1
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Guo L, Huang W, Wen Q, Zhang S, Bordbar F, Xiao Z, Nie Q. The first embryonic landscape of G-quadruplexes related to myogenesis. BMC Biol 2024; 22:194. [PMID: 39256800 PMCID: PMC11389323 DOI: 10.1186/s12915-024-01993-z] [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: 03/06/2024] [Accepted: 08/27/2024] [Indexed: 09/12/2024] Open
Abstract
BACKGROUND DNA G-quadruplexes (G4s) represent a distinctive class of non-canonical DNA secondary structures. Despite their recognition as potential therapeutic targets in some cancers, the developmental role of G4 structures remains enigmatic. Mammalian embryonic myogenesis studies are hindered by limitations, prompting the use of chicken embryo-derived myoblasts as a model to explore G4 dynamics. This study aims to reveal the embryonic G4s landscape and elucidate the underlying mechanisms for candidate G4s that influence embryonic myogenesis. RESULTS This investigation unveils a significant reduction in G4s abundance during myogenesis. G4s stabilizer pyridostatin impedes embryonic myogenesis, emphasizing the regulatory role of G4s in this process. G4 Cut&Tag sequencing and RNA-seq analyses identify potential G4s and DEGs influencing embryonic myogenesis. Integration of G4 and DEG candidates identifies 32 G4s located in promoter regions capable of modulating gene transcription. WGBS elucidates DNA methylation dynamics during embryonic myogenesis. Coordinating transcriptome data with DNA G4s and DNA methylation profiles constructs a G4-DMR-DEG network, revealing nine interaction pairs. Notably, the NFATC2 promoter region sequence is confirmed to form a G4 structure, reducing promoter mCpG content and upregulating NFATC2 transcriptional activity. CONCLUSIONS This comprehensive study unravels the first embryonic genomic G4s landscape, highlighting the regulatory role of NFATC2 G4 in orchestrating transcriptional activity through promoter DNA methylation during myogenesis.
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Affiliation(s)
- Lijin Guo
- State Key Laboratory of Livestock and Poultry Breeding, & Lingnan Guangdong Laboratory of Agriculture, & Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding & Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou, 510642, China
- Henry Fok School of Biology and Agriculture, Shaoguan University, Shaoguan, 512005, China
| | - Weiling Huang
- State Key Laboratory of Livestock and Poultry Breeding, & Lingnan Guangdong Laboratory of Agriculture, & Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding & Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou, 510642, China
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, UK
| | - Qi Wen
- State Key Laboratory of Livestock and Poultry Breeding, & Lingnan Guangdong Laboratory of Agriculture, & Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding & Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou, 510642, China
| | - Siyu Zhang
- State Key Laboratory of Livestock and Poultry Breeding, & Lingnan Guangdong Laboratory of Agriculture, & Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding & Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou, 510642, China
| | - Farhad Bordbar
- State Key Laboratory of Livestock and Poultry Breeding, & Lingnan Guangdong Laboratory of Agriculture, & Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding & Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou, 510642, China
| | - Zhengzhong Xiao
- Henry Fok School of Biology and Agriculture, Shaoguan University, Shaoguan, 512005, China
| | - Qinghua Nie
- State Key Laboratory of Livestock and Poultry Breeding, & Lingnan Guangdong Laboratory of Agriculture, & Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding & Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou, 510642, China.
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2
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Xia Y, Zhang X, Zhang X, Zhu H, Zhong X, Song W, Yuan J, Sha Z, Li F. Gene structure, expression and function analysis of the MyoD gene in the Pacific white shrimp Litopenaeus vannamei. Gene 2024; 921:148523. [PMID: 38703863 DOI: 10.1016/j.gene.2024.148523] [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: 01/23/2024] [Revised: 04/14/2024] [Accepted: 04/30/2024] [Indexed: 05/06/2024]
Abstract
The Pacific white shrimp Litopenaeus vannamei is a representative species of decapod crustacean and an economically important marine aquaculture species worldwide. However, research on the genes involved in muscle growth and development in shrimp is still lacking. MyoD is recognized as a crucial regulator of myogenesis and plays an essential role in muscle growth and differentiation in various animals. Nonetheless, little information is available concerning the function of this gene among crustaceans. In this study, we identified a sequence of the MyoD gene (LvMyoD) with a conserved bHLH domain in the L. vannamei genome. Phylogenetic analysis revealed that both the overall protein sequence and specific functional sites of LvMyoD are highly conserved with those of other crustacean species and that they are evolutionarily closely related to vertebrate MyoD and Myf5. LvMyoD expression is initially high during early muscle development in shrimp and gradually decreases after 40 days post-larval development. In adults, the muscle-specific expression of LvMyoD was confirmed through RT-qPCR analysis. Knockdown of LvMyoD inhibited the growth of the shrimp in body length and weight. Histological observation and transcriptome sequencing of muscle samples after RNA interference (RNAi) revealed nuclear agglutination and looseness in muscle fibers. Additionally, we observed significant effects on the expression of genes involved in heat shock proteins, myosins, actins, protein synthesis, and glucose metabolism. These findings suggest that LvMyoD plays a critical role in regulating muscle protein synthesis and muscle cell differentiation. Overall, this study highlights the involvement of LvMyoD in myogenesis and muscle growth, suggesting that it is a potentially important regulatory target for shrimp breeding efforts.
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Affiliation(s)
- Yanting Xia
- Chinese Academy of Sciences (CAS) and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Institute of Aquatic Biotechnology, Collage of Life Sciences, Qingdao University, Qingdao 266071, China
| | - Xiaojun Zhang
- Chinese Academy of Sciences (CAS) and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Institute of Aquatic Biotechnology, Collage of Life Sciences, Qingdao University, Qingdao 266071, China; College of Earth Science, University of Chinese Academy of Sciences, Beijing, 100049, China; Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Wuhan 430072, China.
| | - Xiaoxi Zhang
- Chinese Academy of Sciences (CAS) and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Haochen Zhu
- Chinese Academy of Sciences (CAS) and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Institute of Aquatic Biotechnology, Collage of Life Sciences, Qingdao University, Qingdao 266071, China
| | - Xiaoyun Zhong
- Chinese Academy of Sciences (CAS) and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; College of Earth Science, University of Chinese Academy of Sciences, Beijing, 100049, China
| | | | - Jianbo Yuan
- Chinese Academy of Sciences (CAS) and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; College of Earth Science, University of Chinese Academy of Sciences, Beijing, 100049, China; Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Wuhan 430072, China
| | - Zhenxia Sha
- Institute of Aquatic Biotechnology, Collage of Life Sciences, Qingdao University, Qingdao 266071, China
| | - Fuhua Li
- Chinese Academy of Sciences (CAS) and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; College of Earth Science, University of Chinese Academy of Sciences, Beijing, 100049, China; Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Wuhan 430072, China
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3
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Guo D, Lin S, Wang X, Jiao Z, Li G, An L, Zhang Z, Zhang L. Establishment and Characterization of a Chicken Myoblast Cell Line. Int J Mol Sci 2024; 25:8340. [PMID: 39125909 PMCID: PMC11312951 DOI: 10.3390/ijms25158340] [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: 06/03/2024] [Revised: 07/17/2024] [Accepted: 07/28/2024] [Indexed: 08/12/2024] Open
Abstract
Skeletal muscle, which is predominantly constituted by multinucleated muscle fibers, plays a pivotal role in sustaining bodily movements and energy metabolism. Myoblasts, which serve as precursor cells for differentiation and fusion into muscle fibers, are of critical importance in the exploration of the functional genes associated with embryonic muscle development. However, the in vitro proliferation of primary myoblasts is inherently constrained. In this study, we achieved a significant breakthrough by successfully establishing a chicken myoblast cell line through the introduction of the exogenous chicken telomerase reverse transcriptase (chTERT) gene, followed by rigorous G418-mediated pressure screening. This newly developed cell line, which was designated as chTERT-myoblasts, closely resembled primary myoblasts in terms of morphology and exhibited remarkable stability in culture for at least 20 generations of population doublings without undergoing malignant transformation. In addition, we conducted an exhaustive analysis that encompassed cellular proliferation, differentiation, and transfection characteristics. Our findings revealed that the chTERT-myoblasts had the ability to proliferate, differentiate, and transfect after multiple rounds of population doublings. This achievement not only furnished a valuable source of homogeneous avian cell material for investigating embryonic muscle development, but also provided valuable insights and methodologies for establishing primary cell lines.
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Affiliation(s)
- Dongxue Guo
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Shudai Lin
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Xiaotong Wang
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Zhenhai Jiao
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Guo Li
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Lilong An
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Zihao Zhang
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Li Zhang
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
- Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation in Zhanjiang, Guangdong Ocean University, Zhanjiang 524088, China
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4
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Kaplan MM, Zeidler M, Knapp A, Hölzl M, Kress M, Fritsch H, Krogsdam A, Flucher BE. Spatial transcriptomics in embryonic mouse diaphragm muscle reveals regional gradients and subdomains of developmental gene expression. iScience 2024; 27:110018. [PMID: 38883818 PMCID: PMC11177202 DOI: 10.1016/j.isci.2024.110018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 03/22/2024] [Accepted: 05/14/2024] [Indexed: 06/18/2024] Open
Abstract
The murine embryonic diaphragm is a primary model for studying myogenesis and neuro-muscular synaptogenesis, both representing processes regulated by spatially organized genetic programs of myonuclei located in distinct myodomains. However, a spatial gene expression pattern of embryonic mouse diaphragm has not been reported. Here, we provide spatially resolved gene expression data for horizontally sectioned embryonic mouse diaphragms at embryonic days E14.5 and E18.5. These data reveal gene signatures for specific muscle regions with distinct maturity and fiber type composition, as well as for a central neuromuscular junction (NMJ) and a peripheral myotendinous junction (MTJ) compartment. Comparing spatial expression patterns of wild-type mice with those of transgenic mice lacking either the skeletal muscle calcium channel CaV1.1 or β-catenin, reveals curtailed muscle development and dysregulated expression of genes potentially involved in NMJ formation. Altogether, these datasets provide a powerful resource for further studies of muscle development and NMJ formation in the mouse.
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Affiliation(s)
| | - Maximilian Zeidler
- Institute of Physiology, Medical University Innsbruck, 6020 Innsbruck, Austria
| | - Annabella Knapp
- Institute of Clinical and Functional Anatomy, Medical University Innsbruck, 6020 Innsbruck, Austria
| | - Martina Hölzl
- Deep Sequencing Core and Institute for Bioinformatics Medical University Innsbruck, 6020 Innsbruck, Austria
| | - Michaela Kress
- Institute of Physiology, Medical University Innsbruck, 6020 Innsbruck, Austria
| | - Helga Fritsch
- Institute of Clinical and Functional Anatomy, Medical University Innsbruck, 6020 Innsbruck, Austria
| | - Anne Krogsdam
- Deep Sequencing Core and Institute for Bioinformatics Medical University Innsbruck, 6020 Innsbruck, Austria
| | - Bernhard E Flucher
- Institute of Physiology, Medical University Innsbruck, 6020 Innsbruck, Austria
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5
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Kuriki M, Korb A, Comai G, Tajbakhsh S. Interplay between Pitx2 and Pax7 temporally governs specification of extraocular muscle stem cells. PLoS Genet 2024; 20:e1010935. [PMID: 38875306 PMCID: PMC11178213 DOI: 10.1371/journal.pgen.1010935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 03/05/2024] [Indexed: 06/16/2024] Open
Abstract
Gene regulatory networks that act upstream of skeletal muscle fate determinants are distinct in different anatomical locations. Despite recent efforts, a clear understanding of the cascade of events underlying the emergence and maintenance of the stem cell pool in specific muscle groups remains unresolved and debated. Here, we invalidated Pitx2 with multiple Cre-driver mice prenatally, postnatally, and during lineage progression. We showed that this gene becomes progressively dispensable for specification and maintenance of the muscle stem (MuSC) cell pool in extraocular muscles (EOMs) despite being, together with Myf5, a major upstream regulator during early development. Moreover, constitutive inactivation of Pax7 postnatally led to a greater loss of MuSCs in the EOMs compared to the limb. Thus, we propose a relay between Pitx2, Myf5 and Pax7 for EOM stem cell maintenance. We demonstrate also that MuSCs in the EOMs adopt a quiescent state earlier that those in limb muscles and do not spontaneously proliferate in the adult, yet EOMs have a significantly higher content of Pax7+ MuSCs per area pre- and post-natally. Finally, while limb MuSCs proliferate in the mdx mouse model for Duchenne muscular dystrophy, significantly less MuSCs were present in the EOMs of the mdx mouse model compared to controls, and they were not proliferative. Overall, our study provides a comprehensive in vivo characterisation of MuSC heterogeneity along the body axis and brings further insights into the unusual sparing of EOMs during muscular dystrophy.
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Affiliation(s)
- Mao Kuriki
- Institut Pasteur, Université Paris Cité, CNRS UMR 3738, Stem Cells & Development Unit, Institut Pasteur, Paris, France
| | - Amaury Korb
- Institut Pasteur, Université Paris Cité, CNRS UMR 3738, Stem Cells & Development Unit, Institut Pasteur, Paris, France
| | - Glenda Comai
- Institut Pasteur, Université Paris Cité, CNRS UMR 3738, Stem Cells & Development Unit, Institut Pasteur, Paris, France
| | - Shahragim Tajbakhsh
- Institut Pasteur, Université Paris Cité, CNRS UMR 3738, Stem Cells & Development Unit, Institut Pasteur, Paris, France
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6
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Porcu C, Dobrowolny G, Scicchitano BM. Exploring the Role of Extracellular Vesicles in Skeletal Muscle Regeneration. Int J Mol Sci 2024; 25:5811. [PMID: 38892005 PMCID: PMC11171935 DOI: 10.3390/ijms25115811] [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: 04/30/2024] [Revised: 05/21/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024] Open
Abstract
Skeletal muscle regeneration entails a multifaceted process marked by distinct phases, encompassing inflammation, regeneration, and remodeling. The coordination of these phases hinges upon precise intercellular communication orchestrated by diverse cell types and signaling molecules. Recent focus has turned towards extracellular vesicles (EVs), particularly small EVs, as pivotal mediators facilitating intercellular communication throughout muscle regeneration. Notably, injured muscle provokes the release of EVs originating from myofibers and various cell types, including mesenchymal stem cells, satellite cells, and immune cells such as M2 macrophages, which exhibit anti-inflammatory and promyogenic properties. EVs harbor a specific cargo comprising functional proteins, lipids, and nucleic acids, including microRNAs (miRNAs), which intricately regulate gene expression in target cells and activate downstream pathways crucial for skeletal muscle homeostasis and repair. Furthermore, EVs foster angiogenesis, muscle reinnervation, and extracellular matrix remodeling, thereby modulating the tissue microenvironment and promoting effective tissue regeneration. This review consolidates the current understanding on EVs released by cells and damaged tissues throughout various phases of muscle regeneration with a focus on EV cargo, providing new insights on potential therapeutic interventions to mitigate muscle-related pathologies.
