1
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Qaisar R. The emerging roles of necroptosis in skeletal muscle health and disease. Pflugers Arch 2024:10.1007/s00424-024-02994-1. [PMID: 39037477 DOI: 10.1007/s00424-024-02994-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 07/15/2024] [Accepted: 07/16/2024] [Indexed: 07/23/2024]
Abstract
Necroptosis is a regulated form of cell death with implications in various physiological and pathological processes in multiple tissues. However, the relevant findings from post-mitotic tissues, such as skeletal muscle, are scarce. This review summarizes the potential contributions of necroptosis to skeletal muscle health and diseases. It first discusses the physiological roles of necroptosis in muscle regeneration and development. It then summarizes the contributions of necroptosis to the pathogenesis of multiple muscle diseases, including muscular dystrophies, inflammatory myopathies, cachexia, and neuromuscular disorders. Lastly, it unravels the gaps in our understanding and therapeutic challenges of inhibiting necroptosis as a potential intervention for muscle diseases. Specifically, the findings from the transgenic animal models and the use of pharmacological inhibitors of necroptosis are discussed with relevance to improving the structure and/or function of skeletal muscle in various diseases. Recent developments from experimental animal models and clinical data are presented to discuss the roles of necroptosis in skeletal muscle health and diseases.
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Affiliation(s)
- Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates.
- Space Medicine Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates.
- Cardiovascular Research Group, Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates.
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2
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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 PMCID: PMC11251043 DOI: 10.1038/s41421-024-00696-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [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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3
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Bencze M, Periou B, Punzón I, Barthélémy I, Taglietti V, Hou C, Zaidan L, Kefi K, Blot S, Agbulut O, Gervais M, Derumeaux G, Authier F, Tiret L, Relaix F. Receptor interacting protein kinase-3 mediates both myopathy and cardiomyopathy in preclinical animal models of Duchenne muscular dystrophy. J Cachexia Sarcopenia Muscle 2023; 14:2520-2531. [PMID: 37909859 PMCID: PMC10751447 DOI: 10.1002/jcsm.13265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 03/27/2023] [Accepted: 04/24/2023] [Indexed: 11/03/2023] Open
Abstract
BACKGROUND Duchenne muscular dystrophy (DMD) is a progressive muscle degenerative disorder, culminating in a complete loss of ambulation, hypertrophic cardiomyopathy and a fatal cardiorespiratory failure. Necroptosis is the form of necrosis that is dependent upon the receptor-interacting protein kinase (RIPK) 3; it is involved in several inflammatory and neurodegenerative conditions. We previously identified RIPK3 as a key player in the acute myonecrosis affecting the hindlimb muscles of the mdx dystrophic mouse model. Whether necroptosis also mediates respiratory and heart disorders in DMD is currently unknown. METHODS Evidence of activation of the necroptotic axis was examined in dystrophic tissues from Golden retriever muscular dystrophy (GRMD) dogs and R-DMDdel52 rats. A functional assessment of the involvement of necroptosis in dystrophic animals was performed on mdx mice that were genetically depleted for RIPK3. Dystrophic mice aged from 12 to 18 months were analysed by histology and molecular biology to compare the phenotype of muscles from mdxRipk3+/+ and mdxRipk3-/- mice. Heart function was also examined by echocardiography in 40-week-old mice. RESULTS RIPK3 expression in sartorius and biceps femoris muscles from GRMD dogs positively correlated to myonecrosis levels (r = 0.81; P = 0.0076). RIPK3 was also found elevated in the diaphragm (P ≤ 0.05). In the slow-progressing heart phenotype of GRMD dogs, the phosphorylated form of RIPK1 at the Serine 161 site was dramatically increased in cardiomyocytes. A similar p-RIPK1 upregulation characterized the cardiomyocytes of the severe DMDdel52 rat model, associated with a marked overexpression of Ripk1 (P = 0.007) and Ripk3 (P = 0.008), indicating primed activation of the necroptotic pathway in the dystrophic heart. MdxRipk3-/- mice displayed decreased compensatory hypertrophy of the heart (P = 0.014), and echocardiography showed a 19% increase in the relative wall thickness (P < 0.05) and 29% reduction in the left ventricle mass (P = 0.0144). Besides, mdxRipk3-/- mice presented no evidence of a regenerative default or sarcopenia in skeletal muscles, moreover around 50% less affected by fibrosis (P < 0.05). CONCLUSIONS Our data highlight molecular and histological evidence that the necroptotic pathway is activated in degenerative tissues from dystrophic animal models, including the diaphragm and the heart. We also provide the genetic proof of concept that selective inhibition of necroptosis in dystrophic condition improves both histological features of muscles and cardiac function, suggesting that prevention of necroptosis is susceptible to providing multiorgan beneficial effects for DMD.
