout of S1P receptor 3 (S1PR3) is marked by an increase of muscle stem cells within injured tissue, a reduction in classically activated relative to alternatively activated macrophages, and increased bridging of regenerating myofibers across the defect. We found that local S1PR3 antagonism via nanofiber delivery of VPC01091 replicated key features of pseudotime immune cell recruitment dynamics and enhanced regeneration characteristic of global S1PR3 knockout. Our results indicate that local S1P receptor modulation may provide an effective immunotherapy for promoting a proreparative environment leading to improved regeneration following muscle injury.
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Affiliation(s)
- Lauren A. Hymel
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Molly E. Ogle
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Shannon E. Anderson
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | | | - Thomas C. Turner
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - William Y. York
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Alan Y. Liu
- School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Claire E. Olingy
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Sraeyes Sridhar
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Hong Seo Lim
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Todd Sulchek
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, USA 30332
- School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Peng Qiu
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
| | - Young C. Jang
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, USA 30332
| | - Nick J. Willett
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
- Department of Orthopedics, Emory University, Atlanta, GA, USA 30322
- Atlanta Veteran’s Affairs Medical Center, Decatur, GA, 30030
| | - Edward A. Botchwey
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
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11
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Hodun K, Chabowski A, Baranowski M. Sphingosine-1-phosphate in acute exercise and training. Scand J Med Sci Sports 2020; 31:945-955. [PMID: 33345415 DOI: 10.1111/sms.13907] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/27/2020] [Accepted: 12/07/2020] [Indexed: 12/24/2022]
Abstract
Sphingosine-1-phosphate (S1P) is a bioactive sphingolipid found in all eukaryotic cells. Although it may function as an intracellular second messenger, most of its effects are induced extracellularly via activation of a family of five specific membrane receptors. Sphingosine-1-phosphate is enriched in plasma, where it is transported by high-density lipoprotein and albumin, as well as in erythrocytes and platelets which store and release large amounts of this sphingolipid. Sphingosine-1-phosphate regulates a host of cellular processes such as growth, proliferation, differentiation, migration, and apoptosis suppression. It was also shown to play an important role in skeletal muscle physiology and pathophysiology. In recent years, S1P metabolism in both muscle and blood was found to be modulated by exercise. In this review, we summarize the current knowledge on the effect of acute exercise and training on S1P metabolism, highlighting the role of this sphingolipid in skeletal muscle adaptation to physical effort.
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Affiliation(s)
- Katarzyna Hodun
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
| | - Adrian Chabowski
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
| | - Marcin Baranowski
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
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12
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Germinario E, Bondì M, Blaauw B, Betto R, Danieli-Betto D. Reduction of circulating sphingosine-1-phosphate worsens mdx soleus muscle dystrophic phenotype. Exp Physiol 2020; 105:1895-1906. [PMID: 32897592 DOI: 10.1113/ep088603] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 09/02/2020] [Indexed: 12/13/2022]
Abstract
NEW FINDINGS What is the central question of the study? What are the consequences of reducing circulating sphingosine-1-phosphate (S1P) for muscle physiology in the murine model of Duchenne muscular dystrophy (DMD)? What is the main result and its importance? Reduction of the circulating S1P level in mdx mice aggravates the dystrophic phenotype, as seen by an increase in fibre atrophy, fibrosis and loss of specific force, suggesting that S1P signalling is a potential therapeutic target in DMD. Although further studies are needed, plasma S1P levels have the intriguing possibility of being used as a biomarker for disease severity, an important issue in DMD. ABSTRACT Sphingosine-1-phosphate (S1P) is an important regulator of skeletal muscle properties. The dystrophin-deficient mdx mouse possesses low levels of S1P (∼50%) compared with wild type. Increased S1P availability was demonstrated to ameliorate the dystrophic phenotype in Drosophila and in mdx mice. Here, we analysed the effects produced by further reduction of S1P availability on the mass, force and regenerative capacity of dystrophic mdx soleus. Circulating S1P was neutralized by a specific anti-S1P antibody (S1P-Ab) known to lower the extracellular concentration of this signalling lipid. The S1P-Ab was administered intraperitoneally in adult mdx mice every 2 days for the duration of experiments. Soleus muscle properties were analysed 7 or 14 days after the first injection. The decreased availability of circulating S1P after the 14 day treatment reduced mdx soleus fibre cross-sectional area (-16%, P < 0.05), an effect that was associated with an increase in markers of proteolytic (MuRF1 and atrogin-1) and autophagic (p62 and LC3-II/LC3-I ratio) pathways. Moreover, an increase of fibrosis was also observed (+26%, P < 0.05). Notably, the treatment also caused a reduction of specific tetanic tension (-29%, P < 0.05). The mdx soleus regenerative capacity was only slightly influenced by reduced S1P. In conclusion, neutralization of circulating S1P reduces the mass and specific force and increases fibrosis of mdx soleus muscle, thus worsening the dystrophic phenotype. The results confirm that active, functional S1P signalling might counteract the progression of soleus mdx pathology and validate the pathway as a potential therapeutic target for muscular dystrophies.
