1
|
Qi B, Li Y, Peng Z, Luo Z, Zhang X, Chen J, Li G, Sun Y. Macrophage-Myofibroblast Transition as a Potential Origin for Skeletal Muscle Fibrosis After Injury via Complement System Activation. J Inflamm Res 2024; 17:1083-1094. [PMID: 38384372 PMCID: PMC10880461 DOI: 10.2147/jir.s450599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 02/14/2024] [Indexed: 02/23/2024] Open
Abstract
Background Acute skeletal muscle injury is common in sports. The injured muscle cannot fully recover due to fibrosis resulting from myofibroblasts. Understanding the origin of fibroblasts is, therefore, important for the development of anti-fibrotic therapies. Accumulating evidence shows that a mechanism called macrophage-myofibroblast transition (MMT) can lead to tissue or organ fibrosis, yet it is still unclear whether MMT exists in skeletal muscle and the exact mechanisms. Methods Single-cell transcriptome of mice skeletal muscle after acute injury was analyzed with a specific attention on the process of MMT. Cell-cell interaction network, pseudotime trajectory analysis, Gene Ontology (GO), and Kyoto Genome Encyclopedia (KEGG) were conducted. A series of experiments in vivo and in vitro were launched for verification. Results Single cell transcriptomic analysis indicated that, following acute injury, there were much interactions between macrophages and myofibroblasts. A detailed analysis on macrophages indicated that, CD68+α-SMA+ cells, which represented the status of MMT, mainly appeared at five days post-injury. KEGG/GO analysis underlined the involvement of complement system, within which C3ar1, C1qa, C1qb, and C1qc were up-regulated. Trajectory analysis also confirmed a potential shift from macrophages to myofibroblasts. These findings were verified by histological study in mice skeletal muscle, that there were much MMT cells at five days, declined gradually, and vanished 14 days after trauma, when there was remarkable fibrosis formation within the injured muscle. Moreover, C3a stimulation could directly induce MMT in BMDMs. Conclusion Fibrosis following acute injury is disastrous to skeletal muscle, but the origin of myofibroblasts remains unclear. We proved that, following acute injury, macrophage-myofibroblast transition happened in skeletal muscle, which may contribute to fibrosis formation. This phenomenon mainly occurred at five days post-injury. The complement system can activate MMT. More evidence is needed to directly support the pro-fibrotic role of MMT in skeletal muscle fibrosis after acute injury.
Collapse
Affiliation(s)
- Beijie Qi
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, People’s Republic of China
| | - Yuqi Li
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Zhen Peng
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Zhiwen Luo
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, People’s Republic of China
| | - Xingyu Zhang
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Jiwu Chen
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Guoqi Li
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Yaying Sun
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| |
Collapse
|
2
|
Zhang D, Tao J, Zhang X, Ma X, Li C, Li H, Li W, Chen J, Liu H. Novel Pro-myogenic Factor Neoruscogenin Induces Muscle Fiber Hypertrophy by Inhibiting MSTN Maturation and Activating the Akt/mTOR Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:499-511. [PMID: 36563293 DOI: 10.1021/acs.jafc.2c06527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Neoruscogenin is a plant-origin sapogenin that has the potential to modulate muscle growth among the small-molecule compounds that we previously predicted by artificial intelligence to target myostatin (MSTN). This study aimed to elucidate the biological role of neoruscogenin on muscle growth and its relationship with MSTN. Using molecular biological techniques, we found that neoruscogenin inhibited MSTN maturation, thereby repressing its signal transduction; further facilitated protein synthesis metabolism and reduced protein degradation metabolism, ultimately promoting the differentiation of myoblasts and hypertrophy of muscle fibers; and had the effect of repairing muscle injury. This study enriched the biological functions of neoruscogenin and provided a theoretical basis for the treatment of human myopathy and its application in the livestock industry.
Collapse
Affiliation(s)
- Dingding Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jingli Tao
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Xuan Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiangfei Ma
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Chengyu Li
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Hongmin Li
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Weijian Li
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jie Chen
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Honglin Liu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| |
Collapse
|
3
|
Pferdehirt L, Guo P, Lu A, Huard M, Guilak F, Huard J. In vitro analysis of genome-engineered muscle-derived stem cells for autoregulated anti-inflammatory and antifibrotic activity. J Orthop Res 2022; 40:2937-2946. [PMID: 35293626 PMCID: PMC9477979 DOI: 10.1002/jor.25311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 01/19/2022] [Accepted: 02/21/2022] [Indexed: 02/04/2023]
Abstract
Traumatic muscle injury leads to chronic and pathologic fibrosis in skeletal muscles, primarily driven through upregulation of transforming growth factor-β1 (TGF-β1). Cell-based therapies, such as injection of muscle-derived stem cells (MDSCs), have shown promise in muscle repair. However, injected MDSCs in injured skeletal muscle can differentiate into myofibroblasts under the influence of TGF-β1, and contribute to the development of fibrosis, limiting their regenerative potential. In this study, we created a "smart" cell-based drug delivery system using CRISPR-Cas9 to genetically engineer MDSCs capable of sensing TGF-β1 and producing an antifibrotic biologic, decorin. These gene-edited smart cells, capable of inhibiting fibrosis in a dose-dependent and autoregulating manner, show anti-inflammatory and antifibrotic properties in vitro, without changing the expression of myogenic and stem cell markers as well as their cell proliferation and myogenic differentiation. Additionally, differentiation down a fibrotic lineage is reduced or eliminated in response to TGF-β1. Our results show that gene editing can be used to successfully create smart stem cells capable of producing biologic drugs with antifibrotic capabilities in a controlled and localized manner. This system provides a tool for cell-based drug delivery as the basis for a novel therapeutic approach for a variety of diseases.
Collapse
Affiliation(s)
- Lara Pferdehirt
- Department of Orthopaedic Surgery, Washington University,
St. Louis, MO 63110, USA
- Shriners Hospitals for Children – St. Louis, St.
Louis, MO 63110, USA
- Department of Biomedical Engineering, Washington
University, St. Louis, MO 63110, USA
- Center of Regenerative Medicine, Washington University, St.
Louis, MO 63110, USA
| | - Ping Guo
- Center for Regenerative & Personalized Medicine,
Steadman Philippon Research Institute; Vail, CO, 81657, USA
| | - Aiping Lu
- Center for Regenerative & Personalized Medicine,
Steadman Philippon Research Institute; Vail, CO, 81657, USA
| | - Mathew Huard
- Center for Regenerative & Personalized Medicine,
Steadman Philippon Research Institute; Vail, CO, 81657, USA
| | - Farshid Guilak
- Department of Orthopaedic Surgery, Washington University,
St. Louis, MO 63110, USA
- Shriners Hospitals for Children – St. Louis, St.
Louis, MO 63110, USA
- Department of Biomedical Engineering, Washington
University, St. Louis, MO 63110, USA
- Center of Regenerative Medicine, Washington University, St.
Louis, MO 63110, USA
| | - Johnny Huard
- Center for Regenerative & Personalized Medicine,
Steadman Philippon Research Institute; Vail, CO, 81657, USA
| |
Collapse
|
4
|
Exploring the Relationship between Biological Maturation Level, Muscle Strength, and Muscle Power in Adolescents. BIOLOGY 2022; 11:biology11121722. [PMID: 36552232 PMCID: PMC9774382 DOI: 10.3390/biology11121722] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 11/29/2022]
Abstract
The purpose of this study was to investigate the relationship between adolescents’ biological maturation level and their muscle power, as well as their overall muscle strength. Overall, 691 adolescents (414 boys and 277 girls) aged 12.01−11.96 (measured for body mass, body height as well as vertical jump, muscle power, and muscle strength). There was a statistically significant difference in terms of average right and left grip strength, vertical jump, and power in the late maturation group. For the body height and vertical jump averages in male adolescents, it was observed that the body height and vertical jump averages in the late group were significantly lower than in the early and on-time maturation groups. For female adolescents’ chronological age, sitting height, body mass, BMI, left and right grip strength, and power averages were found to be significantly higher compared with the on-time group (p < 0.05). It was established that biological maturation has a substantial link with vertical jump height and power, as well as grip strength on the right and left hands.
Collapse
|
5
|
Yang YS, Kim JM, Xie J, Chaugule S, Lin C, Ma H, Hsiao E, Hong J, Chun H, Shore EM, Kaplan FS, Gao G, Shim JH. Suppression of heterotopic ossification in fibrodysplasia ossificans progressiva using AAV gene delivery. Nat Commun 2022; 13:6175. [PMID: 36258013 PMCID: PMC9579182 DOI: 10.1038/s41467-022-33956-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 10/04/2022] [Indexed: 12/24/2022] Open
Abstract
Heterotopic ossification is the most disabling feature of fibrodysplasia ossificans progressiva, an ultra-rare genetic disorder for which there is currently no prevention or treatment. Most patients with this disease harbor a heterozygous activating mutation (c.617 G > A;p.R206H) in ACVR1. Here, we identify recombinant AAV9 as the most effective serotype for transduction of the major cells-of-origin of heterotopic ossification. We use AAV9 delivery for gene replacement by expression of codon-optimized human ACVR1, ACVR1R206H allele-specific silencing by AAV-compatible artificial miRNA and a combination of gene replacement and silencing. In mouse skeletal cells harboring a conditional knock-in allele of human mutant ACVR1 and in patient-derived induced pluripotent stem cells, AAV gene therapy ablated aberrant Activin A signaling and chondrogenic and osteogenic differentiation. In Acvr1(R206H) knock-in mice treated locally in early adulthood or systemically at birth, trauma-induced endochondral bone formation was markedly reduced, while inflammation and fibroproliferative responses remained largely intact in the injured muscle. Remarkably, spontaneous heterotopic ossification also substantially decreased in in Acvr1(R206H) knock-in mice treated systemically at birth or in early adulthood. Collectively, we develop promising gene therapeutics that can prevent disabling heterotopic ossification in mice, supporting clinical translation to patients with fibrodysplasia ossificans progressiva.
Collapse
Affiliation(s)
- Yeon-Suk Yang
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Jung-Min Kim
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Jun Xie
- Horae Gene Therapy Center, UMass Chan Medical School, Worcester, MA, USA
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, MA, USA
- Viral Vector Core, UMass Chan Medical School, Worcester, MA, USA
| | - Sachin Chaugule
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Chujiao Lin
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Hong Ma
- Horae Gene Therapy Center, UMass Chan Medical School, Worcester, MA, USA
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, MA, USA
- Viral Vector Core, UMass Chan Medical School, Worcester, MA, USA
| | - Edward Hsiao
- Division of Endocrinology and Metabolism, Department of Medicine; the Institute for Human Genetics; the Program in Craniofacial Biology; and the Eli and Edyth Broad Institute of Regeneration Medicine, University of California-San Francisco, San Francisco, CA, USA
| | - Jaehyoung Hong
- Department of Mathematical Sciences, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
| | - Hyonho Chun
- Department of Mathematical Sciences, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
| | - Eileen M Shore
- Department of Orthopaedic Surgery, The Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Genetics, The Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- The Center for Research in FOP and Related Disorders, The Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Frederick S Kaplan
- Department of Orthopaedic Surgery, The Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- The Center for Research in FOP and Related Disorders, The Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Medicine, The Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Guangping Gao
- Horae Gene Therapy Center, UMass Chan Medical School, Worcester, MA, USA.
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, MA, USA.
- Viral Vector Core, UMass Chan Medical School, Worcester, MA, USA.
- Li Weibo Institute for Rare Diseases Research, UMass Chan Medical School, Worcester, MA, USA.
| | - Jae-Hyuck Shim
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA.
- Horae Gene Therapy Center, UMass Chan Medical School, Worcester, MA, USA.
- Li Weibo Institute for Rare Diseases Research, UMass Chan Medical School, Worcester, MA, USA.
| |
Collapse
|
6
|
Song Y, Li M, Lei S, Hao L, Lv Q, Liu M, Wang G, Wang Z, Fu X, Wang L. Silk sericin patches delivering miRNA-29-enriched extracellular vesicles-decorated myoblasts (SPEED) enhances regeneration and functional repair after severe skeletal muscle injury. Biomaterials 2022; 287:121630. [PMID: 35816980 DOI: 10.1016/j.biomaterials.2022.121630] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 06/05/2022] [Accepted: 06/08/2022] [Indexed: 11/02/2022]
Abstract
Severe skeletal muscle injuries usually lead to a series of poor recovery issues, such as massive myofibers loss, scar tissue formation, significant muscle function impairment, etc. Here, a silk sericin patch delivering miRNA-29-enriched extracellular vesicles-decorated myoblasts (SPEED) is designed for the rapid regeneration and functional repair after severe skeletal muscle injury. Specifically, miR29-enriched extracellular vesicles (miR29-EVs) are prepared and used to deliver miR29 into primary myoblasts, which promote the myotube formation of myoblasts and increase the expression of myogenic genes while inhibiting the expression of fibrotic genes. Our results indicate that miR29-EVs promote the integration of primary myoblasts and host muscle in a severe mouse tibialis anterior (TA) muscle injury model. Moreover, implantation of SPEED drastically stimulates skeletal muscle regeneration, inhibits fibrosis of injured muscles, and leads to significant improvement of muscle contraction forces and motor ability of mice about 3 weeks after treatment. Subsequently, we further evaluate the transcriptomes of TA muscles and find that SPEED can significantly ameliorate energy metabolism and muscular microenvironment of TA muscles on day 9 after implantation. Additionally, bioinformatic analysis and comprehensive molecular biology studies also reveal that the down-regulation of CDC20-MEF2C signaling axis may participate in the muscle repair process. Together, SPEED may serve as an effective alternative for the rapid repair of severe skeletal muscle injuries in the future.