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Affiliation(s)
- Cristiana Porcu
- DAHFMO-Unità di Istologia ed Embriologia Medica, Sapienza Università di Roma, 00161 Roma, Italy;
| | - Gabriella Dobrowolny
- DAHFMO-Unità di Istologia ed Embriologia Medica, Sapienza Università di Roma, 00161 Roma, Italy;
| | - Bianca Maria Scicchitano
- Sezione di Istologia ed Embriologia, Dipartimento di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, 00168 Roma, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy
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7
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Wei X, Rigopoulos A, Lienhard M, Pöhle-Kronawitter S, Kotsaris G, Franke J, Berndt N, Mejedo JO, Wu H, Börno S, Timmermann B, Murgai A, Glauben R, Stricker S. Neurofibromin 1 controls metabolic balance and Notch-dependent quiescence of murine juvenile myogenic progenitors. Nat Commun 2024; 15:1393. [PMID: 38360927 PMCID: PMC10869796 DOI: 10.1038/s41467-024-45618-z] [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: 09/07/2021] [Accepted: 01/30/2024] [Indexed: 02/17/2024] Open
Abstract
Patients affected by neurofibromatosis type 1 (NF1) frequently show muscle weakness with unknown etiology. Here we show that, in mice, Neurofibromin 1 (Nf1) is not required in muscle fibers, but specifically in early postnatal myogenic progenitors (MPs), where Nf1 loss led to cell cycle exit and differentiation blockade, depleting the MP pool resulting in reduced myonuclear accretion as well as reduced muscle stem cell numbers. This was caused by precocious induction of stem cell quiescence coupled to metabolic reprogramming of MPs impinging on glycolytic shutdown, which was conserved in muscle fibers. We show that a Mek/Erk/NOS pathway hypersensitizes Nf1-deficient MPs to Notch signaling, consequently, early postnatal Notch pathway inhibition ameliorated premature quiescence, metabolic reprogramming and muscle growth. This reveals an unexpected role of Ras/Mek/Erk signaling supporting postnatal MP quiescence in concert with Notch signaling, which is controlled by Nf1 safeguarding coordinated muscle growth and muscle stem cell pool establishment. Furthermore, our data suggest transmission of metabolic reprogramming across cellular differentiation, affecting fiber metabolism and function in NF1.
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Affiliation(s)
- Xiaoyan Wei
- Musculoskeletal Development and Regeneration Group, Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany
- Max Planck Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Angelos Rigopoulos
- Musculoskeletal Development and Regeneration Group, Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany
- Max Planck Institute for Molecular Genetics, 14195, Berlin, Germany
- International Max Planck Research School for Biology and Computation IMPRS-BAC, Berlin, Germany
| | - Matthias Lienhard
- Department of Computational Molecular Biology, Max Planck Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Sophie Pöhle-Kronawitter
- Musculoskeletal Development and Regeneration Group, Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany
| | - Georgios Kotsaris
- Musculoskeletal Development and Regeneration Group, Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany
| | - Julia Franke
- Musculoskeletal Development and Regeneration Group, Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany
- Max Planck Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Nikolaus Berndt
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), Nuthetal, Germany
- Institute of Computer-assisted Cardiovascular Medicine, Deutsches Herzzentrum der Charité (DHZC), Berlin, Germany
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Joy Orezimena Mejedo
- Musculoskeletal Development and Regeneration Group, Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany
| | - Hao Wu
- Division of Gastroenterology, Infectiology and Rheumatology, Medical Department, Charité University Medicine Berlin, 12203, Berlin, Germany
| | - Stefan Börno
- Sequencing Core Unit, Max Planck Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Bernd Timmermann
- Sequencing Core Unit, Max Planck Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Arunima Murgai
- Musculoskeletal Development and Regeneration Group, Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany
| | - Rainer Glauben
- Division of Gastroenterology, Infectiology and Rheumatology, Medical Department, Charité University Medicine Berlin, 12203, Berlin, Germany
| | - Sigmar Stricker
- Musculoskeletal Development and Regeneration Group, Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany.
- Max Planck Institute for Molecular Genetics, 14195, Berlin, Germany.
- International Max Planck Research School for Biology and Computation IMPRS-BAC, Berlin, Germany.
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8
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Haddish K, Yun JW. Echinacoside stimulates myogenesis and ATP-dependent thermogenesis in the skeletal muscle via the activation of D1-like dopaminergic receptors. Arch Biochem Biophys 2024; 752:109886. [PMID: 38215960 DOI: 10.1016/j.abb.2024.109886] [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: 06/18/2023] [Revised: 12/27/2023] [Accepted: 01/08/2024] [Indexed: 01/14/2024]
Abstract
Recent studies have shown that some natural compounds from plants prevent obesity and related disorders, including the loss of skeletal muscle mass and strength. In this study, we investigated the effect of echinacoside (ECH), a caffeic acid glycoside from the phenylpropanoid class, on myogenesis and ATP-dependent thermogenesis in the skeletal muscle and its interaction with the dopaminergic receptors 1 and 5 (DRD1 and DRD5). We applied RT-PCR, immunoblot analysis, a staining method, and an assay kit to determine the effects of ECH on diverse target genes and proteins involved in skeletal muscle myogenesis and ATP-consuming futile processes. Our study demonstrated that ECH enhanced myogenic differentiation, glucose, and fatty acid uptake, as well as lipid catabolism, and induced ATP-dependent thermogenesis in vitro and in vivo. Moreover, ECH upregulated mitochondrial biogenesis proteins, mitochondrial oxidative phosphorylation (OXPHOS) complexes, and intracellular Ca2+ signaling as well as thermogenic proteins. These findings were further elucidated by mechanistic studies which showed that ECH mediates myogenesis via the DRD1/5 in C2C12 muscle cells. In addition, ECH stimulates α1-AR-mediated ATP-dependent thermogenesis via the DRD1/5/cAMP/SLN/SERCA1a pathway in C2C12 muscle cells. To the best of our knowledge, this is the first report that demonstrates the myogenic and thermogenic potential of ECH activity through the dopaminergic receptors. Understanding the novel functions of ECH in terms of its ability to prevent skeletal muscle loss and energy expenditure via ATP-consuming futile processes could help to develop potential alternative strategies to address muscle-related diseases, including combating obesity.
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Affiliation(s)
- Kiros Haddish
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk, 38453, Republic of Korea
| | - Jong Won Yun
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk, 38453, Republic of Korea.
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9
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Nakamura M, Imaoka M, Sakai K, Kubo T, Imai R, Hida M, Tazaki F, Orui J, Inoue T, Takeda M. Complement component C3 is associated with body composition parameters and sarcopenia in community-dwelling older adults: a cross-sectional study in Japan. BMC Geriatr 2024; 24:102. [PMID: 38279167 PMCID: PMC10821262 DOI: 10.1186/s12877-024-04720-z] [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: 02/12/2023] [Accepted: 01/18/2024] [Indexed: 01/28/2024] Open
Abstract
BACKGROUND Chronic inflammation is a factor in the pathogenesis of sarcopenia, which is characterized by low muscle mass and reduced strength. Complement C3 is important in the management of the immune network system. This study seeks to determine the relationship between serum C3 levels and body composition and sarcopenia-related status in community-dwelling older adults. METHODS Study participants were 269 older adults living in rural Japan. A bioelectrical impedance analysis device was used to measure body composition parameters including body mass index (BMI), body fat percentage, waist-hip-ratio, and appendicular skeletal muscle mass index (SMI). Muscle function was measured by handgrip strength and 6-m walking speed. The correlation coefficients for C3 level and measurements were calculated using Pearson correlation analysis. Participants were categorized into normal, pre-sarcopenia, dynapenia, or sarcopenia groups. Sarcopenia was defined according to 2019 Asian Working Group for Sarcopenia definition, dynapenia was defined as low muscle function without low muscle mass, and pre-sarcopenia was defined as the presence of low muscle mass only. The C3 threshold score for sarcopenia status was evaluated by receiver operating characteristic curve (ROC) analysis. RESULTS Significant positive correlations were found between C3 and BMI, body fat percentage, and waist-hip ratio in both sexes, and further positive correlations with SMI were found in women. The relationship with body fat percentage was particularly strong. Body composition measurements (BMI, body fat percentage, and waist- hip ratio) and C3 levels were lowest in the sarcopenia group compared with the others. ROC analysis showed that the significant threshold of C3 for discriminating between the normal and sarcopenia groups was 105 mg/dL. Multiple logistic regression analysis showed that participants with C3 < 105 mg/dL had an odds ratio of 3.27 (95% confidence interval, 1.49-7.18) for sarcopenia adjusted by sex, age and body fat percentage. CONCLUSION C3 levels are suggested to be related to body composition and pathophysiological functions of sarcopenia. C3 is expected to become a useful biomarker for sarcopenia, for predicting the onset of the disease and for predicting the effectiveness of interventions.
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Affiliation(s)
- Misa Nakamura
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan.
| | - Masakazu Imaoka
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan
| | - Keiko Sakai
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan
| | - Takanari Kubo
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan
| | - Ryota Imai
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan
| | - Mitsumasa Hida
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan
| | - Fumie Tazaki
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan
| | - Junya Orui
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan
| | - Takao Inoue
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan
| | - Masatoshi Takeda
- Department of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka, Osaka, 597-0104, Japan
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10
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Zhang Z, Luo W, Chen G, Chen J, Lin S, Ren T, Lin Z, Zhao C, Wen H, Nie Q, Meng X, Zhang X. Chicken muscle antibody array reveals the regulations of LDHA on myoblast differentiation through energy metabolism. Int J Biol Macromol 2024; 254:127629. [PMID: 37890747 DOI: 10.1016/j.ijbiomac.2023.127629] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/20/2023] [Accepted: 10/21/2023] [Indexed: 10/29/2023]
Abstract
Myoblast proliferation and differentiation are highly dynamic and regulated processes in skeletal muscle development. Given that proteins serve as the executors for the majority of biological processes, exploring key regulatory factors and mechanisms at the protein level offers substantial opportunities for understanding the skeletal muscle development. In this study, a total of 607 differentially expressed proteins between proliferation and differentiation in myoblasts were screened out using our chicken muscle antibody array. Biological function analysis revealed the importance of energy production processes and compound metabolic processes in myogenesis. Our antibody array specifically identified an upregulation of LDHA during differentiation, which was associated with the energy metabolism. Subsequent investigation demonstrated that LDHA promoted the glycolysis and TCA cycle, thereby enhancing myoblasts differentiation. Mechanistically, LDHA promotes the glycolysis and TCA cycle but inhibits the ETC oxidative phosphorylation through enhancing the NADH cycle, providing the intermediate metabolites that improve the myoblasts differentiation. Additionally, increased glycolytic ATP by LDHA induces Akt phosphorylation and activate the PI3K-Akt pathway, which might also contribute to the promotion of myoblasts differentiation. Our studies not only present a powerful tool for exploring myogenic regulatory factors in chicken muscle, but also identify a novel role for LDHA in modulating myoblast differentiation through its regulation of cellular NAD+ levels and subsequent downstream effects on mitochondrial function.
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Affiliation(s)
- Zihao Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China; College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Wen Luo
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China; Lingnan Guangdong Laboratory of Agriculture, South China Agricultural University, Guangzhou 510642, China; Department of Orthaepedics and Traumatology, The Chinese University of Hong Kong, Hong Kong 999077, China
| | - Genghua Chen
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China
| | - Jiahui Chen
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China
| | - Shudai Lin
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Tuanhui Ren
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China
| | - Zetong Lin
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China
| | - Changbin Zhao
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China
| | - Huaqiang Wen
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China
| | - Qinghua Nie
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China; Lingnan Guangdong Laboratory of Agriculture, South China Agricultural University, Guangzhou 510642, China
| | - Xun Meng
- School of Life Sciences, Northwest University, Xi'an 710069, China; Abmart, 333 Guiping Road, Shanghai 200033, China.
| | - Xiquan Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affair, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Livestock and Poultry Breeding, South China Agricultural University, Guangzhou 510642, China; Lingnan Guangdong Laboratory of Agriculture, South China Agricultural University, Guangzhou 510642, China.
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11
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Della Gaspera B, Chanoine C. [The lateral somitic frontier: The source of multipotent somitic cells in Xenopus]. Med Sci (Paris) 2023; 39:967-974. [PMID: 38108728 DOI: 10.1051/medsci/2023181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023] Open
Abstract
The somites are embryonic structures that give rise to the axial musculoskeletal system. In amniotes vertebrates, somites are composed of multipotent somitic cells that quickly compartmentalize into a dorsal dermomyotome and a ventral sclerotome. In the somites, the dermomyotome gives rise to skeletal muscle cells (the myotome) and the dorsal dermis (the dermatome), while the sclerotome gives rise to vertebrae, ribs, and dorsal tendons (the syndetome). The compartmentalization pattern differs in anamniotes, with the establishment of a primitive myotome that begins before somite formation while the LSF (lateral somitic frontier) give rise to both the sclerotome and the dermomyotome in Xenopus. In this synthesis, we describe the contribution of the LSF in establishing somitic lineages in Xenopus and propose a model that traces the evolutionary history of somites back to ancestral precursors associated with striated skeletal muscle.
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Affiliation(s)
- Bruno Della Gaspera
- Université Paris Cité, Inserm U1124, campus Saint-Germain, 45 rue des saints-pères, 75006 Paris, France
| | - Christophe Chanoine
- Université Paris Cité, Inserm U1124, campus Saint-Germain, 45 rue des saints-pères, 75006 Paris, France
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12
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Li F, Zhu C, Luo Y, Li S, Wang Q, Han Y, Wu Z, Li X, Liang Y, Chen Y, Shen X, Huang Y, Tian Y, Zhang X. Transcriptomic Analysis on Pectoral Muscle of European Meat Pigeons and Shiqi Pigeons during Embryonic Development. Animals (Basel) 2023; 13:3267. [PMID: 37893991 PMCID: PMC10603743 DOI: 10.3390/ani13203267] [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: 09/04/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
In avian muscle development, embryonic muscle development determines the number of myofibers after birth. Therefore, in this study, we investigated the phenotypic differences and the molecular mechanism of pectoral muscle development of the European meat pigeon Mimas strain (later called European meat pigeon) and Shiqi pigeon on embryonic day 6 (E6), day 10 (E10), day 14 (E14) and day 1 after birth (P1). The results showed that the myofiber density of the Shiqi pigeon was significantly higher than that of the European meat pigeon on E6, and myofibers with a diameter in the range of 50~100 μm of the Shiqi pigeon on P1 were significantly higher than those of European meat pigeon. A total of 204 differential expressed genes (DEGs) were obtained from RNA-seq analysis in comparison between pigeon breeds at the same stage. DEGs related to muscle development were found to significantly enrich the cellular amino acid catabolism, carboxylic acid catabolism, extracellular matrix receptor interaction, REDOX enzyme activity, calcium signaling pathway, ECM receptor interaction, PPAR signaling pathway and other pathways. Using Cytoscape software to create mutual mapping, we identified 33 candidate genes. RT-qPCR was performed to verify the 8 DEGs selected-DES, MYOD, MYF6, PTGS1, MYF5, MYH1, MSTN and PPARG-and the results were consistent with RNA-seq. This study provides basic data for revealing the distinct embryonic development mechanism of pectoral muscle between European meat pigeons and Shiqi pigeons.
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Affiliation(s)
- Fada Li
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Chenyu Zhu
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yongquan Luo
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Songchao Li
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Qi Wang
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yuanhao Han
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Zhongping Wu
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Xiujin Li
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yayan Liang
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yitian Chen
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Xu Shen
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yunmao Huang
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yunbo Tian
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Xumeng Zhang
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510225, China; (F.L.); (C.Z.); (Y.L.); (S.L.); (Q.W.); (Y.H.); (Z.W.); (X.L.); (Y.L.); (Y.C.); (X.S.); (Y.H.)