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Affiliation(s)
- Elena Germinario
- Department of Biomedical Sciences, University of Padova, Padova, Italy.,Interuniversity Institute of Myology, Italy
| | - Michela Bondì
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Bert Blaauw
- Department of Biomedical Sciences, University of Padova, Padova, Italy.,Interuniversity Institute of Myology, Italy
| | - Romeo Betto
- Interuniversity Institute of Myology, Italy.,CNR-Institute for Neuroscience, CNR, Padova, Italy
| | - Daniela Danieli-Betto
- Department of Biomedical Sciences, University of Padova, Padova, Italy.,Interuniversity Institute of Myology, Italy
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13
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Tan-Chen S, Guitton J, Bourron O, Le Stunff H, Hajduch E. Sphingolipid Metabolism and Signaling in Skeletal Muscle: From Physiology to Physiopathology. Front Endocrinol (Lausanne) 2020; 11:491. [PMID: 32849282 PMCID: PMC7426366 DOI: 10.3389/fendo.2020.00491] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 06/22/2020] [Indexed: 12/14/2022] Open
Abstract
Sphingolipids represent one of the major classes of eukaryotic lipids. They play an essential structural role, especially in cell membranes where they also possess signaling properties and are capable of modulating multiple cell functions, such as apoptosis, cell proliferation, differentiation, and inflammation. Many sphingolipid derivatives, such as ceramide, sphingosine-1-phosphate, and ganglioside, have been shown to play many crucial roles in muscle under physiological and pathological conditions. This review will summarize our knowledge of sphingolipids and their effects on muscle fate, highlighting the role of this class of lipids in modulating muscle cell differentiation, regeneration, aging, response to insulin, and contraction. We show that modulating sphingolipid metabolism may be a novel and interesting way for preventing and/or treating several muscle-related diseases.
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Affiliation(s)
- Sophie Tan-Chen
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
- Institut Hospitalo-Universitaire ICAN, Paris, France
| | - Jeanne Guitton
- Université Saclay, CNRS UMR 9197, Institut des Neurosciences Paris-Saclay, Orsay, France
| | - Olivier Bourron
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
- Institut Hospitalo-Universitaire ICAN, Paris, France
- Assistance Publique-Hôpitaux de Paris, Département de Diabétologie et Maladies Métaboliques, Hôpital Pitié-Salpêtrière, Paris, France
| | - Hervé Le Stunff
- Université Saclay, CNRS UMR 9197, Institut des Neurosciences Paris-Saclay, Orsay, France
| | - Eric Hajduch
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
- Institut Hospitalo-Universitaire ICAN, Paris, France
- *Correspondence: Eric Hajduch
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14
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S1P/S1P Receptor Signaling in Neuromuscolar Disorders. Int J Mol Sci 2019; 20:ijms20246364. [PMID: 31861214 PMCID: PMC6941007 DOI: 10.3390/ijms20246364] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 12/06/2019] [Accepted: 12/13/2019] [Indexed: 12/13/2022] Open
Abstract
The bioactive sphingolipid metabolite, sphingosine 1-phosphate (S1P), and the signaling pathways triggered by its binding to specific G protein-coupled receptors play a critical regulatory role in many pathophysiological processes, including skeletal muscle and nervous system degeneration. The signaling transduced by S1P binding appears to be much more complex than previously thought, with important implications for clinical applications and for personalized medicine. In particular, the understanding of S1P/S1P receptor signaling functions in specific compartmentalized locations of the cell is worthy of being better investigated, because in various circumstances it might be crucial for the development or/and the progression of neuromuscular diseases, such as Charcot-Marie-Tooth disease, myasthenia gravis, and Duchenne muscular dystrophy.
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15
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Sphingosine 1-Phosphate (S1P)/ S1P Receptor Signaling and Mechanotransduction: Implications for Intrinsic Tissue Repair/Regeneration. Int J Mol Sci 2019; 20:ijms20225545. [PMID: 31703256 PMCID: PMC6888058 DOI: 10.3390/ijms20225545] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 10/31/2019] [Accepted: 11/05/2019] [Indexed: 12/16/2022] Open
Abstract
Tissue damage, irrespective from the underlying etiology, destroys tissue structure and, eventually, function. In attempt to achieve a morpho-functional recover of the damaged tissue, reparative/regenerative processes start in those tissues endowed with regenerative potential, mainly mediated by activated resident stem cells. These cells reside in a specialized niche that includes different components, cells and surrounding extracellular matrix (ECM), which, reciprocally interacting with stem cells, direct their cell behavior. Evidence suggests that ECM stiffness represents an instructive signal for the activation of stem cells sensing it by various mechanosensors, able to transduce mechanical cues into gene/protein expression responses. The actin cytoskeleton network dynamic acts as key mechanotransducer of ECM signal. The identification of signaling pathways influencing stem cell mechanobiology may offer therapeutic perspectives in the regenerative medicine field. Sphingosine 1-phosphate (S1P)/S1P receptor (S1PR) signaling, acting as modulator of ECM, ECM-cytoskeleton linking proteins and cytoskeleton dynamics appears a promising candidate. This review focuses on the current knowledge on the contribution of S1P/S1PR signaling in the control of mechanotransduction in stem/progenitor cells. The potential contribution of S1P/S1PR signaling in the mechanobiology of skeletal muscle stem cells will be argued based on the intriguing findings on S1P/S1PR action in this mechanically dynamic tissue.