Collapse
Affiliation(s)
- Yu Song
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Miaomiao Li
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Shijun Lei
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Lu Hao
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qiying Lv
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Miaodeng Liu
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Guobin Wang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zheng Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Xiaobing Fu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and 4th Medical Center, PLA General Hospital and PLA Medical College, Beijing, 100853, China.
| | - Lin Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| |
Collapse
|
7
|
Xin C, Chu X, Wei W, Kuang B, Wang Y, Tang Y, Chen J, You H, Li C, Wang B. Combined gene therapy via VEGF and mini-dystrophin synergistically improves pathologies in temporalis muscle of dystrophin/utrophin double knockout mice. Hum Mol Genet 2021; 30:1349-1359. [PMID: 33987645 DOI: 10.1093/hmg/ddab120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 12/16/2022] Open
Abstract
Duchenne muscular dystrophy (DMD) is a severe X-linked inherited muscular disorder characterized by the loss of dystrophin. We have previously shown that monogene therapy using the mini-dystrophin gene improves muscle function in DMD. However, chronic inflammation plays an important role in progressive muscle degeneration in DMD as well. Vascular endothelial growth factor (VEGF) has been used to enhance muscle vasculature, reduce local inflammation and improve DMD muscle function. Temporalis muscles are the key skeletal muscles for mastication and loss of their function negatively affects DMD patient quality of life by reducing nutritional intake, but little is known about the pathology and treatment of the temporalis muscle in DMD. In this work, we tested the hypothesis that the combined delivery of the human mini-dystrophin and human VEGF genes to the temporalis muscles using separate recombinant adeno-associated viral (rAAV) vectors will synergistically improve muscle function and pathology in adult male dystrophin/utrophin double-knockout (mdx/utrn+/-) mice. The experimental mice were divided into four groups including: dystrophin + VEGF combined, dystrophin only, VEGF only and PBS control. After 2 months, gene expression and histological analysis of the temporalis muscles showed a synergistic improvement in temporalis muscle pathology and function coincident with increased restoration of dystrophin-associated protein complexes and nNOS in the dystrophin + VEGF combined group. We also observed significantly reduced inflammatory cell infiltration, central nucleation, and fibrosis in the dystrophin + VEGF combined group. We have demonstrated the efficacy of combined rAAV-mediated dystrophin and VEGF treatment of temporalis muscles in a DMD mouse model.
Collapse
Affiliation(s)
- Can Xin
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15219, USA.,Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, 430071, China
| | - Xiangyu Chu
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15219, USA.,Department of Orthopedics, Tongji Hospital, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Wenzhong Wei
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15219, USA.,Department of Immunology, University of Pittsburgh, PA, 15213, USA
| | - Biao Kuang
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15219, USA.,Department of Orthopedics, Xiangya Hospital, Zhongnan University, Changsha, Hunan, 410008, China
| | - Yiqing Wang
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15219, USA
| | - Ying Tang
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15219, USA.,Center for Pulmonary Vascular Biology and Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Jincao Chen
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, 430071, China
| | - Hongbo You
- Department of Orthopedics, Tongji Hospital, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chengwen Li
- Gene Therapy Center, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Bing Wang
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15219, USA
| |
Collapse
|
8
|
Kim H, Jeong JH, Fendereski M, Lee HS, Kang DY, Hur SS, Amirian J, Kim Y, Pham NT, Suh N, Hwang NSY, Ryu S, Yoon JK, Hwang Y. Heparin-Mimicking Polymer-Based In Vitro Platform Recapitulates In Vivo Muscle Atrophy Phenotypes. Int J Mol Sci 2021; 22:ijms22052488. [PMID: 33801235 PMCID: PMC7957884 DOI: 10.3390/ijms22052488] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 02/25/2021] [Accepted: 02/25/2021] [Indexed: 12/13/2022] Open
Abstract
The cell–cell/cell–matrix interactions between myoblasts and their extracellular microenvironment have been shown to play a crucial role in the regulation of in vitro myogenic differentiation and in vivo skeletal muscle regeneration. In this study, by harnessing the heparin-mimicking polymer, poly(sodium-4-styrenesulfonate) (PSS), which has a negatively charged surface, we engineered an in vitro cell culture platform for the purpose of recapitulating in vivo muscle atrophy-like phenotypes. Our initial findings showed that heparin-mimicking moieties inhibited the fusion of mononucleated myoblasts into multinucleated myotubes, as indicated by the decreased gene and protein expression levels of myogenic factors, myotube fusion-related markers, and focal adhesion kinase (FAK). We further elucidated the underlying molecular mechanism via transcriptome analyses, observing that the insulin/PI3K/mTOR and Wnt signaling pathways were significantly downregulated by heparin-mimicking moieties through the inhibition of FAK/Cav3. Taken together, the easy-to-adapt heparin-mimicking polymer-based in vitro cell culture platform could be an attractive platform for potential applications in drug screening, providing clear readouts of changes in insulin/PI3K/mTOR and Wnt signaling pathways.
Collapse
Affiliation(s)
- Hyunbum Kim
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Korea;
| | - Ji Hoon Jeong
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
- Department of Integrated Biomedical Science, Soonchunhyang University, Asan-si 31538, Korea
| | - Mona Fendereski
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
- Department of Integrated Biomedical Science, Soonchunhyang University, Asan-si 31538, Korea
| | - Hyo-Shin Lee
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
- Department of Integrated Biomedical Science, Soonchunhyang University, Asan-si 31538, Korea
| | - Da Yeon Kang
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan-si 31538, Korea; (D.Y.K.); (N.S.)
| | - Sung Sik Hur
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
| | - Jhaleh Amirian
- Institute of Tissue Regeneration, Soonchunhyang University, Asan-si 31538, Korea;
| | - Yunhye Kim
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
- Department of Integrated Biomedical Science, Soonchunhyang University, Asan-si 31538, Korea
| | - Nghia Thi Pham
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
- Department of Integrated Biomedical Science, Soonchunhyang University, Asan-si 31538, Korea
| | - Nayoung Suh
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan-si 31538, Korea; (D.Y.K.); (N.S.)
| | - Nathaniel Suk-Yeon Hwang
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Korea;
| | - Seongho Ryu
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
- Department of Integrated Biomedical Science, Soonchunhyang University, Asan-si 31538, Korea
| | - Jeong Kyo Yoon
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
- Department of Integrated Biomedical Science, Soonchunhyang University, Asan-si 31538, Korea
- Correspondence: (J.K.Y.); (Y.H.); Tel.: +82-41-413-5016 (J.K.Y.); +82-41-413-5017 (Y.H.)
| | - Yongsung Hwang
- Soonchunhyang Institute of Medi-Bio Science (SIMS), Soonchunhyang University, Cheonan-si 31151, Korea; (H.K.); (J.H.J.); (M.F.); (H.-S.L.); (S.S.H.); (Y.K.); (N.T.P.); (S.R.)
- Department of Integrated Biomedical Science, Soonchunhyang University, Asan-si 31538, Korea
- Correspondence: (J.K.Y.); (Y.H.); Tel.: +82-41-413-5016 (J.K.Y.); +82-41-413-5017 (Y.H.)
| |
Collapse
|
9
|
Thooyamani AS, Mukhopadhyay A. PDGFRα mediated survival of myofibroblasts inhibit satellite cell proliferation during aberrant regeneration of lacerated skeletal muscle. Sci Rep 2021; 11:63. [PMID: 33420132 PMCID: PMC7794387 DOI: 10.1038/s41598-020-79771-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 11/24/2020] [Indexed: 12/12/2022] Open
Abstract
Aberrant regeneration or fibrosis in muscle is the denouement of deregulated cellular and molecular events that alter original tissue architecture due to accumulation of excessive extracellular matrix. The severity of the insult to the skeletal muscle determines the nature of regeneration. Numerous attempts at deciphering the mechanism underlying fibrosis and the subsequent strategies of drug therapies have yielded temporary solutions. Our intent is to understand the interaction between the myofibroblasts (MFs) and the satellite cells (SCs), during skeletal muscle regeneration. We hypothesize that MFs contribute to the impairment of SCs function by exhibiting an antagonistic influence on their proliferation. A modified laceration based skeletal muscle injury model in mouse was utilized to evaluate the dynamics between the SCs and MFs during wound healing. We show that the decline in MFs’ number through inhibition of PDGFRα signaling consequently promotes proliferation of the SCs and exhibits improved skeletal muscle remodeling. We further conclude that in situ administration of PDGFRα inhibitor prior to onset of fibrosis may attenuate aberrant regeneration. This opens new possibility for the early treatment of muscle fibrosis by specific targeting of MFs rather than transplantation of SCs.
Collapse
Affiliation(s)
- Abinaya Sundari Thooyamani
- Stem Cell Biology Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India. .,, Abi Nivas, Subbanapalya Extension, Bangalore, 560043, India.
| | - Asok Mukhopadhyay
- Stem Cell Biology Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India. .,, AA-602, Ashabari, Patuli, Kolkata, 700094, India.
| |
Collapse
|
10
|
Skeletal muscle healing by M1-like macrophages produced by transient expression of exogenous GM-CSF. Stem Cell Res Ther 2020; 11:473. [PMID: 33158459 PMCID: PMC7648431 DOI: 10.1186/s13287-020-01992-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 10/22/2020] [Indexed: 12/23/2022] Open
Abstract
Background After traumatic skeletal muscle injury, muscle healing is often incomplete and produces extensive fibrosis. The sequence of M1 and M2 macrophage accumulation and the duration of each subtype in the injured area may help to direct the relative extent of fibrogenesis and myogenesis during healing. We hypothesized that increasing the number of M1 macrophages early after traumatic muscle injury would produce more cellular and molecular substrates for myogenesis and fewer substrates for fibrosis, leading to better muscle healing. Methods To test this hypothesis, we transfected skeletal muscle with a plasmid vector to transiently express GM-CSF shortly after injury to drive the polarization of macrophages towards the M1 subset. C57BL/6 mouse tibialis anterior (TA) muscles were injured by contusion and electroporated with uP-mGM, which is a plasmid vector that transiently expresses GM-CSF. Myogenesis, angiogenesis, and fibrosis were evaluated by histology, immunohistochemistry, and RT-qPCR; subpopulations of macrophages by flow cytometry; and muscle functioning by the maximum running speed on the treadmill and the recovery of muscle mass. Results Muscle injury increased the number of local M1-like macrophages and decreased the number of M2-like macrophages on day 4, and uP-mGM treatment enhanced this variation. uP-mGM treatment decreased TGF-β1 protein expression on day 4, and the Sirius Red-positive area decreased from 35.93 ± 15.45% (no treatment) to 2.9% ± 6.5% (p < 0.01) on day 30. uP-mGM electroporation also increased Hgf, Hif1α, and Mtor gene expression; arteriole density; and muscle fiber number during regeneration. The improvement in the quality of the muscle tissue after treatment with uP-mGM affected the increase in the TA muscle mass and the maximum running speed on a treadmill. Conclusion Collectively, our data show that increasing the number of M1-like macrophages immediately after traumatic muscle injury promotes muscle recovery with less fibrosis, and this can be achieved by the transient expression of GM-CSF.
Collapse
|
11
|
Kim JM, Yang YS, Park KH, Ge X, Xu R, Li N, Song M, Chun H, Bok S, Charles JF, Filhol-Cochet O, Boldyreff B, Dinter T, Yu PB, Kon N, Gu W, Takarada T, Greenblatt MB, Shim JH. A RUNX2 stabilization pathway mediates physiologic and pathologic bone formation. Nat Commun 2020; 11:2289. [PMID: 32385263 PMCID: PMC7210266 DOI: 10.1038/s41467-020-16038-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Accepted: 04/10/2020] [Indexed: 12/21/2022] Open
Abstract
The osteoblast differentiation capacity of skeletal stem cells (SSCs) must be tightly regulated, as inadequate bone formation results in low bone mass and skeletal fragility, and over-exuberant osteogenesis results in heterotopic ossification (HO) of soft tissues. RUNX2 is essential for tuning this balance, but the mechanisms of posttranslational control of RUNX2 remain to be fully elucidated. Here, we identify that a CK2/HAUSP pathway is a key regulator of RUNX2 stability, as Casein kinase 2 (CK2) phosphorylates RUNX2, recruiting the deubiquitinase herpesvirus-associated ubiquitin-specific protease (HAUSP), which stabilizes RUNX2 by diverting it away from ubiquitin-dependent proteasomal degradation. This pathway is important for both the commitment of SSCs to osteoprogenitors and their subsequent maturation. This CK2/HAUSP/RUNX2 pathway is also necessary for HO, as its inhibition blocked HO in multiple models. Collectively, active deubiquitination of RUNX2 is required for bone formation and this CK2/HAUSP deubiquitination pathway offers therapeutic opportunities for disorders of inappropriate mineralization.
