1
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Kim MJ, Lee JM, Min K, Choi YS. Xenogeneic transplantation of mitochondria induces muscle regeneration in an in vivo rat model of dexamethasone-induced atrophy. J Muscle Res Cell Motil 2024; 45:53-68. [PMID: 36802005 DOI: 10.1007/s10974-023-09643-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 01/16/2023] [Indexed: 02/21/2023]
Abstract
Muscle atrophy significantly impairs health and quality of life; however, there is still no cure. Recently, the possibility of regeneration in muscle atrophic cells was suggested through mitochondrial transfer. Therefore, we attempted to prove the efficacy of mitochondrial transplantation in animal models. To this end, we prepared intact mitochondria from umbilical cord-derived mesenchymal stem cells maintaining their membrane potential. To examine the efficacy of mitochondrial transplantation on muscle regeneration, we measured muscle mass, cross-sectional area of muscle fiber, and changes in muscle-specific protein. In addition, changes in the signaling mechanisms related to muscle atrophy were evaluated. As a result, in mitochondrial transplantation, the muscle mass increased by 1.5-fold and the lactate concentration decreased by 2.5-fold at 1 week in dexamethasone-induced atrophic muscles. In addition, a 2.3-fold increase in the expression of desmin protein, a muscle regeneration marker, showed a significant recovery in MT 5 µg group. Importantly, the muscle-specific ubiquitin E3-ligases MAFbx and MuRF-1 were significantly decreased through AMPK-mediated Akt-FoxO signaling pathway by mitochondrial transplantation compared with the saline group, reaching a level similar to that in the control. Based on these results, mitochondrial transplantation may have therapeutic applications in the treatment of atrophic muscle disorders.
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Affiliation(s)
- Mi Jin Kim
- Department of Biotechnology, CHA University, 13488, Seongnam, Korea
| | - Ji Min Lee
- Department of Biotechnology, CHA University, 13488, Seongnam, Korea
| | - Kyunghoon Min
- Department of Rehabilitation Medicine, CHA Bundang Medical Center, CHA University School of Medicine, 13496, Seongnam, Korea
| | - Yong-Soo Choi
- Department of Biotechnology, CHA University, 13488, Seongnam, Korea.
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2
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Pietrangelo T, Cagnin S, Bondi D, Santangelo C, Marramiero L, Purcaro C, Bonadio RS, Di Filippo ES, Mancinelli R, Fulle S, Verratti V, Cheng X. Myalgic encephalomyelitis/chronic fatigue syndrome from current evidence to new diagnostic perspectives through skeletal muscle and metabolic disturbances. Acta Physiol (Oxf) 2024; 240:e14122. [PMID: 38483046 DOI: 10.1111/apha.14122] [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: 11/19/2023] [Revised: 02/01/2024] [Accepted: 02/19/2024] [Indexed: 04/17/2024]
Abstract
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a demanding medical condition for patients and society. It has raised much more public awareness after the COVID-19 pandemic since ME/CFS and long-COVID patients share many clinical symptoms such as debilitating chronic fatigue. However, unlike long COVID, the etiopathology of ME/CFS remains a mystery despite several decades' research. This review moves from pathophysiology of ME/CFS through the compelling evidence and most interesting hypotheses. It focuses on the pathophysiology of skeletal muscle by proposing the hypothesis that skeletal muscle tissue offers novel opportunities for diagnosis and treatment of this syndrome and that new evidence can help resolve the long-standing debate on terminology.
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Affiliation(s)
- Tiziana Pietrangelo
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
- IIM-Interuniversity Institute of Myology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Stefano Cagnin
- Department of Biology, University of Padua, Padova, Italy
- CIR-Myo Myology Center, University of Padua, Padova, Italy
| | - Danilo Bondi
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
- IIM-Interuniversity Institute of Myology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Carmen Santangelo
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
- IIM-Interuniversity Institute of Myology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Lorenzo Marramiero
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
- IIM-Interuniversity Institute of Myology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Cristina Purcaro
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
- IIM-Interuniversity Institute of Myology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | | | - Ester Sara Di Filippo
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
- IIM-Interuniversity Institute of Myology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Rosa Mancinelli
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
- IIM-Interuniversity Institute of Myology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Stefania Fulle
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
- IIM-Interuniversity Institute of Myology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Vittore Verratti
- Department of Psychological, Health and Territorial Sciences, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Xuanhong Cheng
- Department of Bioengineering, Lehigh University, Bethlehem, Pennsylvania, USA
- Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pennsylvania, USA
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3
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Ma N, Mourkioti F. Ex vivo two-photon imaging of whole-mount skeletal muscles to visualize stem cell behavior. STAR Protoc 2024; 5:102772. [PMID: 38085638 PMCID: PMC10733746 DOI: 10.1016/j.xpro.2023.102772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 11/02/2023] [Accepted: 11/27/2023] [Indexed: 12/24/2023] Open
Abstract
Quiescent skeletal muscle stem cells (MuSCs) are morphologically and functionally heterogeneous and exhibit different lengths of cellular extensions, which we call protrusions. Here, we present a protocol for ex vivo two-photon imaging of MuSCs in their native environment. We describe steps for muscle dissection, fixation, embedding, imaging, and analysis of datasets. This protocol allows the examination of MuSC morphology and protrusions at the single-cell level as well as stem cell numbers. For complete details on the use and execution of this protocol, please refer to Ma et al. (2022).1.
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Affiliation(s)
- Nuoying Ma
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Bioengineering Graduate Program, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Foteini Mourkioti
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Cell and Developmental Biology, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA 19104, USA; Institute of Regenerative Medicine, Musculoskeletal Regeneration Program, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA 19104, USA.
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4
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Cao X, Xue L, Yu X, Yan Y, Lu J, Luo X, Wang H, Wang J. Myogenic exosome miR-140-5p modulates skeletal muscle regeneration and injury repair by regulating muscle satellite cells. Aging (Albany NY) 2024; 16:4609-4630. [PMID: 38428405 PMCID: PMC10968704 DOI: 10.18632/aging.205617] [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: 10/16/2023] [Accepted: 01/23/2024] [Indexed: 03/03/2024]
Abstract
Muscle satellite cells (SCs) play a crucial role in the regeneration and repair of skeletal muscle injuries. Previous studies have shown that myogenic exosomes can enhance satellite cell proliferation, while the expression of miR-140-5p is significantly reduced during the repair process of mouse skeletal muscle injuries induced by BaCl2. This study aims to investigate the potential of myogenic exosomes carrying miR-140-5p inhibitors to activate SCs and influence the regeneration of injured muscles. Myogenic progenitor cell exosomes (MPC-Exo) and contained miR-140-5p mimics/inhibitors myogenic exosomes (MPC-Exo140+ and MPC-Exo140-) were employed to treat SCs and use the model. The results demonstrate that miR-140-5p regulates SC proliferation by targeting Pax7. Upon the addition of MPC-Exo and MPC-Exo140-, Pax7 expression in SCs significantly increased, leading to the transition of the cell cycle from G1 to S phase and an enhancement in cell proliferation. Furthermore, the therapeutic effect of MPC-Exo140- was validated in animal model, where the expression of muscle growth-related genes substantially increased in the gastrocnemius muscle. Our research demonstrates that MPC-Exo140- can effectively activate dormant muscle satellite cells, initiating their proliferation and differentiation processes, ultimately leading to the formation of new skeletal muscle cells and promoting skeletal muscle repair and remodeling.
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Affiliation(s)
- Xiaorui Cao
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Linli Xue
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Xiuju Yu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Yi Yan
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Jiayin Lu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Xiaomao Luo
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Haidong Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Juan Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200080, China
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5
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Azzag K, Gransee HM, Magli A, Yamashita AMS, Tungtur S, Ahlquist A, Zhan WZ, Onyebu C, Greising SM, Mantilla CB, Perlingeiro RCR. Enhanced Diaphragm Muscle Function upon Satellite Cell Transplantation in Dystrophic Mice. Int J Mol Sci 2024; 25:2503. [PMID: 38473751 PMCID: PMC10931593 DOI: 10.3390/ijms25052503] [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: 01/16/2024] [Revised: 02/11/2024] [Accepted: 02/17/2024] [Indexed: 03/14/2024] Open
Abstract
The diaphragm muscle is essential for breathing, and its dysfunctions can be fatal. Many disorders affect the diaphragm, including muscular dystrophies. Despite the clinical relevance of targeting the diaphragm, there have been few studies evaluating diaphragm function following a given experimental treatment, with most of these involving anti-inflammatory drugs or gene therapy. Cell-based therapeutic approaches have shown success promoting muscle regeneration in several mouse models of muscular dystrophy, but these have focused mainly on limb muscles. Here we show that transplantation of as few as 5000 satellite cells directly into the diaphragm results in consistent and robust myofiber engraftment in dystrophin- and fukutin-related protein-mutant dystrophic mice. Transplanted cells also seed the stem cell reservoir, as shown by the presence of donor-derived satellite cells. Force measurements showed enhanced diaphragm strength in engrafted muscles. These findings demonstrate the feasibility of cell transplantation to target the diseased diaphragm and improve its contractility.
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Affiliation(s)
- Karim Azzag
- Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (K.A.); (A.M.); (A.M.S.Y.); (S.T.); (A.A.); (C.O.)
| | - Heather M. Gransee
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN 55905, USA; (H.M.G.); (W.-Z.Z.); (C.B.M.)
| | - Alessandro Magli
- Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (K.A.); (A.M.); (A.M.S.Y.); (S.T.); (A.A.); (C.O.)
| | - Aline M. S. Yamashita
- Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (K.A.); (A.M.); (A.M.S.Y.); (S.T.); (A.A.); (C.O.)
| | - Sudheer Tungtur
- Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (K.A.); (A.M.); (A.M.S.Y.); (S.T.); (A.A.); (C.O.)
| | - Aaron Ahlquist
- Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (K.A.); (A.M.); (A.M.S.Y.); (S.T.); (A.A.); (C.O.)
| | - Wen-Zhi Zhan
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN 55905, USA; (H.M.G.); (W.-Z.Z.); (C.B.M.)
| | - Chiemelie Onyebu
- Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (K.A.); (A.M.); (A.M.S.Y.); (S.T.); (A.A.); (C.O.)
| | - Sarah M. Greising
- School of Kinesiology, University of Minnesota, Minneapolis, MN 55455, USA;
| | - Carlos B. Mantilla
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN 55905, USA; (H.M.G.); (W.-Z.Z.); (C.B.M.)
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Rita C. R. Perlingeiro
- Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, MN 55455, USA; (K.A.); (A.M.); (A.M.S.Y.); (S.T.); (A.A.); (C.O.)
- Stem Cell Institute, University of Minnesota, Minneapolis, MN 55455, USA
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6
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Guilhot C, Catenacci M, Lofaro S, Rudnicki MA. The satellite cell in skeletal muscle: A story of heterogeneity. Curr Top Dev Biol 2024; 158:15-51. [PMID: 38670703 DOI: 10.1016/bs.ctdb.2024.01.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2024]
Abstract
Skeletal muscle is a highly represented tissue in mammals and is composed of fibers that are extremely adaptable and capable of regeneration. This characteristic of muscle fibers is made possible by a cell type called satellite cells. Adjacent to the fibers, satellite cells are found in a quiescent state and located between the muscle fibers membrane and the basal lamina. These cells are required for the growth and regeneration of skeletal muscle through myogenesis. This process is known to be tightly sequenced from the activation to the differentiation/fusion of myofibers. However, for the past fifteen years, researchers have been interested in examining satellite cell heterogeneity and have identified different subpopulations displaying distinct characteristics based on localization, quiescence state, stemness capacity, cell-cycle progression or gene expression. A small subset of satellite cells appears to represent multipotent long-term self-renewing muscle stem cells (MuSC). All these distinctions led us to the hypothesis that the characteristics of myogenesis might not be linear and therefore may be more permissive based on the evidence that satellite cells are a heterogeneous population. In this review, we discuss the different subpopulations that exist within the satellite cell pool to highlight the heterogeneity and to gain further understanding of the myogenesis progress. Finally, we discuss the long term self-renewing MuSC subpopulation that is capable of dividing asymmetrically and discuss the molecular mechanisms regulating MuSC polarization during health and disease.
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Affiliation(s)
- Corentin Guilhot
- The Sprott Centre for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Marie Catenacci
- The Sprott Centre for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Stephanie Lofaro
- The Sprott Centre for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Michael A Rudnicki
- The Sprott Centre for Stem Cell Research, Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada.
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7
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Elizalde G, Munoz AZ, Almada AE. Protocol for the isolation of mouse muscle stem cells using fluorescence-activated cell sorting. STAR Protoc 2023; 4:102656. [PMID: 37874680 PMCID: PMC10618809 DOI: 10.1016/j.xpro.2023.102656] [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: 05/17/2023] [Revised: 07/27/2023] [Accepted: 09/29/2023] [Indexed: 10/26/2023] Open
Abstract
Muscle stem cells (MuSCs) are the building blocks for regenerating skeletal muscle after trauma. If we intend to maximize the therapeutic potential of MuSCs, we must further study their molecular and functional properties. Here, we present a protocol for the isolation of mouse MuSCs via a two-step enzymatic and mechanical dissociation of skeletal muscle coupled with fluorescence-activated cell sorting (FACS). FACS-isolated MuSCs can be used for various downstream applications including cell culture, cell transduction, immunofluorescence, and gene expression assays. For complete details on the use and execution of this protocol, please refer to Almada et al. (2021).1.