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16
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Cordeiro AV, Silva VRR, Pauli JR, da Silva ASR, Cintra DE, Moura LP, Ropelle ER. The role of sphingosine-1-phosphate in skeletal muscle: Physiology, mechanisms, and clinical perspectives. J Cell Physiol 2018; 234:10047-10059. [PMID: 30523638 DOI: 10.1002/jcp.27870] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 11/15/2018] [Indexed: 12/21/2022]
Abstract
Sphingolipids were discovered more than a century ago and were simply considered as a class of cell membrane lipids for a long time. However, after the discovery of several intracellular functions and their role in the control of many physiological and pathophysiological conditions, these molecules have gained much attention. For instance, the sphingosine-1-phosphate (S1P) is a circulating bioactive sphingolipid capable of triggering strong intracellular reactions through the family of S1P receptors (S1PRs) spread in several cell types and tissues. Recently, the role of S1P in the control of skeletal muscle metabolism, atrophy, regeneration, and metabolic disorders has been widely investigated. In this review, we summarized the knowledge of S1P and its effects in skeletal muscle metabolism, highlighting the role of S1P/S1PRs axis in skeletal muscle regeneration, fatigue, ceramide accumulation, and insulin resistance. Finally, we discussed the physical exercise role in S1P/S1PRs signaling in skeletal muscle cells, and how this nonpharmacological strategy may be prospective for future investigations due to its ability to increase S1P levels.
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Affiliation(s)
- André V Cordeiro
- Laboratory of Molecular Biology of Exercise (LaBMEx), School of Applied Sciences, University of Campinas (UNICAMP), Limeira, São Paulo, Brazil
| | - Vagner R R Silva
- Laboratory of Molecular Biology of Exercise (LaBMEx), School of Applied Sciences, University of Campinas (UNICAMP), Limeira, São Paulo, Brazil
| | - José R Pauli
- Laboratory of Molecular Biology of Exercise (LaBMEx), School of Applied Sciences, University of Campinas (UNICAMP), Limeira, São Paulo, Brazil.,School of Applied Sciences, Center of Research in Sport Sciences (CEPECE), University of Campinas (UNICAMP), Limeira, São Paulo, Brazil
| | - Adelino S R da Silva
- Postgraduate Program in Rehabilitation and Functional Performance, Ribeirão Preto Medical School, USP, Ribeirão Preto, São Paulo, Brazil.,School of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Dennys E Cintra
- Laboratory of Nutritional Genomics (LabGeN), School of Applied Sciences, University of Campinas, Limeira, São Paulo, Brazil
| | - Leandro P Moura
- Laboratory of Molecular Biology of Exercise (LaBMEx), School of Applied Sciences, University of Campinas (UNICAMP), Limeira, São Paulo, Brazil.,School of Applied Sciences, Center of Research in Sport Sciences (CEPECE), University of Campinas (UNICAMP), Limeira, São Paulo, Brazil
| | - Eduardo R Ropelle
- Laboratory of Molecular Biology of Exercise (LaBMEx), School of Applied Sciences, University of Campinas (UNICAMP), Limeira, São Paulo, Brazil.,School of Applied Sciences, Center of Research in Sport Sciences (CEPECE), University of Campinas (UNICAMP), Limeira, São Paulo, Brazil.,Department of Internal Medicine, Faculty of Medical Sciences, University of Campinas (UNICAMP), Campinas, São Paulo, Brazil
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17
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Ng ML, Yarla NS, Menschikowski M, Sukocheva OA. Regulatory role of sphingosine kinase and sphingosine-1-phosphate receptor signaling in progenitor/stem cells. World J Stem Cells 2018; 10:119-133. [PMID: 30310531 PMCID: PMC6177561 DOI: 10.4252/wjsc.v10.i9.119] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 07/27/2018] [Accepted: 08/05/2018] [Indexed: 02/06/2023] Open
Abstract
Balanced sphingolipid signaling is important for the maintenance of homeostasis. Sphingolipids were demonstrated to function as structural components, second messengers, and regulators of cell growth and survival in normal and disease-affected tissues. Particularly, sphingosine kinase 1 (SphK1) and its product sphingosine-1-phosphate (S1P) operate as mediators and facilitators of proliferation-linked signaling. Unlimited proliferation (self-renewal) within the regulated environment is a hallmark of progenitor/stem cells that was recently associated with the S1P signaling network in vasculature, nervous, muscular, and immune systems. S1P was shown to regulate progenitor-related characteristics in normal and cancer stem cells (CSCs) via G-protein coupled receptors S1Pn (n = 1 to 5). The SphK/S1P axis is crucially involved in the regulation of embryonic development of vasculature and the nervous system, hematopoietic stem cell migration, regeneration of skeletal muscle, and development of multiple sclerosis. The ratio of the S1P receptor expression, localization, and specific S1P receptor-activated downstream effectors influenced the rate of self-renewal and should be further explored as regeneration-related targets. Considering malignant transformation, it is essential to control the level of self-renewal capacity. Proliferation of the progenitor cell should be synchronized with differentiation to provide healthy lifelong function of blood, immune systems, and replacement of damaged or dead cells. The differentiation-related role of SphK/S1P remains poorly assessed. A few pioneering investigations explored pharmacological tools that target sphingolipid signaling and can potentially confine and direct self-renewal towards normal differentiation. Further investigation is required to test the role of the SphK/S1P axis in regulation of self-renewal and differentiation.