Collapse
Affiliation(s)
- Jung-Min Kim
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Yeon-Suk Yang
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Kwang Hwan Park
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, South Korea
| | - Xianpeng Ge
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Ren Xu
- State Key Laboratory of Cellular Stress Biology, Xiamen University, Fujian, China
| | - Na Li
- State Key Laboratory of Cellular Stress Biology, Xiamen University, Fujian, China
| | - Minkyung Song
- Department of integrative biotechnology, Sungkyunkwan University, Suwon, South Korea
| | - Hyunho Chun
- Department of Mathematical Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Seoyeon Bok
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY, USA
| | - Julia F Charles
- Department of Orthopedics and Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Odile Filhol-Cochet
- INSERM U1036, pour le Vivant/Biologie du Cancer et de l'Infection, Commissariat à l'Énergie Atomique et aux Énerigies Alternatives Grenoble, Grenoble, France
| | | | - Teresa Dinter
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Paul B Yu
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Ning Kon
- Institute of Cancer Genetics, College of Physicians and Surgeons of Columbia University, New York, NY, USA
| | - Wei Gu
- Institute of Cancer Genetics, College of Physicians and Surgeons of Columbia University, New York, NY, USA
- Department of Pathology and Cell Biology, College of Physicians and Surgeons of Columbia University, New York, NY, USA
| | - Takeshi Takarada
- Department of Regenerative Science, Okayama University Graduate School of Medicine, Okayama, Japan
| | - Matthew B Greenblatt
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY, USA.
| | - Jae-Hyuck Shim
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA.
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Medical School, Worcester, MA, USA.
| |
Collapse
|
12
|
Maltese PE, Michelini S, Baronio M, Bertelli M. Molecular foundations of chiropractic therapy. ACTA BIO-MEDICA : ATENEI PARMENSIS 2019; 90:93-102. [PMID: 31577263 PMCID: PMC7233649 DOI: 10.23750/abm.v90i10-s.8768] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 08/06/2019] [Indexed: 11/23/2022]
Abstract
Background and aim: Alternative medicine is a broad term used to encompass different therapies, including chiropractic. Chiropractic was called “a science of healing without drugs” by its founder, David Daniel Palmer. It is based on the idea that the body has a powerful self-healing ability and that there is a relationship between body structure and function that affects health. In particular, chiropractic assumes that the nervous system controls the human body through nerves branching from the vertebral column and spinal cord. Researchers do not fully understand how chiropractic therapies affect pain, but chiropractic is widely used today to treat chronic pain, such as back pain. Different studies with animal models have demonstrated that chiropractic therapies mediate neuroplasticity, specifically through modulation of neurotrophins. No studies have yet been published on interaction between neurotrophin gene polymorphisms and chiropractic treatment. Methods: We searched PubMed with the following keywords: chiropractic, neuroplasticity, neurotrophin gene polymorphism for a panorama of on the molecular mechanisms of chiropractic therapy. Results: From the material collected, we identified a set of genes and some functional polymorphisms that could be correlated with better response to chiropractic therapy. Conclusions: Further association studies will be necessary to confirm hypotheses of a correlation between single nucleotide polymorphisms in specific genes and better response to chiropractic therapy. (www.actabiomedica.it)
Collapse
|
13
|
Wang K, Li Z, Li J, Liao W, Qin Y, Zhang N, Huo X, Mao N, Zhu H. Optimization of the Platelet-Rich Plasma Concentration for Mesenchymal Stem Cell Applications. Tissue Eng Part A 2018; 25:333-351. [PMID: 30234444 DOI: 10.1089/ten.tea.2018.0091] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
IMPACT STATEMENT In the current study, we screened the effects of different concentrations of platelet-rich plasma (PRP) on the mesenchymal stem cell (MSC) proliferation and differentiation. Our data demonstrated that concentrated PRP exerted different effects on cell proliferation and on the osteogenic, adipogenic, and chondrogenic differentiation of human bone marrow-derived MSCs. Meanwhile, we optimized PRP concentrations for each of these lineage differentiation and MSC expansion and, thus, suggested several promising clinical strategies for different kinds of diseases. These findings may help explain the controversial effects of PRP on MSCs and improve the progress in precise applications of PRP-based regenerative strategies.
Collapse
Affiliation(s)
- Ketao Wang
- 1 Department of Orthopedics, Center of Sport Medicine, Chinese PLA General Hospital, Beijing, China
| | - Zhongli Li
- 1 Department of Orthopedics, Center of Sport Medicine, Chinese PLA General Hospital, Beijing, China
| | - Ji Li
- 1 Department of Orthopedics, Center of Sport Medicine, Chinese PLA General Hospital, Beijing, China
| | - Weixiong Liao
- 1 Department of Orthopedics, Center of Sport Medicine, Chinese PLA General Hospital, Beijing, China
| | - Yuanyuan Qin
- 2 Department of Blood Transfusion, Chinese PLA General Hospital, Beijing, China
| | - Ning Zhang
- 1 Department of Orthopedics, Center of Sport Medicine, Chinese PLA General Hospital, Beijing, China
| | - Xiulin Huo
- 1 Department of Orthopedics, Center of Sport Medicine, Chinese PLA General Hospital, Beijing, China
| | - Ning Mao
- 3 Beijing Institute of Basic Medical Sciences, Beijing, China
| | - Heng Zhu
- 3 Beijing Institute of Basic Medical Sciences, Beijing, China
| |
Collapse
|
14
|
Skeletal muscle fibrosis: an overview. Cell Tissue Res 2018; 375:575-588. [DOI: 10.1007/s00441-018-2955-2] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 10/11/2018] [Indexed: 12/20/2022]
|
15
|
Srikuea R, Suhatcho K. Impact of intramuscular administration of lipid-soluble and water-soluble vehicles into regenerating muscle at the distinct phases of skeletal muscle regeneration. J Physiol Sci 2018; 68:647-661. [PMID: 29134575 PMCID: PMC10717534 DOI: 10.1007/s12576-017-0576-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 10/28/2017] [Indexed: 12/30/2022]
Abstract
Interpretation on the effectiveness of potential substances to enhance skeletal muscle regeneration is difficult if an inappropriate vehicle is administered, since vehicle administration can directly enhance or suppress regenerative capacity. In the current study, intramuscular administration of lipid-soluble and water-soluble vehicles into regenerating muscle at the distinct phases of skeletal muscle regeneration (regenerative vs. remodeling) were investigated. Tested vehicles included lipid-soluble [olive oil, (0.1, 1, 5, and 40%) dimethyl sulfoxide (DMSO), and 40% propylene glycol (PG)] and water-soluble [0.9% NaCl, PBS, 0.1% ethanol, and distilled water]. Skeletal muscle regeneration was induced by 1.2% BaCl2 injection to the tibialis anterior muscle of 10-week-old C57BL/6 male mice. Histological features, skeletal muscle stem cell activity, regenerating muscle fiber formation, angiogenesis, extracellular matrix remodeling, and macrophage infiltration were examined. The results revealed repeated administration of 40% DMSO and 40% PG causes significant recurrent muscle injury, which is pronounced during the remodeling phase compared to the regenerative phase. These findings were supported by (1) massive infiltration of F4/80+ macrophages; (2) significant increase of skeletal muscle stem cell re-activation and nascent regenerating muscle fiber formation; (3) excess fibrous formation; and (4) decreased regenerating muscle fiber cross-sectional area. These deleterious effects were comparable to 2% trypsin (degenerative substance) administration and less pronounced with a single administration. Nevertheless, recurrent muscle injury was still presented with 5% DMSO administration but it can be alleviated when 0.1% DMSO was administered during the remodeling phase. In contrast, none of the tested vehicles enhanced regenerative capacity compared with IGF-1 administration. Altogether, intramuscular administration of vehicle containing high concentration of DMSO or PG could impair skeletal muscle regenerative capacity and potentially affect validation of the investigational substance.
Collapse
Affiliation(s)
- Ratchakrit Srikuea
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand.
| | - Kanokwan Suhatcho
- Department of Physiology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| |
Collapse
|
16
|
Why is Skeletal Muscle Regeneration Impaired after Myonecrosis Induced by Viperid Snake Venoms? Toxins (Basel) 2018; 10:toxins10050182. [PMID: 29723952 PMCID: PMC5983238 DOI: 10.3390/toxins10050182] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 04/22/2018] [Accepted: 04/25/2018] [Indexed: 12/12/2022] Open
Abstract
Skeletal muscle regeneration after myonecrosis involves the activation, proliferation and fusion of myogenic cells, and a coordinated inflammatory response encompassing phagocytosis of necrotic cell debris, and the concerted synthesis of cytokines and growth factors. Myonecrosis often occurs in snakebite envenomings. In the case of venoms that cause myotoxicity without affecting the vasculature, such as those of many elapid snakes, regeneration proceeds successfully. In contrast, in envenomings by most viperid snakes, which affect the vasculature and extracellular matrix in addition to muscle fibers, regeneration is largely impaired and, therefore, the muscle mass is reduced and replaced by fibro-adipose tissue. This review discusses possible causes for such poor regenerative outcome including: (a) damage to muscle microvasculature, which causes tissue hypoxia and affects the inflammatory response and the timely removal of necrotic tissue; (b) damage to intramuscular nerves, which results in atrophy of regenerating fibers; (c) degradation of muscle cell basement membrane, compromising the spatial niche for proliferating myoblasts; (d) widespread degradation of the extracellular matrix; and (e) persistence of venom components in the damaged tissue, which may affect myogenic cells at critical points in the regenerative process. Understanding the causes of poor muscle regeneration may pave the way for the development of novel therapeutic interventions aimed at fostering the regenerative process in envenomed patients.
Collapse
|
17
|
Sun Y, Wang H, Li Y, Liu S, Chen J, Ying H. miR-24 and miR-122 Negatively Regulate the Transforming Growth Factor-β/Smad Signaling Pathway in Skeletal Muscle Fibrosis. MOLECULAR THERAPY-NUCLEIC ACIDS 2018; 11:528-537. [PMID: 29858088 PMCID: PMC5992481 DOI: 10.1016/j.omtn.2018.04.005] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 03/22/2018] [Accepted: 04/15/2018] [Indexed: 02/08/2023]
Abstract
Fibrosis is common after skeletal muscle injury, undermining tissue regeneration and function. The mechanism underlying skeletal muscle fibrosis remains unveiled. Transforming growth factor-β/Smad signaling pathway is supposed to play a pivotal role. However, how microRNAs interact with transforming growth factor-β/Smad-related muscle fibrosis remains unclear. We showed that microRNA (miR)-24-3p and miR-122-5p declined in skeletal muscle fibrosis, which was a consequence of transforming growth factor-β. Upregulating Smad4 suppressed two microRNAs, whereas inhibiting Smad4 elevated microRNAs. Luciferase reporter assay and chromatin immunoprecipitation confirmed that Smad4 directly inhibited two microRNAs. On the other hand, overexpression of these two miRs retarded fibrotic process. We further identified that Smad2 was a direct target of miR-24-3p, whereas miR-122-5p targeted transforming growth factor-β receptor-II. Both targets were important participants in transforming growth factor-β/Smad signaling. Taken together, a positive feedback loop in transforming growth factor-β/Smad4 signaling pathway in skeletal muscle fibrosis was identified. Transforming growth factor-β/Smad axis could be downregulated by microRNAs. This effect, however, was suppressed by Smad4, the downstream of transforming growth factor-β.
