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Lan XQ, Deng CJ, Wang QQ, Zhao LM, Jiao BW, Xiang Y. The role of TGF-β signaling in muscle atrophy, sarcopenia and cancer cachexia. Gen Comp Endocrinol 2024; 353:114513. [PMID: 38604437 DOI: 10.1016/j.ygcen.2024.114513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/24/2024] [Accepted: 04/03/2024] [Indexed: 04/13/2024]
Abstract
Skeletal muscle, comprising a significant proportion (40 to 50 percent) of total body weight in humans, plays a critical role in maintaining normal physiological conditions. Muscle atrophy occurs when the rate of protein degradation exceeds protein synthesis. Sarcopenia refers to age-related muscle atrophy, while cachexia represents a more complex form of muscle wasting associated with various diseases such as cancer, heart failure, and AIDS. Recent research has highlighted the involvement of signaling pathways, including IGF1-Akt-mTOR, MuRF1-MAFbx, and FOXO, in regulating the delicate balance between muscle protein synthesis and breakdown. Myostatin, a member of the TGF-β superfamily, negatively regulates muscle growth and promotes muscle atrophy by activating Smad2 and Smad3. It also interacts with other signaling pathways in cachexia and sarcopenia. Inhibition of myostatin has emerged as a promising therapeutic approach for sarcopenia and cachexia. Additionally, other TGF-β family members, such as TGF-β1, activin A, and GDF11, have been implicated in the regulation of skeletal muscle mass. Furthermore, myostatin cooperates with these family members to impair muscle differentiation and contribute to muscle loss. This review provides an overview of the significance of myostatin and other TGF-β signaling pathway members in muscular dystrophy, sarcopenia, and cachexia. It also discusses potential novel therapeutic strategies targeting myostatin and TGF-β signaling for the treatment of muscle atrophy.
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Affiliation(s)
- Xin-Qiang Lan
- Metabolic Control and Aging Group, Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Cheng-Jie Deng
- Department of Biochemistry and Molecular Biology, Faculty of Basic Medical Science, Kunming Medical University, Kunming 650500, Yunnan, China
| | - Qi-Quan Wang
- Metabolic Control and Aging Group, Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Li-Min Zhao
- Senescence and Cancer Group, Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, Nanchang 330031, Jiangxi, China
| | - Bao-Wei Jiao
- National Key Laboratory of Genetic Evolution & Animal Models, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
| | - Yang Xiang
- Metabolic Control and Aging Group, Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, Nanchang 330031, Jiangxi, China.
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Smith IC, Chakraborty S, Bourque PR, Sampaio ML, Melkus G, Lochmüller H, Woulfe J, Parks RJ, Brais B, Warman-Chardon J. Emerging and established biomarkers of oculopharyngeal muscular dystrophy. Neuromuscul Disord 2023; 33:824-834. [PMID: 37926637 DOI: 10.1016/j.nmd.2023.09.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 11/07/2023]
Abstract
Oculopharyngeal muscular dystrophy (OPMD) is a rare, primarily autosomal dominant, late onset muscular dystrophy commonly presenting with ptosis, dysphagia, and subsequent weakness of proximal muscles. Although OPMD diagnosis can be confirmed with high confidence by genetic testing, the slow progression of OPMD poses a significant challenge to clinical monitoring and a barrier to assessing the efficacy of treatments during clinical trials. Accordingly, there is a pressing need for more sensitive measures of OPMD progression, particularly those which do not require a muscle biopsy. This review provides an overview of progress in OPMD biomarkers from clinical assessment, quantitative imaging, histological assessments, and genomics, as well as hypothesis-generating "omics" approaches. The ongoing search for biomarkers relevant to OPMD progression needs an integrative, longitudinal approach combining validated and experimental approaches which may include clinical, imaging, demographic, and biochemical assessment methods. A multi-omics approach to biochemical biomarker discovery could help provide context for differences found between individuals with varying levels of disease activity and provide insight into pathomechanisms and prognosis of OPMD.