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Affiliation(s)
- Mei Li Ng
- Centenary Institute of Cancer Medicine and Cell Biology, Sydney NSW 2050, Australia
| | - Nagendra S Yarla
- Department of Biochemistry and Bioinformatics, Institute of Science, GITAM University, Rushikonda, Visakhapatnam 530 045, Andhra Pradesh, India
| | - Mario Menschikowski
- Institute of Clinical Chemistry and Laboratory Medicine, Carl Gustav Carus University Hospital, Technical University of Dresden, Dresden D-01307, Germany
| | - Olga A Sukocheva
- College of Nursing and Health Sciences, Flinders University of South Australia, Bedford Park SA 5042, Australia
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18
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Lidgerwood GE, Pitson SM, Bonder C, Pébay A. Roles of lysophosphatidic acid and sphingosine-1-phosphate in stem cell biology. Prog Lipid Res 2018; 72:42-54. [PMID: 30196008 DOI: 10.1016/j.plipres.2018.09.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 08/15/2018] [Accepted: 09/05/2018] [Indexed: 02/06/2023]
Abstract
Stem cells are unique in their ability to self-renew and differentiate into various cell types. Because of these features, stem cells are key to the formation of organisms and play fundamental roles in tissue regeneration and repair. Mechanisms controlling their fate are thus fundamental to the development and homeostasis of tissues and organs. Lysophosphatidic acid (LPA) and sphingosine-1-phosphate (S1P) are bioactive phospholipids that play a wide range of roles in multiple cell types, during developmental and pathophysiological events. Considerable evidence now demonstrates the potent roles of LPA and S1P in the biology of pluripotent and adult stem cells, from maintenance to repair. Here we review their roles for each main category of stem cells and explore how those effects impact development and physiopathology.
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Affiliation(s)
- Grace E Lidgerwood
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia; Ophthalmology, Department of Surgery, the University of Melbourne, Melbourne, Australia
| | - Stuart M Pitson
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, Australia
| | - Claudine Bonder
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, Australia
| | - Alice Pébay
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia; Ophthalmology, Department of Surgery, the University of Melbourne, Melbourne, Australia.
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19
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Bondì M, Germinario E, Pirazzini M, Zanetti G, Cencetti F, Donati C, Gorza L, Betto R, Bruni P, Danieli-Betto D. Ablation of S1P3 receptor protects mouse soleus from age-related drop in muscle mass, force, and regenerative capacity. Am J Physiol Cell Physiol 2017; 313:C54-C67. [DOI: 10.1152/ajpcell.00027.2017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 04/11/2017] [Accepted: 04/19/2017] [Indexed: 12/31/2022]
Abstract
We investigated the effects of S1P3 deficiency on the age-related atrophy, decline in force, and regenerative capacity of soleus muscle from 23-mo-old male (old) mice. Compared with muscle from 5-mo-old (adult) mice, soleus mass and muscle fiber cross-sectional area (CSA) in old wild-type mice were reduced by ~26% and 24%, respectively. By contrast, the mass and fiber CSA of soleus muscle in old S1P3-null mice were comparable to those of adult muscle. Moreover, in soleus muscle of wild-type mice, twitch and tetanic tensions diminished from adulthood to old age. A slowing of contractile properties was also observed in soleus from old wild-type mice. In S1P3-null mice, neither force nor the contractile properties of soleus changed during aging. We also evaluated the regenerative capacity of soleus in old S1P3-null mice by stimulating muscle regeneration through myotoxic injury. After 10 days of regeneration, the mean fiber CSA of soleus in old wild-type mice was significantly smaller (−28%) compared with that of regenerated muscle in adult mice. On the contrary, the mean fiber CSA of regenerated soleus in old S1P3-null mice was similar to that of muscle in adult mice. We conclude that in the absence of S1P3, soleus muscle is protected from the decrease in muscle mass and force, and the attenuation of regenerative capacity, all of which are typical characteristics of aging.