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Affiliation(s)
- Maximilien Bencze
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Baptiste Periou
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Isabel Punzón
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Inès Barthélémy
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Valentina Taglietti
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Cyrielle Hou
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Louai Zaidan
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Kaouthar Kefi
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Stéphane Blot
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Onnik Agbulut
- Institut de Biologie Paris‐Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and AgeingSorbonne UniversitéParisFrance
| | - Marianne Gervais
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Geneviève Derumeaux
- Team Derumeaux, Department of Physiology, Henri Mondor Hospital, FHU‐SENEC, AP‐HPU955‐IMRB, Université Paris‐Est Créteil (UPEC)CréteilFrance
| | - François‐Jérôme Authier
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Laurent Tiret
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
| | - Fréderic Relaix
- Team Relaix, Biology of the Neuromuscular SystemU955‐IMRB, Inserm, UPEC, ENVA, EFSCréteilFrance
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Sun Z, Cernilogar FM, Horvatic H, Yeroslaviz A, Abdullah Z, Schotta G, Hornung V. β1 integrin signaling governs necroptosis via the chromatin-remodeling factor CHD4. Cell Rep 2023; 42:113322. [PMID: 37883227 DOI: 10.1016/j.celrep.2023.113322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/29/2023] [Accepted: 10/05/2023] [Indexed: 10/28/2023] Open
Abstract
Fibrosis, characterized by sustained activation of myofibroblasts and excessive extracellular matrix (ECM) deposition, is known to be associated with chronic inflammation. Receptor-interacting protein kinase 3 (RIPK3), the central kinase of necroptosis signaling, is upregulated in fibrosis and contributes to tumor necrosis factor (TNF)-mediated inflammation. In bile-duct-ligation-induced liver fibrosis, we found that myofibroblasts are the major cell type expressing RIPK3. Genetic ablation of β1 integrin, the major profibrotic ECM receptor in fibroblasts, not only abolished ECM fibrillogenesis but also blunted RIPK3 expression via a mechanism mediated by the chromatin-remodeling factor chromodomain helicase DNA-binding protein 4 (CHD4). While the function of CHD4 has been conventionally linked to the nucleosome-remodeling deacetylase (NuRD) and CHD4-ADNP-HP1(ChAHP) complexes, we found that CHD4 potently repressed a set of genes, including Ripk3, with high locus specificity but independent of either the NuRD or the ChAHP complex. Thus, our data uncover that β1 integrin intrinsically links fibrotic signaling to RIPK3-driven inflammation via a novel mode of action of CHD4.
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Affiliation(s)
- Zhiqi Sun
- Gene Center and Department of Biochemistry, Ludwig Maximilian University of Munich, Munich, Germany; Research Group Molecular Mechanisms of Inflammation, Max-Planck Institute of Biochemistry, Martinsried, Germany.
| | - Filippo M Cernilogar
- Division of Molecular Biology, Biomedical Center, Faculty of Medicine, Ludwig Maximilian University of Munich, Munich, Germany
| | - Helena Horvatic
- Institute of Molecular Medicine and Experimental Immunology, University Hospital Bonn, Bonn, Germany
| | - Assa Yeroslaviz
- Computational Biology Group, Max-Planck Institute of Biochemistry, Martinsried, Germany
| | - Zeinab Abdullah
- Institute of Molecular Medicine and Experimental Immunology, University Hospital Bonn, Bonn, Germany
| | - Gunnar Schotta
- Division of Molecular Biology, Biomedical Center, Faculty of Medicine, Ludwig Maximilian University of Munich, Munich, Germany
| | - Veit Hornung
- Gene Center and Department of Biochemistry, Ludwig Maximilian University of Munich, Munich, Germany; Research Group Molecular Mechanisms of Inflammation, Max-Planck Institute of Biochemistry, Martinsried, Germany.