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Affiliation(s)
- Gabriel Elizalde
- Department of Orthopaedic Surgery, University of Southern California, Los Angeles, CA 90033, USA; Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Alma Zuniga Munoz
- Department of Orthopaedic Surgery, University of Southern California, Los Angeles, CA 90033, USA; Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Albert E Almada
- Department of Orthopaedic Surgery, University of Southern California, Los Angeles, CA 90033, USA; Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, CA 90033, USA.
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8
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Zhang H, Zhou L, Wang H, Gu W, Li Z, Sun J, Wei X, Zheng Y. Tenascin-C-EGFR activation induces functional human satellite cell proliferation and promotes wound-healing of skeletal muscles via oleanic acid. Dev Biol 2023; 504:86-97. [PMID: 37758009 DOI: 10.1016/j.ydbio.2023.09.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/26/2023] [Accepted: 09/24/2023] [Indexed: 09/29/2023]
Abstract
Human satellite cells (HuSCs) have been deemed to be the potential cure to treat muscular atrophy diseases such as Duchenne muscular dystrophy. However, the clinical trials of HuSCs were restricted to the inadequacy of donors because of that freshly isolated HuSCs quickly lost the Pax7 expression and myogenesis capacity in vivo after a few days of culture. Here we found that oleanic acid, a kind of triterpenoid endowed with diverse biological functions with treatment potential, could efficiently promote HuSCs proliferation. The HuSCs cultured in the medium supplement with oleanic acid could maintain a high expression level of Pax7 and retain the ability to differentiate into myotubes as well as facilitate muscle regeneration in injured muscles of recipient mice. We further revealed that Tenascin-C acts as the core mechanism to activate the EGFR signaling pathway followed by HuSCs proliferation. Taken together, our data provide an efficient method to expand functional HuSCs and a novel mechanism that controls HuSCs proliferation, which sheds light on the HuSCs-based therapy to treat muscle diseases.
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Affiliation(s)
- Hao Zhang
- Department of Orthopedics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Institute of Traumatology and Orthopedics, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200025, China
| | - Lin Zhou
- Department of Orthopedics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Institute of Traumatology and Orthopedics, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200025, China
| | - Huihao Wang
- Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Institute of Traumatology and Orthopedics, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200025, China
| | - Wei Gu
- Department of Orthopedics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Institute of Traumatology and Orthopedics, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200025, China
| | - Zhiqiang Li
- Department of Orthopedics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Institute of Traumatology and Orthopedics, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200025, China
| | - Jun Sun
- Department of Orthopedics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Institute of Traumatology and Orthopedics, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200025, China
| | - Xiaoen Wei
- Department of Orthopedics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Institute of Traumatology and Orthopedics, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200025, China.
| | - Yuxin Zheng
- Department of Orthopedics, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China; Institute of Traumatology and Orthopedics, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 200025, China.
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9
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Ninfali C, Siles L, Esteve-Codina A, Postigo A. The mesodermal and myogenic specification of hESCs depend on ZEB1 and are inhibited by ZEB2. Cell Rep 2023; 42:113222. [PMID: 37819755 DOI: 10.1016/j.celrep.2023.113222] [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: 03/12/2022] [Revised: 08/02/2023] [Accepted: 09/20/2023] [Indexed: 10/13/2023] Open
Abstract
Human embryonic stem cells (hESCs) can differentiate into any cell lineage. Here, we report that ZEB1 and ZEB2 promote and inhibit mesodermal-to-myogenic specification of hESCs, respectively. Knockdown and/or overexpression experiments of ZEB1, ZEB2, or PAX7 in hESCs indicate that ZEB1 is required for hESC Nodal/Activin-mediated mesodermal specification and PAX7+ human myogenic progenitor (hMuP) generation, while ZEB2 inhibits these processes. ZEB1 downregulation induces neural markers, while ZEB2 downregulation induces mesodermal/myogenic markers. Mechanistically, ZEB1 binds to and transcriptionally activates the PAX7 promoter, while ZEB2 binds to and activates the promoter of the neural OTX2 marker. Transplanting ZEB1 or ZEB2 knocked down hMuPs into the muscles of a muscular dystrophy mouse model, showing that hMuP engraftment and generation of dystrophin-positive myofibers depend on ZEB1 and are inhibited by ZEB2. The mouse model results suggest that ZEB1 expression and/or downregulating ZEB2 in hESCs may also enhance hESC regenerative capacity for human muscular dystrophy therapy.
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Affiliation(s)
- Chiara Ninfali
- Group of Gene Regulation in Stem Cells, Cell Plasticity, Differentiation, and Cancer, IDIBAPS, 08036 Barcelona, Spain
| | - Laura Siles
- Group of Gene Regulation in Stem Cells, Cell Plasticity, Differentiation, and Cancer, IDIBAPS, 08036 Barcelona, Spain
| | | | - Antonio Postigo
- Group of Gene Regulation in Stem Cells, Cell Plasticity, Differentiation, and Cancer, IDIBAPS, 08036 Barcelona, Spain; Molecular Targets Program, J.G. Brown Center, Louisville University Healthcare Campus, Louisville, KY 40202, USA; ICREA, 08010 Barcelona, Spain.
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10
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Tian X, Pan M, Zhou M, Tang Q, Chen M, Hong W, Zhao F, Liu K. Mitochondria Transplantation from Stem Cells for Mitigating Sarcopenia. Aging Dis 2023; 14:1700-1713. [PMID: 37196123 PMCID: PMC10529753 DOI: 10.14336/ad.2023.0210] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 02/10/2023] [Indexed: 05/19/2023] Open
Abstract
Sarcopenia is defined as the age-related loss of muscle mass and function that can lead to prolonged hospital stays and decreased independence. It is a significant health and financial burden for individuals, families, and society as a whole. The accumulation of damaged mitochondria in skeletal muscle contributes to the degeneration of muscles with age. Currently, the treatment of sarcopenia is limited to improving nutrition and physical activity. Studying effective methods to alleviate and treat sarcopenia to improve the quality of life and lifespan of older people is a growing area of interest in geriatric medicine. Therapies targeting mitochondria and restoring mitochondrial function are promising treatment strategies. This article provides an overview of stem cell transplantation for sarcopenia, including the mitochondrial delivery pathway and the protective role of stem cells. It also highlights recent advances in preclinical and clinical research on sarcopenia and presents a new treatment method involving stem cell-derived mitochondrial transplantation, outlining its advantages and challenges.
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Affiliation(s)
- Xiulin Tian
- Department of Nursing, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
| | - Mengxiong Pan
- Department of Neurology, First People’s Hospital of Huzhou, Huzhou, Zhejiang, China.
| | - Mengting Zhou
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Qiaomin Tang
- Department of Nursing, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
| | - Miao Chen
- Department of Neurology, Zhuji Affiliated Hospital of Shaoxing University, Zhuji, Zhejiang, China.
| | - Wenwu Hong
- Department of Neurology, Tiantai People’s Hospital of Zhejiang Province, Tiantai, Taizhou, Zhejiang, China.
| | - Fangling Zhao
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Kaiming Liu
- Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
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11
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Zheng H, Xie X, Ling H, You X, Liang S, Lin R, Qiu R, Hou H. Transdermal drug delivery via microneedles for musculoskeletal systems. J Mater Chem B 2023; 11:8327-8346. [PMID: 37539625 DOI: 10.1039/d3tb01441j] [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: 08/05/2023]
Abstract
As the population is ageing and lifestyle is changing, the prevalence of musculoskeletal (MSK) disorders is gradually increasing with each passing year, posing a serious threat to the health and quality of the public, especially the elderly. However, currently prevalent treatments for MSK disorders, mainly administered orally and by injection, are not targeted to the specific lesion, resulting in low efficacy along with a series of local and systemic adverse effects. Microneedle (MN) patches loaded with micron-sized needle array, combining the advantages of oral administration and local injection, have become a potentially novel strategy for the administration and treatment of MSK diseases. In this review, we briefly introduce the basics of MNs and focus on the main characteristics of the MSK systems and various types of MN-based transdermal drug delivery (TDD) systems. We emphasize the progress and broad applications of MN-based transdermal drug delivery (TDD) for MSK systems, including osteoporosis, nutritional rickets and some other typical types of arthritis and muscular damage, and in closing summarize the future prospects and challenges of MNs application.
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Affiliation(s)
- Haibin Zheng
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, P. R. China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong 510515, P. R. China.
| | - Xuankun Xie
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, P. R. China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong 510515, P. R. China.
| | - Haocong Ling
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, P. R. China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong 510515, P. R. China.
| | - Xintong You
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong 510515, P. R. China.
| | - Siyu Liang
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong 510515, P. R. China.
| | - Rurong Lin
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong 510515, P. R. China.
| | - Renjie Qiu
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong 510515, P. R. China.
| | - Honghao Hou
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong 510515, P. R. China.
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12
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Tavakoli S, Garcia V, Gähwiler E, Adatto I, Rangan A, Messemer KA, Kakhki SA, Yang S, Chan VS, Manning ME, Fotowat H, Zhou Y, Wagers AJ, Zon LI. Transplantation-based screen identifies inducers of muscle progenitor cell engraftment across vertebrate species. Cell Rep 2023; 42:112365. [PMID: 37018075 PMCID: PMC10548355 DOI: 10.1016/j.celrep.2023.112365] [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: 10/21/2022] [Revised: 01/06/2023] [Accepted: 03/22/2023] [Indexed: 04/06/2023] Open
Abstract
Stem cell transplantation presents a potentially curative strategy for genetic disorders of skeletal muscle, but this approach is limited by the deleterious effects of cell expansion in vitro and consequent poor engraftment efficiency. In an effort to overcome this limitation, we sought to identify molecular signals that enhance the myogenic activity of cultured muscle progenitors. Here, we report the development and application of a cross-species small-molecule screening platform employing zebrafish and mice, which enables rapid, direct evaluation of the effects of chemical compounds on the engraftment of transplanted muscle precursor cells. Using this system, we screened a library of bioactive lipids to discriminate those that could increase myogenic engraftment in vivo in zebrafish and mice. This effort identified two lipids, lysophosphatidic acid and niflumic acid, both linked to the activation of intracellular calcium-ion flux, which showed conserved, dose-dependent, and synergistic effects in promoting muscle engraftment across these vertebrate species.
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Affiliation(s)
- Sahar Tavakoli
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Vivian Garcia
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Eric Gähwiler
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Institute for Regenerative Medicine, University of Zurich, ETH Zurich, Zurich, Switzerland
| | - Isaac Adatto
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Apoorva Rangan
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA; Stanford Medicine, Stanford University, Stanford, CA 94305, USA
| | - Kathleen A Messemer
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Sara Ashrafi Kakhki
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Song Yang
- Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Victoria S Chan
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Margot E Manning
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Haleh Fotowat
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Yi Zhou
- Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Amy J Wagers
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Joslin Diabetes Center, Boston, MA 02215, USA.
| | - Leonard I Zon
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston, MA 02115, USA; Children's Hospital and Dana Farber Cancer Institute, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA.
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13
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Zhang HL, Li Z, Cheng QS, Chen X, Zhang C, Zeng T. In vitro myogenesis activation of specific muscle-derived stem cells from patients with Duchenne muscular dystrophy. Transpl Immunol 2023; 77:101796. [PMID: 36764333 DOI: 10.1016/j.trim.2023.101796] [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: 03/22/2022] [Revised: 01/12/2023] [Accepted: 01/26/2023] [Indexed: 02/11/2023]
Abstract
BACKGROUND Muscle-derived stem cells (MDSCs) contribute to the repair of injured muscles. However, the myogenicity of MDSCs generated from patients with Duchenne muscular dystrophy (DMD) relative to healthy individuals remains unclear. METHODS A human DMD model was established using the stem cells prepared from muscle derived from patients with DMD (DMD-hMDSCs). The expression of myogenic lineage-specific markers in MDSCs was examined with immunofluorescence, real-time polymerase chain reaction, and western blotting. RESULTS It was demonstrated that, compared with cells from healthy subjects, DMD-hMDSCs are primed to self-differentiate in growth-inducing medium (GM) and robustly differentiate into myotubes in differentiation-inducing medium(DM). This feature was termed "myogenesis activation," and it was speculated that it contributes to the depletion of myogenic progenitors. Furthermore, MDSCs consistently express pax7, but the time-course of this expression does not correlate with the expression of the myogenic lineage-specific markers. CONCLUSIONS The myogenesis activation in DMD-hMDSCs demonstrated in this study may provide novel mechanistic insights into DMD pathogenesis and potential therapies.
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Affiliation(s)
- Hui-Li Zhang
- Department of Neurology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China; Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou 510180, China.
| | - Ze Li
- Department of Neurology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China; Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou 510180, China
| | - Qiu-Sheng Cheng
- Department of Neurology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China; Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou 510180, China
| | - Xi Chen
- Department of Neurology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China; Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou 510180, China
| | - Cheng Zhang
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510180, China
| | - Tao Zeng
- Department of Neurology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, China; Department of Neurology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou 510180, China.