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
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13
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Sharma T, Olea-Flores M, Imbalzano AN. Regulation of the Wnt signaling pathway during myogenesis by the mammalian SWI/SNF ATPase BRG1. Front Cell Dev Biol 2023; 11:1160227. [PMID: 37484913 PMCID: PMC10360407 DOI: 10.3389/fcell.2023.1160227] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 06/19/2023] [Indexed: 07/25/2023] Open
Abstract
Skeletal muscle differentiation is a tightly regulated process, and the importance of the mammalian SWI/SNF (mSWI/SNF) chromatin remodeling family for regulation of genes involved in skeletal myogenesis is well-established. Our prior work showed that bromodomains of mSWI/SNF ATPases BRG1 and BRM contribute to myogenesis by facilitating the binding of mSWI/SNF enzymes to regulatory regions of myogenic and other target genes. Here, we report that pathway analyses of differentially expressed genes from that study identified an additional role for mSWI/SNF enzymes via the regulation of the Wnt signaling pathway. The Wnt pathway has been previously shown to be important for skeletal muscle development. To investigate the importance of mSWI/SNF enzymes for the regulation of the Wnt pathway, individual and dual knockdowns were performed for BRG1 and BRM followed by RNA-sequencing. The results show that BRG1, but not BRM, is a regulator of Wnt pathway components and downstream genes. Reactivation of Wnt pathway by stabilization of β-catenin could rescue the defect in myogenic gene expression and differentiation due to BRG1 knockdown or bromodomain inhibition using a specific small molecule inhibitor, PFI-3. These results demonstrate that BRG1 is required upstream of β-catenin function. Chromatin immunoprecipitation of BRG1, BRM and β-catenin at promoters of Wnt pathway component genes showed binding of BRG1 and β-catenin, which provides further mechanistic insight to the transcriptional regulation of these genes.
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Affiliation(s)
| | | | - Anthony N. Imbalzano
- Department of Biochemistry and Molecular Biotechnology, UMass Chan Medical School, Worcester, MA, United States
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14
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Wurmser M, Madani R, Chaverot N, Backer S, Borok M, Dos Santos M, Comai G, Tajbakhsh S, Relaix F, Santolini M, Sambasivan R, Jiang R, Maire P. Overlapping functions of SIX homeoproteins during embryonic myogenesis. PLoS Genet 2023; 19:e1010781. [PMID: 37267426 DOI: 10.1371/journal.pgen.1010781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 05/10/2023] [Indexed: 06/04/2023] Open
Abstract
Four SIX homeoproteins display a combinatorial expression throughout embryonic developmental myogenesis and they modulate the expression of the myogenic regulatory factors. Here, we provide a deep characterization of their role in distinct mouse developmental territories. We showed, at the hypaxial level, that the Six1:Six4 double knockout (dKO) somitic precursor cells adopt a smooth muscle fate and lose their myogenic identity. At the epaxial level, we demonstrated by the analysis of Six quadruple KO (qKO) embryos, that SIX are required for fetal myogenesis, and for the maintenance of PAX7+ progenitor cells, which differentiated prematurely and are lost by the end of fetal development in qKO embryos. Finally, we showed that Six1 and Six2 are required to establish craniofacial myogenesis by controlling the expression of Myf5. We have thus described an unknown role for SIX proteins in the control of myogenesis at different embryonic levels and refined their involvement in the genetic cascades operating at the head level and in the genesis of myogenic stem cells.
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Affiliation(s)
- Maud Wurmser
- Université de Paris Cité, Institut Cochin, INSERM, CNRS, Paris, France
| | - Rouba Madani
- Université de Paris Cité, Institut Cochin, INSERM, CNRS, Paris, France
| | - Nathalie Chaverot
- Université de Paris Cité, Institut Cochin, INSERM, CNRS, Paris, France
| | - Stéphanie Backer
- Université de Paris Cité, Institut Cochin, INSERM, CNRS, Paris, France
| | - Matthew Borok
- Univ Paris Est Creteil, INSERM, EnvA, EFS, AP-HP, IMRB, Creteil, France
| | | | - Glenda Comai
- Stem Cells & Development, Institut Pasteur, Paris, France
- CNRS UMR 3738, Institut Pasteur, Paris, France
| | - Shahragim Tajbakhsh
- Stem Cells & Development, Institut Pasteur, Paris, France
- CNRS UMR 3738, Institut Pasteur, Paris, France
| | - Frédéric Relaix
- Univ Paris Est Creteil, INSERM, EnvA, EFS, AP-HP, IMRB, Creteil, France
| | - Marc Santolini
- Université de Paris Cité, Interaction Data Lab, CRI Paris, INSERM. Paris, France
| | - Ramkumar Sambasivan
- Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, Andhra Pradesh, India
| | - Rulang Jiang
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States of America
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
| | - Pascal Maire
- Université de Paris Cité, Institut Cochin, INSERM, CNRS, Paris, France
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15
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Luo L, Chua YJB, Liu T, Liang K, Chua MWJ, Ma W, Goh JW, Wang Y, Su J, Ho YS, Li CW, Liu KH, Teh BT, Yu K, Shyh-Chang N. Muscle Injuries Induce a Prostacyclin-PPARγ/PGC1a-FAO Spike That Boosts Regeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2301519. [PMID: 37140179 PMCID: PMC10375192 DOI: 10.1002/advs.202301519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 03/14/2023] [Indexed: 05/05/2023]
Abstract
It is well-known that muscle regeneration declines with aging, and aged muscles undergo degenerative atrophy or sarcopenia. While exercise and acute injury are both known to induce muscle regeneration, the molecular signals that help trigger muscle regeneration have remained unclear. Here, mass spectrometry imaging (MSI) is used to show that injured muscles induce a specific subset of prostanoids during regeneration, including PGG1, PGD2, and the prostacyclin PGI2. The spike in prostacyclin promotes skeletal muscle regeneration via myoblasts, and declines with aging. Mechanistically, the prostacyclin spike promotes a spike in PPARγ/PGC1a signaling, which induces a spike in fatty acid oxidation (FAO) to control myogenesis. LC-MS/MS and MSI further confirm that an early FAO spike is associated with normal regeneration, but muscle FAO became dysregulated during aging. Functional experiments demonstrate that the prostacyclin-PPARγ/PGC1a-FAO spike is necessary and sufficient to promote both young and aged muscle regeneration, and that prostacyclin can synergize with PPARγ/PGC1a-FAO signaling to restore aged muscles' regeneration and physical function. Given that the post-injury prostacyclin-PPARγ-FAO spike can be modulated pharmacologically and via post-exercise nutrition, this work has implications for how prostacyclin-PPARγ-FAO might be fine-tuned to promote regeneration and treat muscle diseases of aging.
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Affiliation(s)
- Lanfang Luo
- Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yan-Jiang Benjamin Chua
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore City, 119077, Singapore
- Genome Institute of Singapore, Institute of Molecular and Cell Biology, Agency for Science Technology and Research, Singapore City, 138672, Singapore
| | - Taoyan Liu
- Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, P. R. China
| | - Kun Liang
- Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Min-Wen Jason Chua
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore City, 119077, Singapore
- Genome Institute of Singapore, Institute of Molecular and Cell Biology, Agency for Science Technology and Research, Singapore City, 138672, Singapore
| | - Wenwu Ma
- Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jun-Wei Goh
- Genome Institute of Singapore, Institute of Molecular and Cell Biology, Agency for Science Technology and Research, Singapore City, 138672, Singapore
| | - Yuefan Wang
- Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jiali Su
- Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ying Swan Ho
- Bioprocessing Technology Institute, Agency for Science Technology and Research, Singapore City, 138668, Singapore
| | - Chun-Wei Li
- Department of Clinical Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, P. R. China
| | - Ke Hui Liu
- Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, P. R. China
| | - Bin Tean Teh
- Laboratory of Cancer Therapeutics, Program in Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore City, 169857, Singapore
- Division of Medical Science, Laboratory of Cancer Epigenome, National Cancer Centre Singapore, Singapore City, 119074, Singapore
| | - Kang Yu
- Department of Clinical Nutrition, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, P. R. China
| | - Ng Shyh-Chang
- Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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16
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Bao BW, Kang Z, Zhang Y, Li K, Xu R, Guo MY. Selenium Deficiency Leads to Reduced Skeletal Muscle Cell Differentiation by Oxidative Stress in Mice. Biol Trace Elem Res 2023; 201:1878-1887. [PMID: 35576098 DOI: 10.1007/s12011-022-03288-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 05/09/2022] [Indexed: 11/02/2022]
Abstract
Selenium (Se) is one of the essential trace elements in animal organisms with good antioxidant and immune-enhancing abilities. In this study, we investigated the effect and mechanism of Se deficiency on skeletal muscle cell differentiation. A selenium-deficient skeletal muscle model was established. The skeletal muscle tissue and blood Se content were significantly reduced in the Se deficiency group. HE staining showed that the skeletal muscle tissue had a reduced myofiber area and nuclei and an increased myofascicular membrane with Se deficiency. The TUNEL test showed massive apoptosis of skeletal muscle cells in Se deficiency. With Se deficiency, reactive oxygen species (ROS) and malondialdehyde (MDA) increased, and the activities of glutathione peroxidase (GSH-Px), total antioxidant capacity (T-AOC), superoxide dismutase (SOD), and catalase (CAT) were inhibited. In in vitro experiments, microscopic observations showed that the low-Se group had reduced C2C12 cell fusion and a reduced number of differentiated myotubes. In addition, qPCR results showed that differentiation genes (Myog, Myod, Myh2, Myh3, and Myf5) were significantly reduced in the low Se group. Meanwhile, Western blot analysis showed that the levels of differentiation proteins (Myog, Myod, and Myhc) were significantly reduced in the low-Se group. This finding indicates that Se deficiency reduces the expression of skeletal muscle cell differentiation factors. All the above data suggest that Se deficiency can lead to oxidative stress in skeletal muscle, resulting in a reduction in the differentiation capacity of muscle cells.
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Affiliation(s)
- Bo-Wen Bao
- College of Veterinary Medicine, Northeastern Agricultural University, Harbin, 150000, People's Republic of China
| | - Zibo Kang
- Animal Disease Prevention and Control Center of Heilongjiang Province, Harbin, 150000, People's Republic of China
| | - Yu Zhang
- College of Veterinary Medicine, Northeastern Agricultural University, Harbin, 150000, People's Republic of China
| | - Kan Li
- College of Veterinary Medicine, Northeastern Agricultural University, Harbin, 150000, People's Republic of China
| | - Ran Xu
- College of Veterinary Medicine, Northeastern Agricultural University, Harbin, 150000, People's Republic of China
| | - Meng-Yao Guo
- College of Veterinary Medicine, Northeastern Agricultural University, Harbin, 150000, People's Republic of China.
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17
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Tcf12 is required to sustain myogenic genes synergism with MyoD by remodelling the chromatin landscape. Commun Biol 2022; 5:1201. [DOI: 10.1038/s42003-022-04176-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 10/26/2022] [Indexed: 11/11/2022] Open
Abstract
AbstractMuscle stem cells (MuSCs) are essential for skeletal muscle development and regeneration, ensuring muscle integrity and normal function. The myogenic proliferation and differentiation of MuSCs are orchestrated by a cascade of transcription factors. In this study, we elucidate the specific role of transcription factor 12 (Tcf12) in muscle development and regeneration based on loss-of-function studies. Muscle-specific deletion of Tcf12 cause muscle weight loss owing to the reduction of myofiber size during development. Inducible deletion of Tcf12 specifically in adult MuSCs delayed muscle regeneration. The examination of MuSCs reveal that Tcf12 deletion resulted in cell-autonomous defects during myogenesis and Tcf12 is necessary for proper myogenic gene expression. Mechanistically, TCF12 and MYOD work together to stabilise chromatin conformation and sustain muscle cell fate commitment-related gene and chromatin architectural factor expressions. Altogether, our findings identify Tcf12 as a crucial regulator of MuSCs chromatin remodelling that regulates muscle cell determination and participates in skeletal muscle development and regeneration.
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18
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Salucci S, Bartoletti-Stella A, Bavelloni A, Aramini B, Blalock WL, Fabbri F, Vannini I, Sambri V, Stella F, Faenza I. Extra Virgin Olive Oil (EVOO), a Mediterranean Diet Component, in the Management of Muscle Mass and Function Preservation. Nutrients 2022; 14:nu14173567. [PMID: 36079827 PMCID: PMC9459997 DOI: 10.3390/nu14173567] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/22/2022] [Accepted: 08/26/2022] [Indexed: 12/25/2022] Open
Abstract
Aging results in a progressive decline in skeletal muscle mass, strength and function, a condition known as sarcopenia. This pathological condition is due to multifactorial processes including physical inactivity, inflammation, oxidative stress, hormonal changes, and nutritional intake. Physical therapy remains the standard approach to treat sarcopenia, although some interventions based on dietary supplementation are in clinical development. In this context, thanks to its known anti-inflammatory and antioxidative properties, there is great interest in using extra virgin olive oil (EVOO) supplementation to promote muscle mass and health in sarcopenic patients. To date, the molecular mechanisms responsible for the pathological changes associated with sarcopenia remain undefined; however, a complete understanding of the signaling pathways that regulate skeletal muscle protein synthesis and their behavior during sarcopenia appears vital for defining how EVOO might attenuate muscle wasting during aging. This review highlights the main molecular players that control skeletal muscle mass, with particular regard to sarcopenia, and discusses, based on the more recent findings, the potential of EVOO in delaying/preventing loss of muscle mass and function, with the aim of stimulating further research to assess dietary supplementation with EVOO as an approach to prevent or delay sarcopenia in aging individuals.
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Affiliation(s)
- Sara Salucci
- Cellular Signalling Laboratory, Department of Biomedical and NeuroMotor Sciences (DIBINEM), University of Bologna, 40126 Bologna, Italy
- Correspondence:
| | - Anna Bartoletti-Stella
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy
| | - Alberto Bavelloni
- Laboratory of Experimental Oncology, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Beatrice Aramini
- Division of Thoracic Surgery, Department of Experimental, Diagnostic and Specialty Medicine-DIMES of the Alma Mater Studiorum, University of Bologna, G.B. Morgagni-L. Pierantoni Hospital, 47121 Forlì, Italy
| | - William L. Blalock
- “Luigi Luca Cavalli-Sforza” Istituto di Genetica Molecolare-Consiglio Nazionale delle Ricerche (IGM-CNR), 40136 Bologna, Italy
- IRCCS, Istituto Ortopedico Rizzoli, 40136 Bologna, Italy
| | - Francesco Fabbri
- Biosciences Laboratory, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy
| | - Ivan Vannini
- Biosciences Laboratory, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy
| | - Vittorio Sambri
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy
- Unit of Microbiology, Greater Romagna Hub Laboratory, 47522 Pievesestina, Italy
| | - Franco Stella
- Division of Thoracic Surgery, Department of Experimental, Diagnostic and Specialty Medicine-DIMES of the Alma Mater Studiorum, University of Bologna, G.B. Morgagni-L. Pierantoni Hospital, 47121 Forlì, Italy
| | - Irene Faenza
- Cellular Signalling Laboratory, Department of Biomedical and NeuroMotor Sciences (DIBINEM), University of Bologna, 40126 Bologna, Italy
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19
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Divvela SSK, Offei EB, Suerland F, Revuelta García D, Kwiatkowski J, Balakrishnan-Renuka A, Bohne P, Böing M, Morosan-Puopolo G, Mark MD, Brand-Saberi B. Atonal homolog 8/Math6 regulates differentiation and maintenance of skeletal muscle. Front Cell Dev Biol 2022; 10:950414. [PMID: 36060799 PMCID: PMC9438786 DOI: 10.3389/fcell.2022.950414] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 07/06/2022] [Indexed: 12/16/2022] Open
Abstract
Atonal Homolog 8 (Atoh8) belongs to a large superfamily of transcriptional regulators called basic helix-loop-helix (bHLH) transcription factors. Atoh8 (murine homolog “Math6”) has been shown to be involved in organogenesis during murine embryonic development. We have previously identified the expression of Atoh8 during skeletal myogenesis in chicken where we described its involvement in hypaxial myotome formation suggesting a regulatory role of Atoh8 in skeletal muscle development. Within the current study, we analyzed the effect of the loss of function of Atoh8 in murine primary myoblasts and during differentiation of pluripotent stem cells into myotubes, and the effect of its gain of function in C2C12 cells. Based on the observed results, we conclude that Atoh8 regulates myoblast proliferation via modulating myostatin signaling. Further, our data revealed a reduced muscle mass, strength and fiber size with significant changes to the muscle fiber type suggesting atrophy in skeletal muscle of Atoh8 mutants. We further report that Atoh8 knockout mice suffer from a condition similar to ambient hypoxia which may be the primary cause of the phenotype. Altogether, this study shows the significance of Atoh8 not only in myogenesis but also in the maintenance of skeletal muscle.