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Affiliation(s)
- Michela Bondì
- Department of Biomedical Sciences, University of Padova, Padua, Italy
| | - Elena Germinario
- Department of Biomedical Sciences, University of Padova, Padua, Italy
- Interuniversity Institute of Myology, Italy
| | - Marco Pirazzini
- Department of Biomedical Sciences, University of Padova, Padua, Italy
| | - Giulia Zanetti
- Department of Biomedical Sciences, University of Padova, Padua, Italy
| | - Francesca Cencetti
- Interuniversity Institute of Myology, Italy
- Department of Biomedical, Experimental and Clinical Sciences, Mario Serio, University of Firenze, Florence, Italy; and
| | - Chiara Donati
- Interuniversity Institute of Myology, Italy
- Department of Biomedical, Experimental and Clinical Sciences, Mario Serio, University of Firenze, Florence, Italy; and
| | - Luisa Gorza
- Department of Biomedical Sciences, University of Padova, Padua, Italy
| | - Romeo Betto
- Interuniversity Institute of Myology, Italy
- National Research Council-Institute for Neuroscience, Padua, Italy
| | - Paola Bruni
- Interuniversity Institute of Myology, Italy
- Department of Biomedical, Experimental and Clinical Sciences, Mario Serio, University of Firenze, Florence, Italy; and
| | - Daniela Danieli-Betto
- Department of Biomedical Sciences, University of Padova, Padua, Italy
- Interuniversity Institute of Myology, Italy
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20
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Zhai L, Wu R, Han W, Zhang Y, Zhu D. miR-127 enhances myogenic cell differentiation by targeting S1PR3. Cell Death Dis 2017; 8:e2707. [PMID: 28358363 PMCID: PMC5386531 DOI: 10.1038/cddis.2017.128] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 01/22/2017] [Accepted: 02/22/2017] [Indexed: 12/25/2022]
Abstract
MicroRNAs (miRNAs) have recently been implicated in muscle stem cell function. miR-127 is known to be predominantly expressed in skeletal muscle, but its roles in myogenic differentiation and muscle regeneration are unknown. Here, we show that miR-127 is upregulated during C2C12 and satellite cell (SC) differentiation and, by establishing C2C12 cells stably expressing miR-127, demonstrate that overexpression of miR-127 in C2C12 cells enhances myogenic cell differentiation. To investigate the function of miR-127 during muscle development and regeneration in vivo, we generated miR-127 transgenic mice. These mice exhibited remarkably accelerated muscle regeneration compared with wild-type mice by promoting SC differentiation. Mechanistically, we demonstrated that the gene encoding sphingosine-1-phosphate receptor 3 (S1PR3), a G-protein-coupled receptor for sphingosine-1-phosphate, is a target of miR-127 required for its function in promoting myogenic cell differentiation. Importantly, overexpression of miR-127 in muscular dystrophy model mdx mice considerably ameliorated the disease phenotype. Thus, our findings suggest that miR-127 may serve as a potential therapeutic target for the treatment of skeletal muscle disease in humans.
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Affiliation(s)
- Lili Zhai
- The State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, 5 Dong Dan San Tiao, Beijing 100005, PR China
| | - Rimao Wu
- The State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, 5 Dong Dan San Tiao, Beijing 100005, PR China
| | - Wanhong Han
- The State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, 5 Dong Dan San Tiao, Beijing 100005, PR China
| | - Yong Zhang
- The State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, 5 Dong Dan San Tiao, Beijing 100005, PR China
| | - Dahai Zhu
- The State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, 5 Dong Dan San Tiao, Beijing 100005, PR China
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Dietary supplementation with bovine-derived milk fat globule membrane lipids promotes neuromuscular development in growing rats. Nutr Metab (Lond) 2017; 14:9. [PMID: 28127382 PMCID: PMC5259894 DOI: 10.1186/s12986-017-0161-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 01/15/2017] [Indexed: 12/11/2022] Open
Abstract
Background The milk fat globule membrane (MFGM) is primarily composed of polar phospho- and sphingolipids, which have established biological effects on neuroplasticity. The present study aimed to investigate the effect of dietary MFGM supplementation on the neuromuscular system during post-natal development. Methods Growing rats received dietary supplementation with bovine-derived MFGM mixtures consisting of complex milk lipids (CML), beta serum concentrate (BSC) or a complex milk lipid concentrate (CMLc) (which lacks MFGM proteins) from post-natal day 10 to day 70. Results Supplementation with MFGM mixtures enriched in polar lipids (BSC and CMLc, but not CML) increased the plasma phosphatidylcholine (PC) concentration, with no effect on plasma phosphatidylinositol (PI), phosphatidylethanolamine (PE), phosphatidylserine (PS) or sphingomyelin (SM). In contrast, muscle PC was reduced in rats receiving supplementation with both BSC and CMLc, whereas muscle PI, PE, PS and SM remained unchanged. Rats receiving BSC and CMLc (but not CML) displayed a slow-to-fast muscle fibre type profile shift (MyHCI → MyHCIIa) that was associated with elevated expression of genes involved in myogenic differentiation (myogenic regulatory factors) and relatively fast fibre type specialisation (Myh2 and Nfatc4). Expression of neuromuscular development genes, including nerve cell markers, components of the synaptogenic agrin–LRP4 pathway and acetylcholine receptor subunits, was also increased in muscle of rats supplemented with BSC and CMLc (but not CML). Conclusions These findings demonstrate that dietary supplementation with bovine-derived MFGM mixtures enriched in polar lipids can promote neuromuscular development during post-natal growth in rats, leading to shifts in adult muscle phenotype. Electronic supplementary material The online version of this article (doi:10.1186/s12986-017-0161-y) contains supplementary material, which is available to authorized users.
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22
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San Emeterio CL, Olingy CE, Chu Y, Botchwey EA. Selective recruitment of non-classical monocytes promotes skeletal muscle repair. Biomaterials 2016; 117:32-43. [PMID: 27930948 DOI: 10.1016/j.biomaterials.2016.11.021] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 11/15/2016] [Accepted: 11/15/2016] [Indexed: 02/08/2023]
Abstract
Regeneration of traumatic defects in skeletal muscle requires the synchronized behavior of multiple cells that participate in repair. The inflammatory cascade that is rapidly initiated after injury serves as a powerful node at which to guide the progression of healing and influence tissue repair. Here, we examine the role that myeloid cells play in the healing of traumatic skeletal muscle injury, and leverage their pro-regenerative functions using local delivery of the immunomodulatory small molecule FTY720. We demonstrate that increasing the frequency of non-classical monocytes in inflamed muscle coincides with increased numbers of CD206+ alternatively activated macrophages. Animals treated with immunomodulatory materials had greater defect closure and more vascularization in the acute phases of injury. In the later stages of repair, during which parenchymal tissue growth occurs, we observed improved regeneration of muscle fibers and decreased fibrotic tissue following localization of pro-regenerative inflammation. These results highlight non-classical monocytes as a novel therapeutic target to improve the regenerative outcome after traumatic skeletal muscle injury.