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5
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Yekelchyk M, Guenther S, Braun T. Assay for Transposase-Accessible Chromatin Using Sequencing of Freshly Isolated Muscle Stem Cells. Methods Mol Biol 2023; 2640:397-412. [PMID: 36995609 DOI: 10.1007/978-1-0716-3036-5_27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
Actively transcribed genes harbor cis-regulatory modules with comparatively low nucleosome occupancy and few high-order structures (="open chromatin"), whereas non-transcribed genes are characterized by high nucleosome density and extensive interactions between nucleosomes (="closed chromatin"), preventing transcription factor binding. Knowledge about chromatin accessibility is crucial to understand gene regulatory networks determining cellular decisions. Several techniques are available to map chromatin accessibility, among which the Assay for Transposase-Accessible Chromatin using sequencing (ATAC-seq) is one of the most popular. ATAC-seq is based on a straightforward and robust protocol but requires adjustments for different cell types. Here, we describe an optimized protocol for ATAC-seq of freshly isolated murine muscle stem cells. We provide details for the isolation of MuSC, tagmentation, library amplification, double-sided SPRI bead cleanup, and library quality assessment and give recommendations for sequencing parameters and downstream analysis. The protocol should facilitate generation of high-quality data sets of chromatin accessibility in MuSCs, even for newcomers to the field.
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Affiliation(s)
- Michail Yekelchyk
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
- German Centre for Cardiovascular Research (DZHK), Partner site Rhein-Main, Frankfurt am Main, Germany
| | - Stefan Guenther
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
- German Centre for Cardiovascular Research (DZHK), Partner site Rhein-Main, Frankfurt am Main, Germany
| | - Thomas Braun
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.
- German Centre for Cardiovascular Research (DZHK), Partner site Rhein-Main, Frankfurt am Main, Germany.
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6
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Bordini M, Soglia F, Davoli R, Zappaterra M, Petracci M, Meluzzi A. Molecular Pathways and Key Genes Associated With Breast Width and Protein Content in White Striping and Wooden Breast Chicken Pectoral Muscle. Front Physiol 2022; 13:936768. [PMID: 35874513 PMCID: PMC9304951 DOI: 10.3389/fphys.2022.936768] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 06/17/2022] [Indexed: 01/10/2023] Open
Abstract
Growth-related abnormalities affecting modern chickens, known as White Striping (WS) and Wooden Breast (WB), have been deeply investigated in the last decade. Nevertheless, their precise etiology remains unclear. The present study aimed at providing new insights into the molecular mechanisms involved in their onset by identifying clusters of co-expressed genes (i.e., modules) and key loci associated with phenotypes highly related to the occurrence of these muscular disorders. The data obtained by a Weighted Gene Co-expression Network Analysis (WGCNA) were investigated to identify hub genes associated with the parameters breast width (W) and total crude protein content (PC) of Pectoralis major muscles (PM) previously harvested from 12 fast-growing broilers (6 normal vs. 6 affected by WS/WB). W and PC can be considered markers of the high breast yield of modern broilers and the impaired composition of abnormal fillets, respectively. Among the identified modules, the turquoise (r = -0.90, p < 0.0001) and yellow2 (r = 0.91, p < 0.0001) were those most significantly related to PC and W, and therefore respectively named “protein content” and “width” modules. Functional analysis of the width module evidenced genes involved in the ubiquitin-mediated proteolysis and inflammatory response. GTPase activator activity, PI3K-Akt signaling pathway, collagen catabolic process, and blood vessel development have been detected among the most significant functional categories of the protein content module. The most interconnected hub genes detected for the width module encode for proteins implicated in the adaptive responses to oxidative stress (i.e., THRAP3 and PRPF40A), and a member of the inhibitor of apoptosis family (i.e., BIRC2) involved in contrasting apoptotic events related to the endoplasmic reticulum (ER)-stress. The protein content module showed hub genes coding for different types of collagens (such as COL6A3 and COL5A2), along with MMP2 and SPARC, which are implicated in Collagen type IV catabolism and biosynthesis. Taken together, the present findings suggested that an ER stress condition may underly the inflammatory responses and apoptotic events taking place within affected PM muscles. Moreover, these results support the hypothesis of a role of the Collagen type IV in the cascade of events leading to the occurrence of WS/WB and identify novel actors probably involved in their onset.