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Affiliation(s)
| | - Eric Bekoe Offei
- Department of Anatomy and Molecular Embryology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
- University of Ghana, School of Veterinary Medicine, Legon, Ghana
| | - Florian Suerland
- Department of Anatomy and Molecular Embryology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
| | - David Revuelta García
- Department of Anatomy and Molecular Embryology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
| | - Julia Kwiatkowski
- Department of Anatomy and Molecular Embryology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
| | - Ajeesh Balakrishnan-Renuka
- Department of Anatomy and Molecular Embryology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
| | - Pauline Bohne
- Department of Behavioral Neuroscience, Faculty of Biology and Biotechnology, Ruhr-University Bochum, Bochum, Germany
| | - Marion Böing
- Department of Anatomy and Molecular Embryology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
| | - Gabriela Morosan-Puopolo
- Department of Anatomy and Molecular Embryology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
| | - Melanie D. Mark
- Department of Behavioral Neuroscience, Faculty of Biology and Biotechnology, Ruhr-University Bochum, Bochum, Germany
| | - Beate Brand-Saberi
- Department of Anatomy and Molecular Embryology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
- *Correspondence: Beate Brand-Saberi,
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20
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Vicente-García C, Hernández-Camacho JD, Carvajal JJ. Regulation of myogenic gene expression. Exp Cell Res 2022; 419:113299. [DOI: 10.1016/j.yexcr.2022.113299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 07/19/2022] [Accepted: 07/25/2022] [Indexed: 12/22/2022]
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21
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Enhanced Muscle Fibers of Epinephelus coioides by Myostatin Autologous Nucleic Acid Vaccine. Int J Mol Sci 2022; 23:ijms23136997. [PMID: 35805999 PMCID: PMC9266527 DOI: 10.3390/ijms23136997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/18/2022] [Accepted: 06/20/2022] [Indexed: 12/10/2022] Open
Abstract
Epinephelus coioides is a fish species with high economic value due to its delicious meat, high protein content, and rich fatty acid nutrition. It has become a high-economic fish in southern parts of China and some other Southeast Asian countries. In this study, the myostatin nucleic acid vaccine was constructed and used to immunize E. coioides. The results from body length and weight measurements indicated the myostatin nucleic acid vaccine promoted E. coioides growth performance by increasing muscle fiber size. The results from RT-qPCR analysis showed that myostatin nucleic acid vaccine upregulated the expression of myod, myog and p21 mRNA, downregulated the expression of smad3 and mrf4 mRNA. This preliminary study is the first report that explored the role of myostatin in E. coioides and showed positive effects of autologous nucleic acid vaccine on the muscle growth of E. coioides. Further experiments with increased numbers of animals and different doses are needed for its application to E. coiodes aquaculture production.
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22
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Optineurin promotes myogenesis during muscle regeneration in mice by autophagic degradation of GSK3β. PLoS Biol 2022; 20:e3001619. [DOI: 10.1371/journal.pbio.3001619] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 05/09/2022] [Accepted: 04/04/2022] [Indexed: 01/18/2023] Open
Abstract
Skeletal muscle regeneration is essential for maintaining muscle function in injury and muscular disease. Myogenesis plays key roles in forming new myofibers during the process. Here, through bioinformatic screen for the potential regulators of myogenesis from 5 independent microarray datasets, we identify an overlapping differentially expressed gene (DEG) optineurin (OPTN). Optn knockdown (KD) delays muscle regeneration in mice and impairs C2C12 myoblast differentiation without affecting their proliferation. Conversely, Optn overexpression (OE) promotes myoblast differentiation. Mechanistically, OPTN increases nuclear levels of β-catenin and enhances the T-cell factor/lymphoid enhancer factor (TCF/LEF) transcription activity, suggesting activation of Wnt signaling pathway. The activation is accompanied by decreased protein levels of glycogen synthase kinase 3β (GSK3β), a negative regulator of the pathway. We further show that OPTN physically interacts with and targets GSK3β for autophagic degradation. Pharmacological inhibition of GSK3β rescues the impaired myogenesis induced by Optn KD during muscle regeneration and myoblast differentiation, corroborating that GSK3β is the downstream effector of OPTN-mediated myogenesis. Together, our study delineates the novel role of OPTN as a potential regulator of myogenesis and may open innovative therapeutic perspectives for muscle regeneration.
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23
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Li L, Chen L, Chen X, Chen Y, Ding S, Fan X, Liu Y, Xu X, Zhou G, Zhu B, Ullah N, Feng X. Chitosan‑sodium alginate-collagen/gelatin three-dimensional edible scaffolds for building a structured model for cell cultured meat. Int J Biol Macromol 2022; 209:668-679. [PMID: 35413327 DOI: 10.1016/j.ijbiomac.2022.04.052] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/06/2022] [Accepted: 04/06/2022] [Indexed: 12/20/2022]
Abstract
Cell cultured meat (CCM) production is an innovative technology that does not depend on livestock farming practices to produce meat. The construction of structured CCM requires a three-dimensional (3D) scaffold to mimic the extracellular matrix to provide mechanical support for the cells. Furthermore, the 3D scaffolds should be edible and have good biocompatibility and tissue-like texture. Here, we demonstrated a 3D edible chitosan‑sodium alginate-collagen/gelatin (CS-SA-Col/Gel) scaffold that can support the adhesion and proliferation of porcine skeletal muscle satellite cells, culminating in the construction of a structured CCM model. The 3D edible scaffolds were prepared by freeze-drying using electrostatic interactions between chitosan and sodium alginate. Initially, the physicochemical properties and structural characteristics of different scaffolds were explored, and the biocompatibility of the scaffolds was evaluated using the C2C12 cell model. The results showed that the 2-CS-SA-Col1-Gel scaffold provided stable mechanical support and abundant adhesion sites for the cells. Subsequently, we inoculated porcine skeletal muscle satellite cells on the 2-CS-SA-Col1-Gel scaffold and induced differentiation for a total of 14 days. Immunofluorescence staining results showed cytoskeleton formation, and Western blotting (WB) and qPCR results showed upregulation of skeletal proteins and myogenic genes. Ultimately, the structured CCM model has similar textural properties (chewiness, springiness and resilience) and appearance to those of fresh pork. In conclusion, the method of constructing 3D edible scaffolds to prepare structured CCM models exhibits the potential to produce cell cultured meat.
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Affiliation(s)
- Linzi Li
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Lin Chen
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China.
| | - Xiaohong Chen
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Yan Chen
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Shijie Ding
- Lab of Meat Processing and Quality Control of EDU, College of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Xiaojing Fan
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Yaping Liu
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China
| | - Xinglian Xu
- Lab of Meat Processing and Quality Control of EDU, College of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Guanghong Zhou
- Lab of Meat Processing and Quality Control of EDU, College of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Beiwei Zhu
- National Engineering Research Center of Seafood, Dalian 116034, PR China
| | - Niamat Ullah
- Department of Human Nutrition, The University of Agriculture Peshawar, Khyber Pakhtunkhwa 25000, Pakistan
| | - Xianchao Feng
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi 712100, China.
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24
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Kim I, Ghosh A, Bundschuh N, Hinte L, Petrosyan E, von Meyenn F, Bar-Nur O. Integrative molecular roadmap for direct conversion of fibroblasts into myocytes and myogenic progenitor cells. SCIENCE ADVANCES 2022; 8:eabj4928. [PMID: 35385316 PMCID: PMC8986113 DOI: 10.1126/sciadv.abj4928] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 02/15/2022] [Indexed: 06/14/2023]
Abstract
Transient MyoD overexpression in concert with small molecule treatment reprograms mouse fibroblasts into induced myogenic progenitor cells (iMPCs). However, the molecular landscape and mechanisms orchestrating this cellular conversion remain unknown. Here, we undertook an integrative multiomics approach to delineate the process of iMPC reprogramming in comparison to myogenic transdifferentiation mediated solely by MyoD. Using transcriptomics, proteomics, and genome-wide chromatin accessibility assays, we unravel distinct molecular trajectories that govern the two processes. Notably, only iMPC reprogramming is characterized by gradual up-regulation of muscle stem cell markers, unique signaling pathways, and chromatin remodelers in conjunction with exclusive chromatin opening in core myogenic promoters. In addition, we determine that the Notch pathway is indispensable for iMPC formation and self-renewal and further use the Notch ligand Dll1 to homogeneously propagate iMPCs. Collectively, this study charts divergent molecular blueprints for myogenic transdifferentiation or reprogramming and underpins the heightened capacity of iMPCs for capturing myogenesis ex vivo.
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Affiliation(s)
- Inseon Kim
- Laboratory of Regenerative and Movement Biology, Department of Health Sciences and Technology, ETH Zurich, Schwerzenbach, Switzerland
| | - Adhideb Ghosh
- Laboratory of Regenerative and Movement Biology, Department of Health Sciences and Technology, ETH Zurich, Schwerzenbach, Switzerland
- Functional Genomics Center Zurich, ETH Zurich and University of Zurich, Switzerland
| | - Nicola Bundschuh
- Laboratory of Regenerative and Movement Biology, Department of Health Sciences and Technology, ETH Zurich, Schwerzenbach, Switzerland
| | - Laura Hinte
- Laboratory of Nutrition and Metabolic Epigenetics, Department of Health Sciences and Technology, ETH Zurich, Schwerzenbach, Switzerland
| | - Eduard Petrosyan
- Laboratory of Regenerative and Movement Biology, Department of Health Sciences and Technology, ETH Zurich, Schwerzenbach, Switzerland
| | - Ferdinand von Meyenn
- Laboratory of Nutrition and Metabolic Epigenetics, Department of Health Sciences and Technology, ETH Zurich, Schwerzenbach, Switzerland
| | - Ori Bar-Nur
- Laboratory of Regenerative and Movement Biology, Department of Health Sciences and Technology, ETH Zurich, Schwerzenbach, Switzerland
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25
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Vaca-Dempere M, Kumar A, Sica V, Muñoz-Cánoves P. Running skeletal muscle clocks on time- the determining factors. Exp Cell Res 2022; 413:112989. [PMID: 35081395 DOI: 10.1016/j.yexcr.2021.112989] [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: 03/29/2021] [Revised: 12/08/2021] [Accepted: 12/19/2021] [Indexed: 11/23/2022]
Abstract
Circadian rhythms generate 24 h-long oscillations, which are key regulators of many aspects of behavior and physiology. Recent circadian transcriptome studies have discovered rhythmicity at the transcriptional level of hundreds of skeletal muscle genes, with roles in skeletal muscle growth, maintenance, and metabolic functions. These rhythms allow this tissue to perform molecular functions at the appropriate time of the day in order to anticipate environmental changes. However, while the last decade of research has characterized several aspects of the skeletal muscle molecular clock, many still are unexplored, including its functions, regulatory mechanisms, and interactions with other tissues. The central clock is believed to be located in the suprachiasmatic nucleus (SCN) of the brain hypothalamus, providing entrainment to peripheral organs through humoral and neuronal signals. However, these mechanisms of action are still unknown. Conversely, muscle tissue can be entrained through extrinsic, SCN-independent factors, such as feeding and physical activity. In this review, we provide an overview of the recent research about the extrinsic and intrinsic factors required for skeletal muscle clock regulation. Furthermore, we discuss the need for future studies to elucidate the mechanisms behind this regulation, which will in turn help dissect the role of circadian disruption at the onset of aging and diseases.
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Affiliation(s)
- Mireia Vaca-Dempere
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), 08003, Barcelona, Spain
| | - Arun Kumar
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), 08003, Barcelona, Spain
| | - Valentina Sica
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), 08003, Barcelona, Spain
| | - Pura Muñoz-Cánoves
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), 08003, Barcelona, Spain; ICREA, 08010, Barcelona, Spain; Spanish National Center on Cardiovascular Research (CNIC), 28029, Madrid, Spain.
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26
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Florio F, Accordini S, Libergoli M, Biressi S. Targeting Muscle-Resident Single Cells Through in vivo Electro-Enhanced Plasmid Transfer in Healthy and Compromised Skeletal Muscle. Front Physiol 2022; 13:834705. [PMID: 35431987 PMCID: PMC9010744 DOI: 10.3389/fphys.2022.834705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 02/25/2022] [Indexed: 11/13/2022] Open
Abstract
Skeletal muscle is composed of syncytial muscle fibers, and by various mononucleated cellular types, such as muscle stem cells, immune cells, interstitial and stromal progenitors. These cell populations play a crucial role during muscle regeneration, and alterations of their phenotypic properties have been associated with defective repair and fibrosis in aging and dystrophic muscle. Studies involving in vivo gene modulation are valuable to investigate the mechanisms underlining cell function and dysfunction in complex pathophysiological settings. Electro-enhanced transfer of plasmids using square-wave generating devices represents a cost-effective approach that is widely used to transport DNA to muscle fibers efficiently. Still, it is not clear if this method can also be applied to mononuclear cells present in muscle. We demonstrate here that it is possible to efficiently deliver DNA into different muscle–resident cell populations in vivo. We evaluated the efficiency of this approach not only in healthy muscle but also in muscles of aging and dystrophic animal models. As an exemplificative application of this method, we used a strategy relying on a reporter gene-based plasmid containing regulatory sequences from the collagen 1 locus, and we determined collagen expression in various cell types reportedly involved in the production of fibrotic tissue in the dystrophic settings. The results enclosed in this manuscript reveal the suitability in applying electro-enhanced transfer of plasmid DNA to mononucleated muscle-resident cells to get insights into the molecular events governing diseased muscle physiology.