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14
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Ji S, Xiong M, Chen H, Liu Y, Zhou L, Hong Y, Wang M, Wang C, Fu X, Sun X. Cellular rejuvenation: molecular mechanisms and potential therapeutic interventions for diseases. Signal Transduct Target Ther 2023; 8:116. [PMID: 36918530 PMCID: PMC10015098 DOI: 10.1038/s41392-023-01343-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 12/16/2022] [Accepted: 01/19/2023] [Indexed: 03/16/2023] Open
Abstract
The ageing process is a systemic decline from cellular dysfunction to organ degeneration, with more predisposition to deteriorated disorders. Rejuvenation refers to giving aged cells or organisms more youthful characteristics through various techniques, such as cellular reprogramming and epigenetic regulation. The great leaps in cellular rejuvenation prove that ageing is not a one-way street, and many rejuvenative interventions have emerged to delay and even reverse the ageing process. Defining the mechanism by which roadblocks and signaling inputs influence complex ageing programs is essential for understanding and developing rejuvenative strategies. Here, we discuss the intrinsic and extrinsic factors that counteract cell rejuvenation, and the targeted cells and core mechanisms involved in this process. Then, we critically summarize the latest advances in state-of-art strategies of cellular rejuvenation. Various rejuvenation methods also provide insights for treating specific ageing-related diseases, including cellular reprogramming, the removal of senescence cells (SCs) and suppression of senescence-associated secretory phenotype (SASP), metabolic manipulation, stem cells-associated therapy, dietary restriction, immune rejuvenation and heterochronic transplantation, etc. The potential applications of rejuvenation therapy also extend to cancer treatment. Finally, we analyze in detail the therapeutic opportunities and challenges of rejuvenation technology. Deciphering rejuvenation interventions will provide further insights into anti-ageing and ageing-related disease treatment in clinical settings.
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Affiliation(s)
- Shuaifei Ji
- Research Center for Tissue Repair and Regeneration Affiliated to Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, P. R. China
| | - Mingchen Xiong
- Research Center for Tissue Repair and Regeneration Affiliated to Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, P. R. China
| | - Huating Chen
- Research Center for Tissue Repair and Regeneration Affiliated to Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, P. R. China
| | - Yiqiong Liu
- Research Center for Tissue Repair and Regeneration Affiliated to Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, P. R. China
| | - Laixian Zhou
- Research Center for Tissue Repair and Regeneration Affiliated to Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, P. R. China
| | - Yiyue Hong
- Research Center for Tissue Repair and Regeneration Affiliated to Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, P. R. China
| | - Mengyang Wang
- Research Center for Tissue Repair and Regeneration Affiliated to Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, P. R. China
| | - Chunming Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, 999078, Macau SAR, China.
| | - Xiaobing Fu
- Research Center for Tissue Repair and Regeneration Affiliated to Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, P. R. China.
| | - Xiaoyan Sun
- Research Center for Tissue Repair and Regeneration Affiliated to Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, P. R. China.
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15
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Sato M, Goto M, Yamanouchi K, Sakurai H. A new immunodeficient Duchenne muscular dystrophy rat model to evaluate engraftment after human cell transplantation. Front Physiol 2023; 14:1094359. [PMID: 37101699 PMCID: PMC10123282 DOI: 10.3389/fphys.2023.1094359] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 03/14/2023] [Indexed: 04/28/2023] Open
Abstract
Duchenne muscular dystrophy (DMD) is an X-linked fatal muscular disease, affecting one in 3,500 live male births worldwide. Currently, there is no cure for this disease, except for steroid-based treatment to attenuate disease progression. Cell transplantation therapy is a promising therapeutic approach, however, there is a lack of appropriate animal models to conduct large-scale preclinical studies using human cells, including biochemical and functional tests. Here, we established an immunodeficient DMD rat model and performed exhaustive pathological analysis and transplantation efficiency evaluation to assess its suitability to study DMD. Our DMD rat model exhibited histopathological characteristics similar to those observed in human patients with DMD. Human myoblasts demonstrated successful engraftment following transplantation into these rats. Therefore, this immunodeficient DMD rat model would be useful in preclinical studies to develop cellular transplantation therapies for DMD.
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Affiliation(s)
- Masae Sato
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Megumi Goto
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Keitaro Yamanouchi
- Department of Veterinary Physiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Hidetoshi Sakurai
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- *Correspondence: Hidetoshi Sakurai,
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16
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Mikšiūnas R, Labeit S, Bironaitė D. The Effect of Heat Shock on Myogenic Differentiation of Human Skeletal-Muscle-Derived Mesenchymal Stem/Stromal Cells. Cells 2022; 11:3209. [PMID: 36291076 PMCID: PMC9600296 DOI: 10.3390/cells11203209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 12/18/2023] Open
Abstract
Muscle injuries, degenerative diseases and other lesions negatively affect functioning of human skeletomuscular system and thus quality of life. Therefore, the investigation of molecular mechanisms, stimulating myogenic differentiation of primary skeletal-muscle-derived mesenchymal stem/stromal cells (SM-MSCs), is actual and needed. The aim of the present study was to investigate the myogenic differentiation of CD56 (neural cell adhesion molecule, NCAM)-positive and -negative SM-MSCs and their response to the non-cytotoxic heat stimulus. The SM-MSCs were isolated from the post operation muscle tissue, sorted by flow cytometer according to the CD56 biomarker and morphology, surface profile, proliferation and myogenic differentiation has been investigated. Data show that CD56(+) cells were smaller in size, better proliferated and had significantly higher levels of CD146 (MCAM) and CD318 (CDCP1) compared with the CD56(-) cells. At control level, CD56(+) cells significantly more expressed myogenic differentiation markers MYOD1 and myogenin (MYOG) and better differentiated to the myogenic direction. The non-cytotoxic heat stimulus significantly stronger stimulated expression of myogenic markers in CD56(+) than in CD56(-) cells that correlated with the multinucleated cell formation. Data show that regenerative properties of CD56(+) SM-MSCs can be stimulated by an extracellular stimulus and be used as a promising skeletal muscle regenerating tool in vivo.
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Affiliation(s)
- Rokas Mikšiūnas
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Santariskiu 5, LT-08460 Vilnius, Lithuania
| | - Siegfried Labeit
- Medical Faculty Mannheim, University of Heidelberg, 68169 Mannheim, Germany
- Myomedix GmbH, 69151 Neckargemünd, Germany
| | - Daiva Bironaitė
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Santariskiu 5, LT-08460 Vilnius, Lithuania
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17
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Zhang Z, Zhao X, Wang C, Huang Y, Han Y, Guo B. Injectable conductive micro-cryogel as a muscle stem cell carrier improves myogenic proliferation, differentiation and in situ skeletal muscle regeneration. Acta Biomater 2022; 151:197-209. [PMID: 36002125 DOI: 10.1016/j.actbio.2022.08.036] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 08/12/2022] [Accepted: 08/16/2022] [Indexed: 11/16/2022]
Abstract
Volumetric muscle loss (VML) results in the impediment of skeletal muscle function, and there were still great challenges in cell delivery approach with the minimally invasive operation to repair muscle defects. To deliver cells to the VML defects site efficiently, the injectable conductive porous nanocomposite microcryogels based on gelatin (GT) and reduced graphene oxide (rGO) were designed and prepared. The microcryogels were loaded with myoblasts to form an injectable cell delivery system and show the ability to protect cells during injection. Conductive microcryogel with 4 mg/mL rGO (GT/rGO4) enhanced C2C12 cell proliferation and myogenic differentiation during 3D culture compared with pure gelatin microcryogel. In a mice VML model, injection of microcryogel loaded with muscle-derived stem cells into the injury site significantly improved the generation of new muscle fibers and blood vessels, and anti-inflammatory properties. The results show that injectable biodegradable conductive microcryogel can be used as myoblast cell carriers with the potential to maintain cell activity and deliver cells to defective sites, thereby in situ enhancing skeletal muscle regeneration. STATEMENT OF SIGNIFICANCE: Volumetric muscle loss overwhelms the regenerative capacity of skeletal muscle, which results in severe damage to muscle tissues. In the treatment of volumetric muscle loss, conductive niche and muscle stem cells are needed to alleviate excessive scar formation and inflammation to improve muscle regeneration. Injectable gelatin/reduced graphene oxide based nanocomposite microcryogel can enhance the differentiation of seeded muscle stem cells. The improved repair of volumetric muscle loss was achieved via reducing collagen deposition and inflammation in the injected region through the microcryogel cell-delivery therapy, suggesting great potential of the injectable microcryogel as a cell carrier in soft tissue repair.
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Affiliation(s)
- Zhiyi Zhang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an 710049, China; State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Xin Zhao
- State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Chunbo Wang
- State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Ying Huang
- State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yong Han
- State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Baolin Guo
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an 710049, China; State Key Laboratory for Mechanical Behavior of Materials, and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China.
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18
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Huo F, Liu Q, Liu H. Contribution of muscle satellite cells to sarcopenia. Front Physiol 2022; 13:892749. [PMID: 36035464 PMCID: PMC9411786 DOI: 10.3389/fphys.2022.892749] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 07/21/2022] [Indexed: 11/13/2022] Open
Abstract
Sarcopenia, a disorder characterized by age-related muscle loss and reduced muscle strength, is associated with decreased individual independence and quality of life, as well as a high risk of death. Skeletal muscle houses a normally mitotically quiescent population of adult stem cells called muscle satellite cells (MuSCs) that are responsible for muscle maintenance, growth, repair, and regeneration throughout the life cycle. Patients with sarcopenia are often exhibit dysregulation of MuSCs homeostasis. In this review, we focus on the etiology, assessment, and treatment of sarcopenia. We also discuss phenotypic and regulatory mechanisms of MuSC quiescence, activation, and aging states, as well as the controversy between MuSC depletion and sarcopenia. Finally, we give a multi-dimensional treatment strategy for sarcopenia based on improving MuSC function.
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Affiliation(s)
- Fengjiao Huo
- Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qing Liu
- Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hailiang Liu
- Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization of Ministry of Education, College of Life Sciences, Shihezi University, Shihezi, China
- *Correspondence: Hailiang Liu,
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19
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Jun I, Li N, Shin J, Park J, Kim YJ, Jeon H, Choi H, Cho JG, Chan Choi B, Han HS, Song JJ. Synergistic stimulation of surface topography and biphasic electric current promotes muscle regeneration. Bioact Mater 2022; 11:118-129. [PMID: 34938917 PMCID: PMC8665271 DOI: 10.1016/j.bioactmat.2021.10.015] [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: 07/21/2021] [Revised: 09/27/2021] [Accepted: 10/14/2021] [Indexed: 12/18/2022] Open
Abstract
Developing a universal culture platform that manipulates cell fate is one of the most important tasks in the investigation of the role of the cellular microenvironment. This study focuses on the application of topographical and electrical field stimuli to human myogenic precursor cell (hMPC) cultures to assess the influences of the adherent direction, proliferation, and differentiation, and induce preconditioning-induced therapeutic benefits. First, a topographical surface of commercially available culture dishes was achieved by femtosecond laser texturing. The detachable biphasic electrical current system was then applied to the hMPCs cultured on laser-textured culture dishes. Laser-textured topographies were remarkably effective in inducing the assembly of hMPC myotubes by enhancing the orientation of adherent hMPCs compared with flat surfaces. Furthermore, electrical field stimulation through laser-textured topographies was found to promote the expression of myogenic regulatory factors compared with nonstimulated cells. As such, we successfully demonstrated that the combined stimulation of topographical and electrical cues could effectively enhance the myogenic maturation of hMPCs in a surface spatial and electrical field-dependent manner, thus providing the basis for therapeutic strategies.
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Affiliation(s)
- Indong Jun
- Environmental Safety Group, Korea Institute of Science & Technology Europe (KIST-EUROPE), Saarbrücken, 66123, Germany
| | - Na Li
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul, 02841, Republic of Korea
| | - Jaehee Shin
- Department of Medical Sciences, Graduate School of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Jaeho Park
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science & Technology (KIST), Seoul, 02792, Republic of Korea
| | - Young Jun Kim
- Environmental Safety Group, Korea Institute of Science & Technology Europe (KIST-EUROPE), Saarbrücken, 66123, Germany
| | - Hojeong Jeon
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science & Technology (KIST), Seoul, 02792, Republic of Korea
| | - Hyuk Choi
- Department of Medical Sciences, Graduate School of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Jae-Gu Cho
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul, 02841, Republic of Korea
| | - Byoung Chan Choi
- Laser Surface Texturing Group, AYECLUS, Gyeonggi-do, 14255, Republic of Korea
| | - Hyung-Seop Han
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science & Technology (KIST), Seoul, 02792, Republic of Korea
| | - Jae-Jun Song
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul, 02841, Republic of Korea
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20
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Nalbandian M, Zhao M, Kato H, Jonouchi T, Nakajima-Koyama M, Yamamoto T, Sakurai H. Single-cell RNA-seq reveals heterogeneity in hiPSC-derived muscle progenitors and E2F family as a key regulator of proliferation. Life Sci Alliance 2022; 5:5/8/e202101312. [PMID: 35459735 PMCID: PMC9034463 DOI: 10.26508/lsa.202101312] [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: 11/22/2021] [Revised: 03/28/2022] [Accepted: 03/30/2022] [Indexed: 11/25/2022] Open
Abstract
This study identified and characterized four different populations of muscle progenitor cells derived from human induced pluripotent stem cells. Human pluripotent stem cell-derived muscle progenitor cells (hiPSC-MuPCs) resemble fetal-stage muscle progenitor cells and possess in vivo regeneration capacity. However, the heterogeneity of hiPSC-MuPCs is unknown, which could impact the regenerative potential of these cells. Here, we established an hiPSC-MuPC atlas by performing single-cell RNA sequencing of hiPSC-MuPC cultures. Bioinformatic analysis revealed four cell clusters for hiPSC-MuPCs: myocytes, committed, cycling, and noncycling progenitors. Using FGFR4 as a marker for noncycling progenitors and cycling cells and CD36 as a marker for committed and myocyte cells, we found that FGFR4+ cells possess a higher regenerative capacity than CD36+ cells. We also identified the family of E2F transcription factors are key regulators of hiPSC-MuPC proliferation. Our study provides insights on the purification of hiPSC-MuPCs with higher regenerative potential and increases the understanding of the transcriptional regulation of hiPSC-MuPCs.