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Affiliation(s)
- Martina Bordini
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum—University of Bologna, Bologna, Italy
| | - Francesca Soglia
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum—University of Bologna, Cesena, Italy
| | - Roberta Davoli
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum—University of Bologna, Bologna, Italy
| | - Martina Zappaterra
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum—University of Bologna, Bologna, Italy
- *Correspondence: Martina Zappaterra,
| | - Massimiliano Petracci
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum—University of Bologna, Cesena, Italy
| | - Adele Meluzzi
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum—University of Bologna, Bologna, Italy
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7
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Williams K, Yokomori K, Mortazavi A. Heterogeneous Skeletal Muscle Cell and Nucleus Populations Identified by Single-Cell and Single-Nucleus Resolution Transcriptome Assays. Front Genet 2022; 13:835099. [PMID: 35646075 PMCID: PMC9136090 DOI: 10.3389/fgene.2022.835099] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 03/25/2022] [Indexed: 11/13/2022] Open
Abstract
Single-cell RNA-seq (scRNA-seq) has revolutionized modern genomics, but the large size of myotubes and myofibers has restricted use of scRNA-seq in skeletal muscle. For the study of muscle, single-nucleus RNA-seq (snRNA-seq) has emerged not only as an alternative to scRNA-seq, but as a novel method providing valuable insights into multinucleated cells such as myofibers. Nuclei within myofibers specialize at junctions with other cell types such as motor neurons. Nuclear heterogeneity plays important roles in certain diseases such as muscular dystrophies. We survey current methods of high-throughput single cell and subcellular resolution transcriptomics, including single-cell and single-nucleus RNA-seq and spatial transcriptomics, applied to satellite cells, myoblasts, myotubes and myofibers. We summarize the major myonuclei subtypes identified in homeostatic and regenerating tissue including those specific to fiber type or at junctions with other cell types. Disease-specific nucleus populations were found in two muscular dystrophies, FSHD and Duchenne muscular dystrophy, demonstrating the importance of performing transcriptome studies at the single nucleus level in muscle.
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Affiliation(s)
- Katherine Williams
- Department of Developmental and Cell Biology, University of California, Irvine, Irvine, CA, United States
- Center for Complex Biological Systems, University of California, Irvine, Irvine, CA, United States
| | - Kyoko Yokomori
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, Irvine, CA, United States
| | - Ali Mortazavi
- Department of Developmental and Cell Biology, University of California, Irvine, Irvine, CA, United States
- Center for Complex Biological Systems, University of California, Irvine, Irvine, CA, United States
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8
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Peng Y, Du J, Günther S, Guo X, Wang S, Schneider A, Zhu L, Braun T. Mechano-signaling via Piezo1 prevents activation and p53-mediated senescence of muscle stem cells. Redox Biol 2022; 52:102309. [PMID: 35395625 PMCID: PMC9005960 DOI: 10.1016/j.redox.2022.102309] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/20/2022] [Accepted: 03/30/2022] [Indexed: 12/13/2022] Open
Abstract
Skeletal muscle stem cells (MuSCs), also called satellite cells, are instrumental for postnatal muscle growth and skeletal muscle regeneration. Numerous signaling cascades regulate the fate of MuSCs during muscle regeneration but the molecular mechanism by which MuSCs sense mechanical stimuli remain unclear. Here, we describe that Piezo1, a mechanosensitive ion channel, keeps MuSCs in a quiescent state and prevents senescence. Absence of Piezo1 induces precocious activation of MuSCs, attenuates proliferation, and impairs differentiation, essentially abolishing efficient skeletal muscle regeneration and replenishment of the MuSC pool. Furthermore, we discovered that inactivation of Piezo1 results in compensatory up-regulation of T-type voltage-gated Ca2+ channels, leading to increased Ca2+ influx, which strongly induces NOX4 expression via cPKC. Elevated NOX4 expression in Piezo1-deficient MuSCs increases ROS levels and DNA damage, causing P53-dependent cellular senescence and cell death. The importance of the P53/P21-axis for mediating Piezo1-dependent cellular defects was confirmed by pharmacological inhibition of P53 in Piezo1-deficient mice, which abrogates increased senescence of muscle cells and normalizes muscle regeneration. Our findings uncover an essential role of Piezo1-mediated mechano-signaling in MuSCs for maintaining quiescence and preventing senescence. Reduced mechano-signaling due to decreased physical activity during aging may contribute to the increase of senescent cells and the decline of MuSC numbers in geriatric mice and humans. Piezo1 is highly expressed in skeletal MuSCs and prevents their precocious activation. Loss of Piezo1 increases Ca2+ influx into MuSCs, which induces NOX4 expression via PKC, leading to enhanced ROS generation. Inactivation of Piezo1 depletes the MuSC pool and causes P53-dependent senescence of MuSCs. ROS scavenging in Piezo1-deficient MuSCs prevents P53 accumulation. Inhibition of P53 mitigates skeletal muscle regeneration defects in mice with Piezo1-deficient MuSCs.