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Affiliation(s)
- Francesca Florio
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
- Dulbecco Telethon Institute at University of Trento, Trento, Italy
| | - Silvia Accordini
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
| | - Michela Libergoli
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
- Dulbecco Telethon Institute at University of Trento, Trento, Italy
| | - Stefano Biressi
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
- Dulbecco Telethon Institute at University of Trento, Trento, Italy
- *Correspondence: Stefano Biressi,
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27
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Padilha CS, Figueiredo C, Deminice R, Krüger K, Seelaender M, Rosa‐Neto JC, Lira FS. Costly immunometabolic remodelling in disused muscle buildup through physical exercise. Acta Physiol (Oxf) 2022; 234:e13782. [PMID: 34990078 DOI: 10.1111/apha.13782] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/12/2021] [Accepted: 01/01/2022] [Indexed: 11/28/2022]
Abstract
The mechanisms underlying the immunometabolic disturbances during skeletal muscle atrophy caused by a plethora of circumstances ranging from hospitalization to spaceflight missions remain unknown. Here, we outline the possible pathways that might be dysregulated in such conditions and assess the potential of physical exercise to mitigate and promote the recovery of muscle morphology, metabolism and function after intervals of disuse. Studies applying exercise to attenuate disuse-induced muscle atrophy have shown a pivotal role of circulating myokines in the activation of anabolic signalling pathways. These muscle-derived factors induce accretion of contractile proteins in the myofibers, and at the same time decrease protein breakdown and loss. Regular exercise plays a crucial role in re-establishing adequate immunometabolism and increasing the migration and presence in the muscle of macrophages with an anti-inflammatory phenotype (M2) and T regulatory cells (Tregs) after disease-induced muscle loss. Additionally, the switch in metabolic pathways (glycolysis to oxidative phosphorylation [OXPHOS]) is important for achieving rapid metabolic homeostasis during muscle regeneration. In this review, we discuss the molecular aspects of the immunometabolic response elicited by exercise during skeletal muscle regeneration. There is not, nevertheless, consensus on a single optimal intensity of exercise required to improve muscle strength, mass and functional capacity owing to the wide range of exercise protocols studied so far. Despite the absence of agreement on the specific strategy, physical exercise appears as a powerful complementary strategy to attenuate the harmful effects of muscle disuse in different scenarios.
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Affiliation(s)
- Camila S. Padilha
- Exercise and Immunometabolism Research Group Post‐graduation Program in Movement Sciences Department of Physical Education Universidade Estadual Paulista (UNESP) Presidente Prudente Brazil
| | - Caique Figueiredo
- Exercise and Immunometabolism Research Group Post‐graduation Program in Movement Sciences Department of Physical Education Universidade Estadual Paulista (UNESP) Presidente Prudente Brazil
| | - Rafael Deminice
- Laboratory of Biochemistry Exercise Department of Physical Education Faculty of Physical Education and Sport State University of Londrina Londrina Brazil
| | - Karsten Krüger
- Institute of Sports Science Department of Exercise Physiology and Sports Therapy University of Giessen Giessen Germany
| | - Marília Seelaender
- Cancer Metabolism Research Group Department of Surgery LIM26‐HC Medical School University of São Paulo São Paulo Brazil
| | - José Cesar Rosa‐Neto
- Department of Cell and Developmental Biology University of São Paulo São Paulo Brazil
| | - Fabio S. Lira
- Exercise and Immunometabolism Research Group Post‐graduation Program in Movement Sciences Department of Physical Education Universidade Estadual Paulista (UNESP) Presidente Prudente Brazil
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28
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A fast Myosin super enhancer dictates muscle fiber phenotype through competitive interactions with Myosin genes. Nat Commun 2022; 13:1039. [PMID: 35210422 PMCID: PMC8873246 DOI: 10.1038/s41467-022-28666-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 02/04/2022] [Indexed: 12/15/2022] Open
Abstract
The contractile properties of adult myofibers are shaped by their Myosin heavy chain isoform content. Here, we identify by snATAC-seq a 42 kb super-enhancer at the locus regrouping the fast Myosin genes. By 4C-seq we show that active fast Myosin promoters interact with this super-enhancer by DNA looping, leading to the activation of a single promoter per nucleus. A rainbow mouse transgenic model of the locus including the super-enhancer recapitulates the endogenous spatio-temporal expression of adult fast Myosin genes. In situ deletion of the super-enhancer by CRISPR/Cas9 editing demonstrates its major role in the control of associated fast Myosin genes, and deletion of two fast Myosin genes at the locus reveals an active competition of the promoters for the shared super-enhancer. Last, by disrupting the organization of fast Myosin, we uncover positional heterogeneity within limb skeletal muscles that may underlie selective muscle susceptibility to damage in certain myopathies. The contractile properties of adult myofibers are shaped by their Myosin heavy chain isoform content. Here the authors show that a super enhancer controls the spatiotemporal expression of the genes at the fast myosin heavy chain locus by DNA looping and that this expression profile is recapitulated in a rainbow transgenic mouse model of the locus.
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Qiu K, Wang Y, Xu D, He L, Zhang X, Yan E, Wang L, Yin J. Ryanodine receptor RyR1-mediated elevation of Ca 2+ concentration is required for the late stage of myogenic differentiation and fusion. J Anim Sci Biotechnol 2022; 13:9. [PMID: 35144690 PMCID: PMC8832842 DOI: 10.1186/s40104-021-00668-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 12/09/2021] [Indexed: 12/13/2022] Open
Abstract
Background Cytosolic Ca2+ plays vital roles in myogenesis and muscle development. As a major Ca2+ release channel of endoplasmic reticulum (ER), ryanodine receptor 1 (RyR1) key mutations are main causes of severe congenital myopathies. The role of RyR1 in myogenic differentiation has attracted intense research interest but remains unclear. Results In the present study, both RyR1-knockdown myoblasts and CRISPR/Cas9-based RyR1-knockout myoblasts were employed to explore the role of RyR1 in myogenic differentiation, myotube formation as well as the potential mechanism of RyR1-related myopathies. We observed that RyR1 expression was dramatically increased during the late stage of myogenic differentiation, accompanied by significantly elevated cytoplasmic Ca2+ concentration. Inhibition of RyR1 by siRNA-mediated knockdown or chemical inhibitor, dantrolene, significantly reduced cytosolic Ca2+ and blocked multinucleated myotube formation. The elevation of cytoplasmic Ca2+ concentration can effectively relieve myogenic differentiation stagnation by RyR1 inhibition, demonstrating that RyR1 modulates myogenic differentiation via regulation of Ca2+ release channel. However, RyR1-knockout-induced Ca2+ leakage led to the severe ER stress and excessive unfolded protein response, and drove myoblasts into apoptosis. Conclusions Therefore, we concluded that Ca2+ release mediated by dramatic increase in RyR1 expression is required for the late stage of myogenic differentiation and fusion. This study contributes to a novel understanding of the role of RyR1 in myogenic differentiation and related congenital myopathies, and provides a potential target for regulation of muscle characteristics and meat quality. Supplementary Information The online version contains supplementary material available at 10.1186/s40104-021-00668-x.
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Affiliation(s)
- Kai Qiu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.,Risk Assessment Laboratory of Feed Derived Factors to Animal Product Quality Safety of Ministry of Agriculture & Rural Affairs & National Engineering Research Center of Biological Feed, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Yubo Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Doudou Xu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Linjuan He
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Xin Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Enfa Yan
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Lu Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Jingdong Yin
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
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30
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Yan J, Yang Y, Fan X, Liang G, Wang Z, Li J, Wang L, Chen Y, Adetula AA, Tang Y, Li K, Wang D, Tang Z. circRNAome profiling reveals circFgfr2 regulates myogenesis and muscle regeneration via a feedback loop. J Cachexia Sarcopenia Muscle 2022; 13:696-712. [PMID: 34811940 PMCID: PMC8818660 DOI: 10.1002/jcsm.12859] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 10/15/2021] [Accepted: 10/19/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Circular RNAs (circRNAs) represent a novel class of non-coding RNAs formed by a covalently closed loop and play crucial roles in many biological processes. Several circRNAs associated with myogenesis have been reported. However, the dynamic expression, function, and mechanism of circRNAs during myogenesis and skeletal muscle development are largely unknown. METHODS Strand-specific RNA-sequencing (RNA-seq) and microarray datasets were used to profile the dynamic circRNAome landscape during skeletal muscle development and myogenic differentiation. Bioinformatics analyses were used to characterize the circRNAome and identify candidate circRNAs associated with myogenesis. Bulk and single-cell RNA-seq were performed to identify the downstream genes and pathways of circFgfr2. The primary myoblast cells, C2C12 cells, and animal model were used to assess the function and mechanism of circFgfr2 in myogenesis and muscle regeneration in vitro or in vivo by RT-qPCR, western blotting, dual-luciferase activity assay, RNA immunoprecipitation, RNA fluorescence in situ hybridization, and chromatin immunoprecipitation. RESULTS We profiled the dynamic circRNAome in pig skeletal muscle across 27 developmental stages and detected 52 918 high-confidence circRNAs. A total of 2916 of these circRNAs are conserved across human, mouse, and pig, including four circRNAs (circFgfr2, circQrich1, circMettl9, and circCamta1) that were differentially expressed (|log2 fold change| > 1 and adjusted P value < 0.05) in various myogenesis systems. We further focused on a conserved circRNA produced from the fibroblast growth factor receptor 2 (Fgfr2) gene, termed circFgfr2, which was found to inhibit myoblast proliferation and promote differentiation and skeletal muscle regeneration. Mechanistically, circFgfr2 acted as a sponge for miR-133 to regulate the mitogen-activated protein kinase kinase kinase 20 (Map3k20) gene and JNK/MAPK pathway. Importantly, transcription factor Kruppel like factor 4 (Klf4), the downstream target of the JNK/MAPK pathway, directly bound to the promoter of circFgfr2 and affected its expression via an miR-133/Map3k20/JNK/Klf4 auto-regulatory feedback loop. RNA binding protein G3BP stress granule assembly factor 1 (G3bp1) inhibited the biogenesis of circFgfr2. CONCLUSIONS The present study provides a comprehensive circRNA resource for skeletal muscle study. The functional and mechanistic analysis of circFgfr2 uncovered a circRNA-mediated auto-regulatory feedback loop regulating myogenesis and muscle regeneration, which provides new insight to further understand the regulatory mechanism of circRNAs.
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Affiliation(s)
- Junyu Yan
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Yalan Yang
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Xinhao Fan
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Guoming Liang
- Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Zishuai Wang
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Jiju Li
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Liyuan Wang
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Yun Chen
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Adeyinka Abiola Adetula
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Yijie Tang
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Kui Li
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Dazhi Wang
- Department of Cardiology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Zhonglin Tang
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.,Research Centre of Animal Nutritional Genomics, State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Shenzhen, China.,GuangXi Engineering Centre for Resource Development of Bama Xiang Pig, Bama, China.,Kunpeng Institute of Modern Agriculture at Foshan, Foshan, China
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31
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Esteves de Lima J, Blavet C, Bonnin MA, Hirsinger E, Havis E, Relaix F, Duprez D. TMEM8C-mediated fusion is regionalized and regulated by NOTCH signalling during foetal myogenesis. Development 2022; 149:274065. [PMID: 35005776 DOI: 10.1242/dev.199928] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 12/15/2021] [Indexed: 12/30/2022]
Abstract
The location and regulation of fusion events within skeletal muscles during development remain unknown. Using the fusion marker myomaker (Mymk), named TMEM8C in chicken, as a readout of fusion, we identified a co-segregation of TMEM8C-positive cells and MYOG-positive cells in single-cell RNA-sequencing datasets of limbs from chicken embryos. We found that TMEM8C transcripts, MYOG transcripts and the fusion-competent MYOG-positive cells were preferentially regionalized in central regions of foetal muscles. We also identified a similar regionalization for the gene encoding the NOTCH ligand JAG2 along with an absence of NOTCH activity in TMEM8C+ fusion-competent myocytes. NOTCH function in myoblast fusion had not been addressed so far. We analysed the consequences of NOTCH inhibition for TMEM8C expression and myoblast fusion during foetal myogenesis in chicken embryos. NOTCH inhibition increased myoblast fusion and TMEM8C expression and released the transcriptional repressor HEYL from the TMEM8C regulatory regions. These results identify a regionalization of TMEM8C-dependent fusion and a molecular mechanism underlying the fusion-inhibiting effect of NOTCH in foetal myogenesis. The modulation of NOTCH activity in the fusion zone could regulate the flux of fusion events.
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Affiliation(s)
- Joana Esteves de Lima
- Sorbonne Université, Institut Biologie Paris Seine, CNRS UMR7622, Developmental Biology Laboratory, Inserm U1156, F-75005 Paris, France.,Univ Paris Est Creteil, INSERM, EnvA, EFS, AP-HP, IMRB, F-94010 Creteil, France
| | - Cédrine Blavet
- Sorbonne Université, Institut Biologie Paris Seine, CNRS UMR7622, Developmental Biology Laboratory, Inserm U1156, F-75005 Paris, France
| | - Marie-Ange Bonnin
- Sorbonne Université, Institut Biologie Paris Seine, CNRS UMR7622, Developmental Biology Laboratory, Inserm U1156, F-75005 Paris, France
| | - Estelle Hirsinger
- Sorbonne Université, Institut Biologie Paris Seine, CNRS UMR7622, Developmental Biology Laboratory, Inserm U1156, F-75005 Paris, France
| | - Emmanuelle Havis
- Sorbonne Université, Institut Biologie Paris Seine, CNRS UMR7622, Developmental Biology Laboratory, Inserm U1156, F-75005 Paris, France
| | - Frédéric Relaix
- Univ Paris Est Creteil, INSERM, EnvA, EFS, AP-HP, IMRB, F-94010 Creteil, France
| | - Delphine Duprez
- Sorbonne Université, Institut Biologie Paris Seine, CNRS UMR7622, Developmental Biology Laboratory, Inserm U1156, F-75005 Paris, France
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32
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Domenig SA, Bundschuh N, Lenardič A, Ghosh A, Kim I, Qabrati X, D'Hulst G, Bar-Nur O. CRISPR/Cas9 editing of directly reprogrammed myogenic progenitors restores dystrophin expression in a mouse model of muscular dystrophy. Stem Cell Reports 2021; 17:321-336. [PMID: 34995499 PMCID: PMC8828535 DOI: 10.1016/j.stemcr.2021.12.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 01/09/2023] Open
Abstract
Genetic mutations in dystrophin manifest in Duchenne muscular dystrophy (DMD), the most commonly inherited muscle disease. Here, we report on reprogramming of fibroblasts from two DMD mouse models into induced myogenic progenitor cells (iMPCs) by MyoD overexpression in concert with small molecule treatment. DMD iMPCs proliferate extensively, while expressing myogenic stem cell markers including Pax7 and Myf5. Additionally, DMD iMPCs readily give rise to multinucleated myofibers that express mature skeletal muscle markers; however, they lack DYSTROPHIN expression. Utilizing an exon skipping-based approach with CRISPR/Cas9, we report on genetic correction of the dystrophin mutation in DMD iMPCs and restoration of protein expression in vitro. Furthermore, engraftment of corrected DMD iMPCs into the muscles of dystrophic mice restored DYSTROPHIN expression and contributed to the muscle stem cell reservoir. Collectively, our findings report on a novel in vitro cellular model for DMD and utilize it in conjunction with gene editing to restore DYSTROPHIN expression in vivo. iMPCs generated from DMD mouse models DMD iMPCs are expandable and express satellite cell and differentiation markers Correction of the dystrophin mutation in DMD iMPCs utilizing CRISPR/Cas9 Engraftment of corrected DMD iMPCs restores DYSTROPHIN expression in vivo
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Affiliation(s)
- Seraina A Domenig
- Laboratory of Regenerative and Movement Biology, Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Schwerzenbach, Switzerland
| | - Nicola Bundschuh
- Laboratory of Regenerative and Movement Biology, Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Schwerzenbach, Switzerland
| | - Ajda Lenardič
- Laboratory of Regenerative and Movement Biology, Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Schwerzenbach, Switzerland
| | - Adhideb Ghosh
- Laboratory of Regenerative and Movement Biology, Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Schwerzenbach, Switzerland; Functional Genomics Center Zurich, Swiss Federal Institute of Technology (ETH) Zurich and University of Zurich, Zurich, Switzerland
| | - Inseon Kim
- Laboratory of Regenerative and Movement Biology, Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Schwerzenbach, Switzerland
| | - Xhem Qabrati
- Laboratory of Regenerative and Movement Biology, Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Schwerzenbach, Switzerland
| | - Gommaar D'Hulst
- Laboratory of Regenerative and Movement Biology, Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Schwerzenbach, Switzerland
| | - Ori Bar-Nur
- Laboratory of Regenerative and Movement Biology, Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Schwerzenbach, Switzerland.