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Affiliation(s)
- Minas Nalbandian
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Mingming Zhao
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Hiroki Kato
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan.,Asahi Kasei Co., Ltd., Tokyo, Japan
| | - Tatsuya Jonouchi
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - May Nakajima-Koyama
- Department of Life Science Frontiers, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Takuya Yamamoto
- Department of Life Science Frontiers, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan.,Institute for the Advanced Study of Human Biology (WPI-ASHBi), Kyoto University, Kyoto, Japan.,Medical-risk Avoidance Based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto, Japan
| | - Hidetoshi Sakurai
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
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21
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Cai Z, Liu D, Yang Y, Xie W, He M, Yu D, Wu Y, Wang X, Xiao W, Li Y. The role and therapeutic potential of stem cells in skeletal muscle in sarcopenia. Stem Cell Res Ther 2022; 13:28. [PMID: 35073997 PMCID: PMC8785537 DOI: 10.1186/s13287-022-02706-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 01/05/2022] [Indexed: 01/23/2023] Open
Abstract
Sarcopenia is a common age-related skeletal muscle disorder featuring the loss of muscle mass and function. In regard to tissue repair in the human body, scientists always consider the use of stem cells. In skeletal muscle, satellite cells (SCs) are adult stem cells that maintain tissue homeostasis and repair damaged regions after injury to preserve skeletal muscle integrity. Muscle-derived stem cells (MDSCs) and SCs are the two most commonly studied stem cell populations from skeletal muscle. To date, considerable progress has been achieved in understanding the complex associations between stem cells in muscle and the occurrence and treatment of sarcopenia. In this review, we first give brief introductions to sarcopenia, SCs and MDSCs. Then, we attempt to untangle the differences and connections between these two types of stem cells and further elaborate on the interactions between sarcopenia and stem cells. Finally, our perspectives on the possible application of stem cells for the treatment of sarcopenia in future are presented. Several studies emerging in recent years have shown that changes in the number and function of stem cells can trigger sarcopenia, which in turn leads to adverse influences on stem cells because of the altered internal environment in muscle. A better understanding of the role of stem cells in muscle, especially SCs and MDSCs, in sarcopenia will facilitate the realization of novel therapy approaches based on stem cells to combat sarcopenia.
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Affiliation(s)
- Zijun Cai
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Di Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Yuntao Yang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Wenqing Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Miao He
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Dengjie Yu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Yuxiang Wu
- School of Kinesiology, Jianghan University, Wuhan, 430056, China
| | - Xiuhua Wang
- Xiang Ya Nursing School, Central South University, Changsha, 410008, Hunan, China
| | - Wenfeng Xiao
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
| | - Yusheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
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22
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Singh S, Singh T, Kunja C, Dhoat NS, Dhania NK. Gene-editing, immunological and iPSCs based therapeutics for muscular dystrophy. Eur J Pharmacol 2021; 912:174568. [PMID: 34656607 DOI: 10.1016/j.ejphar.2021.174568] [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: 06/24/2021] [Revised: 09/25/2021] [Accepted: 10/11/2021] [Indexed: 10/20/2022]
Abstract
Muscular dystrophy is a well-known genetically heterogeneous group of rare muscle disorders. This progressive disease causes the breakdown of skeletal muscles over time and leads to grave weakness. This breakdown is caused by a diverse pattern of mutations in dystrophin and dystrophin associated protein complex. These mutations lead to the production of altered proteins in response to which, the body stimulates production of various cytokines and immune cells, particularly reactive oxygen species and NFκB. Immune cells display/exhibit a dual role by inducing muscle damage and muscle repair. Various anti-oxidants, anti-inflammatory and glucocorticoid drugs serve as potent therapeutics for muscular dystrophy. Along with the above mentioned therapeutics, induced pluripotent stem cells also serve as a novel approach paving a way for personalized treatment. These pluripotent stem cells allow regeneration of large numbers of regenerative myogenic progenitors that can be administered in muscular dystrophy patients which assist in the recovery of lost muscle fibers. In this review, we have summarized gene-editing, immunological and induced pluripotent stem cell based therapeutics for muscular dystrophy treatment.
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Affiliation(s)
- Shagun Singh
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Tejpal Singh
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Chaitanya Kunja
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Navdeep S Dhoat
- Department of Pediatrics Surgery, All India Institute of Medical Sciences, Bathinda, 151001, Punjab, India
| | - Narender K Dhania
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India.
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23
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Yan L, Rodríguez-delaRosa A, Pourquié O. Human muscle production in vitro from pluripotent stem cells: Basic and clinical applications. Semin Cell Dev Biol 2021; 119:39-48. [PMID: 33941447 PMCID: PMC8530835 DOI: 10.1016/j.semcdb.2021.04.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 04/19/2021] [Indexed: 10/21/2022]
Abstract
Human pluripotent stem cells (PSCs), which have the capacity to self-renew and differentiate into multiple cell types, offer tremendous therapeutic potential and invaluable flexibility as research tools. Recently, remarkable progress has been made in directing myogenic differentiation of human PSCs. The differentiation strategies, which were inspired by our knowledge of myogenesis in vivo, have provided an important platform for the study of human muscle development and modeling of muscular diseases, as well as a promising source of cells for cell therapy to treat muscular dystrophies. In this review, we summarize the current state of skeletal muscle generation from human PSCs, including transgene-based and transgene-free differentiation protocols, and 3D muscle tissue production through bioengineering approaches. We also highlight their basic and clinical applications, which facilitate the study of human muscle biology and deliver new hope for muscular disease treatment.
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Affiliation(s)
- Lu Yan
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA; Department of Genetics, Harvard Medical School, Boston, MA, USA; Harvard Stem Cell Institute, Boston, MA, USA
| | - Alejandra Rodríguez-delaRosa
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA; Department of Genetics, Harvard Medical School, Boston, MA, USA; Harvard Stem Cell Institute, Boston, MA, USA
| | - Olivier Pourquié
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA; Department of Genetics, Harvard Medical School, Boston, MA, USA; Harvard Stem Cell Institute, Boston, MA, USA.
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24
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Fu C, Huang AH, Galatz LM, Han WM. Cellular and molecular modulation of rotator cuff muscle pathophysiology. J Orthop Res 2021; 39:2310-2322. [PMID: 34553789 DOI: 10.1002/jor.25179] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/04/2021] [Accepted: 09/07/2021] [Indexed: 02/04/2023]
Abstract
Rotator cuff (RC) tendon tears are common shoulder injuries that result in irreversible and persistent degeneration of the associated muscles, which is characterized by severe inflammation, atrophy, fibrosis, and fatty infiltration. Although RC muscle degeneration strongly dictates the overall clinical outcomes, strategies to stimulate RC muscle regeneration have largely been overlooked to date. In this review, we highlight the current understanding of the cellular processes that coordinate muscle regeneration, and the roles of muscle resident cells, including immune cells, fibroadipogenic progenitors, and muscle satellite cells in the pathophysiologic regulation of RC muscles following injury. This review also provides perspectives for potential therapies to alleviate the hallmarks of RC muscle degeneration to address current limitations in postsurgical recovery.
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Affiliation(s)
- Chengcheng Fu
- Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Alice H Huang
- Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York City, New York, USA.,Department of Orthopedic Surgery, Columbia University, New York City, New York, USA
| | - Leesa M Galatz
- Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Woojin M Han
- Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York City, New York, USA.,Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
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25
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Brennan MÁ, Monahan DS, Brulin B, Gallinetti S, Humbert P, Tringides C, Canal C, Ginebra MP, Layrolle P. Biomimetic versus sintered macroporous calcium phosphate scaffolds enhanced bone regeneration and human mesenchymal stromal cell engraftment in calvarial defects. Acta Biomater 2021; 135:689-704. [PMID: 34520883 DOI: 10.1016/j.actbio.2021.09.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 09/01/2021] [Accepted: 09/06/2021] [Indexed: 01/08/2023]
Abstract
In contrast to sintered calcium phosphates (CaPs) commonly employed as scaffolds to deliver mesenchymal stromal cells (MSCs) targeting bone repair, low temperature setting conditions of calcium deficient hydroxyapatite (CDHA) yield biomimetic topology with high specific surface area. In this study, the healing capacity of CDHA administering MSCs to bone defects is evaluated for the first time and compared with sintered beta-tricalcium phosphate (β-TCP) constructs sharing the same interconnected macroporosity. Xeno-free expanded human bone marrow MSCs attached to the surface of the hydrophobic β-TCP constructs, while infiltrating the pores of the hydrophilic CDHA. Implantation of MSCs on CaPs for 8 weeks in calvaria defects of nude mice exhibited complete healing, with bone formation aligned along the periphery of β-TCP, and conversely distributed within the pores of CDHA. Human monocyte-osteoclast differentiation was inhibited in vitro by direct culture on CDHA compared to β-TCP biomaterials and indirectly by administration of MSC-conditioned media generated on CDHA, while MSCs increased osteoclastogenesis in both CaPs in vivo. MSC engraftment was significantly higher in CDHA constructs, and also correlated positively with bone in-growth in scaffolds. These findings demonstrate that biomimetic CDHA are favorable carriers for MSC therapies and should be explored further towards clinical bone regeneration strategies. STATEMENT OF SIGNIFICANCE: Delivery of mesenchymal stromal cells (MSCs) on calcium phosphate (CaP) biomaterials enhances reconstruction of bone defects. Traditional CaPs are produced at high temperature, but calcium deficient hydroxyapatite (CDHA) prepared at room temperature yields a surface structure more similar to native bone mineral. The objective of this study was to compare the capacity of biomimetic CDHA scaffolds with sintered β-TCP scaffolds for bone repair mediated by MSCs for the first time. In vitro, greater cell infiltration occurred in CDHA scaffolds and following 8 weeks in vivo, MSC engraftment was higher in CDHA compared to β-TCP, as was bone in-growth. These findings demonstrate the impact of material features such as surface structure, and highlight that CDHA should be explored towards clinical bone regeneration strategies.
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Affiliation(s)
- Meadhbh Á Brennan
- INSERM, UMR 1238, PHY-OS, Faculty of Medicine, University of Nantes, 1 Rue Gaston Veil, Nantes 44035, France; Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Biomedical Engineering, School of Engineering; and Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland (NUIG), Galway, Ireland
| | - David S Monahan
- Biomedical Engineering, School of Engineering; and Regenerative Medicine Institute (REMEDI), School of Medicine, National University of Ireland (NUIG), Galway, Ireland
| | - Bénédicte Brulin
- INSERM, UMR 1238, PHY-OS, Faculty of Medicine, University of Nantes, 1 Rue Gaston Veil, Nantes 44035, France; INSERM, UMR 1214, ToNIC, CHU Purpan, Université Paul Sabatier, Toulouse 31024, France
| | - Sara Gallinetti
- Biomaterials, Biomechanics and Tissue Engineering Group, Dpt. Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany 10-14, Barcelona 08019, Spain; Research Centre in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain
| | - Paul Humbert
- INSERM, UMR 1238, PHY-OS, Faculty of Medicine, University of Nantes, 1 Rue Gaston Veil, Nantes 44035, France
| | - Christina Tringides
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Harvard Program in Biophysics, Harvard University, Cambridge, MA 02138, USA
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Dpt. Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany 10-14, Barcelona 08019, Spain; Research Centre in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain
| | - Maria Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Dpt. Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany 10-14, Barcelona 08019, Spain; Research Centre in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain; Institute of Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology, Baldiri i Reixach 10-12, Barcelona 08028, Spain
| | - Pierre Layrolle
- INSERM, UMR 1238, PHY-OS, Faculty of Medicine, University of Nantes, 1 Rue Gaston Veil, Nantes 44035, France; INSERM, UMR 1214, ToNIC, CHU Purpan, Université Paul Sabatier, Toulouse 31024, France.