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Affiliation(s)
- Yundong Peng
- Max-Planck-Institute for Heart and Lung Research, Department of Cardiac Development and Remodeling, 61231, Bad Nauheim, Germany
| | - Jingjing Du
- Max-Planck-Institute for Heart and Lung Research, Department of Cardiac Development and Remodeling, 61231, Bad Nauheim, Germany; College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Stefan Günther
- Max-Planck-Institute for Heart and Lung Research, Department of Cardiac Development and Remodeling, 61231, Bad Nauheim, Germany
| | - Xinyue Guo
- Max-Planck-Institute for Heart and Lung Research, Department of Cardiac Development and Remodeling, 61231, Bad Nauheim, Germany
| | - Shengpeng Wang
- Cardiovascular Research Center, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Key Laboratory of Environment and Genes Related to Diseases, No.76 West Yanta Road, Yanta District, Xi'an, China
| | - Andre Schneider
- Max-Planck-Institute for Heart and Lung Research, Department of Cardiac Development and Remodeling, 61231, Bad Nauheim, Germany
| | - Li Zhu
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
| | - Thomas Braun
- Max-Planck-Institute for Heart and Lung Research, Department of Cardiac Development and Remodeling, 61231, Bad Nauheim, Germany; German Centre for Cardiovascular Research (DZHK), Partner Site Rhein-Main, Frankfurt am Main, Germany.
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9
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Liu S, Joshi K, Denning MF, Zhang J. RIPK3 signaling and its role in the pathogenesis of cancers. Cell Mol Life Sci 2021; 78:7199-7217. [PMID: 34654937 PMCID: PMC9044760 DOI: 10.1007/s00018-021-03947-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/04/2021] [Accepted: 09/20/2021] [Indexed: 02/07/2023]
Abstract
RIPK3 (receptor-interacting protein kinase 3) is a serine/threonine-protein kinase. As a key component of necrosomes, RIPK3 is an essential mediator of inflammatory factors (such as TNFα-tumor necrosis factor α) and infection-induced necroptosis, a programmed necrosis. In addition, RIPK3 signaling is also involved in the regulation of apoptosis, cytokine/chemokine production, mitochondrial metabolism, autophagy, and cell proliferation by interacting with and/or phosphorylating the critical regulators of the corresponding signaling pathways. Similar to apoptosis, RIPK3-signaling-mediated necroptosis is inactivated in most types of cancers, suggesting RIPK3 might play a critical suppressive role in the pathogenesis of cancers. However, in some inflammatory types of cancers, such as pancreatic cancers and colorectal cancers, RIPK3 signaling might promote cancer development by stimulating proliferation signaling in tumor cells and inducing an immunosuppressive response in the tumor environment. In this review, we summarize recent research progress in the regulators of RIPK3 signaling, and discuss the function of this pathway in the regulation of mixed lineage kinase domain-like (MLKL)-mediated necroptosis and MLKL-independent cellular behaviors. In addition, we deliberate the potential roles of RIPK3 signaling in the pathogenesis of different types of cancers and discuss the potential strategies for targeting this pathway in cancer therapy.
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Affiliation(s)
- Shanhui Liu
- Department of Cancer Biology, Oncology Institute, Cardinal Bernardin Cancer Center, Loyola University Medical Center, Maywood, IL, 60153, USA
| | - Kanak Joshi
- Department of Cancer Biology, Oncology Institute, Cardinal Bernardin Cancer Center, Loyola University Medical Center, Maywood, IL, 60153, USA
| | - Mitchell F Denning
- Department of Cancer Biology, Oncology Institute, Cardinal Bernardin Cancer Center, Loyola University Medical Center, Maywood, IL, 60153, USA
| | - Jiwang Zhang
- Department of Cancer Biology, Oncology Institute, Cardinal Bernardin Cancer Center, Loyola University Medical Center, Maywood, IL, 60153, USA.