Collapse
Affiliation(s)
- Yaying Sun
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Hui Wang
- Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Yan Li
- Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China; State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Shaohua Liu
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Jiwu Chen
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China.
| | - Hao Ying
- Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China.
| |
Collapse
|
18
|
Kneppers A, Verdijk L, de Theije C, Corten M, Gielen E, van Loon L, Schols A, Langen R. A novel in vitro model for the assessment of postnatal myonuclear accretion. Skelet Muscle 2018; 8:4. [PMID: 29444710 PMCID: PMC5813369 DOI: 10.1186/s13395-018-0151-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Accepted: 01/26/2018] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Due to the post-mitotic nature of myonuclei, postnatal myogenesis is essential for skeletal muscle growth, repair, and regeneration. This process is facilitated by satellite cells through proliferation, differentiation, and subsequent fusion with a pre-existing muscle fiber (i.e., myonuclear accretion). Current knowledge of myogenesis is primarily based on the in vitro formation of syncytia from myoblasts, which represents aspects of developmental myogenesis, but may incompletely portray postnatal myogenesis. Therefore, we aimed to develop an in vitro model that better reflects postnatal myogenesis, to study the cell intrinsic and extrinsic processes and signaling involved in the regulation of postnatal myogenesis. METHODS Proliferating C2C12 myoblasts were trypsinized and co-cultured for 3 days with 5 days differentiated C2C12 myotubes. Postnatal myonuclear accretion was visually assessed by live cell time-lapse imaging and cell tracing by cell labeling with Vybrant® DiD and DiO. Furthermore, a Cre/LoxP-based cell system was developed to semi-quantitatively assess in vitro postnatal myonuclear accretion by the conditional expression of luciferase upon myoblast-myotube fusion. Luciferase activity was assessed luminometrically and corrected for total protein content. RESULTS Live cell time-lapse imaging, staining-based cell tracing, and recombination-dependent luciferase activity, showed the occurrence of postnatal myonuclear accretion in vitro. Treatment of co-cultures with the myogenic factor IGF-I (p < 0.001) and the cytokines IL-13 (p < 0.05) and IL-4 (p < 0.001) increased postnatal myonuclear accretion, while the myogenic inhibitors cytochalasin D (p < 0.001), myostatin (p < 0.05), and TNFα (p < 0.001) decreased postnatal myonuclear accretion. Furthermore, postnatal myonuclear accretion was increased upon recovery from electrical pulse stimulation-induced fiber damage (p < 0.001) and LY29004-induced atrophy (p < 0.001). Moreover, cell type-specific siRNA-mediated knockdown of myomaker in myoblasts (p < 0.001), but not in myotubes, decreased postnatal myonuclear accretion. CONCLUSIONS We developed a physiologically relevant, sensitive, high-throughput cell system for semi-quantitative assessment of in vitro postnatal myonuclear accretion, which can be used to mimic physiological myogenesis triggers, and can distinguish the cell type-specific roles of signals and responses in the regulation of postnatal myogenesis. As such, this method is suitable for both basal and translational research on the regulation of postnatal myogenesis, and will improve our understanding of muscle pathologies that result from impaired satellite cell number or function.
Collapse
Affiliation(s)
- Anita Kneppers
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands.
| | - Lex Verdijk
- Department of Human Biology and Movement Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Chiel de Theije
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Mark Corten
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Ellis Gielen
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Luc van Loon
- Department of Human Biology and Movement Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Annemie Schols
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Ramon Langen
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| |
Collapse
|
19
|
Kim J, Lee J. Role of transforming growth factor-β in muscle damage and regeneration: focused on eccentric muscle contraction. J Exerc Rehabil 2017; 13:621-626. [PMID: 29326892 PMCID: PMC5747195 DOI: 10.12965/jer.1735072.536] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 10/30/2017] [Indexed: 11/22/2022] Open
Abstract
High-intensity eccentric muscle contraction induces muscle damage. Damaged muscles recover through different processes, including degeneration, inflammation, regeneration, and fibrosis; some of these processes are mediated through the actions of cytokines. The transforming growth factor-beta (TGF-β) is one such cytokine involved in muscle recovery and repair. In this regard, TGF-β regulates the skeletal muscle inflammatory response, inhibits muscle regeneration, regulates extracellular matrix remodeling, and promotes fibrosis. Although some studies have suggested that inhibition of TGF-β after muscle damage promotes muscle regeneration and recovery, other studies have noted that TGF-β inhibition actually reduces muscle strength because it leads to incomplete muscle regeneration. Despite the importance of TGF-β in the repair of damaged muscles, most studies have focused on examining its role in muscle diseases such as chronic inflammatory diseases or Duchenne’s muscular dystrophy. Here, we have reviewed the existing literature for examining the role of TGF-β in muscle damage and regeneration after eccentric muscle contraction.
Collapse
Affiliation(s)
- Jooyoung Kim
- Sport, Health and Rehabilitation Major, College of Physical Education, Kookmin University, Seoul, Korea
| | - Joohyung Lee
- Sport, Health and Rehabilitation Major, College of Physical Education, Kookmin University, Seoul, Korea
| |
Collapse
|
20
|
Wu Y, Sun X. Suramin against myostatin signaling may be considered to intervene in female patients with advanced heart failure. Int J Cardiol 2017; 247:44. [PMID: 28916082 DOI: 10.1016/j.ijcard.2017.06.084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 06/20/2017] [Indexed: 10/18/2022]
Affiliation(s)
- Yinfang Wu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou 310000, Zhejiang Province, PR China
| | - Xiaodong Sun
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou 310000, Zhejiang Province, PR China; Department of Hepatobiliary and Pancreatic Surgery, Zhejiang Provincial People's Hospital, Hangzhou 310000, Zhejiang Province, PR China.
| |
Collapse
|
21
|
Madrigal JL, Stilhano R, Silva EA. Biomaterial-Guided Gene Delivery for Musculoskeletal Tissue Repair. TISSUE ENGINEERING. PART B, REVIEWS 2017; 23:347-361. [PMID: 28166711 PMCID: PMC5749599 DOI: 10.1089/ten.teb.2016.0462] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 01/11/2017] [Indexed: 02/07/2023]
Abstract
Gene therapy is a promising strategy for musculoskeletal tissue repair and regeneration where local and sustained expression of proteins and/or therapeutic nucleic acids can be achieved. However, the musculoskeletal tissues present unique engineering and biological challenges as recipients of genetic vectors. Targeting specific cell populations, regulating expression in vivo, and overcoming the harsh environment of damaged tissue accompany the general concerns of safety and efficacy common to all applications of gene therapy. In this review, we will first summarize these challenges and then discuss how biomaterial carriers for genetic vectors can address these issues. Second, we will review how limitations specific to given vectors further motivate the utility of biomaterial carriers. Finally, we will discuss how these concepts have been combined with tissue engineering strategies and approaches to improve the delivery of these vectors for musculoskeletal tissue regeneration.
Collapse
Affiliation(s)
- Justin L Madrigal
- Department of Biomedical Engineering, University of California , Davis, Davis, California
| | - Roberta Stilhano
- Department of Biomedical Engineering, University of California , Davis, Davis, California
| | - Eduardo A Silva
- Department of Biomedical Engineering, University of California , Davis, Davis, California
| |
Collapse
|
22
|
Sun Y, Li Y, Wang H, Li H, Liu S, Chen J, Ying H. miR-146a-5p acts as a negative regulator of TGF-β signaling in skeletal muscle after acute contusion. Acta Biochim Biophys Sin (Shanghai) 2017; 49:628-634. [PMID: 28510617 DOI: 10.1093/abbs/gmx052] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Indexed: 02/05/2023] Open
Abstract
Growing evidence suggests the importance of microRNAs (miRNAs) in stress signaling pathways. Transforming growth factor-β (TGF-β) is a potent cytokine that promotes the development of skeletal muscle fibrosis after acute contusion. However, how miRNAs are involved in TGF-β signaling and confer the robustness of TGF-β-induced fibrotic response remains to be fully elucidated. Here, we demonstrated that miR-146a-5p (miR-146) levels were reduced in a fibrotic mouse model after acute muscle contusion. It was also found that TGF-β treatment decreased the expression of miR-146 in vitro in a dose- and time-dependent manner. In addition, overexpression of Smad3 and Samd4, two key players in TGF-β signaling, suppressed the expression of miR-146 in muscle cells. Overexpression of miR-146 inhibited the expressions of fibrosis markers both in vitro and in vivo. Moreover, increase in the expression of miR-146 in muscle cells was able to attenuate the effect of TGF-β on the expressions of fibrosis markers. Mechanistic analysis revealed that Smad4 is a direct target of miR-146 in muscle cells. Furthermore, the anti-fibrotic effect of miR-146 could be blocked by overexpression of Smad4 in vivo. These results suggest that Smad4 is down-regulated by miR-146 in skeletal muscle. Taken together, our results indicate that the anti-fibrotic miR-146 is a component of TGF-β signaling. It is down-regulated by Smad protein, and can inhibit the expression of Smad4. Our study suggests that miR-146 might have a therapeutic potential to reduce skeletal muscle fibrosis after injury.
Collapse
Affiliation(s)
- Yaying Sun
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Yan Li
- Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Hui Wang
- Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Hongyun Li
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Shaohua Liu
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Jiwu Chen
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Hao Ying
- Key Laboratory of Food Safety Research, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| |
Collapse
|
23
|
Yin X, Tang Y, Li J, Dzuricky AT, Pu C, Fu F, Wang B. Genetic ablation of P65 subunit of NF‐κB in
mdx
mice to improve muscle physiological function. Muscle Nerve 2017; 56:759-767. [DOI: 10.1002/mus.25517] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 12/07/2016] [Accepted: 12/09/2016] [Indexed: 01/05/2023]
Affiliation(s)
- Xi Yin
- Department of Orthopaedic SurgeryUniversity of PittsburghSuite 216, Bridgeside Point II, 450 Technology Drive, Pittsburgh Pennsylvania 15219 USA
- Department of Geriatric NeurologyChinese PLA General HospitalBeijing China
| | - Ying Tang
- Department of Orthopaedic SurgeryUniversity of PittsburghSuite 216, Bridgeside Point II, 450 Technology Drive, Pittsburgh Pennsylvania 15219 USA
| | - Jian Li
- Department of Orthopaedic SurgeryUniversity of PittsburghSuite 216, Bridgeside Point II, 450 Technology Drive, Pittsburgh Pennsylvania 15219 USA
- Beijing Friendship HospitalCapital Medical UniversityBeijing China
| | - Anna T. Dzuricky
- Department of Orthopaedic SurgeryUniversity of PittsburghSuite 216, Bridgeside Point II, 450 Technology Drive, Pittsburgh Pennsylvania 15219 USA
| | - Chuanqiang Pu
- Department of Geriatric NeurologyChinese PLA General HospitalBeijing China
| | - Freddie Fu
- Department of Orthopaedic SurgeryUniversity of PittsburghSuite 216, Bridgeside Point II, 450 Technology Drive, Pittsburgh Pennsylvania 15219 USA
| | - Bing Wang
- Department of Orthopaedic SurgeryUniversity of PittsburghSuite 216, Bridgeside Point II, 450 Technology Drive, Pittsburgh Pennsylvania 15219 USA
| |
Collapse
|
24
|
Macrophage Depletion Impairs Skeletal Muscle Regeneration: the Roles of Pro-fibrotic Factors, Inflammation, and Oxidative Stress. Inflammation 2017; 39:2016-2028. [PMID: 27605219 DOI: 10.1007/s10753-016-0438-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Muscle contusion is one of the most common muscle injuries in sports medicine. Macrophages play complex roles in the regeneration of skeletal muscle. However, the roles of macrophages, especially the mechanisms involved, in the regeneration of muscle contusion are still not fully understood. We hypothesize that the depletion of macrophages impairs skeletal muscle regeneration and that pro-fibrotic factors, inflammation, and oxidative stress may be involved in the process. To test these hypotheses, we constructed a muscle contusion injury and a macrophage depletion model and followed it up with morphological and gene expression analyses. The data showed that fibrotic scars were formed in the muscle of contusion injury, and they deteriorated in the mice of macrophage depletion. Furthermore, the sizes of regenerating myofibers were significantly reduced by macrophage depletion. Pro-fibrotic factors, inflammatory cytokines, chemokines, and oxidative stress-related enzymes increased significantly after muscle injury. Moreover, the expression of these factors was delayed by macrophage depletion. Most of them were still significantly higher in the later stage of regeneration. These results suggest that macrophage depletion impairs skeletal muscle regeneration and that pro-fibrotic factors, inflammation, and oxidative stress may play important roles in the process.
Collapse
|
25
|
Miroshnychenko O, Chang WT, Dragoo JL. The Use of Platelet-Rich and Platelet-Poor Plasma to Enhance Differentiation of Skeletal Myoblasts: Implications for the Use of Autologous Blood Products for Muscle Regeneration. Am J Sports Med 2017; 45:945-953. [PMID: 28027451 DOI: 10.1177/0363546516677547] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Platelet-rich plasma (PRP) has been used to augment tissue repair and regeneration after musculoskeletal injury. However, there is increasing clinical evidence that PRP does not show a consistent clinical effect. Purpose/Hypothesis: This study aimed to compare the effects of the following non-neutrophil-containing (leukocyte-poor) plasma fractions on human skeletal muscle myoblast (HSMM) differentiation: (1) PRP, (2) modified PRP (Mod-PRP), in which transforming growth factor β1 (TGF-β1) and myostatin (MSTN) were depleted, and (3) platelet-poor plasma (PPP). The hypothesis was that leukocyte-poor PRP would lead to myoblast proliferation (not differentiation), whereas certain modifications of PRP preparations would increase myoblast differentiation, which is necessary for skeletal muscle regeneration. STUDY DESIGN Controlled laboratory study. METHODS Blood from 7 human donors was individually processed to simultaneously create leukocyte-poor fractions: PRP, Mod-PRP, PPP, and secondarily spun PRP and Mod-PRP (PRPss and Mod-PRPss, respectively). Mod-PRP was produced by removing TGF-β1 and MSTN from PRP using antibodies attached to sterile beads, while a second-stage centrifugal spin of PRP was performed to remove platelets. The biologics were individually added to cell culture groups. Analysis for induction into myoblast differentiation pathways included Western blot analysis, reverse-transcription polymerase chain reaction, and immunohistochemistry, as well as confocal microscopy to assess polynucleated myotubule formation. RESULTS HSMMs cultured with PRP showed an increase in proliferation but no evidence of differentiation. Western blot analysis confirmed that MSTN and TGF-β1 could be decreased in Mod-PRP using antibody-coated beads, but this modification mildly improved myoblast differentiation. However, cell culture with PPP, PRPss, and Mod-PRPss led to a decreased proliferation rate but a significant induction of myoblast differentiation verified by increased multinucleated myotubule formation and myosin heavy chain expression (mean 8-fold change in mRNA level; P < .05), which was comparable with 2% horse serum, the positive control. CONCLUSION PPP and leukocyte-poor PRP preparations subjected to a second spin to remove the platelets led to induction of myoblast cells into the muscle differentiation pathway, whereas unmodified leukocyte-poor PRP led to myoblast proliferation. CLINICAL RELEVANCE These results indicate that traditionally formulated PRP may not be appropriate to induce muscle regeneration. Laboratory evidence suggests that PPP or non-neutrophil-containing PRPss, subjected to an additional spin to remove platelets, should be used to stimulate myoblast differentiation, which is necessary for skeletal muscle regeneration. Clinical studies will be required to confirm the effect of these biologics on muscle regeneration.