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26
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Scala P, Rehak L, Giudice V, Ciaglia E, Puca AA, Selleri C, Della Porta G, Maffulli N. Stem Cell and Macrophage Roles in Skeletal Muscle Regenerative Medicine. Int J Mol Sci 2021; 22:10867. [PMID: 34639203 PMCID: PMC8509639 DOI: 10.3390/ijms221910867] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/04/2021] [Accepted: 10/06/2021] [Indexed: 12/23/2022] Open
Abstract
In severe muscle injury, skeletal muscle tissue structure and functionality can be repaired through the involvement of several cell types, such as muscle stem cells, and innate immune responses. However, the exact mechanisms behind muscle tissue regeneration, homeostasis, and plasticity are still under investigation, and the discovery of pathways and cell types involved in muscle repair can open the way for novel therapeutic approaches, such as cell-based therapies involving stem cells and peripheral blood mononucleate cells. Indeed, peripheral cell infusions are a new therapy for muscle healing, likely because autologous peripheral blood infusion at the site of injury might enhance innate immune responses, especially those driven by macrophages. In this review, we summarize current knowledge on functions of stem cells and macrophages in skeletal muscle repairs and their roles as components of a promising cell-based therapies for muscle repair and regeneration.
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Affiliation(s)
- Pasqualina Scala
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy; (P.S.); (V.G.); (E.C.); (A.A.P.); (C.S.); (N.M.)
| | - Laura Rehak
- Athena Biomedical innovations, Viale Europa 139, 50126 Florence, Italy;
| | - Valentina Giudice
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy; (P.S.); (V.G.); (E.C.); (A.A.P.); (C.S.); (N.M.)
- Hematology and Transplant Center, University Hospital “San Giovanni di Dio e Ruggi D’Aragona”, Largo Città d’Ippocrate 1, 84131 Salerno, Italy
- Clinical Pharmacology, University Hospital “San Giovanni di Dio e Ruggi D’Aragona”, Largo Città d’Ippocrate 1, 84131 Salerno, Italy
| | - Elena Ciaglia
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy; (P.S.); (V.G.); (E.C.); (A.A.P.); (C.S.); (N.M.)
| | - Annibale Alessandro Puca
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy; (P.S.); (V.G.); (E.C.); (A.A.P.); (C.S.); (N.M.)
- Cardiovascular Research Unit, IRCCS MultiMedica, Via Milanese 300, 20138 Milan, Italy
| | - Carmine Selleri
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy; (P.S.); (V.G.); (E.C.); (A.A.P.); (C.S.); (N.M.)
- Hematology and Transplant Center, University Hospital “San Giovanni di Dio e Ruggi D’Aragona”, Largo Città d’Ippocrate 1, 84131 Salerno, Italy
| | - Giovanna Della Porta
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy; (P.S.); (V.G.); (E.C.); (A.A.P.); (C.S.); (N.M.)
- Interdepartment Centre BIONAM, University of Salerno, Via Giovanni Paolo I, 84084 Fisciano, Italy
| | - Nicola Maffulli
- Department of Medicine, Surgery and Dentistry, University of Salerno, Via S. Allende, 84081 Baronissi, Italy; (P.S.); (V.G.); (E.C.); (A.A.P.); (C.S.); (N.M.)
- Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, 275 Bancroft Road, London E1 4DG, UK
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27
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Tabebordbar M, Lagerborg KA, Stanton A, King EM, Ye S, Tellez L, Krunnfusz A, Tavakoli S, Widrick JJ, Messemer KA, Troiano EC, Moghadaszadeh B, Peacker BL, Leacock KA, Horwitz N, Beggs AH, Wagers AJ, Sabeti PC. Directed evolution of a family of AAV capsid variants enabling potent muscle-directed gene delivery across species. Cell 2021; 184:4919-4938.e22. [PMID: 34506722 PMCID: PMC9344975 DOI: 10.1016/j.cell.2021.08.028] [Citation(s) in RCA: 180] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 05/21/2021] [Accepted: 08/20/2021] [Indexed: 02/06/2023]
Abstract
Replacing or editing disease-causing mutations holds great promise for treating many human diseases. Yet, delivering therapeutic genetic modifiers to specific cells in vivo has been challenging, particularly in large, anatomically distributed tissues such as skeletal muscle. Here, we establish an in vivo strategy to evolve and stringently select capsid variants of adeno-associated viruses (AAVs) that enable potent delivery to desired tissues. Using this method, we identify a class of RGD motif-containing capsids that transduces muscle with superior efficiency and selectivity after intravenous injection in mice and non-human primates. We demonstrate substantially enhanced potency and therapeutic efficacy of these engineered vectors compared to naturally occurring AAV capsids in two mouse models of genetic muscle disease. The top capsid variants from our selection approach show conserved potency for delivery across a variety of inbred mouse strains, and in cynomolgus macaques and human primary myotubes, with transduction dependent on target cell expressed integrin heterodimers.
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MESH Headings
- Amino Acid Sequence
- Animals
- Capsid/chemistry
- Capsid/metabolism
- Cells, Cultured
- Dependovirus/metabolism
- Directed Molecular Evolution
- Disease Models, Animal
- Gene Transfer Techniques
- HEK293 Cells
- Humans
- Integrins/metabolism
- Macaca fascicularis
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Muscle Fibers, Skeletal/metabolism
- Muscle, Skeletal/metabolism
- Muscular Dystrophy, Duchenne/pathology
- Muscular Dystrophy, Duchenne/therapy
- Myopathies, Structural, Congenital/pathology
- Myopathies, Structural, Congenital/therapy
- Protein Multimerization
- Protein Tyrosine Phosphatases, Non-Receptor/genetics
- Protein Tyrosine Phosphatases, Non-Receptor/metabolism
- Protein Tyrosine Phosphatases, Non-Receptor/therapeutic use
- Recombination, Genetic/genetics
- Species Specificity
- Transgenes
- Mice
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Affiliation(s)
| | - Kim A Lagerborg
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Harvard Program in Biological and Biomedical Sciences, Harvard Medical School, Boston, MA 02115, USA
| | - Alexandra Stanton
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Harvard Program in Virology, Harvard Medical School, Boston, MA 02115, USA
| | - Emily M King
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Simon Ye
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Harvard-MIT Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Liana Tellez
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | | | - Sahar Tavakoli
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Jeffrey J Widrick
- Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Kathleen A Messemer
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA
| | - Emily C Troiano
- Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Behzad Moghadaszadeh
- Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Bryan L Peacker
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA
| | - Krystynne A Leacock
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA
| | - Naftali Horwitz
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Section on Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA 02215, USA
| | - Alan H Beggs
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Amy J Wagers
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Section on Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA 02215, USA.
| | - Pardis C Sabeti
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Department of Organismic and Evolutionary Biology, FAS Center for Systems Biology, Harvard University, Cambridge, MA 02138, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
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28
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Yang BA, Castor-Macias J, Fraczek P, Cornett A, Brown LA, Kim M, Brooks SV, Lombaert IMA, Lee JH, Aguilar CA. Sestrins regulate muscle stem cell metabolic homeostasis. Stem Cell Reports 2021; 16:2078-2088. [PMID: 34388363 PMCID: PMC8452514 DOI: 10.1016/j.stemcr.2021.07.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 01/20/2023] Open
Abstract
The health and homeostasis of skeletal muscle are preserved by a population of tissue-resident muscle stem cells (MuSCs) that maintain a state of mitotic and metabolic quiescence in adult tissues. The capacity of MuSCs to preserve the quiescent state declines with aging and metabolic insults, promoting premature activation and stem cell exhaustion. Sestrins are a class of stress-inducible proteins that act as antioxidants and inhibit the activation of the mammalian target of rapamycin complex 1 (mTORC1) signaling complex. Despite these pivotal roles, the role of Sestrins has not been explored in adult stem cells. We show that SESTRIN1,2 loss results in hyperactivation of the mTORC1 complex, increased propensity to enter the cell cycle, and shifts in metabolic flux. Aged SESTRIN1,2 knockout mice exhibited loss of MuSCs and a reduced ability to regenerate injured muscle. These findings demonstrate that Sestrins help maintain metabolic pathways in MuSCs that protect quiescence against aging.
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Affiliation(s)
- Benjamin A Yang
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jesus Castor-Macias
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Paula Fraczek
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ashley Cornett
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA; Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Lemuel A Brown
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Myungjin Kim
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Susan V Brooks
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Isabelle M A Lombaert
- Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA; Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jun Hee Lee
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, MI 48109, USA; Program in Cellular and Molecular Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Carlos A Aguilar
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA; Program in Cellular and Molecular Biology, University of Michigan, Ann Arbor, MI 48109, USA.
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29
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Partridge TA. Enhancing Interrogation of Skeletal Muscle Samples for Informative Quantitative Data. J Neuromuscul Dis 2021; 8:S257-S269. [PMID: 34511511 PMCID: PMC8673506 DOI: 10.3233/jnd-210736] [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] [Indexed: 12/17/2022]
Abstract
Careful quantitative analysis of histological preparations of muscle samples is crucial to accurate investigation of myopathies in man and of interpretation of data from animals subjected to experimental or potentially therapeutic treatments. Protocols for measuring cell numbers are subject to problems arising from biases associated with preparative and analytical techniques. Prominent among these is the effect of polarized structure of skeletal muscle on sampling bias. It is also common in this tissue to collect data as ratios to convenient reference dominators, the fundamental bases of which are ill-defined, or unrecognized or not accurately assessable. Use of such 'floating' denominators raises a barrier to estimation of the absolute values that assume practical importance in medical research, where accurate comparison between different scenarios in different species is essential to the aim of translating preclinical research findings in animal models to clinical utility in Homo sapiens.This review identifies some of the underappreciated problems with current morphometric practice, some of which are exacerbated in skeletal muscle, and evaluates the extent of their intrusiveness into the of building an objective, accurate, picture of the structure of the muscle sample. It also contains recommendations for eliminating or at least minimizing these problems. Principal among these, would be the use of stereological procedures to avoid the substantial counting biases arising from inter-procedure differences in object size and section thickness.Attention is also drawn to the distortions of interpretation arising from use of undefined or inappropriate denominators.
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Affiliation(s)
- Terence A Partridge
- Professor of Integrative Systemic Biology, George Washington University, Washington DC.,Honorary Professor, Institute of Child Health, University College London
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30
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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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31
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Fang J, Sia J, Soto J, Wang P, Li LK, Hsueh YY, Sun R, Francis Faull K, Tidball JG, Li S. Skeletal muscle regeneration via the chemical induction and expansion of myogenic stem cells in situ or in vitro. Nat Biomed Eng 2021; 5:864-879. [PMID: 33737730 PMCID: PMC8387336 DOI: 10.1038/s41551-021-00696-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 02/04/2021] [Indexed: 02/05/2023]
Abstract
Muscle loss and impairment resulting from traumatic injury can be alleviated by therapies using muscle stem cells. However, collecting sufficient numbers of autologous myogenic stem cells and expanding them efficiently has been challenging. Here we show that myogenic stem cells (predominantly Pax7+ cells)-which were selectively expanded from readily obtainable dermal fibroblasts or skeletal muscle stem cells using a specific cocktail of small molecules and transplanted into muscle injuries in adult, aged or dystrophic mice-led to functional muscle regeneration in the three animal models. We also show that sustained release of the small-molecule cocktail in situ through polymer nanoparticles led to muscle repair by inducing robust activation and expansion of resident satellite cells. Chemically induced stem cell expansion in vitro and in situ may prove to be advantageous for stem cell therapies that aim to regenerate skeletal muscle and other tissues.
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Affiliation(s)
- Jun Fang
- Department of Bioengineering, Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Junren Sia
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Jennifer Soto
- Department of Bioengineering, Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Pingping Wang
- Department of Bioengineering, Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA,Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - LeeAnn K. Li
- Department of Bioengineering, Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA,David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90024, USA
| | - Yuan-Yu Hsueh
- Department of Bioengineering, Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA,Division of Plastic Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70456, Taiwan
| | - Raymond Sun
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Kym Francis Faull
- Pasarow Mass Spectrometry Laboratory, Jane and Terry Semel Institute for Neuroscience and Human Behavior and Department of Psychiatry & Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - James G. Tidball
- Department of Integrative Biology and Physiology, Molecular, Cellular & Integrative Physiology Program, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Song Li
- Department of Bioengineering, Department of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA,Correspondence and requests for materials should be addressed to S. L.,
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32
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Litowczenko J, Woźniak-Budych MJ, Staszak K, Wieszczycka K, Jurga S, Tylkowski B. Milestones and current achievements in development of multifunctional bioscaffolds for medical application. Bioact Mater 2021; 6:2412-2438. [PMID: 33553825 PMCID: PMC7847813 DOI: 10.1016/j.bioactmat.2021.01.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/23/2020] [Accepted: 01/07/2021] [Indexed: 12/13/2022] Open
Abstract
Tissue engineering (TE) is a rapidly growing interdisciplinary field, which aims to restore or improve lost tissue function. Despite that TE was introduced more than 20 years ago, innovative and more sophisticated trends and technologies point to new challenges and development. Current challenges involve the demand for multifunctional bioscaffolds which can stimulate tissue regrowth by biochemical curves, biomimetic patterns, active agents and proper cell types. For those purposes especially promising are carefully chosen primary cells or stem cells due to its high proliferative and differentiation potential. This review summarized a variety of recently reported advanced bioscaffolds which present new functions by combining polymers, nanomaterials, bioactive agents and cells depending on its desired application. In particular necessity of study biomaterial-cell interactions with in vitro cell culture models, and studies using animals with in vivo systems were discuss to permit the analysis of full material biocompatibility. Although these bioscaffolds have shown a significant therapeutic effect in nervous, cardiovascular and muscle, tissue engineering, there are still many remaining unsolved challenges for scaffolds improvement.