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33
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Liu Z, Huang S, Xu M, Zhang W, Guan T, Wang Q, Liu M, Yao J, Liu Y. The vascularization, innervation and myogenesis of early regenerated tail in Gekko japonicus. J Mol Histol 2021; 52:1189-1204. [PMID: 34676488 DOI: 10.1007/s10735-021-10032-y] [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: 02/23/2021] [Accepted: 10/16/2021] [Indexed: 10/20/2022]
Abstract
Many species of lizards are capable of tail regeneration. There has been increased interest in the study of lizard tail regeneration in recent years as it is an amenable regeneration model for amniotes. In this study, Gekko japonicus was used as a model to investigate the initiation of vascularization, innervation and myogenesis during tail regeneration. We found that angiogenesis and axon regeneration occurred almost simultaneously within 4 days post amputation. The results showed that the endothelial cells of the original vasculature proliferated and extended into the blastema as capillary vessels, which inter-connected to form a capillary network. The nerve fibers innervated the regenerated tissue from the original spinal cord and dorsal root ganglia, and the fiber bundles increased during 14 days. Regenerating muscle tissues emerged 2 weeks after amputation. PAX3 and PAX7 expression were detected during myogenesis, with PAX7 showing a continuous increase in expression from day 3 until the day 14, whereas PAX3 reached a peak level on day 10 day post amputation, and then declined quickly to level as normal control on day 14. PCNA and PAX3 double-positive satellite cells were observed in the original rostral tissues, indicating the involvement of satellite cell proliferation during tail regeneration. Taken together, these data suggest that tail regeneration in Gekko japonicus involved rapid angiogenesis from the beginning to the day 10 and followed by capillary remodeling. The innervation of regenerated tail was significant on day 4 and increased gradually during regeneration, while the regenerated muscle tissues was obvious on day 14 after amputation.
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Affiliation(s)
- Zhuang Liu
- Key Laboratory of Neuroregeneration of Jiangsu Province and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Shuai Huang
- Key Laboratory of Neuroregeneration of Jiangsu Province and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Man Xu
- Key Laboratory of Neuroregeneration of Jiangsu Province and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Wenxue Zhang
- Key Laboratory of Neuroregeneration of Jiangsu Province and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Tuchen Guan
- Key Laboratory of Neuroregeneration of Jiangsu Province and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Qinghua Wang
- Key Laboratory of Neuroregeneration of Jiangsu Province and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Mei Liu
- Key Laboratory of Neuroregeneration of Jiangsu Province and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Jian Yao
- Department of Histology and Embryology, Medical School of Nantong University, Nantong, 226001, Jiangsu Province, China.
| | - Yan Liu
- Key Laboratory of Neuroregeneration of Jiangsu Province and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu Province, China.
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Rodriguez-Outeiriño L, Hernandez-Torres F, Ramírez-de Acuña F, Matías-Valiente L, Sanchez-Fernandez C, Franco D, Aranega AE. Muscle Satellite Cell Heterogeneity: Does Embryonic Origin Matter? Front Cell Dev Biol 2021; 9:750534. [PMID: 34722534 PMCID: PMC8554119 DOI: 10.3389/fcell.2021.750534] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/27/2021] [Indexed: 12/25/2022] Open
Abstract
Muscle regeneration is an important homeostatic process of adult skeletal muscle that recapitulates many aspects of embryonic myogenesis. Satellite cells (SCs) are the main muscle stem cells responsible for skeletal muscle regeneration. SCs reside between the myofiber basal lamina and the sarcolemma of the muscle fiber in a quiescent state. However, in response to physiological stimuli or muscle trauma, activated SCs transiently re-enter the cell cycle to proliferate and subsequently exit the cell cycle to differentiate or self-renew. Recent evidence has stated that SCs display functional heterogeneity linked to regenerative capability with an undifferentiated subgroup that is more prone to self-renewal, as well as committed progenitor cells ready for myogenic differentiation. Several lineage tracing studies suggest that such SC heterogeneity could be associated with different embryonic origins. Although it has been established that SCs are derived from the central dermomyotome, how a small subpopulation of the SCs progeny maintain their stem cell identity while most progress through the myogenic program to construct myofibers is not well understood. In this review, we synthesize the works supporting the different developmental origins of SCs as the genesis of their functional heterogeneity.
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Affiliation(s)
- Lara Rodriguez-Outeiriño
- Department of Experimental Biology, Faculty of Experimental Sciences, University of Jaén, Jaén, Spain
- Medina Foundation, Technology Park of Health Sciences, Granada, Spain
| | - Francisco Hernandez-Torres
- Medina Foundation, Technology Park of Health Sciences, Granada, Spain
- Department of Biochemistry and Molecular Biology III and Immunology, Faculty of Medicine, University of Granada, Granada, Spain
| | - F. Ramírez-de Acuña
- Department of Experimental Biology, Faculty of Experimental Sciences, University of Jaén, Jaén, Spain
- Medina Foundation, Technology Park of Health Sciences, Granada, Spain
| | - Lidia Matías-Valiente
- Department of Experimental Biology, Faculty of Experimental Sciences, University of Jaén, Jaén, Spain
- Medina Foundation, Technology Park of Health Sciences, Granada, Spain
| | - Cristina Sanchez-Fernandez
- Department of Experimental Biology, Faculty of Experimental Sciences, University of Jaén, Jaén, Spain
- Medina Foundation, Technology Park of Health Sciences, Granada, Spain
| | - Diego Franco
- Department of Experimental Biology, Faculty of Experimental Sciences, University of Jaén, Jaén, Spain
- Medina Foundation, Technology Park of Health Sciences, Granada, Spain
| | - Amelia Eva Aranega
- Department of Experimental Biology, Faculty of Experimental Sciences, University of Jaén, Jaén, Spain
- Medina Foundation, Technology Park of Health Sciences, Granada, Spain
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35
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Shi DL, Grifone R. RNA-Binding Proteins in the Post-transcriptional Control of Skeletal Muscle Development, Regeneration and Disease. Front Cell Dev Biol 2021; 9:738978. [PMID: 34616743 PMCID: PMC8488162 DOI: 10.3389/fcell.2021.738978] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 08/31/2021] [Indexed: 12/21/2022] Open
Abstract
Embryonic myogenesis is a temporally and spatially regulated process that generates skeletal muscle of the trunk and limbs. During this process, mononucleated myoblasts derived from myogenic progenitor cells within the somites undergo proliferation, migration and differentiation to elongate and fuse into multinucleated functional myofibers. Skeletal muscle is the most abundant tissue of the body and has the remarkable ability to self-repair by re-activating the myogenic program in muscle stem cells, known as satellite cells. Post-transcriptional regulation of gene expression mediated by RNA-binding proteins is critically required for muscle development during embryogenesis and for muscle homeostasis in the adult. Differential subcellular localization and activity of RNA-binding proteins orchestrates target gene expression at multiple levels to regulate different steps of myogenesis. Dysfunctions of these post-transcriptional regulators impair muscle development and homeostasis, but also cause defects in motor neurons or the neuromuscular junction, resulting in muscle degeneration and neuromuscular disease. Many RNA-binding proteins, such as members of the muscle blind-like (MBNL) and CUG-BP and ETR-3-like factors (CELF) families, display both overlapping and distinct targets in muscle cells. Thus they function either cooperatively or antagonistically to coordinate myoblast proliferation and differentiation. Evidence is accumulating that the dynamic interplay of their regulatory activity may control the progression of myogenic program as well as stem cell quiescence and activation. Moreover, the role of RNA-binding proteins that regulate post-transcriptional modification in the myogenic program is far less understood as compared with transcription factors involved in myogenic specification and differentiation. Here we review past achievements and recent advances in understanding the functions of RNA-binding proteins during skeletal muscle development, regeneration and disease, with the aim to identify the fundamental questions that are still open for further investigations.
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Affiliation(s)
- De-Li Shi
- Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Developmental Biology Laboratory, CNRS-UMR 7622, Institut de Biologie de Paris-Seine, Sorbonne University, Paris, France
| | - Raphaëlle Grifone
- Developmental Biology Laboratory, CNRS-UMR 7622, Institut de Biologie de Paris-Seine, Sorbonne University, Paris, France
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36
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Becker R, Vergarajauregui S, Billing F, Sharkova M, Lippolis E, Mamchaoui K, Ferrazzi F, Engel FB. Myogenin controls via AKAP6 non-centrosomal microtubule-organizing center formation at the nuclear envelope. eLife 2021; 10:65672. [PMID: 34605406 PMCID: PMC8523159 DOI: 10.7554/elife.65672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 10/01/2021] [Indexed: 12/22/2022] Open
Abstract
Non-centrosomal microtubule-organizing centers (MTOCs) are pivotal for the function of multiple cell types, but the processes initiating their formation are unknown. Here, we find that the transcription factor myogenin is required in murine myoblasts for the localization of MTOC proteins to the nuclear envelope. Moreover, myogenin is sufficient in fibroblasts for nuclear envelope MTOC (NE-MTOC) formation and centrosome attenuation. Bioinformatics combined with loss- and gain-of-function experiments identified induction of AKAP6 expression as one central mechanism for myogenin-mediated NE-MTOC formation. Promoter studies indicate that myogenin preferentially induces the transcription of muscle- and NE-MTOC-specific isoforms of Akap6 and Syne1, which encodes nesprin-1α, the NE-MTOC anchor protein in muscle cells. Overexpression of AKAP6β and nesprin-1α was sufficient to recruit endogenous MTOC proteins to the nuclear envelope of myoblasts in the absence of myogenin. Taken together, our results illuminate how mammals transcriptionally control the switch from a centrosomal MTOC to an NE-MTOC and identify AKAP6 as a novel NE-MTOC component in muscle cells.
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Affiliation(s)
- Robert Becker
- Experimental Renal and Cardiovascular Research, Department of Nephropathology, Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Silvia Vergarajauregui
- Experimental Renal and Cardiovascular Research, Department of Nephropathology, Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Florian Billing
- Experimental Renal and Cardiovascular Research, Department of Nephropathology, Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Maria Sharkova
- Experimental Renal and Cardiovascular Research, Department of Nephropathology, Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Eleonora Lippolis
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Kamel Mamchaoui
- Sorbonne Universités UPMC Université Paris 06, INSERM U974, CNRS FRE3617, Center for Research in Myology, GH Pitié Salpêtrière, 47 Boulevard de l'Hôpital, Paris, France
| | - Fulvia Ferrazzi
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany.,Department of Nephropathology, Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.,Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Felix B Engel
- Experimental Renal and Cardiovascular Research, Department of Nephropathology, Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.,Muscle Research Center Erlangen (MURCE), Erlangen, Germany
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37
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Grimaldi A, Tajbakhsh S. Diversity in cranial muscles: Origins and developmental programs. Curr Opin Cell Biol 2021; 73:110-116. [PMID: 34500235 DOI: 10.1016/j.ceb.2021.06.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 06/24/2021] [Indexed: 01/14/2023]
Abstract
Cranial muscles have been the focus of many studies over the years because of their unique developmental programs and relative resistance to illnesses. In addition, head muscles possess clonal relationships with heart muscles and have been highly remodeled during vertebrate evolution. Here, we provide an overview of recent findings that have helped to redefine the boundaries and lineages of cranial mesoderm. These studies have important implications regarding the emergence of muscle connective tissues, which can share a common origin with skeletal muscle. We also highlight new regulatory networks of various muscle subgroups, particularly those derived from the most caudal arches, which remain poorly defined. Finally, we suggest future research avenues to characterize the nature of their intrinsic specificities and their emergence during evolution.
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Affiliation(s)
- Alexandre Grimaldi
- Stem Cells & Development Unit, 25 rue du Dr. Roux, Institut Pasteur, 75015 Paris, France; UMR CNRS 3738, Institut Pasteur, Paris, France
| | - Shahragim Tajbakhsh
- Stem Cells & Development Unit, 25 rue du Dr. Roux, Institut Pasteur, 75015 Paris, France; UMR CNRS 3738, Institut Pasteur, Paris, France.
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38
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Yagi M, Ji F, Charlton J, Cristea S, Messemer K, Horwitz N, Di Stefano B, Tsopoulidis N, Hoetker MS, Huebner AJ, Bar-Nur O, Almada AE, Yamamoto M, Patelunas A, Goldhamer DJ, Wagers AJ, Michor F, Meissner A, Sadreyev RI, Hochedlinger K. Dissecting dual roles of MyoD during lineage conversion to mature myocytes and myogenic stem cells. Genes Dev 2021; 35:1209-1228. [PMID: 34413137 PMCID: PMC8415322 DOI: 10.1101/gad.348678.121] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 08/02/2021] [Indexed: 11/24/2022]
Abstract
The generation of myotubes from fibroblasts upon forced MyoD expression is a classic example of transcription factor-induced reprogramming. We recently discovered that additional modulation of signaling pathways with small molecules facilitates reprogramming to more primitive induced myogenic progenitor cells (iMPCs). Here, we dissected the transcriptional and epigenetic dynamics of mouse fibroblasts undergoing reprogramming to either myotubes or iMPCs using a MyoD-inducible transgenic model. Induction of MyoD in fibroblasts combined with small molecules generated Pax7+ iMPCs with high similarity to primary muscle stem cells. Analysis of intermediate stages of iMPC induction revealed that extinction of the fibroblast program preceded induction of the stem cell program. Moreover, key stem cell genes gained chromatin accessibility prior to their transcriptional activation, and these regions exhibited a marked loss of DNA methylation dependent on the Tet enzymes. In contrast, myotube generation was associated with few methylation changes, incomplete and unstable reprogramming, and an insensitivity to Tet depletion. Finally, we showed that MyoD's ability to bind to unique bHLH targets was crucial for generating iMPCs but dispensable for generating myotubes. Collectively, our analyses elucidate the role of MyoD in myogenic reprogramming and derive general principles by which transcription factors and signaling pathways cooperate to rewire cell identity.