Collapse
Affiliation(s)
- Olga Miroshnychenko
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, California, USA
| | - Wen-Teh Chang
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, California, USA
| | - Jason L Dragoo
- Sports Medicine Center, Stanford University Medical Center, Redwood City, California, USA
| |
Collapse
|
26
|
Liu X, Liu Y, Zhao L, Zeng Z, Xiao W, Chen P. Macrophage depletion impairs skeletal muscle regeneration: The roles of regulatory factors for muscle regeneration. Cell Biol Int 2017; 41:228-238. [PMID: 27888539 DOI: 10.1002/cbin.10705] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 11/18/2016] [Indexed: 01/28/2023]
Abstract
Though macrophages are essential for skeletal muscle regeneration, which is a complex process, the roles and mechanisms of the macrophages in the process of muscle regeneration are still not fully understood. The objective of this study is to explore the roles of macrophages and the mechanisms involved in the regeneration of injured skeletal muscle. One hundred and twelve C57BL/6 mice were randomly divided into muscle contusion and macrophages depleted groups. Their gastrocnemius muscles were harvested at the time points of 12 h, 1, 3, 5, 7, 14 d post-injury. The changes in skeletal muscle morphology were assessed by hematoxylin and eosin (HE) stain. The gene expression was analyzed by real-time polymerase chain reaction. The data showed that CL-liposomes treatment did affect the expression of myogenic regulatory factors (MyoD, myogenin) after injury. In addition, CL-liposomes treatment decreased the expression of regulatory factors of muscle regeneration (HGF, uPA, COX-2, IGF-1, MGF, FGF6) and increased the expression of inflammatory cytokines (TGF-β1, TNF-α, IL-1β, RANTES) in the late stage of regeneration. Moreover, there were significant correlations between macrophages and some regulatory factors (such as HGF, uPA) for muscle regeneration. These results suggested that macrophages depletion impairs skeletal muscle regeneration and that the regulatory factors for muscle regeneration may play important roles in this process.
Collapse
Affiliation(s)
- Xiaoguang Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
| | - Yu Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China.,Department of Exercise Science, Shenyang Sport University, Shenyang, 110001, China
| | - Linlin Zhao
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
| | - Zhigang Zeng
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
| | - Weihua Xiao
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
| | - Peijie Chen
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
| |
Collapse
|
27
|
Kobayashi M, Ota S, Terada S, Kawakami Y, Otsuka T, Fu FH, Huard J. The Combined Use of Losartan and Muscle-Derived Stem Cells Significantly Improves the Functional Recovery of Muscle in a Young Mouse Model of Contusion Injuries. Am J Sports Med 2016; 44:3252-3261. [PMID: 27501834 DOI: 10.1177/0363546516656823] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Although muscle injuries tend to heal uneventfully in most cases, incomplete functional recovery commonly occurs as a result of scar tissue formation at the site of injury, even after treatment with muscle-derived stem cells (MDSCs). HYPOTHESIS The transplantation of MDSCs in the presence of a transforming growth factor β1 (TGF-β1) antagonist (losartan) would result in decreased scar tissue formation and enhance muscle regeneration after contusion injuries in a mouse model. STUDY DESIGN Controlled laboratory study. METHODS An animal model of muscle contusion was developed using the tibialis anterior muscle in 48 healthy mice at 8 to 10 weeks of age. After sustaining muscle contusion injuries, the mice were divided into 4 groups: (1) saline injection group (control group; n = 15), (2) MDSC transplantation group (MDSC group; n = 15), (3) MDSC transplantation plus oral losartan group (MDSC/losartan group; n = 15), and (4) healthy uninjured group (healthy group; n = 3). Losartan was administrated systemically beginning 3 days after injury and continued until the designated endpoint (1, 2, or 4 weeks after injury). MDSCs were transplanted 4 days after injury. Muscle regeneration and fibrotic scar formation were evaluated by histology, and the expression of follistatin, MyoD, Smad7, and Smad2/3 were analyzed by immunohistochemistry and reverse transcription polymerase chain reaction analysis. Functional recovery was measured via electrical stimulation of the peroneal nerve. RESULTS When compared with MDSC transplantation alone, MDSC/losartan treatment resulted in significantly decreased scar formation, an increase in the number of regenerating myofibers, and improved functional recovery after muscle contusions. In support of these findings, the expression levels of Smad7 and MyoD were significantly increased in the group treated with both MDSCs and losartan. CONCLUSION When compared with MDSCs alone, the simultaneous treatment of muscle contusions with MDSCs and losartan significantly reduced scar formation, increased the number of regenerating myofibers, and improved the functional recovery of muscle; these effects were caused, at least in part, by the losartan-mediated upregulation of Smad7 and MyoD. Increased levels of Smad7 and MyoD together reduced the deposition of scar tissue (via the inhibition of TGF-β1 by Smad7) and committed the transplanted MDSCs toward a myogenic lineage (via Smad7-regulated MyoD expression). CLINICAL RELEVANCE The study findings contribute to the development of biological treatments to accelerate and improve the quality of muscle healing after injury.
Collapse
Affiliation(s)
- Makoto Kobayashi
- Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Shusuke Ota
- Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Satoshi Terada
- Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Yohei Kawakami
- Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Takanobu Otsuka
- Department of Orthopaedic Surgery, Nagoya City University, Nagoya, Japan
| | - Freddie H Fu
- Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Johnny Huard
- Stem Cell Research Center, Children's Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, Pennsylvania, USA .,Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, Texas, USA.,Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado, USA
| |
Collapse
|
28
|
Pasteuning-Vuhman S, Boertje-van der Meulen JW, van Putten M, Overzier M, Ten Dijke P, Kiełbasa SM, Arindrarto W, Wolterbeek R, Lezhnina KV, Ozerov IV, Aliper AM, Hoogaars WM, Aartsma-Rus A, Loomans CJM. New function of the myostatin/activin type I receptor (ALK4) as a mediator of muscle atrophy and muscle regeneration. FASEB J 2016; 31:238-255. [PMID: 27733450 PMCID: PMC5161514 DOI: 10.1096/fj.201600675r] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 09/22/2016] [Indexed: 12/13/2022]
Abstract
Skeletal muscle fibrosis and impaired muscle regeneration are major contributors to muscle wasting in Duchenne muscular dystrophy (DMD). Muscle growth is negatively regulated by myostatin (MSTN) and activins. Blockage of these pathways may improve muscle quality and function in DMD. Antisense oligonucleotides (AONs) were designed specifically to block the function of ALK4, a key receptor for the MSTN/activin pathway in skeletal muscle. AON-induced exon skipping resulted in specific Alk4 down-regulation, inhibition of MSTN activity, and increased myoblast differentiation in vitro. Unexpectedly, a marked decrease in muscle mass (10%) was found after Alk4 AON treatment in mdx mice. In line with in vitro results, muscle regeneration was stimulated, and muscle fiber size decreased markedly. Notably, when Alk4 was down-regulated in adult wild-type mice, muscle mass decreased even more. RNAseq analysis revealed dysregulated metabolic functions and signs of muscle atrophy. We conclude that ALK4 inhibition increases myogenesis but also regulates the tight balance of protein synthesis and degradation. Therefore, caution must be used when developing therapies that interfere with MSTN/activin pathways.—Pasteuning-Vuhman, S., Boertje-van der Meulen, J. W., van Putten, M., Overzier, M., ten Dijke, P., Kiełbasa, S. M., Arindrarto, W., Wolterbeek, R., Lezhnina, K. V., Ozerov, I. V., Aliper, A. M., Hoogaars, W. M., Aartsma-Rus, A., Loomans, C. J. M. New function of the myostatin/activin type I receptor (ALK4) as a mediator of muscle atrophy and muscle regeneration.
Collapse
Affiliation(s)
| | | | - Maaike van Putten
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Maurice Overzier
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Peter Ten Dijke
- Department of Molecular and Cell Biology Leiden University Medical Center, Leiden, The Netherlands.,Cancer Genomics Center, Leiden University Medical Center, Leiden, The Netherlands
| | - Szymon M Kiełbasa
- Department of Medical Statistics and Bioinformatics, Leiden University Medical Center, Leiden, The Netherlands
| | - Wibowo Arindrarto
- Department of Medical Statistics and Bioinformatics, Leiden University Medical Center, Leiden, The Netherlands
| | - Ron Wolterbeek
- Department of Medical Statistics and Bioinformatics, Leiden University Medical Center, Leiden, The Netherlands
| | - Ksenia V Lezhnina
- InSilico Medicine, Incorporated, Emerging Technology Centers, Johns Hopkins University, Baltimore, Maryland, USA; and
| | - Ivan V Ozerov
- InSilico Medicine, Incorporated, Emerging Technology Centers, Johns Hopkins University, Baltimore, Maryland, USA; and
| | - Aleksandr M Aliper
- InSilico Medicine, Incorporated, Emerging Technology Centers, Johns Hopkins University, Baltimore, Maryland, USA; and
| | - Willem M Hoogaars
- Department of Human Movement Sciences, Faculty of Behavioral and Movement Sciences, Move Research Institute Amsterdam, Vrije Universiteit (VU) Amsterdam, Amsterdam, The Netherlands
| | - Annemieke Aartsma-Rus
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands;
| | - Cindy J M Loomans
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| |
Collapse
|
29
|
Martin KS, Kegelman CD, Virgilio KM, Passipieri JA, Christ GJ, Blemker SS, Peirce SM. In Silico and In Vivo Experiments Reveal M-CSF Injections Accelerate Regeneration Following Muscle Laceration. Ann Biomed Eng 2016; 45:747-760. [PMID: 27718091 DOI: 10.1007/s10439-016-1707-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 08/04/2016] [Indexed: 12/17/2022]
Abstract
Numerous studies have pharmacologically modulated the muscle milieu in the hopes of promoting muscle regeneration; however, the timing and duration of these interventions are difficult to determine. This study utilized a combination of in silico and in vivo experiments to investigate how inflammation manipulation improves muscle recovery following injury. First, we measured macrophage populations following laceration injury in the rat tibialis anterior (TA). Then we calibrated an agent-based model (ABM) of muscle injury to mimic the observed inflammation profiles. The calibrated ABM was used to simulate macrophage and satellite stem cell (SC) dynamics, and suggested that delivering macrophage colony stimulating factor (M-CSF) prior to injury would promote SC-mediated injury recovery. Next, we performed an experiment wherein 1 day prior to injury, we injected M-CSF into the rat TA muscle. M-CSF increased the number of macrophages during the first 4 days post-injury. Furthermore, treated muscles experienced a swifter increase in the appearance of PAX7+ SCs and regenerating muscle fibers. Our study suggests that computational models of muscle injury provide novel insights into cellular dynamics during regeneration, and further, that pharmacologically altering inflammation dynamics prior to injury can accelerate the muscle regeneration process.
Collapse
Affiliation(s)
- Kyle S Martin
- Department of Biomedical Engineering, The University of Virginia, Health System, PO Box 800759, Charlottesville, VA 22908, USA
| | - Christopher D Kegelman
- Department of Biomedical Engineering, The University of Virginia, Health System, PO Box 800759, Charlottesville, VA 22908, USA
| | - Kelley M Virgilio
- Department of Biomedical Engineering, The University of Virginia, Health System, PO Box 800759, Charlottesville, VA 22908, USA
| | - Julianna A Passipieri
- Department of Biomedical Engineering, The University of Virginia, Health System, PO Box 800759, Charlottesville, VA 22908, USA
| | - George J Christ
- Department of Biomedical Engineering, The University of Virginia, Health System, PO Box 800759, Charlottesville, VA 22908, USA
- Department of Orthopaedic Surgery, The University of Virginia, Charlottesville, VA, USA
| | - Silvia S Blemker
- Department of Biomedical Engineering, The University of Virginia, Health System, PO Box 800759, Charlottesville, VA 22908, USA.