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Affiliation(s)
- Jagoda Litowczenko
- NanoBioMedical Centre, Adam Mickiewicz University in Poznan, Wszechnicy Piastowskiej 3, Poznan, Poland
| | - Marta J. Woźniak-Budych
- NanoBioMedical Centre, Adam Mickiewicz University in Poznan, Wszechnicy Piastowskiej 3, Poznan, Poland
| | - Katarzyna Staszak
- Institute of Technology and Chemical Engineering, Poznan University of Technology, ul. Berdychowo 4, Poznan, Poland
| | - Karolina Wieszczycka
- Institute of Technology and Chemical Engineering, Poznan University of Technology, ul. Berdychowo 4, Poznan, Poland
| | - Stefan Jurga
- NanoBioMedical Centre, Adam Mickiewicz University in Poznan, Wszechnicy Piastowskiej 3, Poznan, Poland
| | - Bartosz Tylkowski
- Eurecat, Centre Tecnològic de Catalunya, Chemical Technologies Unit, Marcel·lí Domingo s/n, Tarragona, 43007, Spain
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33
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Larouche JA, Mohiuddin M, Choi JJ, Ulintz PJ, Fraczek P, Sabin K, Pitchiaya S, Kurpiers SJ, Castor-Macias J, Liu W, Hastings RL, Brown LA, Markworth JF, De Silva K, Levi B, Merajver SD, Valdez G, Chakkalakal JV, Jang YC, Brooks SV, Aguilar CA. Murine muscle stem cell response to perturbations of the neuromuscular junction are attenuated with aging. eLife 2021; 10:e66749. [PMID: 34323217 PMCID: PMC8360658 DOI: 10.7554/elife.66749] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 07/28/2021] [Indexed: 01/29/2023] Open
Abstract
During aging and neuromuscular diseases, there is a progressive loss of skeletal muscle volume and function impacting mobility and quality of life. Muscle loss is often associated with denervation and a loss of resident muscle stem cells (satellite cells or MuSCs); however, the relationship between MuSCs and innervation has not been established. Herein, we administered severe neuromuscular trauma to a transgenic murine model that permits MuSC lineage tracing. We show that a subset of MuSCs specifically engraft in a position proximal to the neuromuscular junction (NMJ), the synapse between myofibers and motor neurons, in healthy young adult muscles. In aging and in a mouse model of neuromuscular degeneration (Cu/Zn superoxide dismutase knockout - Sod1-/-), this localized engraftment behavior was reduced. Genetic rescue of motor neurons in Sod1-/- mice reestablished integrity of the NMJ in a manner akin to young muscle and partially restored MuSC ability to engraft into positions proximal to the NMJ. Using single cell RNA-sequencing of MuSCs isolated from aged muscle, we demonstrate that a subset of MuSCs are molecularly distinguishable from MuSCs responding to myofiber injury and share similarity to synaptic myonuclei. Collectively, these data reveal unique features of MuSCs that respond to synaptic perturbations caused by aging and other stressors.
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Affiliation(s)
- Jacqueline A Larouche
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Biointerfaces Institute, University of MichiganAnn ArborUnited States
| | - Mahir Mohiuddin
- Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of TechnologyAtlantaUnited States
- School of Biological Sciences, Georgia Institute of TechnologyAtlantaUnited States
- Wallace Coulter Departmentof Biomedical Engineering, Georgia Institute of TechnologyAtlantaUnited States
| | - Jeongmoon J Choi
- Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of TechnologyAtlantaUnited States
- School of Biological Sciences, Georgia Institute of TechnologyAtlantaUnited States
- Wallace Coulter Departmentof Biomedical Engineering, Georgia Institute of TechnologyAtlantaUnited States
| | - Peter J Ulintz
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Biointerfaces Institute, University of MichiganAnn ArborUnited States
- Internal Medicine-Hematology/Oncology, University of MichiganAnn ArborUnited States
| | - Paula Fraczek
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Biointerfaces Institute, University of MichiganAnn ArborUnited States
| | - Kaitlyn Sabin
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Biointerfaces Institute, University of MichiganAnn ArborUnited States
| | | | - Sarah J Kurpiers
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Biointerfaces Institute, University of MichiganAnn ArborUnited States
| | - Jesus Castor-Macias
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Biointerfaces Institute, University of MichiganAnn ArborUnited States
| | - Wenxuan Liu
- Department of Pharmacology and Physiology, University of Rochester Medical CenterRochesterUnited States
- Department of Biomedical Engineering, University of Rochester Medical CenterRochesterUnited States
- Wilmot Cancer Institute, Stem Cell and Regenerative Medicine Institute, and The Rochester Aging Research Center, University of Rochester Medical CenterRochesterUnited States
| | - Robert Louis Hastings
- Departmentof Molecular Biology, Cell Biology and Biochemistry, Brown UniversityProvidenceUnited States
- Center for Translational Neuroscience, Robert J. and Nancy D. Carney Institute for Brain Science and Brown Institute for Translational Science, Brown UniversityProvidenceUnited States
| | - Lemuel A Brown
- Department of Molecular & Integrative Physiology, University of MichiganAnn ArborUnited States
| | - James F Markworth
- Department of Molecular & Integrative Physiology, University of MichiganAnn ArborUnited States
| | - Kanishka De Silva
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Biointerfaces Institute, University of MichiganAnn ArborUnited States
| | - Benjamin Levi
- Department of Surgery, University of Texas SouthwesternDallasUnited States
- Childrens Research Institute and Center for Mineral MetabolismDallasUnited States
- Program in Cellular and Molecular Biology, University of MichiganAnn ArborUnited States
| | - Sofia D Merajver
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Internal Medicine-Hematology/Oncology, University of MichiganAnn ArborUnited States
| | - Gregorio Valdez
- Departmentof Molecular Biology, Cell Biology and Biochemistry, Brown UniversityProvidenceUnited States
- Center for Translational Neuroscience, Robert J. and Nancy D. Carney Institute for Brain Science and Brown Institute for Translational Science, Brown UniversityProvidenceUnited States
| | - Joe V Chakkalakal
- Department of Pharmacology and Physiology, University of Rochester Medical CenterRochesterUnited States
- Department of Biomedical Engineering, University of Rochester Medical CenterRochesterUnited States
- Wilmot Cancer Institute, Stem Cell and Regenerative Medicine Institute, and The Rochester Aging Research Center, University of Rochester Medical CenterRochesterUnited States
| | - Young C Jang
- Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of TechnologyAtlantaUnited States
- School of Biological Sciences, Georgia Institute of TechnologyAtlantaUnited States
- Wallace Coulter Departmentof Biomedical Engineering, Georgia Institute of TechnologyAtlantaUnited States
| | - Susan V Brooks
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Department of Molecular & Integrative Physiology, University of MichiganAnn ArborUnited States
| | - Carlos A Aguilar
- Department of Biomedical Engineering, University of MichiganAnn ArborUnited States
- Biointerfaces Institute, University of MichiganAnn ArborUnited States
- Childrens Research Institute and Center for Mineral MetabolismDallasUnited States
- Program in Cellular and Molecular Biology, University of MichiganAnn ArborUnited States
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34
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Sato T. Induction of Skeletal Muscle Progenitors and Stem Cells from human induced Pluripotent Stem Cells. J Neuromuscul Dis 2021; 7:395-405. [PMID: 32538862 PMCID: PMC7592659 DOI: 10.3233/jnd-200497] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Induced pluripotent stem cells (iPSCs) have the potential to differentiate into various types of cells and tissues including skeletal muscle. The approach to convert these stem cells into skeletal muscle cells offers hope for patients afflicted with skeletal muscle diseases such as Duchenne muscular dystrophy (DMD). Several methods have been reported to induce myogenic differentiation with iPSCs derived from myogenic patients. An important point for generating skeletal muscle cells from iPSCs is to understand in vivo myogenic induction in development and regeneration. Current protocols of myogenic induction utilize techniques with overexpression of myogenic transcription factors such as Myod1(MyoD), Pax3, Pax7, and others, using recombinant proteins or small molecules to induce mesodermal cells followed by myogenic progenitors, and adult muscle stem cells. This review summarizes the current approaches used for myogenic induction and highlights recent improvements.
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Affiliation(s)
- Takahiko Sato
- Department of Anatomy, Fujita Health University, Toyoake, Japan.,AMED-CREST, AMED, Otemachi, Chiyoda, Tokyo, Japan
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35
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Gutiérrez J, Gonzalez D, Escalona-Rivano R, Takahashi C, Brandan E. Reduced RECK levels accelerate skeletal muscle differentiation, improve muscle regeneration, and decrease fibrosis. FASEB J 2021; 35:e21503. [PMID: 33811686 DOI: 10.1096/fj.202001646rr] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 02/07/2021] [Accepted: 02/19/2021] [Indexed: 12/15/2022]
Abstract
The muscle regeneration process requires a properly assembled extracellular matrix (ECM). Its homeostasis depends on the activity of different matrix-metalloproteinases (MMPs). The reversion-inducing-cysteine-rich protein with kazal motifs (RECK) is a membrane-anchored protein that negatively regulates the activity of different MMPs. However, the role of RECK in the process of skeletal muscle differentiation, regeneration, and fibrosis has not been elucidated. Here, we show that during skeletal muscle differentiation of C2C12 myoblasts and in satellite cells on isolated muscle fibers, RECK is transiently up regulated. C2C12 myoblasts with reduced RECK levels are more prone to enter the differentiation program, showing an accelerated differentiation process. Notch-1 signaling was reduced, while p38 and AKT signaling were augmented in myoblasts with decreased RECK levels. Overexpression of RECK restores the normal differentiation process but diminished the ability to form myotubes. Transient up-regulation of RECK occurs during skeletal muscle regeneration, which was accelerated in RECK-deficient mice (Reck±). RECK, MMPs and ECM proteins augmented in chronically damaged WT muscle, a model of muscle fibrosis. In this model, RECK ± mice showed diminished fibrosis compared to WT. These results strongly suggest that RECK is acting as a potential myogenic repressor during muscle formation and regeneration, emerging as a new player in these processes, and as a potential target to treat individuals with the muscle-wasting disease.
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Affiliation(s)
- Jaime Gutiérrez
- Cellular Signaling and Differentiation Laboratory (CSDL), School of Medical Technology, Health Sciences Faculty, Universidad San Sebastian, Santiago, Chile.,Centro de Regeneración y Envejecimiento (CARE), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - David Gonzalez
- Centro de Regeneración y Envejecimiento (CARE), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Rodrigo Escalona-Rivano
- Cellular Signaling and Differentiation Laboratory (CSDL), School of Medical Technology, Health Sciences Faculty, Universidad San Sebastian, Santiago, Chile
| | - Chiaki Takahashi
- Oncology and Molecular Biology, Cancer and Stem Cell Research Program, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Enrique Brandan
- Centro de Regeneración y Envejecimiento (CARE), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile.,Fundación Ciencia & Vida, Santiago, Chile
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36
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Dissecting Murine Muscle Stem Cell Aging through Regeneration Using Integrative Genomic Analysis. Cell Rep 2021; 32:107964. [PMID: 32726628 PMCID: PMC8025697 DOI: 10.1016/j.celrep.2020.107964] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 04/12/2020] [Accepted: 07/03/2020] [Indexed: 12/19/2022] Open
Abstract
During aging, there is a progressive loss of volume and function in skeletal muscle that impacts mobility and quality of life. The repair of skeletal muscle is regulated by tissue-resident stem cells called satellite cells (or muscle stem cells [MuSCs]), but in aging, MuSCs decrease in numbers and regenerative capacity. The transcriptional networks and epigenetic changes that confer diminished regenerative function in MuSCs as a result of natural aging are only partially understood. Herein, we use an integrative genomics approach to profile MuSCs from young and aged animals before and after injury. Integration of these datasets reveals aging impacts multiple regulatory changes through significant differences in gene expression, metabolic flux, chromatin accessibility, and patterns of transcription factor (TF) binding activities. Collectively, these datasets facilitate a deeper understanding of the regulation tissue-resident stem cells use during aging and healing.
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Nalbandian M, Zhao M, Sasaki-Honda M, Jonouchi T, Lucena-Cacace A, Mizusawa T, Yasuda M, Yoshida Y, Hotta A, Sakurai H. Characterization of hiPSC-Derived Muscle Progenitors Reveals Distinctive Markers for Myogenic Cell Purification Toward Cell Therapy. Stem Cell Reports 2021; 16:883-898. [PMID: 33798449 PMCID: PMC8072070 DOI: 10.1016/j.stemcr.2021.03.004] [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: 12/08/2020] [Revised: 03/02/2021] [Accepted: 03/02/2021] [Indexed: 01/14/2023] Open
Abstract
The transplantation of muscle progenitor cells (MuPCs) differentiated from human induced pluripotent stem cells (hiPSCs) is a promising approach for treating skeletal muscle diseases such as Duchenne muscular dystrophy (DMD). However, proper purification of the MuPCs before transplantation is essential for clinical application. Here, by using MYF5 hiPSC reporter lines, we identified two markers for myogenic cell purification: CDH13, which purified most of the myogenic cells, and FGFR4, which purified a subset of MuPCs. Cells purified with each of the markers showed high efficiency for regeneration after transplantation and contributed to the restoration of dystrophin expression in DMD-immunodeficient model mice. Moreover, we found that MYF5 regulates CDH13 expression by binding to the promoter regions. These findings suggest that FGFR4 and CDH13 are strong candidates for the purification of hiPSC-derived MuPCs for therapeutical application. MYF5 and PAX7 mark different populations of hiPSC-MuPCs RNA-seq of MYF5+ cells reveals CDH13 and FGFR4 as hiPSC-MuPC markers CDH13+ and FGFR4+ hiPSC-MuPCs contribute to regeneration in mdx mice MYF5 regulates CDH13 expression by binding to its promoter region
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Affiliation(s)
- Minas Nalbandian
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Mingming Zhao
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan.
| | - Mitsuru Sasaki-Honda
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Tatsuya Jonouchi
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Antonio Lucena-Cacace
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Takuma Mizusawa
- Central Institute for Experimental Animals, 3-25-12 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Masahiko Yasuda
- Central Institute for Experimental Animals, 3-25-12 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Yoshinori Yoshida
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Akitsu Hotta
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hidetoshi Sakurai
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan.