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Affiliation(s)
- Masaki Yagi
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Cancer Center and Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts 02142, USA
| | - Fei Ji
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Jocelyn Charlton
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA.,Department of Genome Regulation, Max-Planck-Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Simona Cristea
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA.,Department of Data Science, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, USA.,Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Kathleen Messemer
- Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA
| | - Naftali Horwitz
- Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA.,Joslin Diabetes Center, Boston, Massachusetts 02215, USA
| | - Bruno Di Stefano
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Cancer Center and Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts 02142, USA
| | - Nikolaos Tsopoulidis
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Cancer Center and Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts 02142, USA
| | - Michael S Hoetker
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Cancer Center and Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts 02142, USA
| | - Aaron J Huebner
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Cancer Center and Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts 02142, USA
| | - Ori Bar-Nur
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Cancer Center and Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts 02142, USA
| | - Albert E Almada
- Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA.,Joslin Diabetes Center, Boston, Massachusetts 02215, USA
| | - Masakazu Yamamoto
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, Connecticut 06269, USA
| | - Anthony Patelunas
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, Connecticut 06269, USA
| | - David J Goldhamer
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, Connecticut 06269, USA
| | - Amy J Wagers
- Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA.,Joslin Diabetes Center, Boston, Massachusetts 02215, USA
| | - Franziska Michor
- Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts 02142, USA.,Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA.,Department of Data Science, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, USA.,The Center for Cancer Evolution, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, USA.,The Ludwig Center at Harvard, Boston, Massachusetts 02115, USA.,Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02215, USA
| | - Alexander Meissner
- Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts 02142, USA.,Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts 02138, USA.,Department of Genome Regulation, Max-Planck-Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Ruslan I Sadreyev
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA
| | - Konrad Hochedlinger
- Department of Molecular Biology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Cancer Center and Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.,Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA.,Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA.,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, Massachusetts 02142, USA
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39
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Sharma T, Robinson DCL, Witwicka H, Dilworth FJ, Imbalzano AN. The Bromodomains of the mammalian SWI/SNF (mSWI/SNF) ATPases Brahma (BRM) and Brahma Related Gene 1 (BRG1) promote chromatin interaction and are critical for skeletal muscle differentiation. Nucleic Acids Res 2021; 49:8060-8077. [PMID: 34289068 PMCID: PMC8373147 DOI: 10.1093/nar/gkab617] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 06/17/2021] [Accepted: 07/08/2021] [Indexed: 12/12/2022] Open
Abstract
Skeletal muscle regeneration is mediated by myoblasts that undergo epigenomic changes to establish the gene expression program of differentiated myofibers. mSWI/SNF chromatin remodeling enzymes coordinate with lineage-determining transcription factors to establish the epigenome of differentiated myofibers. Bromodomains bind to acetylated lysines on histone N-terminal tails and other proteins. The mutually exclusive ATPases of mSWI/SNF complexes, BRG1 and BRM, contain bromodomains with undefined functional importance in skeletal muscle differentiation. Pharmacological inhibition of mSWI/SNF bromodomain function using the small molecule PFI-3 reduced differentiation in cell culture and in vivo through decreased myogenic gene expression, while increasing cell cycle-related gene expression and the number of cells remaining in the cell cycle. Comparative gene expression analysis with data from myoblasts depleted of BRG1 or BRM showed that bromodomain function was required for a subset of BRG1- and BRM-dependent gene expression. Reduced binding of BRG1 and BRM after PFI-3 treatment showed that the bromodomain is required for stable chromatin binding at target gene promoters to alter gene expression. Our findings demonstrate that mSWI/SNF ATPase bromodomains permit stable binding of the mSWI/SNF ATPases to promoters required for cell cycle exit and establishment of muscle-specific gene expression.
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Affiliation(s)
- Tapan Sharma
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Daniel C L Robinson
- Sprott Centre for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON K1H 8L6, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Hanna Witwicka
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - F Jeffrey Dilworth
- Sprott Centre for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON K1H 8L6, Canada.,Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Anthony N Imbalzano
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA
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40
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Vepkhvadze TF, Vorotnikov AV, Popov DV. Electrical Stimulation of Cultured Myotubes in vitro as a Model of Skeletal Muscle Activity: Current State and Future Prospects. BIOCHEMISTRY (MOSCOW) 2021; 86:597-610. [PMID: 33993862 DOI: 10.1134/s0006297921050084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Skeletal muscles comprise more than a third of human body mass and critically contribute to regulation of body metabolism. Chronic inactivity reduces metabolic activity and functional capacity of muscles, leading to metabolic and other disorders, reduced life quality and duration. Cellular models based on progenitor cells isolated from human muscle biopsies and then differentiated into mature fibers in vitro can be used to solve a wide range of experimental tasks. The review discusses the aspects of myogenesis dynamics and regulation, which might be important in the development of an adequate cell model. The main function of skeletal muscle is contraction; therefore, electrical stimulation is important for both successful completion of myogenesis and in vitro modeling of major processes induced in the skeletal muscle by acute or regular physical exercise. The review analyzes the drawbacks of such cellular model and possibilities for its optimization, as well as the prospects for its further application to address fundamental aspects of muscle physiology and biochemistry and explore cellular and molecular mechanisms of metabolic diseases.
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Affiliation(s)
- Tatiana F Vepkhvadze
- Institute of Biomedical Problems, Russian Academy of Sciences, Moscow, 123007, Russia
| | - Alexander V Vorotnikov
- National Medical Research Center of Cardiology, Ministry of Healthcare of the Russian Federation, Moscow, 121552, Russia
| | - Daniil V Popov
- Institute of Biomedical Problems, Russian Academy of Sciences, Moscow, 123007, Russia. .,Faculty of Fundamental Medicine, Lomonosov Moscow State University, Moscow, 119991, Russia
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41
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Roy N, Sundar S, Pillai M, Patell-Socha F, Ganesh S, Aloysius A, Rumman M, Gala H, Hughes SM, Zammit PS, Dhawan J. mRNP granule proteins Fmrp and Dcp1a differentially regulate mRNP complexes to contribute to control of muscle stem cell quiescence and activation. Skelet Muscle 2021; 11:18. [PMID: 34238354 PMCID: PMC8265057 DOI: 10.1186/s13395-021-00270-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 04/28/2021] [Indexed: 01/28/2023] Open
Abstract
Background During skeletal muscle regeneration, satellite stem cells use distinct pathways to repair damaged myofibers or to self-renew by returning to quiescence. Cellular/mitotic quiescence employs mechanisms that promote a poised or primed state, including altered RNA turnover and translational repression. Here, we investigate the role of mRNP granule proteins Fragile X Mental Retardation Protein (Fmrp) and Decapping protein 1a (Dcp1a) in muscle stem cell quiescence and differentiation. Methods Using isolated single muscle fibers from adult mice, we established differential enrichment of mRNP granule proteins including Fmrp and Dcp1a in muscle stem cells vs. myofibers. We investigated muscle tissue homeostasis in adult Fmr1-/- mice, analyzing myofiber cross-sectional area in vivo and satellite cell proliferation ex vivo. We explored the molecular mechanisms of Dcp1a and Fmrp function in quiescence, proliferation and differentiation in a C2C12 culture model. Here, we used polysome profiling, imaging and RNA/protein expression analysis to establish the abundance and assembly status of mRNP granule proteins in different cellular states, and the phenotype of knockdown cells. Results Quiescent muscle satellite cells are enriched for puncta containing the translational repressor Fmrp, but not the mRNA decay factor Dcp1a. MuSC isolated from Fmr1-/- mice exhibit defective proliferation, and mature myofibers show reduced cross-sectional area, suggesting a role for Fmrp in muscle homeostasis. Expression and organization of Fmrp and Dcp1a varies during primary MuSC activation on myofibers, with Fmrp puncta prominent in quiescence, but Dcp1a puncta appearing during activation/proliferation. This reciprocal expression of Fmrp and Dcp1a puncta is recapitulated in a C2C12 culture model of quiescence and activation: consistent with its role as a translational repressor, Fmrp is enriched in non-translating mRNP complexes abundant in quiescent myoblasts; Dcp1a puncta are lost in quiescence, suggesting stabilized and repressed transcripts. The function of each protein differs during proliferation; whereas Fmrp knockdown led to decreased proliferation and lower cyclin expression, Dcp1a knockdown led to increased cell proliferation and higher cyclin expression. However, knockdown of either Fmrp or Dcp1a led to compromised differentiation. We also observed cross-regulation of decay versus storage mRNP granules; knockdown of Fmrp enhances accumulation of Dcp1a puncta, whereas knockdown of Dcp1a leads to increased Fmrp in puncta. Conclusions Taken together, our results provide evidence that the balance of mRNA turnover versus utilization is specific for distinct cellular states. Supplementary Information The online version contains supplementary material available at 10.1186/s13395-021-00270-9.
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Affiliation(s)
- Nainita Roy
- Institute for Stem Cell Science and Regenerative Medicine, Bangalore, India
| | - Swetha Sundar
- Centre for Cellular and Molecular Biology, Hyderabad, India
| | - Malini Pillai
- Institute for Stem Cell Science and Regenerative Medicine, Bangalore, India
| | - Farah Patell-Socha
- Institute for Stem Cell Science and Regenerative Medicine, Bangalore, India
| | - Sravya Ganesh
- Institute for Stem Cell Science and Regenerative Medicine, Bangalore, India
| | - Ajoy Aloysius
- National Center for Biological Sciences, Bangalore, India
| | - Mohammed Rumman
- Institute for Stem Cell Science and Regenerative Medicine, Bangalore, India.,Manipal Academy of Higher Education, Manipal, India
| | - Hardik Gala
- Institute for Stem Cell Science and Regenerative Medicine, Bangalore, India.,Centre for Cellular and Molecular Biology, Hyderabad, India
| | - Simon M Hughes
- King's College London, Randall Centre for Cell & Molecular Biophysics, New Hunt's House, Guy's Campus, London, UK
| | - Peter S Zammit
- King's College London, Randall Centre for Cell & Molecular Biophysics, New Hunt's House, Guy's Campus, London, UK
| | - Jyotsna Dhawan
- Institute for Stem Cell Science and Regenerative Medicine, Bangalore, India. .,Centre for Cellular and Molecular Biology, Hyderabad, India.
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42
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Ruby CL, Major RJ, Hinrichsen RD. Regulation of tissue regeneration by the circadian clock. Eur J Neurosci 2021; 53:3576-3597. [PMID: 33893679 DOI: 10.1111/ejn.15244] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/31/2021] [Accepted: 04/16/2021] [Indexed: 12/12/2022]
Abstract
Circadian rhythms are regulated by a highly conserved transcriptional/translational feedback loop that maintains approximately 24-hr periodicity from cellular to organismal levels. Much research effort is being devoted to understanding how the outputs of the master clock affect peripheral oscillators, and in turn, numerous biological processes. Recent studies have revealed roles for circadian timing in the regulation of numerous cellular behaviours in support of complex tissue regeneration. One such role involves the interaction between the circadian clockwork and the cell cycle. The molecular mechanisms that control the cell cycle create a system of regulation that allows for high fidelity DNA synthesis, mitosis and apoptosis. In recent years, it has become clear that clock gene products are required for proper DNA synthesis and cell cycle progression, and conversely, elements of the cell cycle cascade feedback to influence molecular circadian timing mechanisms. It is through this crosstalk that the circadian system orchestrates stem cell proliferation, niche exit and control of the signalling pathways that govern differentiation and self-renewal. In this review, we discuss the evidence for circadian control of tissue homeostasis and repair and suggest new avenues for research.
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Affiliation(s)
- Christina L Ruby
- Department of Biology, Indiana University of Pennsylvania, Indiana, PA, USA
| | - Robert J Major
- Department of Biology, Indiana University of Pennsylvania, Indiana, PA, USA
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43
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Liu Y, Lou WPK, Fei JF. The engine initiating tissue regeneration: does a common mechanism exist during evolution? CELL REGENERATION (LONDON, ENGLAND) 2021; 10:12. [PMID: 33817749 PMCID: PMC8019671 DOI: 10.1186/s13619-020-00073-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 12/29/2020] [Indexed: 12/16/2022]
Abstract
A successful tissue regeneration is a very complex process that requires a precise coordination of many molecular, cellular and physiological events. One of the critical steps is to convert the injury signals into regeneration signals to initiate tissue regeneration. Although many efforts have been made to investigate the mechanisms triggering tissue regeneration, the fundamental questions remain unresolved. One of the major obstacles is that the injury and the initiation of regeneration are two highly coupled processes and hard to separate from one another. In this article, we review the major events occurring at the early injury/regeneration stage in a range of species, and discuss the possible common mechanisms during initiation of tissue regeneration.
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Affiliation(s)
- Yanmei Liu
- Key Laboratory of Brain, Cognition and Education Sciences, Ministry of Education; Institute for Brain Research and Rehabilitation, South China Normal University, 510631, Guangzhou, China
| | - Wilson Pak-Kin Lou
- School of Life Sciences, South China Normal University, 510631, Guangzhou, China.,Research Institute of Molecular Pathology (IMP), Vienna Biocenter (VBC), Vienna, Austria
| | - Ji-Feng Fei
- Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 510080, Guangzhou, China.
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44
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Costa TC, Du M, Nascimento KB, Galvão MC, Meneses JAM, Schultz EB, Gionbelli MP, Duarte MDS. Skeletal Muscle Development in Postnatal Beef Cattle Resulting from Maternal Protein Restriction during Mid-Gestation. Animals (Basel) 2021; 11:ani11030860. [PMID: 33803518 PMCID: PMC8003034 DOI: 10.3390/ani11030860] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/08/2021] [Accepted: 03/12/2021] [Indexed: 12/23/2022] Open
Abstract
We aimed to investigate the effects of maternal protein restriction during mid-gestation on the skeletal muscle composition of the offspring. In the restriction treatment (RES, n = 9), cows were fed a basal diet, while in the control (CON, n = 9) group cows received the same RES diet plus the protein supplement during mid-gestation (100-200d). Samples of Longissimus dorsi muscle were collected from the offspring at 30d and 450d postnatal. Muscle fiber number was found to be decreased as a result of maternal protein restriction and persisted throughout the offspring's life (p < 0.01). The collagen content was enhanced (p < 0.05) due to maternal protein restriction at 30d. MHC2X mRNA expression tended to be higher (p = 0.08) in RES 30d offspring, however, no difference (p > 0.05) was found among treatments at 450d. Taken together, our results suggest that maternal protein restriction during mid-gestation has major and persistent effects by reducing muscle fiber formation and may slightly increase collagen accumulation in the skeletal muscle of the offspring. Although maternal protein restriction may alter the muscle fiber metabolism by favoring the establishment of a predominant glycolytic metabolism, the postnatal environment may be a determinant factor that establishes the different proportion of muscle fiber types.
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Affiliation(s)
- Thais Correia Costa
- Department of Animal Science, Universidade Federal de Viçosa, Viçosa MG 3657-000, Brazil;
- Muscle Biology and Nutrigenomics Laboratory, Universidade Federal de Viçosa, Viçosa MG 3657-000, Brazil
| | - Min Du
- Department of Animal Sciences, Washington State University, Pullman, WA 99163, USA;
| | - Karolina Batista Nascimento
- Department of Animal Science, Universidade Federal de Lavras, Lavras MG 37200-900, Brazil; (K.B.N.); (M.C.G.); (J.A.M.M.); (M.P.G.)
| | - Matheus Castilho Galvão
- Department of Animal Science, Universidade Federal de Lavras, Lavras MG 37200-900, Brazil; (K.B.N.); (M.C.G.); (J.A.M.M.); (M.P.G.)
| | - Javier Andrés Moreno Meneses
- Department of Animal Science, Universidade Federal de Lavras, Lavras MG 37200-900, Brazil; (K.B.N.); (M.C.G.); (J.A.M.M.); (M.P.G.)
| | - Erica Beatriz Schultz
- Department of Animal Science, Universidade Federal Rural do Rio de Janeiro, Seropédica RJ 23897-000, Brazil;
| | - Mateus Pies Gionbelli
- Department of Animal Science, Universidade Federal de Lavras, Lavras MG 37200-900, Brazil; (K.B.N.); (M.C.G.); (J.A.M.M.); (M.P.G.)
| | - Marcio de Souza Duarte
- Department of Animal Science, Universidade Federal de Viçosa, Viçosa MG 3657-000, Brazil;
- Muscle Biology and Nutrigenomics Laboratory, Universidade Federal de Viçosa, Viçosa MG 3657-000, Brazil
- Correspondence: ; Tel.: +55-(31)-3612-4636
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45
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Che J, Xu C, Wu Y, Jia P, Han Q, Ma Y, Wang X, Zheng Y. MiR-1290 promotes myoblast differentiation and protects against myotube atrophy via Akt/p70/FoxO3 pathway regulation. Skelet Muscle 2021; 11:6. [PMID: 33722298 PMCID: PMC7958887 DOI: 10.1186/s13395-021-00262-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 02/28/2021] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Sarcopenia is a common skeletal disease related to myogenic disorders and muscle atrophy. Current clinical management has limited effectiveness. We sought to investigate the role of miR-1290 in myoblast differentiation and muscle atrophy. METHODS By transfecting miR-1290 into C2C12 cells, we investigated whether miR-1290 regulates myogenesis and myotube atrophy via AKT/P70 signaling pathway. MHC staining was performed to assess myoblast differentiation. Differentiation-related MHC, Myod, and Myog protein levels, and atrophy-related MuRF1 and atrogin-1 were explored by western blot. An LPS-induced muscle atrophy rat model was developed. RT-PCR was conducted to analyze miR-1290 serum levels in muscle atrophy patients and normal controls (NCs). RESULTS The miR-1290 transfection increased MHC-positive cells and MHC, Myod, and Myog protein levels in the miR-1290 transfection group, demonstrating that miR-1290 promoted C2C12 myoblast differentiation. Myotube diameter in the miR-1290 transfection group was higher than in the TNF-α-induced model group. Western blot analysis showed decreased MuRF1 and atrogin-1 levels in the miR-1290 transfection group compared with the model group, demonstrating that miR-1290 protected against myoblast cellular atrophy. Luciferase assay and western blot analysis showed that miR-1290 regulation was likely caused by AKT/p70/FOXO3 phosphorylation activation. In the LPS-induced muscle atrophy rat model, miR-1290 mimics ameliorated gastrocnemius muscle loss and increased muscle fiber cross-sectional area. Clinically, miR-1290 serum level was significantly decreased in muscle atrophy patients. CONCLUSIONS We found that miR-1290 enhances myoblast differentiation and inhibits myotube atrophy through Akt/p70/FoxO3 signaling in vitro and in vivo. In addition, miR-1290 may be a potential therapeutic target for sarcopenia treatment.