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Affiliation(s)
- Ian C Smith
- The Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada
| | | | - Pierre R Bourque
- Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; Department of Medicine, The Ottawa Hospital/University of Ottawa, Ottawa, ON K1H 8L6, Canada; Eric Poulin Centre for Neuromuscular Disease, University of Ottawa, Ottawa, ON K1Y 4E9, Canada
| | - Marcos L Sampaio
- Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; Eric Poulin Centre for Neuromuscular Disease, University of Ottawa, Ottawa, ON K1Y 4E9, Canada; Department of Medical Imaging, The Ottawa Hospital, Ottawa, Ontario K1Y 4E9, Canada; Department of Radiology, Radiation Oncology and Medical Physics, University of Ottawa, Ottawa, ON K1H 8L6, Canada
| | - Gerd Melkus
- Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; Eric Poulin Centre for Neuromuscular Disease, University of Ottawa, Ottawa, ON K1Y 4E9, Canada; Department of Medical Imaging, The Ottawa Hospital, Ottawa, Ontario K1Y 4E9, Canada; Department of Physics, Carleton University, Ottawa, ON K1S 5B6, Canada
| | - Hanns Lochmüller
- The Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada; Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; Department of Medicine, The Ottawa Hospital/University of Ottawa, Ottawa, ON K1H 8L6, Canada; Eric Poulin Centre for Neuromuscular Disease, University of Ottawa, Ottawa, ON K1Y 4E9, Canada; Genetics, Children's Hospital of Eastern Ontario, Ottawa, ON K1H 8L1, Canada
| | - John Woulfe
- The Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada; Eric Poulin Centre for Neuromuscular Disease, University of Ottawa, Ottawa, ON K1Y 4E9, Canada; Department of Pathology and Laboratory Medicine, The Ottawa Hospital, Ottawa, ON K1Y 4E9, Canada
| | - Robin J Parks
- The Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada; Department of Medicine, The Ottawa Hospital/University of Ottawa, Ottawa, ON K1H 8L6, Canada; Eric Poulin Centre for Neuromuscular Disease, University of Ottawa, Ottawa, ON K1Y 4E9, Canada
| | - Bernard Brais
- Montreal Neurological Institute and Hospital, McGill University, Montreal, Quebec H3A 2B4, Canada
| | - Jodi Warman-Chardon
- The Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada; Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; Department of Medicine, The Ottawa Hospital/University of Ottawa, Ottawa, ON K1H 8L6, Canada; Eric Poulin Centre for Neuromuscular Disease, University of Ottawa, Ottawa, ON K1Y 4E9, Canada; Genetics, Children's Hospital of Eastern Ontario, Ottawa, ON K1H 8L1, Canada; Montreal Neurological Institute and Hospital, McGill University, Montreal, Quebec H3A 2B4, Canada.