- Department of Pathology and Department of Radiation Oncology, Loyola University Medical Center, Maywood, IL, 60153, USA.
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10
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Abstract
Chromatin is highly dynamic, undergoing continuous global changes in its structure and type of histone and DNA modifications governed by processes such as transcription, repair, replication, and recombination. Members of the chromodomain helicase DNA-binding (CHD) family of enzymes are ATP-dependent chromatin remodelers that are intimately involved in the regulation of chromatin dynamics, altering nucleosomal structure and DNA accessibility. Genetic studies in yeast, fruit flies, zebrafish, and mice underscore essential roles of CHD enzymes in regulating cellular fate and identity, as well as proper embryonic development. With the advent of next-generation sequencing, evidence is emerging that these enzymes are subjected to frequent DNA copy number alterations or mutations and show aberrant expression in malignancies and other human diseases. As such, they might prove to be valuable biomarkers or targets for therapeutic intervention.
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Affiliation(s)
- Andrej Alendar
- Division of Molecular Genetics, The Netherlands Cancer Institute, Amsterdam 1066CX, The Netherlands
| | - Anton Berns
- Division of Molecular Genetics, The Netherlands Cancer Institute, Amsterdam 1066CX, The Netherlands
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11
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Control of satellite cell function in muscle regeneration and its disruption in ageing. Nat Rev Mol Cell Biol 2021; 23:204-226. [PMID: 34663964 DOI: 10.1038/s41580-021-00421-2] [Citation(s) in RCA: 151] [Impact Index Per Article: 50.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2021] [Indexed: 12/19/2022]
Abstract
Skeletal muscle contains a designated population of adult stem cells, called satellite cells, which are generally quiescent. In homeostasis, satellite cells proliferate only sporadically and usually by asymmetric cell division to replace myofibres damaged by daily activity and maintain the stem cell pool. However, satellite cells can also be robustly activated upon tissue injury, after which they undergo symmetric divisions to generate new stem cells and numerous proliferating myoblasts that later differentiate to muscle cells (myocytes) to rebuild the muscle fibre, thereby supporting skeletal muscle regeneration. Recent discoveries show that satellite cells have a great degree of population heterogeneity, and that their cell fate choices during the regeneration process are dictated by both intrinsic and extrinsic mechanisms. Extrinsic cues come largely from communication with the numerous distinct stromal cell types in their niche, creating a dynamically interactive microenvironment. This Review discusses the role and regulation of satellite cells in skeletal muscle homeostasis and regeneration. In particular, we highlight the cell-intrinsic control of quiescence versus activation, the importance of satellite cell-niche communication, and deregulation of these mechanisms associated with ageing. The increasing understanding of how satellite cells are regulated will help to advance muscle regeneration and rejuvenation therapies.
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CHD4 ensures stem cell lineage fidelity during skeletal muscle regeneration. Stem Cell Reports 2021; 16:2089-2098. [PMID: 34450038 PMCID: PMC8452531 DOI: 10.1016/j.stemcr.2021.07.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 07/29/2021] [Accepted: 07/30/2021] [Indexed: 11/20/2022] Open
Abstract
Regeneration of skeletal muscle requires resident stem cells called satellite cells. Here, we report that the chromatin remodeler CHD4, a member of the nucleosome remodeling and deacetylase (NuRD) repressive complex, is essential for the expansion and regenerative functions of satellite cells. We show that conditional deletion of the Chd4 gene in satellite cells results in failure to regenerate muscle after injury. This defect is principally associated with increased stem cell plasticity and lineage infidelity during the expansion of satellite cells, caused by de-repression of non-muscle-cell lineage genes in the absence of Chd4. Thus, CHD4 ensures that a transcriptional program that safeguards satellite cell identity during muscle regeneration is maintained. Given the therapeutic potential of muscle stem cells in diverse neuromuscular pathologies, CHD4 constitutes an attractive target for satellite cell-based therapies. CHD4/NuRD regulates satellite cell (SC) fate commitment CHD4 deficiency blocks SC proliferation and disrupts skeletal muscle regeneration CHD4/NuRD repress myogenic differentiation genes during SC proliferative expansion CHD4/NuRD represses genes associated with other fates (brain, heart) in SCs