- Department of Mechanical and Aerospace Engineering, The University of Virginia, Charlottesville, VA, USA.
| | - Shayn M Peirce
- Department of Biomedical Engineering, The University of Virginia, Health System, PO Box 800759, Charlottesville, VA 22908, USA
- Department of Ophthalmology, The University of Virginia, Charlottesville, VA, USA
| |
Collapse
|
30
|
Denapoli PMA, Stilhano RS, Ingham SJM, Han SW, Abdalla RJ. Platelet-Rich Plasma in a Murine Model: Leukocytes, Growth Factors, Flt-1, and Muscle Healing. Am J Sports Med 2016; 44:1962-71. [PMID: 27217525 DOI: 10.1177/0363546516646100] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND It is well known that platelet-rich plasma (PRP) preparations are not the same and that not all preparations include white blood cells, but the part that leukocytes play on the healing role of PRP is still unknown. PURPOSE The primary aim of this study was to evaluate the influence of leukocytes in different PRP preparations with a special emphasis on growth factor concentrations. The secondary aim was to evaluate the influence of PRP on muscle healing. STUDY DESIGN Controlled laboratory study. METHODS Two PRP preparation procedures were evaluated. Blood fractions were stained with Rapid Panoptic, and growth factors (transforming growth factor beta 1 [TGF-β1], vascular endothelial growth factor [VEGF], insulin-like growth factor [IGF], epidermal growth factor [EGF], hepatocyte growth factor [HGF], and platelet-derived growth factor [PDGF]) were quantified by enzyme-linked immunosorbent assay. Western blotting analysis was performed for Fms-related tyrosine kinase 1 (Flt-1). A muscle contusion injury was created and treated with PRP at different time points. RESULTS Leukocytes were the main source of VEGF, and all other growth factors measured had a higher concentration in the preparations that included the buffy coat and consequently had a higher concentration of white blood cells. Flt-1 was also found in platelet-poor plasma (PPP). There were higher concentrations of PDGF and HGF in the preparations that encompassed the buffy coat. A PRP injection 7 days after the injury provided significantly increased exercise performance and decreased the fibrotic area when compared with other PRP-treated groups. CONCLUSION VEGF is only present in PRP's buffy coat, while Flt-1 is present in PPP. A PRP injection 7 days after an injury resulted in improved exercise performance. CLINICAL RELEVANCE The presence of Flt-1 in PRP provides yet another explanation for results described in the literature after a PRP injection. This information is relevant for selecting the best PRP for each type of injury.
Collapse
Affiliation(s)
| | - Roberta Sessa Stilhano
- Center for Cell and Molecular Therapy, Federal University of São Paulo, São Paulo, Brazil
| | - Sheila Jean McNeill Ingham
- Department of Orthopedic Surgery, School of Medicine, Federal University of São Paulo, São Paulo, Brazil Knee Institute, Heart Hospital, São Paulo, Brazil
| | - Sang Won Han
- Center for Cell and Molecular Therapy, Federal University of São Paulo, São Paulo, Brazil
| | - Rene Jorge Abdalla
- Department of Orthopedic Surgery, School of Medicine, Federal University of São Paulo, São Paulo, Brazil Knee Institute, Heart Hospital, São Paulo, Brazil
| |
Collapse
|
31
|
Xiao W, Liu Y, Luo B, Zhao L, Liu X, Zeng Z, Chen P. Time-dependent gene expression analysis after mouse skeletal muscle contusion. JOURNAL OF SPORT AND HEALTH SCIENCE 2016; 5:101-108. [PMID: 30356928 PMCID: PMC6191981 DOI: 10.1016/j.jshs.2016.01.017] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 09/06/2015] [Accepted: 10/16/2015] [Indexed: 06/08/2023]
Abstract
BACKGROUND Though the mechanisms of skeletal muscle regeneration are deeply understood, those involved in muscle contusion, one of the most common muscle injuries in sports medicine clinics, are not. The objective of this study is to explore the mechanisms involved in muscle regeneration after contusion injury. METHODS In this study, a total of 72 mice were used. Eight of them were randomly chosen for the control group, while the rest were subjected to muscle contusion. Subsequently, their gastrocnemius muscles were harvested at different time points. The changes in muscle morphology were assessed by hematoxylin and eosin (HE) stain. In addition, the gene expression was analyzed by real-time polymerase chain reaction. RESULTS The data showed that the expression of many genes, i.e., specific markers of immune cells and satellite cells, regulatory factors for muscle regeneration, cytokines, and chemokines, increased in the early stages of recovery, especially in the first 3 days. Furthermore, there were strict rules in the expression of these genes. However, almost all the genes returned to normal at 14 days post-injury. CONCLUSION The sequence of immune cells invaded after muscle contusion was neutrophils, M1 macrophages and M2 macrophages. Some CC (CCL2, CCL3, and CCL4) and CXC (CXCL10) chemokines may be involved in the chemotaxis of these immune cells. HGF may be the primary factor to activate the satellite cells after muscle contusion. Moreover, 2 weeks are needed to recover when acute contusion happens as used in this study.
Collapse
Affiliation(s)
- Weihua Xiao
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Yu Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
- Department of Exercise Science, Shenyang Sport University, Shenyang 110001, China
| | - Beibei Luo
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Linlin Zhao
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Xiaoguang Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Zhigang Zeng
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Peijie Chen
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| |
Collapse
|
32
|
Customized platelet-rich plasma with transforming growth factor β1 neutralization antibody to reduce fibrosis in skeletal muscle. Biomaterials 2016; 87:147-156. [PMID: 26923362 DOI: 10.1016/j.biomaterials.2016.02.017] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Revised: 02/12/2016] [Accepted: 02/15/2016] [Indexed: 01/18/2023]
Abstract
UNLABELLED The formation of fibrous tissue during the healing of skeletal muscle injuries leads to incomplete recovery of the injured muscle. Platelet-rich-plasma (PRP) contains beneficial growth factors for skeletal muscle repair; however, it also contains deleterious cytokines and growth factors, such as TGF-β1, that can cause fibrosis and inhibit optimal muscle healing. OBJECTIVE To test if neutralizing TGF-β1's action within PRP, through neutralization antibodies, could improve PRP's beneficial effect on skeletal muscle repair. METHODS PRP was isolated from in-bred Fisher rats. TGF-β1 neutralization antibody (Ab) was used to block the TGF-β1 within the PRP prior to injection. The effects of customized PRP (TGF-β1 neutralized PRP) on muscle healing was tested on a cardiotoxin (CTX) induced muscle injury model. RESULTS A significant increase in the numbers of regenerative myofibers was observed in the PRP and customized PRP groups compared to the untreated control. A significant decrease in collagen deposition was observed in customized PRP groups when compared to the control and PRP groups. Significantly enhanced angiogenesis and more Pax-7 positive satellite cells were found in the PRP and customized PRP groups compared to the control group. Macrophage infiltration was increased in the customized PRP groups when compared with the PRP group. More M2 macrophages were recruited to the injury site in the customized PRP groups when compared with the PRP and control groups. CONCLUSION Neutralizing TGF-β1 within PRP significantly promotes muscle regeneration while significantly reducing fibrosis. Not only did the neutralization reduce fibrosis, it enhanced angiogenesis, prolonged satellite cell activation, and recruited a greater number of M2 macrophages to the injury site which also contributed to the efficacy that the customized PRP had on muscle healing.
Collapse
|
33
|
Kafa N, Citaker S, Omeroglu S, Peker T, Coskun N, Diker S. Effects of kinesiologic taping on epidermal–dermal distance, pain, edema and inflammation after experimentally induced soft tissue trauma. Physiother Theory Pract 2015; 31:556-61. [DOI: 10.3109/09593985.2015.1062943] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
|
34
|
Garg K, Corona BT, Walters TJ. Therapeutic strategies for preventing skeletal muscle fibrosis after injury. Front Pharmacol 2015; 6:87. [PMID: 25954202 PMCID: PMC4404830 DOI: 10.3389/fphar.2015.00087] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Accepted: 04/04/2015] [Indexed: 12/11/2022] Open
Abstract
Skeletal muscle repair after injury includes a complex and well-coordinated regenerative response. However, fibrosis often manifests, leading to aberrant regeneration and incomplete functional recovery. Research efforts have focused on the use of anti-fibrotic agents aimed at reducing the fibrotic response and improving functional recovery. While there are a number of mediators involved in the development of post-injury fibrosis, TGF-β1 is the primary pro-fibrogenic growth factor and several agents that inactivate TGF-β1 signaling cascade have emerged as promising anti-fibrotic therapies. A number of these agents are FDA approved for other conditions, clearing the way for rapid translation into clinical treatment. In this article, we provide an overview of muscle's host response to injury with special emphasis on the cellular and non-cellular mediators involved in the development of fibrosis. This article also reviews the findings of several pre-clinical studies that have utilized anti-fibrotic agents to improve muscle healing following most common forms of muscle injuries. Although some studies have shown positive results with anti-fibrotic treatment, others have indicated adverse outcomes. Some concerns and questions regarding the clinical potential of these anti-fibrotic agents have also been presented.
Collapse
Affiliation(s)
- Koyal Garg
- US Army Institute of Surgical Research, Extremity Trauma and Regenerative Medicine Houston, TX, USA
| | - Benjamin T Corona
- US Army Institute of Surgical Research, Extremity Trauma and Regenerative Medicine Houston, TX, USA
| | - Thomas J Walters
- US Army Institute of Surgical Research, Extremity Trauma and Regenerative Medicine Houston, TX, USA
| |
Collapse
|
35
|
Miao Y, Yang J, Xu Z, Jing L, Zhao S, Li X. RNA sequencing identifies upregulated kyphoscoliosis peptidase and phosphatidic acid signaling pathways in muscle hypertrophy generated by transgenic expression of myostatin propeptide. Int J Mol Sci 2015; 16:7976-94. [PMID: 25860951 PMCID: PMC4425062 DOI: 10.3390/ijms16047976] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 03/18/2015] [Accepted: 03/30/2015] [Indexed: 12/14/2022] Open
Abstract
Myostatin (MSTN), a member of the transforming growth factor-β superfamily, plays a crucial negative role in muscle growth. MSTN mutations or inhibitions can dramatically increase muscle mass in most mammal species. Previously, we generated a transgenic mouse model of muscle hypertrophy via the transgenic expression of the MSTN N-terminal propeptide cDNA under the control of the skeletal muscle-specific MLC1 promoter. Here, we compare the mRNA profiles between transgenic mice and wild-type littermate controls with a high-throughput RNA sequencing method. The results show that 132 genes were significantly differentially expressed between transgenic mice and wild-type control mice; 97 of these genes were up-regulated, and 35 genes were down-regulated in the skeletal muscle. Several genes that had not been reported to be involved in muscle hypertrophy were identified, including up-regulated myosin binding protein H (mybph), and zinc metallopeptidase STE24 (Zmpste24). In addition, kyphoscoliosis peptidase (Ky), which plays a vital role in muscle growth, was also up-regulated in the transgenic mice. Interestingly, a pathway analysis based on grouping the differentially expressed genes uncovered that cardiomyopathy-related pathways and phosphatidic acid (PA) pathways (Dgki, Dgkz, Plcd4) were up-regulated. Increased PA signaling may increase mTOR signaling, resulting in skeletal muscle growth. The findings of the RNA sequencing analysis help to understand the molecular mechanisms of muscle hypertrophy caused by MSTN inhibition.
Collapse
Affiliation(s)
- Yuanxin Miao
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
- The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China.
| | - Jinzeng Yang
- Department of Human Nutrition, Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI 96822, USA.
| | - Zhong Xu
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
- The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China.
| | - Lu Jing
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
- The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China.
| | - Shuhong Zhao
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
- The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China.
| | - Xinyun Li
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
- The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China.
| |
Collapse
|
36
|
Abstract
Injuries to the musculoskeletal system are common, debilitating and expensive. In many cases, healing is imperfect, which leads to chronic impairment. Gene transfer might improve repair and regeneration at sites of injury by enabling the local, sustained and potentially regulated expression of therapeutic gene products; such products include morphogens, growth factors and anti-inflammatory agents. Proteins produced endogenously as a result of gene transfer are nascent molecules that have undergone post-translational modification. In addition, gene transfer offers particular advantages for the delivery of products with an intracellular site of action, such as transcription factors and noncoding RNAs, and proteins that need to be inserted into a cell compartment, such as a membrane. Transgenes can be delivered by viral or nonviral vectors via in vivo or ex vivo protocols using progenitor or differentiated cells. The first gene transfer clinical trials for osteoarthritis and cartilage repair have already been completed. Various bone-healing protocols are at an advanced stage of development, including studies with large animals that could lead to human trials. Other applications in the repair and regeneration of skeletal muscle, intervertebral disc, meniscus, ligament and tendon are in preclinical development. In addition to scientific, medical and safety considerations, clinical translation is constrained by social, financial and logistical issues.