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Affiliation(s)
- Ji Che
- Department of Pain, Huadong Hospital, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, No. 221, West YanAn Rd, Shanghai, 200040, P.R. China
| | - Cuidi Xu
- Department of Osteoporosis and Bone Disease, Huadong Hospital, Research Section of Geriatric Metabolic Bone Disease, Shanghai Geriatric Institute, Shanghai, China
| | - Yuanyuan Wu
- Department of Pain, Huadong Hospital, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, No. 221, West YanAn Rd, Shanghai, 200040, P.R. China
| | - Peiyu Jia
- Department of Pain, Huadong Hospital, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, No. 221, West YanAn Rd, Shanghai, 200040, P.R. China
| | - Qi Han
- Department of Pain, Huadong Hospital, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, No. 221, West YanAn Rd, Shanghai, 200040, P.R. China
| | - Yantao Ma
- Department of Pain, Huadong Hospital, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, No. 221, West YanAn Rd, Shanghai, 200040, P.R. China
| | - Xiaolei Wang
- Department of Pain, Huadong Hospital, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, No. 221, West YanAn Rd, Shanghai, 200040, P.R. China.
| | - Yongjun Zheng
- Department of Pain, Huadong Hospital, Shanghai Key Laboratory of Clinical Geriatric Medicine, Fudan University, No. 221, West YanAn Rd, Shanghai, 200040, P.R. China.
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46
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Benavente-Diaz M, Comai G, Di Girolamo D, Langa F, Tajbakhsh S. Dynamics of myogenic differentiation using a novel Myogenin knock-in reporter mouse. Skelet Muscle 2021; 11:5. [PMID: 33602287 PMCID: PMC7890983 DOI: 10.1186/s13395-021-00260-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/06/2021] [Indexed: 12/14/2022] Open
Abstract
Background Myogenin is a transcription factor that is expressed during terminal myoblast differentiation in embryonic development and adult muscle regeneration. Investigation of this cell state transition has been hampered by the lack of a sensitive reporter to dynamically track cells during differentiation. Results Here, we report a knock-in mouse line expressing the tdTOMATO fluorescent protein from the endogenous Myogenin locus. Expression of tdTOMATO in MyogntdTom mice recapitulated endogenous Myogenin expression during embryonic muscle formation and adult regeneration and enabled the isolation of the MYOGENIN+ cell population. We also show that tdTOMATO fluorescence allows tracking of differentiating myoblasts in vitro and by intravital imaging in vivo. Lastly, we monitored by live imaging the cell division dynamics of differentiating myoblasts in vitro and showed that a fraction of the MYOGENIN+ population can undergo one round of cell division, albeit at a much lower frequency than MYOGENIN− myoblasts. Conclusions We expect that this reporter mouse will be a valuable resource for researchers investigating skeletal muscle biology in developmental and adult contexts. Supplementary Information The online version contains supplementary material available at 10.1186/s13395-021-00260-x.
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Affiliation(s)
- Maria Benavente-Diaz
- Stem Cells & Development Unit, Institut Pasteur, 25 rue du Dr. Roux, 75015, Paris, France.,UMR CNRS 3738, Institut Pasteur, Paris, France.,Sorbonne Universités, Complexité du Vivant, F-75005, Paris, France
| | - Glenda Comai
- Stem Cells & Development Unit, Institut Pasteur, 25 rue du Dr. Roux, 75015, Paris, France.,UMR CNRS 3738, Institut Pasteur, Paris, France
| | - Daniela Di Girolamo
- Stem Cells & Development Unit, Institut Pasteur, 25 rue du Dr. Roux, 75015, Paris, France.,UMR CNRS 3738, Institut Pasteur, Paris, France
| | - Francina Langa
- Mouse Genetics Engineering Center, Institut Pasteur, Paris, France
| | - Shahragim Tajbakhsh
- Stem Cells & Development Unit, Institut Pasteur, 25 rue du Dr. Roux, 75015, Paris, France. .,UMR CNRS 3738, Institut Pasteur, Paris, France.
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47
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Lowenstein ED, Rusanova A, Stelzer J, Hernaiz-Llorens M, Schroer AE, Epifanova E, Bladt F, Isik EG, Buchert S, Jia S, Tarabykin V, Hernandez-Miranda LR. Olig3 regulates early cerebellar development. eLife 2021; 10:64684. [PMID: 33591268 PMCID: PMC7886330 DOI: 10.7554/elife.64684] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 02/03/2021] [Indexed: 12/22/2022] Open
Abstract
The mature cerebellum controls motor skill precision and participates in other sophisticated brain functions that include learning, cognition, and speech. Different types of GABAergic and glutamatergic cerebellar neurons originate in temporal order from two progenitor niches, the ventricular zone and rhombic lip, which express the transcription factors Ptf1a and Atoh1, respectively. However, the molecular machinery required to specify the distinct neuronal types emanating from these progenitor zones is still unclear. Here, we uncover the transcription factor Olig3 as a major determinant in generating the earliest neuronal derivatives emanating from both progenitor zones in mice. In the rhombic lip, Olig3 regulates progenitor cell proliferation. In the ventricular zone, Olig3 safeguards Purkinje cell specification by curtailing the expression of Pax2, a transcription factor that suppresses the Purkinje cell differentiation program. Our work thus defines Olig3 as a key factor in early cerebellar development.
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Affiliation(s)
| | - Aleksandra Rusanova
- Institute for Cell Biology and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany.,Institute of Neuroscience, Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russian Federation
| | - Jonas Stelzer
- Institute for Cell Biology and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | | | - Adrian E Schroer
- Institute for Cell Biology and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Ekaterina Epifanova
- Institute for Cell Biology and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany.,Institute of Neuroscience, Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russian Federation
| | - Francesca Bladt
- Max-Delbrück-Centrum in the Helmholtz Association, Berlin, Germany
| | - Eser Göksu Isik
- Institute for Cell Biology and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Sven Buchert
- Max-Delbrück-Centrum in the Helmholtz Association, Berlin, Germany
| | - Shiqi Jia
- Max-Delbrück-Centrum in the Helmholtz Association, Berlin, Germany.,The First Affiliated Hospital of Jinan University, Guangzhou province, Guangzhou, China
| | - Victor Tarabykin
- Institute for Cell Biology and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany.,Institute of Neuroscience, Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russian Federation
| | - Luis R Hernandez-Miranda
- Max-Delbrück-Centrum in the Helmholtz Association, Berlin, Germany.,Institute for Cell Biology and Neurobiology, Charité Universitätsmedizin Berlin, Berlin, Germany
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48
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Yoshida H, Sato-Dahlman M, Hajeri P, Jacobsen K, Koodie L, Yanagiba C, Shanley R, Yamamoto M. Mutant myogenin promoter-controlled oncolytic adenovirus selectively kills PAX3-FOXO1-positive rhabdomyosarcoma cells. Transl Oncol 2021; 14:100997. [PMID: 33338875 PMCID: PMC7749408 DOI: 10.1016/j.tranon.2020.100997] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 12/09/2020] [Indexed: 11/20/2022] Open
Abstract
The PAX3-FOXO1 fusion gene functions as a transactivator and increases expression of many cancer-related genes. These lead to metastases and other unfavorable outcomes for alveolar rhabdomyosarcoma (ARMS) patients. In order to target ARMS with the PAX3-FOXO1 transactivator, we developed an Oncolytic Adenovirus (OAd) regulated by the myogenin (pMYOG) promoter with a mutation in the Myocyte Enhancer Factor-2 binding site (mMEF2) in this study. The expression of MYOG in the two RMS cell lines (Rh30; PAX3-FOXO1-positive, RD; PAX3-FOXO1-negative) is about 1,000 times higher than normal skeletal muscle cell (SkMC). Ad5/3-pMYOG(S)-mMEF2 (short-length pMYOG-controlled OAd with mMEF2) showed strong replication and cytocidal effect in Rh30, but to a much lesser extent in RD. Ad5/3-pMYOG(S) (pMYOG-controlled OAd with native pMYOG) showed similar effects in RD and Rh30. Neither virus killed SkMC, indicating that Ad5/3-pMYOG(S)-mMEF2 selectively replicates and kills cells with PAX3-FOXO1. Additionally, Ad5/3-pMYOG(S)-mMEF2 showed replication and spread in vitro as well as tumor growth suppression and intratumoral viral spread in vivo, selectively in Rh30 not in RD. Our findings revealed that Ad5/3-pMYOG(S)-mMEF2 shows a promise as a safe and potent therapy to improve treatment in PAX3-FOXO1-positive ARMSs.
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Affiliation(s)
- Hideki Yoshida
- Department of Surgery, University of Minnesota, Moos Tower 11-216, MMC195, 515 Delaware St SE, Minneapolis, MN 55455, United States
| | - Mizuho Sato-Dahlman
- Department of Surgery, University of Minnesota, Moos Tower 11-216, MMC195, 515 Delaware St SE, Minneapolis, MN 55455, United States; Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, United States
| | - Praveensingh Hajeri
- Department of Surgery, University of Minnesota, Moos Tower 11-216, MMC195, 515 Delaware St SE, Minneapolis, MN 55455, United States
| | - Kari Jacobsen
- Department of Surgery, University of Minnesota, Moos Tower 11-216, MMC195, 515 Delaware St SE, Minneapolis, MN 55455, United States
| | - Lisa Koodie
- Department of Surgery, University of Minnesota, Moos Tower 11-216, MMC195, 515 Delaware St SE, Minneapolis, MN 55455, United States
| | - Chikako Yanagiba
- Department of Surgery, University of Minnesota, Moos Tower 11-216, MMC195, 515 Delaware St SE, Minneapolis, MN 55455, United States
| | - Ryan Shanley
- Masonic Cancer Center, Biostatistics Core, University of Minnesota, Minneapolis, MN 55455, United States
| | - Masato Yamamoto
- Department of Surgery, University of Minnesota, Moos Tower 11-216, MMC195, 515 Delaware St SE, Minneapolis, MN 55455, United States; Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, United States; Stem Cell Institute, University of Minnesota, Minneapolis, MN 55455, United States.
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49
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Choi KH, Yoon JW, Kim M, Lee HJ, Jeong J, Ryu M, Jo C, Lee CK. Muscle stem cell isolation and in vitro culture for meat production: A methodological review. Compr Rev Food Sci Food Saf 2021; 20:429-457. [PMID: 33443788 DOI: 10.1111/1541-4337.12661] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 09/29/2020] [Accepted: 10/01/2020] [Indexed: 12/12/2022]
Abstract
Cultured muscle tissue-based protein products, also known as cultured meat, are produced through in vitro myogenesis involving muscle stem cell culture and differentiation, and mature muscle cell processing for flavor and texture. This review focuses on the in vitro myogenesis for cultured meat production. The muscle stem cell-based in vitro muscle tissue production consists of a sequential process: (1) muscle sampling for stem cell collection, (2) muscle tissue dissociation and muscle stem cell isolation, (3) primary cell culture, (4) upscaled cell culture, (5) muscle differentiation and maturation, and (6) muscle tissue harvest. Although muscle stem cell research is a well-established field, the majority of these steps remain to be underoptimized to enable the in vitro creation of edible muscle-derived meat products. The profound understanding of the process would help not only cultured meat production but also business sectors that have been seeking new biomaterials for the food industry. In this review, we discuss comprehensively and in detail each step of cutting-edge methods for cultured meat production. This would be meaningful for both academia and industry to prepare for the new era of cellular agriculture.
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Affiliation(s)
- Kwang-Hwan Choi
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, Republic of Korea
| | - Ji Won Yoon
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, Republic of Korea
| | - Minsu Kim
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, Republic of Korea
| | - Hyun Jung Lee
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, Republic of Korea
| | - Jinsol Jeong
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, Republic of Korea
| | - Minkyung Ryu
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, Republic of Korea
| | - Cheorun Jo
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, Republic of Korea.,Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang, Republic of Korea
| | - Chang-Kyu Lee
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul, Republic of Korea.,Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang, Republic of Korea
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50
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Abstract
The resident stem cell for skeletal muscle is the satellite cell. On the 50th anniversary of its discovery in 1961, we described the history of skeletal muscle research and the seminal findings made during the first 20 years in the life of the satellite cell (Scharner and Zammit 2011, doi: 10.1186/2044-5040-1-28). These studies established the satellite cell as the source of myoblasts for growth and regeneration of skeletal muscle. Now on the 60th anniversary, we highlight breakthroughs in the second phase of satellite cell research from 1980 to 2000. These include technical innovations such as isolation of primary satellite cells and viable muscle fibres complete with satellite cells in their niche, together with generation of many useful reagents including genetically modified organisms and antibodies still in use today. New methodologies were combined with description of endogenous satellite cells markers, notably Pax7. Discovery of the muscle regulatory factors Myf5, MyoD, myogenin, and MRF4 in the late 1980s revolutionized understanding of the control of both developmental and regerenative myogenesis. Emergence of genetic lineage markers facilitated identification of satellite cells in situ, and also empowered transplantation studies to examine satellite cell function. Finally, satellite cell heterogeneity and the supportive role of non-satellite cell types in muscle regeneration were described. These major advances in methodology and in understanding satellite cell biology provided further foundations for the dramatic escalation of work on muscle stem cells in the 21st century.
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Affiliation(s)
- Elise N. Engquist
- Randall Centre for Cell and Molecular Biophysics, King’s College London, Guy’s Campus, London, SE1 1UL, UK
| | - Peter S. Zammit
- Randall Centre for Cell and Molecular Biophysics, King’s College London, Guy’s Campus, London, SE1 1UL, UK
- Correspondence to: Randall Centre for Cell and Molecular Biophysics, King’s College London, Guy’s Campus, London, SE1 1UL, UK. E-mail:
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