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Affiliation(s)
- Cheryl L San Emeterio
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Claire E Olingy
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Yihsuan Chu
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
| | - Edward A Botchwey
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA.
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23
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Castaldi A, Chesini GP, Taylor AE, Sussman MA, Brown JH, Purcell NH. Sphingosine 1-phosphate elicits RhoA-dependent proliferation and MRTF-A mediated gene induction in CPCs. Cell Signal 2016; 28:871-9. [PMID: 27094722 PMCID: PMC5004781 DOI: 10.1016/j.cellsig.2016.04.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 04/01/2016] [Accepted: 04/10/2016] [Indexed: 12/16/2022]
Abstract
Although c-kit(+) cardiac progenitor cells (CPCs) are currently used in clinical trials there remain considerable gaps in our understanding of the molecular mechanisms underlying their proliferation and differentiation. G-protein coupled receptors (GPCRs) play an important role in regulating these processes in mammalian cell types thus we assessed GPCR mRNA expression in c-kit(+) cells isolated from adult mouse hearts. Our data provide the first comprehensive overview of the distribution of this fundamental class of cardiac receptors in CPCs and reveal notable distinctions from that of adult cardiomyocytes. We focused on GPCRs that couple to RhoA activation in particular those for sphingosine-1-phosphate (S1P). The S1P2 and S1P3 receptors are the most abundant S1P receptor subtypes in mouse and human CPCs while cardiomyocytes express predominantly S1P1 receptors. Treatment of CPCs with S1P, as with thrombin and serum, increased proliferation through a pathway requiring RhoA signaling, as evidenced by significant attenuation when Rho was inhibited by treatment with C3 toxin. Further analysis demonstrated that both S1P- and serum-induced proliferation are regulated through the S1P2 and S1P3 receptor subtypes which couple to Gα12/13 to elicit RhoA activation. The transcriptional co-activator MRTF-A was activated by S1P as assessed by its nuclear accumulation and induction of a RhoA/MRTF-A luciferase reporter. In addition S1P treatment increased expression of cardiac lineage markers Mef2C and GATA4 and the smooth muscle marker GATA6 through activation of MRTF-A. In conclusion, we delineate an S1P-regulated signaling pathway in CPCs that introduces the possibility of targeting S1P2/3 receptors, Gα12/13 or RhoA to influence the proliferation and commitment of c-kit(+) CPCs and improve the response of the myocardium following injury.
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Affiliation(s)
- Alessandra Castaldi
- Department of Pharmacology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0636, USA
| | - Gino P Chesini
- Department of Pharmacology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0636, USA
| | - Amy E Taylor
- Department of Pharmacology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0636, USA
| | - Mark A Sussman
- San Diego State Heart Institute, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
| | - Joan Heller Brown
- Department of Pharmacology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0636, USA.
| | - Nicole H Purcell
- Department of Pharmacology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0636, USA
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24
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Germinario E, Bondì M, Cencetti F, Donati C, Nocella M, Colombini B, Betto R, Bruni P, Bagni MA, Danieli-Betto D. S1P3 receptor influences key physiological properties of fast-twitch extensor digitorum longus muscle. J Appl Physiol (1985) 2016; 120:1288-300. [DOI: 10.1152/japplphysiol.00345.2015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 12/23/2015] [Indexed: 12/15/2022] Open
Abstract
To examine the role of sphingosine 1-phosphate (S1P) receptor 3 (S1P3) in modulating muscle properties, we utilized transgenic mice depleted of the receptor. Morphological analyses of extensor digitorum longus (EDL) muscle did not show evident differences between wild-type and S1P3-null mice. The body weight of 3-mo-old S1P3-null mice and the mean cross-sectional area of transgenic EDL muscle fibers were similar to those of wild-type. S1P3 deficiency enhanced the expression level of S1P1 and S1P2 receptors mRNA in S1P3-null EDL muscle. The contractile properties of S1P3-null EDL diverge from those of wild-type, largely more fatigable and less able to recover. The absence of S1P3 appears responsible for a lower availability of calcium during fatigue. S1P supplementation, expected to stimulate residual S1P receptors and signaling, reduced fatigue development of S1P3-null muscle. Moreover, in the absence of S1P3, denervated EDL atrophies less than wild-type. The analysis of atrophy-related proteins in S1P3-null EDL evidences high levels of the endogenous regulator of mitochondria biogenesis peroxisome proliferative-activated receptor-γ coactivator 1α (PGC-1α); preserving mitochondria could protect the muscle from disuse atrophy. In conclusion, the absence of S1P3 makes the muscle more sensitive to fatigue and slows down atrophy development after denervation, indicating that S1P3 is involved in the modulation of key physiological properties of the fast-twitch EDL muscle.