Collapse
|
37
|
Andrade BM, Baldanza MR, Ribeiro KC, Porto A, Peçanha R, Fortes FSA, Zapata-Sudo G, Campos-de-Carvalho AC, Goldenberg RCS, Werneck-de-Castro JP. Bone marrow mesenchymal cells improve muscle function in a skeletal muscle re-injury model. PLoS One 2015; 10:e0127561. [PMID: 26039243 PMCID: PMC4454438 DOI: 10.1371/journal.pone.0127561] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 04/16/2015] [Indexed: 02/05/2023] Open
Abstract
Skeletal muscle injury is the most common problem in orthopedic and sports medicine, and severe injury leads to fibrosis and muscle dysfunction. Conventional treatment for successive muscle injury is currently controversial, although new therapies, like cell therapy, seem to be promise. We developed a model of successive injuries in rat to evaluate the therapeutic potential of bone marrow mesenchymal cells (BMMC) injected directly into the injured muscle. Functional and histological assays were performed 14 and 28 days after the injury protocol by isometric tension recording and picrosirius/Hematoxilin & Eosin staining, respectively. We also evaluated the presence and the fate of BMMC on treated muscles; and muscle fiber regeneration. BMMC treatment increased maximal skeletal muscle contraction 14 and 28 days after muscle injury compared to non-treated group (4.5 ± 1.7 vs 2.5 ± 0.98 N/cm2, p<0.05 and 8.4 ± 2.3 vs. 5.7 ± 1.3 N/cm2, p<0.05 respectively). Furthermore, BMMC treatment increased muscle fiber cross-sectional area and the presence of mature muscle fiber 28 days after muscle injury. However, there was no difference in collagen deposition between groups. Immunoassays for cytoskeleton markers of skeletal and smooth muscle cells revealed an apparent integration of the BMMC within the muscle. These data suggest that BMMC transplantation accelerates and improves muscle function recovery in our extensive muscle re-injury model.
Collapse
Affiliation(s)
- Bruno M. Andrade
- Laboratório de Biologia do Exercício, Instituto de Biofísica Carlos Chagas Filho e Escola de Educação Física e Desportos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
- Instituto de Biofísica Carlos Chagas Filho, Centro de Ciências e Saúde, Universidade Federal do Rio de Janeiro, Bloco G, Ilha do Fundão, Rio de Janeiro, RJ, Brasil
| | - Marcelo R. Baldanza
- Laboratório de Biologia do Exercício, Instituto de Biofísica Carlos Chagas Filho e Escola de Educação Física e Desportos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - Karla C. Ribeiro
- Instituto de Biofísica Carlos Chagas Filho, Centro de Ciências e Saúde, Universidade Federal do Rio de Janeiro, Bloco G, Ilha do Fundão, Rio de Janeiro, RJ, Brasil
| | - Anderson Porto
- Laboratório de Biologia do Exercício, Instituto de Biofísica Carlos Chagas Filho e Escola de Educação Física e Desportos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - Ramon Peçanha
- Laboratório de Biologia do Exercício, Instituto de Biofísica Carlos Chagas Filho e Escola de Educação Física e Desportos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - Fabio S. A. Fortes
- Instituto de Biofísica Carlos Chagas Filho, Centro de Ciências e Saúde, Universidade Federal do Rio de Janeiro, Bloco G, Ilha do Fundão, Rio de Janeiro, RJ, Brasil
| | - Gisele Zapata-Sudo
- Departamento de Farmacologia Básica e Clínica, Universidade Federal do Rio de Janeiro, Centro de Ciências e Saúde, Bloco J, Ilha do Fundão, Rio de Janeiro, Brasil
| | - Antonio C. Campos-de-Carvalho
- Instituto de Biofísica Carlos Chagas Filho, Centro de Ciências e Saúde, Universidade Federal do Rio de Janeiro, Bloco G, Ilha do Fundão, Rio de Janeiro, RJ, Brasil
| | - Regina C. S. Goldenberg
- Instituto de Biofísica Carlos Chagas Filho, Centro de Ciências e Saúde, Universidade Federal do Rio de Janeiro, Bloco G, Ilha do Fundão, Rio de Janeiro, RJ, Brasil
| | - João Pedro Werneck-de-Castro
- Laboratório de Biologia do Exercício, Instituto de Biofísica Carlos Chagas Filho e Escola de Educação Física e Desportos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
- * E-mail:
| |
Collapse
|
38
|
Danna NR, Beutel BG, Campbell KA, Bosco JA. Therapeutic approaches to skeletal muscle repair and healing. Sports Health 2014; 6:348-55. [PMID: 24982709 PMCID: PMC4065556 DOI: 10.1177/1941738113512261] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Context: Skeletal muscle is comprised of a highly organized network of cells, neurovascular structures, and connective tissue. Muscle injury is typically followed by a well-orchestrated healing response that consists of the following phases: inflammation, regeneration, and fibrosis. This review presents the mechanisms of action and evidence supporting the effectiveness of various traditional and novel therapies at each phase of the skeletal muscle healing process. Evidence Acquisition: Relevant published articles were identified using MEDLINE (1978-2013). Study Design: Clinical review. Level of Evidence: Level 3. Results: To facilitate muscle healing, surgical techniques involving direct suture repair, as well as the implantation of innovative biologic scaffolds, have been developed. Nonsteroidal anti-inflammatory drugs may be potentially supplanted by nitric oxide and curcumin in modulating the inflammatory pathway. Studies in muscle regeneration have identified stem cells, myogenic factors, and β-agonists capable of enhancing the regenerative capabilities of injured tissue. Furthermore, transforming growth factor-β1 (TGF-β1) and, more recently, myostatin and the rennin-angiotensin system have been implicated in fibrous tissue formation; several antifibrotic agents have demonstrated the ability to disrupt these systems. Conclusion: Effective repair of skeletal muscle after severe injury is unlikely to be achieved with a single intervention. For full functional recovery of muscle there is a need to control inflammation, stimulate regeneration, and limit fibrosis. Strength-of-Recommendation Taxonomy (SORT): B
Collapse
Affiliation(s)
- Natalie R Danna
- Department of Orthopaedic Surgery, NYU Hospital for Joint Diseases, NYU Langone Medical Center, New York, New York
| | - Bryan G Beutel
- Department of Orthopaedic Surgery, NYU Hospital for Joint Diseases, NYU Langone Medical Center, New York, New York
| | - Kirk A Campbell
- Department of Orthopaedic Surgery, NYU Hospital for Joint Diseases, NYU Langone Medical Center, New York, New York
| | - Joseph A Bosco
- Department of Orthopaedic Surgery, NYU Hospital for Joint Diseases, NYU Langone Medical Center, New York, New York
| |
Collapse
|
39
|
Liu X, Kang H, Shahnazari M, Kim H, Wang L, Larm O, Adolfsson L, Nissenson R, Halloran B. A novel mouse model of trauma induced heterotopic ossification. J Orthop Res 2014; 32:183-8. [PMID: 24136593 DOI: 10.1002/jor.22500] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Accepted: 09/17/2013] [Indexed: 02/04/2023]
Abstract
Severe soft tissue trauma is associated with heterotopic ossification (HO), the abnormal deposition of bone at extra-skeletal sites. The pathophysiology of the development of trauma-induced HO remains largely unknown due in part to the lack of appropriate animal models. In this study, we sought to develop a new trauma-induced HO mouse model using muscle impact injury combined with low dose BMP-2. BMP-2 at doses ranging from 0 to 2 µg was injected into quadriceps muscles of adult male C57/BL6 mice. Animals then received a one-time quadriceps impaction injury to mimic the trauma associated with severe injuries. HO was monitored using in vivo microCT scanning at 1, 2, 4, and 8 weeks after treatment. After trauma, the expression of BMP-2, -4, BMP receptor 1, SOX9 and RUNX2 were increased in muscle. Although little or no HO was observed in mice receiving 1 µg BMP-2, combining this dose with muscle trauma produced an abundance of HO. At higher doses of BMP-2, trauma did not augment mineral deposition. These results suggest that BMP-2 signaling can sensitize muscle to trauma-induced HO. They also provide the basis for a new model to study the pathogenesis of trauma-induced HO.
Collapse
Affiliation(s)
- Xuhui Liu
- Department of Veterans Affairs, San Francisco Veterans Affairs Medical Center, 4150 Clement Street, San Francisco, CA, 94404; Department of Orthopedic Surgery, University of California at San Francisco, 500 Parnassus Avenue, San Francisco, CA, 94143
| | | | | | | | | | | | | | | | | |
Collapse
|
40
|
Delos D, Maak TG, Rodeo SA. Muscle injuries in athletes: enhancing recovery through scientific understanding and novel therapies. Sports Health 2014; 5:346-52. [PMID: 24459552 PMCID: PMC3899907 DOI: 10.1177/1941738113480934] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Context: Muscle injuries are extremely common in athletes and often produce pain, dysfunction, and the inability to return to practice or competition. Appropriate diagnosis and management can optimize recovery and minimize time to return to play. Evidence Acquisition: Contemporary papers, both basic science and clinical medicine, that investigate muscle healing were reviewed. A Medline/PubMed search inclusive of years 1948 to 2012 was performed. Results: Diagnosis can usually be made according to history and physical examination for most injuries. Although data are limited, initial conservative management emphasizing the RICE principles and immobilization of the extremity for several days for higher grade injuries are typically all that is required. Injection of corticosteroids may clinically enhance function after an acute muscle strain. Additional adjunctive treatments (nonsteroidal anti-inflammatory drugs, platelet-rich plasma, and others) to enhance muscle healing and limit scar formation show promise but need additional data to better define their roles. Conclusion: Conservative treatment recommendations will typically lead to successful outcomes after a muscle injury. There is limited evidence to support most adjunctive treatments.
Collapse
Affiliation(s)
- Demetris Delos
- Hospital for Special Surgery, Orthopaedic Department, Sports Medicine and Shoulder Service, New York, New York
| | - Travis G Maak
- Hospital for Special Surgery, Orthopaedic Department, Sports Medicine and Shoulder Service, New York, New York
| | - Scott A Rodeo
- Hospital for Special Surgery, Orthopaedic Department, Sports Medicine and Shoulder Service, New York, New York
| |
Collapse
|
41
|
Dekeyser GJ, Clary CR, Otis JS. Chronic alcohol ingestion delays skeletal muscle regeneration following injury. Regen Med Res 2013; 1:2. [PMID: 25984321 PMCID: PMC4376340 DOI: 10.1186/2050-490x-1-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Accepted: 12/21/2012] [Indexed: 12/17/2022] Open
Abstract
Background Chronic alcohol ingestion may cause severe biochemical and pathophysiological derangements to skeletal muscle. Unfortunately, these alcohol-induced events may also prime skeletal muscle for worsened, delayed, or possibly incomplete repair following acute injury. As alcoholics may be at increased risk for skeletal muscle injury, our goals were to identify the effects of chronic alcohol ingestion on components of skeletal muscle regeneration. To accomplish this, age- and gender-matched C57Bl/6 mice were provided normal drinking water or water that contained 20% alcohol (v/v) for 18–20 wk. Subgroups of mice were injected with a 1.2% barium chloride (BaCl2) solution into the tibialis anterior (TA) muscle to initiate degeneration and regeneration processes. Body weights and voluntary wheel running distances were recorded during the course of recovery. Muscles were harvested at 2, 7 or 14 days post-injection and assessed for markers of inflammation and oxidant stress, fiber cross-sectional areas, levels of growth and fibrotic factors, and fibrosis. Results Body weights of injured, alcohol-fed mice were reduced during the first week of recovery. These mice also ran significantly shorter distances over the two weeks following injury compared to uninjured, alcoholics. Injured TA muscles from alcohol-fed mice had increased TNFα and IL6 gene levels compared to controls 2 days after injury. Total protein oxidant stress and alterations to glutathione homeostasis were also evident at 7 and 14 days after injury. Ciliary neurotrophic factor (CNTF) induction was delayed in injured muscles from alcohol-fed mice which may explain, in part, why fiber cross-sectional area failed to normalize 14 days following injury. Gene levels of TGFβ1 were induced early following injury before normalizing in muscle from alcohol-fed mice compared to controls. However, TGFβ1 protein content was consistently elevated in injured muscle regardless of diet. Fibrosis was increased in injured, muscle from alcohol-fed mice at 7 and 14 days of recovery compared to injured controls. Conclusions Chronic alcohol ingestion appears to delay the normal regenerative response following significant skeletal muscle injury. This is evidenced by reduced cross-sectional areas of regenerated fibers, increased fibrosis, and altered temporal expression of well-described growth and fibrotic factors.