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Ciriza J, Rodríguez-Romano A, Nogueroles I, Gallego-Ferrer G, Cabezuelo RM, Pedraz JL, Rico P. Borax-loaded injectable alginate hydrogels promote muscle regeneration in vivo after an injury. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 123:112003. [PMID: 33812623 PMCID: PMC8085734 DOI: 10.1016/j.msec.2021.112003] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/05/2021] [Accepted: 02/20/2021] [Indexed: 11/25/2022]
Abstract
Muscle tissue possess an innate regenerative potential that involves an extremely complicated and synchronized process on which resident muscle stem cells play a major role: activate after an injury, differentiate and fuse originating new myofibers for muscle repair. Considerable efforts have been made to design new approaches based on material systems to potentiate muscle repair by engineering muscle extracellular matrix and/or including soluble factors/cells in the media, trying to recapitulate the key biophysical and biochemical cues present in the muscle niche. This work proposes a different and simple approach to potentiate muscle regeneration exploiting the interplay between specific cell membrane receptors. The simultaneous stimulation of borate transporter, NaBC1 (encoded by SLC4A11gene), and fibronectin-binding integrins induced higher number and size of focal adhesions, major cell spreading and actin stress fibers, strengthening myoblast attachment and providing an enhanced response in terms of myotube fusion and maturation. The stimulated NaBC1 generated an adhesion-driven state through a mechanism that involves simultaneous NaBC1/α5β1/αvβ3 co-localization. We engineered and characterized borax-loaded alginate hydrogels for an effective activation of NaBC1 in vivo. After inducing an acute injury with cardiotoxin in mice, active-NaBC1 accelerated the muscle regeneration process. Our results put forward a new biomaterial approach for muscle repair.
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Affiliation(s)
- Jesús Ciriza
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain; NanoBioCel Group, Laboratory of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of the Basque Country UPV/EHU, C/ Miguel de Unamuno, 3, 01006 Vitoria Gasteiz, Spain.
| | - Ana Rodríguez-Romano
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain; Center for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Ignacio Nogueroles
- Center for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Gloria Gallego-Ferrer
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain; Center for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
| | - Rubén Martín Cabezuelo
- Center for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
| | - José Luis Pedraz
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain; NanoBioCel Group, Laboratory of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of the Basque Country UPV/EHU, C/ Miguel de Unamuno, 3, 01006 Vitoria Gasteiz, Spain.
| | - Patricia Rico
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain; Center for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
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39
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Atkinson SP. A preview of selected articles. Stem Cells 2021. [DOI: 10.1002/stem.3350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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The Future of Regenerative Medicine: Cell Therapy Using Pluripotent Stem Cells and Acellular Therapies Based on Extracellular Vesicles. Cells 2021; 10:cells10020240. [PMID: 33513719 PMCID: PMC7912181 DOI: 10.3390/cells10020240] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/13/2021] [Accepted: 01/23/2021] [Indexed: 12/11/2022] Open
Abstract
The rapid progress in the field of stem cell research has laid strong foundations for their use in regenerative medicine applications of injured or diseased tissues. Growing evidences indicate that some observed therapeutic outcomes of stem cell-based therapy are due to paracrine effects rather than long-term engraftment and survival of transplanted cells. Given their ability to cross biological barriers and mediate intercellular information transfer of bioactive molecules, extracellular vesicles are being explored as potential cell-free therapeutic agents. In this review, we first discuss the state of the art of regenerative medicine and its current limitations and challenges, with particular attention on pluripotent stem cell-derived products to repair organs like the eye, heart, skeletal muscle and skin. We then focus on emerging beneficial roles of extracellular vesicles to alleviate these pathological conditions and address hurdles and operational issues of this acellular strategy. Finally, we discuss future directions and examine how careful integration of different approaches presented in this review could help to potentiate therapeutic results in preclinical models and their good manufacturing practice (GMP) implementation for future clinical trials.
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Almada AE, Horwitz N, Price FD, Gonzalez AE, Ko M, Bolukbasi OV, Messemer KA, Chen S, Sinha M, Rubin LL, Wagers AJ. FOS licenses early events in stem cell activation driving skeletal muscle regeneration. Cell Rep 2021; 34:108656. [PMID: 33503437 PMCID: PMC9112118 DOI: 10.1016/j.celrep.2020.108656] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 10/14/2020] [Accepted: 12/23/2020] [Indexed: 12/25/2022] Open
Abstract
Muscle satellite cells (SCs) are a quiescent (non-proliferative) stem cell population in uninjured skeletal muscle. Although SCs have been investigated for nearly 60 years, the molecular drivers that transform quiescent SCs into the rapidly dividing (activated) stem/progenitor cells that mediate muscle repair after injury remain largely unknown. Here we identify a prominent FBJ osteosarcoma oncogene (Fos) mRNA and protein signature in recently activated SCs that is rapidly, heterogeneously, and transiently induced by muscle damage. We further reveal a requirement for FOS to efficiently initiate key stem cell functions, including cell cycle entry, proliferative expansion, and muscle regeneration, via induction of “pro-regenerative” target genes that stimulate cell migration, division, and differentiation. Disruption of one of these Fos/AP-1 targets, NAD(+)-consuming mono-ADP-ribosyl-transferase 1 (Art1), in SCs delays cell cycle entry and impedes progenitor cell expansion and muscle regeneration. This work uncovers an early-activated FOS/ART1/mono-ADP-ribosylation (MARylation) pathway that is essential for stem cell-regenerative responses. How adult stem cells are activated to repair tissues and organs after injury remains one of the greatest mysteries in regenerative biology. Almada et al. reveal a FOS-driven “pro-regenerative” transcriptional gene network, including the NAD(+)-dependent mono-ADP-ribosylating (MARylating) enzyme Art1, that drives effective muscle stem cell activation and muscle repair.
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Affiliation(s)
- Albert E Almada
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Joslin Diabetes Center, Boston, MA 02215, USA.
| | - Naftali Horwitz
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Joslin Diabetes Center, Boston, MA 02215, USA
| | - Feodor D Price
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Alfredo E Gonzalez
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA
| | - Michelle Ko
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA
| | - Ozge Vargel Bolukbasi
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Kathleen A Messemer
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA
| | - Sonia Chen
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Manisha Sinha
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Joslin Diabetes Center, Boston, MA 02215, USA
| | - Lee L Rubin
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Amy J Wagers
- Department of Stem Cell and Regenerative Biology, Harvard University and Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Joslin Diabetes Center, Boston, MA 02215, USA.
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Kourakis S, Timpani CA, de Haan JB, Gueven N, Fischer D, Rybalka E. Targeting Nrf2 for the treatment of Duchenne Muscular Dystrophy. Redox Biol 2021; 38:101803. [PMID: 33246292 PMCID: PMC7695875 DOI: 10.1016/j.redox.2020.101803] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 11/02/2020] [Accepted: 11/15/2020] [Indexed: 12/15/2022] Open
Abstract
Imbalances in redox homeostasis can result in oxidative stress, which is implicated in various pathological conditions including the fatal neuromuscular disease Duchenne Muscular Dystrophy (DMD). DMD is a complicated disease, with many druggable targets at the cellular and molecular level including calcium-mediated muscle degeneration; mitochondrial dysfunction; oxidative stress; inflammation; insufficient muscle regeneration and dysregulated protein and organelle maintenance. Previous investigative therapeutics tended to isolate and focus on just one of these targets and, consequently, therapeutic activity has been limited. Nuclear erythroid 2-related factor 2 (Nrf2) is a transcription factor that upregulates many cytoprotective gene products in response to oxidants and other toxic stressors. Unlike other strategies, targeted Nrf2 activation has the potential to simultaneously modulate separate pathological features of DMD to amplify therapeutic benefits. Here, we review the literature providing theoretical context for targeting Nrf2 as a disease modifying treatment against DMD.
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Affiliation(s)
- Stephanie Kourakis
- College of Health and Biomedicine, Victoria University, Melbourne, Victoria, Australia.
| | - Cara A Timpani
- Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia; Australian Institute for Musculoskeletal Science, Victoria University, St Albans, Victoria, Australia.
| | - Judy B de Haan
- Oxidative Stress Laboratory, Basic Science Domain, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia; Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, Australia.
| | - Nuri Gueven
- School of Pharmacy and Pharmacology, University of Tasmania, Hobart, Tasmania, Australia.
| | - Dirk Fischer
- Division of Developmental- and Neuropediatrics, University Children's Hospital Basel (UKBB), University of Basel, Basel, Switzerland.
| | - Emma Rybalka
- College of Health and Biomedicine, Victoria University, Melbourne, Victoria, Australia; Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia; Australian Institute for Musculoskeletal Science, Victoria University, St Albans, Victoria, Australia.
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43
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Abreu P, Kowaltowski AJ. Satellite cell self-renewal in endurance exercise is mediated by inhibition of mitochondrial oxygen consumption. J Cachexia Sarcopenia Muscle 2020; 11:1661-1676. [PMID: 32748470 PMCID: PMC7749620 DOI: 10.1002/jcsm.12601] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 06/07/2020] [Accepted: 06/15/2020] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Skeletal muscle stem cells (satellite cells) are well known to participate in regeneration and maintenance of the tissue over time. Studies have shown increases in the number of satellite cells after exercise, but their functional role in endurance training remains unexplored. METHODS Young adult mice were submitted to endurance exercise training and the function, differentiation, and metabolic characteristics of satellite cells were investigated in vivo and in vitro. RESULTS We found that injured muscles from endurance-exercised mice display improved regenerative capacity, demonstrated through higher densities of newly formed myofibres compared with controls (evidenced by an increase in embryonic myosin heavy chain expression), as well as lower inflammation (evidenced by quantifying CD68-marked macrophages), and reduced fibrosis. Enhanced myogenic function was accompanied by an increased fraction of satellite cells expressing self-renewal markers, while control satellite cells had morphologies suggestive of early differentiation. The beneficial effects of endurance exercise were associated with satellite cell metabolic reprogramming, including reduced mitochondrial respiration (O2 consumption) under resting conditions (absence of muscle injury) and increased stemness. During proliferation or activated states (3 days after injury), O2 consumption was equal in control and exercised cells, while exercise enhanced myogenic colony formation. Surprisingly, inhibition of mitochondrial O2 consumption was sufficient to enhance muscle stem cell self-renewal characteristics in vitro. Moreover, transplanted muscle satellite cells from exercised mice or cells with reduced mitochondrial respiration promoted a significant reduction in inflammation compared with controls. CONCLUSIONS Our results indicate that endurance exercise promotes self-renewal and inhibits differentiation in satellite cells, an effect promoted by metabolic reprogramming and respiratory inhibition, which is associated with a more favourable muscular response to injury.
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Affiliation(s)
- Phablo Abreu
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Alicia J Kowaltowski
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
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Endo Y, Baldino K, Li B, Zhang Y, Sakthivel D, MacArthur M, Panayi AC, Kip P, Spencer DJ, Jasuja R, Bagchi D, Bhasin S, Nuutila K, Neppl RL, Wagers AJ, Sinha I. Loss of ARNT in skeletal muscle limits muscle regeneration in aging. FASEB J 2020; 34:16086-16104. [PMID: 33064329 PMCID: PMC7756517 DOI: 10.1096/fj.202000761rr] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 09/23/2020] [Accepted: 09/28/2020] [Indexed: 12/11/2022]
Abstract
The ability of skeletal muscle to regenerate declines significantly with aging. The expression of aryl hydrocarbon receptor nuclear translocator (ARNT), a critical component of the hypoxia signaling pathway, was less abundant in skeletal muscle of old (23-25 months old) mice. This loss of ARNT was associated with decreased levels of Notch1 intracellular domain (N1ICD) and impaired regenerative response to injury in comparison to young (2-3 months old) mice. Knockdown of ARNT in a primary muscle cell line impaired differentiation in vitro. Skeletal muscle-specific ARNT deletion in young mice resulted in decreased levels of whole muscle N1ICD and limited muscle regeneration. Administration of a systemic hypoxia pathway activator (ML228), which simulates the actions of ARNT, rescued skeletal muscle regeneration in both old and ARNT-deleted mice. These results suggest that the loss of ARNT in skeletal muscle is partially responsible for diminished myogenic potential in aging and activation of hypoxia signaling holds promise for rescuing regenerative activity in old muscle.