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Affiliation(s)
- Elena Germinario
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- IIM, Interuniversity Institute of Myology, Italy
| | - Michela Bondì
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Francesca Cencetti
- IIM, Interuniversity Institute of Myology, Italy
- Department of Biomedical, Experimental and Clinical Sciences, Mario Serio, University of Firenze, Florence, Italy
| | - Chiara Donati
- IIM, Interuniversity Institute of Myology, Italy
- Department of Biomedical, Experimental and Clinical Sciences, Mario Serio, University of Firenze, Florence, Italy
| | - Marta Nocella
- IIM, Interuniversity Institute of Myology, Italy
- Department of Experimental and Clinical Medicine, University of Firenze, Florence, Italy
| | - Barbara Colombini
- IIM, Interuniversity Institute of Myology, Italy
- Department of Experimental and Clinical Medicine, University of Firenze, Florence, Italy
| | - Romeo Betto
- IIM, Interuniversity Institute of Myology, Italy
- CNR-Institute for Neuroscience, CNR, Padova, Italy
| | - Paola Bruni
- IIM, Interuniversity Institute of Myology, Italy
- Department of Biomedical, Experimental and Clinical Sciences, Mario Serio, University of Firenze, Florence, Italy
| | - Maria Angela Bagni
- IIM, Interuniversity Institute of Myology, Italy
- Department of Experimental and Clinical Medicine, University of Firenze, Florence, Italy
| | - Daniela Danieli-Betto
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- IIM, Interuniversity Institute of Myology, Italy
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Ortuste Quiroga HP, Goto K, Zammit PS. Isolation, Cryosection and Immunostaining of Skeletal Muscle. Methods Mol Biol 2016; 1460:85-100. [PMID: 27492168 DOI: 10.1007/978-1-4939-3810-0_8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Adult skeletal muscle is maintained and repaired by resident stem cells called satellite cells, located between the plasmalemma of a muscle fiber, and the surrounding basal lamina. When needed, satellite cells are activated to form proliferative myoblasts, that then differentiate and fuse to existing muscle fibers, or fuse together to form replacement myofibers. In parallel, a proportion of satellite cells self-renew, to maintain the stem cell pool. To date, Pax7 is the marker of choice for identifying quiescent satellite cells. Co-immunostaining of skeletal muscle with Pax7 and laminin allows both identification of satellite cells, and the myofiber that they are associated with. Furthermore, satellite cells can be followed through the early stages of the myogenic program by co-immunostaining with myogenic regulatory factors such as MyoD. To test genetically modified mice for satellite cell expression, co-immunostaining can be performed for Pax7 and reporter genes such as eGFP. Here, we describe a method for identification of satellite cells in skeletal muscle sections, including muscle isolation, cryosectioning and co-immunostaining for Pax7 and laminin.
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Affiliation(s)
- Huascar P Ortuste Quiroga
- Randall Division of Cell and Molecular Biophysics, King's College London, New Hunt's House, Guy's Campus, London, SE1 1UL, UK
| | - Katsumasa Goto
- Department of Physiology, Graduate School of Health Sciences, Toyohashi SOZO University, 20-1 Matsushita, Ushikawa, Toyohashi, Aichi, 440-8511, Japan
| | - Peter S Zammit
- Randall Division of Cell and Molecular Biophysics, King's College London, New Hunt's House, Guy's Campus, London, SE1 1UL, UK.
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Sassoli C, Frati A, Tani A, Anderloni G, Pierucci F, Matteini F, Chellini F, Zecchi Orlandini S, Formigli L, Meacci E. Mesenchymal stromal cell secreted sphingosine 1-phosphate (S1P) exerts a stimulatory effect on skeletal myoblast proliferation. PLoS One 2014; 9:e108662. [PMID: 25264785 PMCID: PMC4181304 DOI: 10.1371/journal.pone.0108662] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Accepted: 08/25/2014] [Indexed: 12/20/2022] Open
Abstract
Bone-marrow-derived mesenchymal stromal cells (MSCs) have the potential to significantly contribute to skeletal muscle healing through the secretion of paracrine factors that support proliferation and enhance participation of the endogenous muscle stem cells in the process of repair/regeneration. However, MSC-derived trophic molecules have been poorly characterized. The aim of this study was to investigate paracrine signaling effects of MSCs on skeletal myoblasts. It was found, using a biochemical and morphological approach that sphingosine 1-phosphate (S1P), a natural bioactive lipid exerting a broad range of muscle cell responses, is secreted by MSCs and represents an important factor by which these cells exert their stimulatory effects on C2C12 myoblast and satellite cell proliferation. Indeed, exposure to conditioned medium obtained from MSCs cultured in the presence of the selective sphingosine kinase inhibitor (iSK), blocked increased cell proliferation caused by the conditioned medium from untreated MSCs, and the addition of exogenous S1P in the conditioned medium from MSCs pre-treated with iSK further increased myoblast proliferation. Finally, we also demonstrated that the myoblast response to MSC-secreted vascular endothelial growth factor (VEGF) involves the release of S1P from C2C12 cells. Our data may have important implications in the optimization of cell-based strategies to promote skeletal muscle regeneration.