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Cellular pathology of the human heart in Duchenne muscular dystrophy (DMD): lessons learned from in vitro modeling. Pflugers Arch 2021; 473:1099-1115. [DOI: 10.1007/s00424-021-02589-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 05/24/2021] [Accepted: 05/27/2021] [Indexed: 02/07/2023]
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Gao S, Menendez M, Kurylowicz K, Griffin CT. Genomic locus proteomic screening identifies the NF-κB signaling pathway components NFκB1 and IKBKG as transcriptional regulators of Ripk3 in endothelial cells. PLoS One 2021; 16:e0253519. [PMID: 34153072 PMCID: PMC8216549 DOI: 10.1371/journal.pone.0253519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 06/07/2021] [Indexed: 11/18/2022] Open
Abstract
The receptor-interacting protein kinase 3 (RIPK3) is a multi-functional protein best known for facilitating cellular necroptosis and inflammation. Recent evidence from our lab indicates that RIPK3 expression must be tightly regulated in endothelial cells to promote angiogenesis, to maintain vascular integrity during embryogenesis, and to provide protection from postnatal atherosclerosis. RIPK3 activity and stability are regulated by post-translational modifications and caspase-dependent cleavage. However, less is known about the transcriptional regulation of Ripk3. Here we utilized an unbiased CRISPR-based technology called genomic locus proteomics (GLoPro) to screen transcription factors and coregulatory proteins associated with the Ripk3 locus in a murine endothelial cell line. We found that 41 nuclear proteins are specifically enriched at the Ripk3 locus, including the Nuclear Factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling pathway components NFκB1 and IKBKG. We further verified that NFκB1 and IKBKG directly bind the Ripk3 promoter and prevent TNFα-induced Ripk3 transcription in cultured human primary endothelial cells. Moreover, NFκB1 prevents RIPK3-mediated death of primary endothelial cells. These data provide new insights into NF-κB signaling and Ripk3 transcriptional regulation in endothelial cells.
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Affiliation(s)
- Siqi Gao
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, United States of America
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, United States of America
| | - Matthew Menendez
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, United States of America
| | - Katarzyna Kurylowicz
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, United States of America
| | - Courtney T. Griffin
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, United States of America
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, United States of America
- * E-mail:
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Kim TY, Kang JH, Lee SB, Kang TB, Lee KH. Down-regulation of pro-necroptotic molecules blunts necroptosis during myogenesis. Biochem Biophys Res Commun 2021; 557:33-39. [PMID: 33862457 DOI: 10.1016/j.bbrc.2021.04.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 04/01/2021] [Indexed: 10/21/2022]
Abstract
Cell death and differentiation are closely related at the molecular level. Differentiation of skeletal muscle cells attenuates susceptibility to apoptosis. Necroptosis has recently been recognized as a form of regulated cell death but its role in myogenesis has not been studied. This study aimed to compare the sensitivity to TNF-induced necroptosis in skeletal muscle at the undifferentiated (myoblasts) and differentiated (myotubes) stages. Surprisingly, our results showed that TNF-induced necroptosis was blunted during myoblast differentiation. Moreover, our data revealed that the key molecules involved in necroptosis, including receptor-interacting serine/threonine protein kinase 1 (RIPK1), RIPK3, and mixed lineage kinase domain-like protein (MLKL), were significantly down-regulated during myogenic differentiation, resulting in suppression of necroptosis signal transduction in differentiated myotubes. In addition, RIPK1, RIPK3, and MLKL expression levels were significantly lower in the skeletal muscle of adult mice than in newborn mice, suggesting that the susceptibility to necroptosis might be attenuated in differentiated muscle tissue. In conclusion, this study revealed that expression of key molecules involved in necroptosis is down-regulated during muscle differentiation, which results in the differentiation of muscles becoming insensitive to necroptotic cell death.