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Affiliation(s)
- Yori Endo
- Division of Plastic SurgeryBrigham and Women's HospitalHarvard Medical SchoolBostonMAUSA
| | - Kodi Baldino
- Division of Plastic SurgeryBrigham and Women's HospitalHarvard Medical SchoolBostonMAUSA
| | - Bin Li
- Division of Plastic SurgeryBrigham and Women's HospitalHarvard Medical SchoolBostonMAUSA
- Department of Plastic and Aesthetic SurgeryNanfang HospitalSouthern Medical UniversityGuangzhouChina
| | - Yuteng Zhang
- Division of Plastic SurgeryBrigham and Women's HospitalHarvard Medical SchoolBostonMAUSA
- Department of Plastic and Aesthetic SurgeryNanfang HospitalSouthern Medical UniversityGuangzhouChina
| | | | - Michael MacArthur
- Department of Genetics and Complex DiseasesHarvard School of Public HealthBostonMAUSA
- Division of Vascular and Endovascular SurgeryBrigham and Women's HospitalBostonMAUSA
| | - Adriana C. Panayi
- Division of Plastic SurgeryBrigham and Women's HospitalHarvard Medical SchoolBostonMAUSA
| | - Peter Kip
- Division of Vascular and Endovascular SurgeryBrigham and Women's HospitalBostonMAUSA
| | | | - Ravi Jasuja
- Division of EndocrinologyBrigham and Women's HospitalBostonMAUSA
| | - Debalina Bagchi
- Department of Orthopedic SurgeryBrigham and Women's Hospital, Harvard Medical SchoolBostonMAUSA
| | - Shalender Bhasin
- Division of EndocrinologyBrigham and Women's HospitalBostonMAUSA
| | - Kristo Nuutila
- Division of Plastic SurgeryBrigham and Women's HospitalHarvard Medical SchoolBostonMAUSA
| | - Ronald L. Neppl
- Department of Orthopedic SurgeryBrigham and Women's Hospital, Harvard Medical SchoolBostonMAUSA
| | - Amy J. Wagers
- Joslin Diabetes CenterBostonMAUSA
- Harvard Department of Stem Cell and Regenerative BiologyHarvard Stem Cell InstituteCambridgeMAUSA
- Paul F. Glenn Center for the Biology of AgingHarvard Medical SchoolBostonMAUSA
| | - Indranil Sinha
- Division of Plastic SurgeryBrigham and Women's HospitalHarvard Medical SchoolBostonMAUSA
- Harvard Department of Stem Cell and Regenerative BiologyHarvard Stem Cell InstituteCambridgeMAUSA
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Lee Y, Choi JJ, Ahn SI, Lee NH, Han WM, Mohiuddin M, Shin EJ, Wood L, Park KD, Kim Y, Jang YC. Engineered Heterochronic Parabiosis in 3D Microphysiological System for Identification of Muscle Rejuvenating Factors. ADVANCED FUNCTIONAL MATERIALS 2020; 30:2002924. [PMID: 38053980 PMCID: PMC10697693 DOI: 10.1002/adfm.202002924] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Indexed: 12/07/2023]
Abstract
Exposure of aged mice to a young systemic milieu revealed remarkable rejuvenation effects on aged tissues, including skeletal muscle. Although some candidate factors have been identified, the exact identity and the underlying mechanisms of putative rejuvenating factors remain elusive, mainly due to the complexity of in vivo parabiosis. Here, we present an in vitro muscle parabiosis system that integrates young- and old-muscle stem cell vascular niche on a three-dimensional microfluidic platform designed to recapitulate key features of native muscle stem cell microenvironment. This innovative system enables mechanistic studies of cellular dynamics and molecular interactions within the muscle stem cell niche, especially in response to conditional extrinsic stimuli of local and systemic factors. We demonstrate that vascular endothelial growth factor (VEGF) signaling from endothelial cells and myotubes synergistically contribute to the rejuvenation of the aged muscle stem cell function. Moreover, with the adjustable on-chip system, we can mimic both blood transfusion and parabiosis and detect the time-varying effects of anti-geronic and pro-geronic factors in a single organ or multi-organ systems. Our unique approach presents a complementary in vitro model to supplement in vivo parabiosis for identifying potential anti-geronic factors responsible for revitalizing aging organs.
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Affiliation(s)
- Yunki Lee
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Jeongmoon J. Choi
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Song Ih Ahn
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Nan Hee Lee
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Woojin M. Han
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Mahir Mohiuddin
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Eun Jung Shin
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Levi Wood
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Ki Dong Park
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - YongTae Kim
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Young C. Jang
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
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Buchanan SM, Price FD, Castiglioni A, Gee AW, Schneider J, Matyas MN, Hayhurst M, Tabebordbar M, Wagers AJ, Rubin LL. Pro-myogenic small molecules revealed by a chemical screen on primary muscle stem cells. Skelet Muscle 2020; 10:28. [PMID: 33036659 PMCID: PMC7547525 DOI: 10.1186/s13395-020-00248-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 09/14/2020] [Indexed: 11/10/2022] Open
Abstract
Satellite cells are the canonical muscle stem cells that regenerate damaged skeletal muscle. Loss of function of these cells has been linked to reduced muscle repair capacity and compromised muscle health in acute muscle injury and congenital neuromuscular diseases. To identify new pathways that can prevent loss of skeletal muscle function or enhance regenerative potential, we established an imaging-based screen capable of identifying small molecules that promote the expansion of freshly isolated satellite cells. We found several classes of receptor tyrosine kinase (RTK) inhibitors that increased freshly isolated satellite cell numbers in vitro. Further exploration of one of these compounds, the RTK inhibitor CEP-701 (also known as lestaurtinib), revealed potent activity on mouse satellite cells both in vitro and in vivo. This expansion potential was not seen upon exposure of proliferating committed myoblasts or non-myogenic fibroblasts to CEP-701. When delivered subcutaneously to acutely injured animals, CEP-701 increased both the total number of satellite cells and the rate of muscle repair, as revealed by an increased cross-sectional area of regenerating fibers. Moreover, freshly isolated satellite cells expanded ex vivo in the presence of CEP-701 displayed enhanced muscle engraftment potential upon in vivo transplantation. We provide compelling evidence that certain RTKs, and in particular RET, regulate satellite cell expansion during muscle regeneration. This study demonstrates the power of small molecule screens of even rare adult stem cell populations for identifying stem cell-targeting compounds with therapeutic potential.
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Affiliation(s)
- Sean M Buchanan
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA
| | - Feodor D Price
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA
| | - Alessandra Castiglioni
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA.,Cancer Immunology Department, Genentech, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Amanda Wagner Gee
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA
| | - Joel Schneider
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA
| | - Mark N Matyas
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA
| | - Monica Hayhurst
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA
| | - Mohammadsharif Tabebordbar
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA
| | - Amy J Wagers
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA
| | - Lee L Rubin
- Harvard University Department of Stem Cell and Regenerative Biology, 7 Divinity Ave, Cambridge, MA, 02138, USA.
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Abstract
Stem cells (SCs) maintain tissue homeostasis and repair wounds. Despite marked variation in tissue architecture and regenerative demands, SCs often follow similar paradigms in communicating with their microenvironmental "niche" to transition between quiescent and regenerative states. Here we use skin epithelium and skeletal muscle-among the most highly-stressed tissues in our body-to highlight similarities and differences in niche constituents and how SCs mediate natural tissue rejuvenation and perform regenerative acts prompted by injuries. We discuss how these communication networks break down during aging and how understanding tissue SCs has led to major advances in regenerative medicine.
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Affiliation(s)
- Elaine Fuchs
- Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA.
| | - Helen M Blau
- Baxter Foundation Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA.
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48
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"Betwixt Mine Eye and Heart a League Is Took": The Progress of Induced Pluripotent Stem-Cell-Based Models of Dystrophin-Associated Cardiomyopathy. Int J Mol Sci 2020; 21:ijms21196997. [PMID: 32977524 PMCID: PMC7582534 DOI: 10.3390/ijms21196997] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/17/2020] [Accepted: 09/21/2020] [Indexed: 12/19/2022] Open
Abstract
The ultimate goal of precision disease modeling is to artificially recreate the disease of affected people in a highly controllable and adaptable external environment. This field has rapidly advanced which is evident from the application of patient-specific pluripotent stem-cell-derived precision therapies in numerous clinical trials aimed at a diverse set of diseases such as macular degeneration, heart disease, spinal cord injury, graft-versus-host disease, and muscular dystrophy. Despite the existence of semi-adequate treatments for tempering skeletal muscle degeneration in dystrophic patients, nonischemic cardiomyopathy remains one of the primary causes of death. Therefore, cardiovascular cells derived from muscular dystrophy patients' induced pluripotent stem cells are well suited to mimic dystrophin-associated cardiomyopathy and hold great promise for the development of future fully effective therapies. The purpose of this article is to convey the realities of employing precision disease models of dystrophin-associated cardiomyopathy. This is achieved by discussing, as suggested in the title echoing William Shakespeare's words, the settlements (or "leagues") made by researchers to manage the constraints ("betwixt mine eye and heart") distancing them from achieving a perfect precision disease model.
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May V, Arnold AA, Pagad S, Somagutta MR, Sridharan S, Nanthakumaran S, Malik BH. Duchenne's Muscular Dystrophy: The Role of Induced Pluripotent Stem Cells and Genomic Editing on Muscle Regeneration. Cureus 2020; 12:e10600. [PMID: 33123420 PMCID: PMC7584317 DOI: 10.7759/cureus.10600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
There are two types of well-known muscular dystrophies: Duchenne's muscular dystrophy (DMD) and Becker's muscular dystrophy. This article focuses on the X-linked recessive disorder of Duchenne's muscular dystrophy, which primarily affects children at age four, with a shortened life span of up to 40 years. A defective dystrophin protein lacking the gene dystrophin is the primary cause of the disease pathophysiology. This defect causes cardiac and skeletal muscle down-regulation of dystrophin, leading to weak and fibrotic muscles. The disease is currently untreatable, so most kids die due to cardiac failure in their late 30's. This review presents current treatment options, based on previous studies conducted over the last five years. We used the PubMed database to analyze and review the most important investigations. We also included an analysis of induced pluripotent stem cell therapy vs. genetic therapy using the mdx mouse model. We have discovered promising results on mdx mouse models to date and excited about the potential for where further clinical human trials can go.
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Affiliation(s)
- Vanessa May
- Department of Research, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Ashley A Arnold
- Department of Research, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Sukrut Pagad
- Department of Internal Medicine, Larkin Community Hospital, Hialeah, USA
| | - Manoj R Somagutta
- Department of Research, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Saijanakan Sridharan
- Department of Research, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Saruja Nanthakumaran
- Department of Research, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Bilal Haider Malik
- Department of Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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50
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Xing HY, Liu N, Zhou MW. Satellite cell proliferation and myofiber cross-section area increase after electrical stimulation following sciatic nerve crush injury in rats. Chin Med J (Engl) 2020; 133:1952-1960. [PMID: 32826459 PMCID: PMC7462209 DOI: 10.1097/cm9.0000000000000822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Electrical stimulation has been recommended as an effective therapy to prevent muscle atrophy after nerve injury. However, the effect of electrical stimulation on the proliferation of satellite cells in denervated muscles has not yet been fully elucidated. This study was aimed to evaluate the changes in satellite cell proliferation after electrical stimulation in nerve injury and to determine whether these changes are related to the restoration of myofiber cross-section area (CSA). METHODS Sciatic nerve crush injury was performed in 48 male Sprague-Dawley rats. In half (24/48) of the rats, the gastrocnemius was electrically stimulated transcutaneously on a daily basis after injury, while the other half were not stimulated. Another group of 24 male Sprague-Dawley rats were used as sham operation controls without injury or stimulation. The rats were euthanized 2, 4, and 6 weeks later. After 5-bromo-2'-deoxyuridine (BrdU) labeling, the gastrocnemia were harvested for the detection of paired box protein 7 (Pax7), BrdU, myofiber CSA, and myonuclei number per fiber. All data were analyzed using two-way analysis of variance and Bonferroni post-hoc test. RESULTS The percentages of Pax7-positive nuclei (10.81 ± 0.56%) and BrdU-positive nuclei (34.29 ± 3.87%) in stimulated muscles were significantly higher compared to those in non-stimulated muscles (2.58 ± 0.33% and 1.30 ± 0.09%, respectively, Bonferroni t = 15.91 and 18.14, P < 0.05). The numbers of myonuclei per fiber (2.19 ± 0.24) and myofiber CSA (1906.86 ± 116.51 μm) were also increased in the stimulated muscles (Bonferroni t = 3.57 and 2.73, P < 0.05), and both were positively correlated with the Pax7-positive satellite cell content (R = 0.52 and 0.60, P < 0.01). There was no significant difference in the ratio of myofiber CSA/myonuclei number per fiber among the three groups. CONCLUSIONS Our results indicate that satellite cell proliferation is promoted by electrical stimulation after nerve injury, which may be correlated with an increase in myonuclei number and myofiber CSA.
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Affiliation(s)
- Hua-Yi Xing
- Department of Rehabilitation Medicine, Peking University Third Hospital, Beijing 100191, China
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