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Affiliation(s)
- Chiara Sassoli
- Department of Experimental and Clinical Medicine - Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Alessia Frati
- Department of Biomedical, Experimental and Clinical Sciences “Mario Serio” - Unit of Biochemical Sciences and Molecular Biology, University of Florence, Florence, Italy
| | - Alessia Tani
- Department of Experimental and Clinical Medicine - Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Giulia Anderloni
- Department of Biomedical, Experimental and Clinical Sciences “Mario Serio” - Unit of Biochemical Sciences and Molecular Biology, University of Florence, Florence, Italy
| | - Federica Pierucci
- Department of Biomedical, Experimental and Clinical Sciences “Mario Serio” - Unit of Biochemical Sciences and Molecular Biology, University of Florence, Florence, Italy
| | - Francesca Matteini
- Department of Biomedical, Experimental and Clinical Sciences “Mario Serio” - Unit of Biochemical Sciences and Molecular Biology, University of Florence, Florence, Italy
| | - Flaminia Chellini
- Department of Experimental and Clinical Medicine - Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Sandra Zecchi Orlandini
- Department of Experimental and Clinical Medicine - Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Lucia Formigli
- Department of Experimental and Clinical Medicine - Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Elisabetta Meacci
- Department of Biomedical, Experimental and Clinical Sciences “Mario Serio” - Unit of Biochemical Sciences and Molecular Biology, University of Florence, Florence, Italy
- * E-mail:
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27
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Cencetti F, Bruno G, Blescia S, Bernacchioni C, Bruni P, Donati C. Lysophosphatidic acid stimulates cell migration of satellite cells. A role for the sphingosine kinase/sphingosine 1-phosphate axis. FEBS J 2014; 281:4467-78. [DOI: 10.1111/febs.12955] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 07/04/2014] [Accepted: 07/29/2014] [Indexed: 12/01/2022]
Affiliation(s)
- Francesca Cencetti
- Dipartimento di Scienze Biomediche Sperimentali e Cliniche ‘Mario Serio’; Università di Firenze; Italy
- Istituto Interuniversitario di Miologia; Italy
| | - Gennaro Bruno
- Dipartimento di Scienze Biomediche Sperimentali e Cliniche ‘Mario Serio’; Università di Firenze; Italy
| | - Sabrina Blescia
- Dipartimento di Scienze Biomediche Sperimentali e Cliniche ‘Mario Serio’; Università di Firenze; Italy
| | - Caterina Bernacchioni
- Dipartimento di Scienze Biomediche Sperimentali e Cliniche ‘Mario Serio’; Università di Firenze; Italy
| | - Paola Bruni
- Dipartimento di Scienze Biomediche Sperimentali e Cliniche ‘Mario Serio’; Università di Firenze; Italy
- Istituto Interuniversitario di Miologia; Italy
| | - Chiara Donati
- Dipartimento di Scienze Biomediche Sperimentali e Cliniche ‘Mario Serio’; Università di Firenze; Italy
- Istituto Interuniversitario di Miologia; Italy
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28
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Nagata Y, Ohashi K, Wada E, Yuasa Y, Shiozuka M, Nonomura Y, Matsuda R. Sphingosine-1-phosphate mediates epidermal growth factor-induced muscle satellite cell activation. Exp Cell Res 2014; 326:112-24. [DOI: 10.1016/j.yexcr.2014.06.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 05/25/2014] [Accepted: 06/16/2014] [Indexed: 01/03/2023]
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29
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Donati C, Cencetti F, Bruni P. Sphingosine 1-phosphate axis: a new leader actor in skeletal muscle biology. Front Physiol 2013; 4:338. [PMID: 24324439 PMCID: PMC3839259 DOI: 10.3389/fphys.2013.00338] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Accepted: 11/01/2013] [Indexed: 12/23/2022] Open
Abstract
Sphingosine 1-phosphate (S1P) is a bioactive lipid involved in the regulation of biological processes such as proliferation, differentiation, motility, and survival. Here we review the role of S1P in the biology and homeostasis of skeletal muscle. S1P derives from the catabolism of sphingomyelin and is produced by sphingosine phosphorylation catalyzed by sphingosine kinase (SK). S1P can act either intracellularly or extracellularly through specific ligation to its five G protein-coupled receptors (GPCR) named S1P receptors (S1PR). Many experimental findings obtained in the last 20 years demonstrate that S1P and its metabolism play a multifaceted role in the regulation of skeletal muscle regeneration. Indeed, this lipid is known to activate muscle-resident satellite cells, regulating their proliferation and differentiation, as well as mesenchymal progenitors such as mesoangioblasts that originate outside skeletal muscle, both involved in tissue repair following an injury or disease. The molecular mechanism of action of S1P in skeletal muscle cell precursors is highly complex, especially because S1P axis is under the control of a number of growth factors and cytokines, canonical regulators of skeletal muscle biology. Moreover, this lipid is crucially involved in the regulation of skeletal muscle contractile properties, responsiveness to insulin, fatigue resistance and tropism. Overall, on the basis of these findings S1P signaling appears to be an appealing pharmacological target for improving skeletal muscle repair. Nevertheless, further understanding is required on the regulation of S1P downstream signaling pathways and the expression of S1PR. This article will resume our current knowledge on S1P signaling in skeletal muscle, hopefully stimulating further investigation in the field, aimed at individuating novel molecular targets for ameliorating skeletal muscle regeneration and reducing fibrosis of the tissue after a trauma or due to skeletal muscle diseases.
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Affiliation(s)
- Chiara Donati
- Dipartimento di Scienze Biomediche, Sperimentali e Cliniche, University of Florence Florence, Italy ; Istituto Interuniversitario di Miologia Italy
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