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Affiliation(s)
- Tae-Yeon Kim
- Department of Applied Life Sciences, Graduate School, BK21 Program, Konkuk University, Chungju, 27478, Republic of Korea
| | - Ju-Hui Kang
- Department of Applied Life Sciences, Graduate School, BK21 Program, Konkuk University, Chungju, 27478, Republic of Korea
| | - Se-Bin Lee
- Department of Applied Life Sciences, Graduate School, BK21 Program, Konkuk University, Chungju, 27478, Republic of Korea
| | - Tae-Bong Kang
- Department of Applied Life Sciences, Graduate School, BK21 Program, Konkuk University, Chungju, 27478, Republic of Korea; Department of Biotechnology, College of Biomedical & Health Science, Konkuk University, Chungju, 27487, Republic of Korea.
| | - Kwang-Ho Lee
- Department of Applied Life Sciences, Graduate School, BK21 Program, Konkuk University, Chungju, 27478, Republic of Korea; Department of Biotechnology, College of Biomedical & Health Science, Konkuk University, Chungju, 27487, Republic of Korea
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Relaix F, Bencze M, Borok MJ, Der Vartanian A, Gattazzo F, Mademtzoglou D, Perez-Diaz S, Prola A, Reyes-Fernandez PC, Rotini A, Taglietti. Perspectives on skeletal muscle stem cells. Nat Commun 2021; 12:692. [PMID: 33514709 PMCID: PMC7846784 DOI: 10.1038/s41467-020-20760-6] [Citation(s) in RCA: 150] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 12/17/2020] [Indexed: 01/30/2023] Open
Abstract
Skeletal muscle has remarkable regeneration capabilities, mainly due to its resident muscle stem cells (MuSCs). In this review, we introduce recently developed technologies and the mechanistic insights they provide to the understanding of MuSC biology, including the re-definition of quiescence and Galert states. Additionally, we present recent studies that link MuSC function with cellular heterogeneity, highlighting the complex regulation of self-renewal in regeneration, muscle disorders and aging. Finally, we discuss MuSC metabolism and its role, as well as the multifaceted regulation of MuSCs by their niche. The presented conceptual advances in the MuSC field impact on our general understanding of stem cells and their therapeutic use in regenerative medicine.
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Affiliation(s)
- F. Relaix
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France ,EnvA, IMRB, 94700 Maisons-Alfort, France ,grid.462410.50000 0004 0386 3258EFS, IMRB, 94010 Creteil, France ,grid.50550.350000 0001 2175 4109AP-HP, Hopital Mondor, Service d’histologie, 94010 Creteil, France
| | - M. Bencze
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France
| | - M. J. Borok
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France
| | - A. Der Vartanian
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France
| | - F. Gattazzo
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France ,grid.462410.50000 0004 0386 3258EFS, IMRB, 94010 Creteil, France
| | - D. Mademtzoglou
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France
| | - S. Perez-Diaz
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France
| | - A. Prola
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France ,EnvA, IMRB, 94700 Maisons-Alfort, France
| | - P. C. Reyes-Fernandez
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France
| | - A. Rotini
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France
| | - Taglietti
- grid.462410.50000 0004 0386 3258Univ Paris Est Creteil, INSERM, IMRB, 94010 Creteil, France
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Myofiber necroptosis promotes muscle stem cell proliferation via releasing Tenascin-C during regeneration. Cell Res 2020; 30:1063-1077. [PMID: 32839552 PMCID: PMC7784988 DOI: 10.1038/s41422-020-00393-6] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 08/03/2020] [Indexed: 02/07/2023] Open
Abstract
Necroptosis, a form of programmed cell death, is characterized by the loss of membrane integrity and release of intracellular contents, the execution of which depends on the membrane-disrupting activity of the Mixed Lineage Kinase Domain-Like protein (MLKL) upon its phosphorylation. Here we found myofibers committed MLKL-dependent necroptosis after muscle injury. Either pharmacological inhibition of the necroptosis upstream kinase Receptor Interacting Protein Kinases 1 (RIPK1) or genetic ablation of MLKL expression in myofibers led to significant muscle regeneration defects. By releasing factors into the muscle stem cell (MuSC) microenvironment, necroptotic myofibers facilitated muscle regeneration. Tenascin-C (TNC), released by necroptotic myofibers, was found to be critical for MuSC proliferation. The temporary expression of TNC in myofibers is tightly controlled by necroptosis; the extracellular release of TNC depends on necroptotic membrane rupture. TNC directly activated EGF receptor (EGFR) signaling pathway in MuSCs through its N-terminus assembly domain together with the EGF-like domain. These findings indicate that necroptosis plays a key role in promoting MuSC proliferation to facilitate muscle regeneration.
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