Collapse
Affiliation(s)
- Graham J Dekeyser
- Department of Kinesiology and Health, Georgia State University, Atlanta, GA 30322 USA
| | | | - Jeffrey S Otis
- Department of Kinesiology and Health, Georgia State University, Atlanta, GA 30322 USA
| |
Collapse
|
42
|
Souza JD, Gottfried C. Muscle injury: review of experimental models. J Electromyogr Kinesiol 2013; 23:1253-60. [PMID: 24011855 DOI: 10.1016/j.jelekin.2013.07.009] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Revised: 06/03/2013] [Accepted: 07/15/2013] [Indexed: 02/05/2023] Open
Abstract
Skeletal muscle is the most abundant tissue in the human body. Its main characteristic is the capacity to regenerate after injury independent of the cause of injury through a process called inflammatory response. Mechanical injuries are the most common type of the skeletal muscle injuries and are classified into one of three areas strain, contusion, and laceration. First, this review aims to describe and compare the main experimental methods that replicate the mechanical muscle injuries. There are several ways to replicate each kind of mechanical injury; there are, however, specific characteristics that must be taken into account when choosing the most appropriate model for the experiment. Finally, this review discusses the context of mechanical injury considering types, variability of methods, and the ability to reproduce injury models.
Collapse
Affiliation(s)
- Jaqueline de Souza
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Institute of Health's Basic Science. Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil; Course of Physical Therapy, Federal University of Pampa, Uruguaiana, RS, Brazil.
| | | |
Collapse
|
43
|
Terada S, Ota S, Kobayashi M, Kobayashi T, Mifune Y, Takayama K, Witt M, Vadalà G, Oyster N, Otsuka T, Fu FH, Huard J. Use of an antifibrotic agent improves the effect of platelet-rich plasma on muscle healing after injury. J Bone Joint Surg Am 2013; 95:980-8. [PMID: 23780535 DOI: 10.2106/jbjs.l.00266] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Muscle contusions are a common type of muscle injury and are frequently encountered in athletes and military personnel. Although these injuries are capable of healing in most instances, incomplete functional recovery often occurs because of the development of fibrosis in the muscle. We hypothesized that a combination of platelet-rich plasma (PRP) injection and oral administration of losartan (an antifibrotic agent) could enhance muscle healing by stimulating muscle regeneration and angiogenesis and by preventing fibrosis in contusion-injured skeletal muscle. METHODS Contusion injuries were created in the tibialis anterior muscles of mice. Two treatments were tested, alone and in combination: 20 μL of PRP injected into the contusion site one day after injury, and 10 mg/kg/day of losartan administered beginning three days after injury and continuing until the end point of the experiment. Muscle regeneration and fibrosis development were evaluated by histological analysis, and functional recovery was measured by physiological testing. RESULTS Muscle regeneration and muscle function were significantly promoted in the combined PRP + losartan treatment group compared with the other groups. Combined PRP + losartan treatment significantly decreased the expression of phosphorylated Smad2/3 and the development of fibrosis compared with PRP treatment alone, and it increased vascular endothelial growth factor (VEGF) expression and the number of CD31-positive structures compared with losartan treatment alone. Follistatin, a positive regulator of muscle growth, was expressed at a higher level in the PRP + losartan group compared with the other groups. CONCLUSIONS PRP + losartan combinatorial therapy improved overall skeletal muscle healing after muscle contusion injury by enhancing angiogenesis and follistatin expression and by reducing the expression of phosphorylated Smad2/3 and the development of fibrosis. These results suggest that blocking the expression of transforming growth factor (TGF)-β1 with losartan improves the effect of PRP therapy on muscle healing after a contusion injury. CLINICAL RELEVANCE These findings could contribute to the development of biological treatments that aid in the healing of skeletal muscle after injury.
Collapse
Affiliation(s)
- Satoshi Terada
- Stem Cell Research Center, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Bridgeside Point II, Suite 206, 450 Technology Drive, Pittsburgh, PA 15219, USA
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
44
|
Zanotti S, Gibertini S, Savadori P, Mantegazza R, Mora M. Duchenne muscular dystrophy fibroblast nodules: a cell-based assay for screening anti-fibrotic agents. Cell Tissue Res 2013; 352:659-70. [DOI: 10.1007/s00441-013-1601-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Accepted: 02/28/2013] [Indexed: 10/27/2022]
|
45
|
|
46
|
Tsao J, Vernet DA, Gelfand R, Kovanecz I, Nolazco G, Bruhn KW, Gonzalez-Cadavid NF. Myostatin genetic inactivation inhibits myogenesis by muscle-derived stem cells in vitro but not when implanted in the mdx mouse muscle. Stem Cell Res Ther 2013; 4:4. [PMID: 23295128 PMCID: PMC3706886 DOI: 10.1186/scrt152] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Accepted: 01/03/2013] [Indexed: 01/07/2023] Open
Abstract
Introduction Stimulating the commitment of implanted dystrophin+ muscle-derived stem cells (MDSCs) into myogenic, as opposed to lipofibrogenic lineages, is a promising therapeutic strategy for Duchenne muscular dystrophy (DMD). Methods To examine whether counteracting myostatin, a negative regulator of muscle mass and a pro-lipofibrotic factor, would help this process, we compared the in vitro myogenic and fibrogenic capacity of MDSCs from wild-type (WT) and myostatin knockout (Mst KO) mice under various modulators, the expression of key stem cell and myogenic genes, and the capacity of these MDSCs to repair the injured gastrocnemius in aged dystrophic mdx mice with exacerbated lipofibrosis. Results Surprisingly, the potent in vitro myotube formation by WT MDSCs was refractory to modulators of myostatin expression or activity, and the Mst KO MDSCs failed to form myotubes under various conditions, despite both MDSC expressing Oct 4 and various stem cell genes and differentiating into nonmyogenic lineages. The genetic inactivation of myostatin in MDSCs was associated with silencing of critical genes for early myogenesis (Actc1, Acta1, and MyoD). WT MDSCs implanted into the injured gastrocnemius of aged mdx mice significantly improved myofiber repair and reduced fat deposition and, to a lesser extent, fibrosis. In contrast to their in vitro behavior, Mst KO MDSCs in vivo also significantly improved myofiber repair, but had few effects on lipofibrotic degeneration. Conclusions Although WT MDSCs are very myogenic in culture and stimulate muscle repair after injury in the aged mdx mouse, myostatin genetic inactivation blocks myotube formation in vitro, but the myogenic capacity is recovered in vivo under the influence of the myostatin+ host-tissue environment, presumably by reactivation of key genes originally silenced in the Mst KO MDSCs.
Collapse
|
47
|
Kobayashi T, Uehara K, Ota S, Tobita K, Ambrosio F, Cummins JH, Terada S, Fu FH, Huard J. The timing of administration of a clinically relevant dose of losartan influences the healing process after contusion induced muscle injury. J Appl Physiol (1985) 2012; 114:262-73. [PMID: 23154994 DOI: 10.1152/japplphysiol.00140.2011] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Losartan (Los) is a Food and Drug Administration-approved antihypertensive medication that has a well-tolerated side effect profile. We have demonstrated that treatment with Los immediately after injury was effective at promoting muscle healing and inducing an antifibrotic effect in a murine model of skeletal muscle injury. We initially investigated the minimum effective dose of Los administration immediately after injury and subsequently determined whether the timing of administering a clinically relevant dose of Los would influence its effectiveness at improving muscle healing after muscle injury. In the first part of this study, mice were administered 3, 10, 30, or 300 mg·kg(-1)·day(-1) of Los immediately after injury, and the healing process was evaluated histologically and physiologically 4 wk after injury. In the second study, the clinically relevant dose of 10 mg·kg(-1)·day(-1) was administered immediately or started at 3 or 7 days postinjury. The administration of 300 mg·kg(-1)·day(-1) immediately following injury led to a significant increase in muscle regeneration, a significant decrease in fibrosis, and an improvement in muscle function. Moreover, we observed a significant decrease in fibrosis and a significant increase in muscle regeneration at 4 wk postinjury, when the clinically relevant dose of 10 mg·kg(-1)·day(-1) was administered at 3 or 7 days postinjury. Functional evaluation also demonstrated a significant improvement compared with the injured untreated control when Los treatment was initiated 3 days after injury. Our study revealed accelerated muscle healing when the 300 mg·kg(-1)·day(-1) of Los was administered immediately after injury and a clinically relevant dose of 10 mg·kg(-1)·day(-1) of Los was administered at 3 or 7 days postinjury.
Collapse
Affiliation(s)
- Tetsuo Kobayashi
- Stem Cell Research Center, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | | | | | | | | | | | | | | |
Collapse
|
48
|
Elliott B, Renshaw D, Getting S, Mackenzie R. The central role of myostatin in skeletal muscle and whole body homeostasis. Acta Physiol (Oxf) 2012; 205:324-40. [PMID: 22340904 DOI: 10.1111/j.1748-1716.2012.02423.x] [Citation(s) in RCA: 120] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2011] [Revised: 10/04/2011] [Accepted: 01/31/2012] [Indexed: 12/11/2022]
Abstract
Myostatin is a powerful negative regulator of skeletal muscle mass in mammalian species. It plays a key role in skeletal muscle homeostasis and has now been well described since its discovery. Myostatin is capable of inducing muscle atrophy via its inhibition of myoblast proliferation, increasing ubiquitin-proteasomal activity and downregulating activity of the IGF-Akt pathway. These well-recognized effects are seen in multiple atrophy causing situations, including injury, diseases such as cachexia, disuse and space flight, demonstrating the importance of the myostatin signalling mechanism. Based on this central role, significant work has been pursued to inhibit myostatin's actions in vivo. Importantly, several new studies have uncovered roles for myostatin distinct from skeletal muscle size. Myostatin has been suggested to play a role in cardiomyocyte homeostasis, glucose metabolism and adipocyte proliferation, all of which are examined in detail below. Based on these effects, myostatin inhibition has potential to be widely utilized in many Western diseases such as chronic obstructive pulmonary disease, type II diabetes and obesity. However, if myostatin inhibitors are to successfully translate from bench-top to bedside in the near future, awareness must be raised on these non-traditional effects of myostatin away from skeletal muscle. Indeed, further research into these novel areas is required.
Collapse
Affiliation(s)
- B. Elliott
- Infection & Immunity Group; Department of Human & Health Science, School of Life Sciences; University of Westminster; London; UK
| | - D. Renshaw
- Infection & Immunity Group; Department of Human & Health Science, School of Life Sciences; University of Westminster; London; UK
| | - S. Getting
- Infection & Immunity Group; Department of Human & Health Science, School of Life Sciences; University of Westminster; London; UK
| | - R. Mackenzie
- Infection & Immunity Group; Department of Human & Health Science, School of Life Sciences; University of Westminster; London; UK
| |
Collapse
|
49
|
Nozaki M, Ota S, Terada S, Li Y, Uehara K, Gharaibeh B, Fu FH, Huard J. Timing of the administration of suramin treatment after muscle injury. Muscle Nerve 2012; 46:70-9. [DOI: 10.1002/mus.23280] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/08/2011] [Indexed: 11/10/2022]
|
50
|
Baoge L, Van Den Steen E, Rimbaut S, Philips N, Witvrouw E, Almqvist KF, Vanderstraeten G, Vanden Bossche LC. Treatment of skeletal muscle injury: a review. ISRN ORTHOPEDICS 2012; 2012:689012. [PMID: 24977084 PMCID: PMC4063193 DOI: 10.5402/2012/689012] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Accepted: 02/23/2012] [Indexed: 11/23/2022]
Abstract
Skeletal muscle injuries are the most common sports-related injuries and present a challenge in primary care and sports medicine. Most types of muscle injuries would follow three stages: the acute inflammatory and degenerative phase, the repair phase and the remodeling phase. Present conservative treatment includes RICE (rest, ice, compression, elevation), nonsteroidal anti-inflammatory drugs (NSAIDs) and physical therapy. However, if use improper, NSAIDs may suppress an essential inflammatory phase in the healing of injured skeletal muscle. Furthermore, it remains controversial whether or not they have adverse effects on the healing process or on the tensile strength. However, several growth factors might promote the regeneration of injured skeletal muscle, many novel treatments have involved on enhancing complete functional recovery. Exogenous growth factors have been shown to regulate satellite cell proliferation, differentiation and fusion in myotubes in vivo and in vitro, TGF-β1 antagonists behave as inhibitors of TGF-β1. They prevent collagen deposition and block formation of muscle fibrosis, so that a complete functional recovery can be achieved.
Collapse
Affiliation(s)
- L Baoge
- Beijing Tiantan Hospital, Capital Medical University, Beijing Tiantan Xili 6, Beijing 100050, China
| | - E Van Den Steen
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, 9000 Ghent, Belgium
| | - S Rimbaut
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, 9000 Ghent, Belgium
| | - N Philips
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, 9000 Ghent, Belgium
| | - E Witvrouw
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, 9000 Ghent, Belgium
| | - K F Almqvist
- Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, 9000 Ghent, Belgium
| | - G Vanderstraeten
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, 9000 Ghent, Belgium ; Department of Rehabilitation Sciences and Physiotherapy, Ghent University, 9000 Ghent, Belgium
| | - L C Vanden Bossche
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, 9000 Ghent, Belgium
| |
Collapse
|