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Lin JZ, Ma JD, Yang LJ, Zou YW, Zhang XP, Pan J, Li QH, Li HG, Yang ZH, Wu T, Zhang Q, Mo YQ, Dai L. Myokine myostatin is a novel predictor of one-year radiographic progression in patients with rheumatoid arthritis: A prospective cohort study. Front Immunol 2022; 13:1005161. [PMID: 36330524 PMCID: PMC9623067 DOI: 10.3389/fimmu.2022.1005161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/05/2022] [Indexed: 11/23/2022] Open
Abstract
Background Associations between rheumatoid arthritis (RA) and reduced skeletal muscle have been studied, and we firstly reported myopenia independently predict one-year radiographic progression in RA. Myokine myostatin can negatively regulate skeletal muscle mass and promote osteoclast differentiation. However, there is no report about their relationships in RA patients. We firstly explored the relationship of serum myostatin and disease characteristics, as well as aggravated joint destruction during one-year follow-up. Methods Consecutive RA patients were recruited from a real-world prospective cohort and completed at least one-year follow-up. Baseline serum level of myostatin was measured by enzyme-linked immunosorbent assay. Clinical data in RA patients as well as muscle index in both RA patients and healthy controls were collected. One-year radiographic progression as primary outcome was defined by a change in the total Sharp/van der Heijde modified score ≥0.5 units. Results Totally 344 RA patients (age 47.9 ± 12.5 years, 84.0% female) and 118 healthy control subjects (age 42.8 ± 11.3 years, 74.6% female) were recruited. Compared with healthy controls, RA patients showed a higher level of serum myostatin at baseline (3.241 ± 1.679 ng/ml vs. 1.717 ± 0.872 ng/ml, P<0.001), although lower appendicular skeletal muscle mass index (ASMI, 6.0 ± 0.9 kg/m2vs. 6.5 ± 1.0 kg/m2, P<0.001). In RA patients, those with high myostatin level showed a higher rate of radiographic progression than low myostatin group (45.3% vs. 18.6%, P<0.001). Furtherly, RA patients were stratified into four subgroups according to serum myostatin and myopenia. Compared with other three subgroups, RA patients with high myostatin overlapping myopenia had the highest rate of radiographic progression (67.2% vs. 10.3%-31.4%, P<0.001), as well as the lowest proportion of remission and the highest rate of physical dysfunction during one-year follow-up. After adjustment for confounding factors, high serum myostatin (AOR=3.451, 95%CI: 2.016-5.905) and myopenia (AOR=2.387, 95%CI: 1.416-4.022) at baseline were risk factors for one-year radiographic progression, especially for those with high myostatin overlapping myopenia (AOR=10.425, 95%CI: 3.959-27.450) as the highest-risk individuals among four subgroups. Significant synergistic interaction effect was observed between high myostatin and myopenia on one-year radiographic progression (AP=66.3%, 95%CI: 43.2%-89.3%). Conclusion Myostatin is a novel predictor of aggravated joint destruction in RA patients which has synergistic interaction with myopenia for predicting value.
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Affiliation(s)
- Jian-Zi Lin
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jian-Da Ma
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Li-Juan Yang
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yao-Wei Zou
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xue-Pei Zhang
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jie Pan
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Qian-Hua Li
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Hong-Gui Li
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Ze-Hong Yang
- Department of Radiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Tao Wu
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Qian Zhang
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Ying-Qian Mo
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- Department of Rheumatology, Shenshan Medical Center, Memorial Hospital of Sun Yat-Sen University, Shanwei, China
- *Correspondence: Ying-Qian Mo, ; Lie Dai,
| | - Lie Dai
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
- *Correspondence: Ying-Qian Mo, ; Lie Dai,
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Abstract
PURPOSE OF REVIEW Recent terminations of clinical trials of myostatin inhibitors in muscular dystrophy have raised questions about the predictiveness of mouse models for this therapeutic strategy. RECENT FINDINGS A variety of myostatin inhibitors have been developed for preclinical and clinical studies. These inhibitors have ameliorated the phenotype of many but not all mouse models of muscular dystrophy. However, randomized double-blinded placebo controlled trials in both pediatric and adult muscular dystrophies have, as of yet, not demonstrated functional improvement. SUMMARY The present article will review the preclinical promise of myostatin inhibitors, the clinical trial experience to date of these inhibitors in muscular dystrophy, and the potential reasons for the lack of observed translation.
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Pham T, Liao R, Labaer J, Guo J. Multiplexed In Situ Protein Profiling with High-Performance Cleavable Fluorescent Tyramide. Molecules 2021; 26:molecules26082206. [PMID: 33921211 PMCID: PMC8070642 DOI: 10.3390/molecules26082206] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/06/2021] [Accepted: 04/08/2021] [Indexed: 12/29/2022] Open
Abstract
Understanding the composition, function and regulation of complex cellular systems requires tools that quantify the expression of multiple proteins at their native cellular context. Here, we report a highly sensitive and accurate protein in situ profiling approach using off-the-shelf antibodies and cleavable fluorescent tyramide (CFT). In each cycle of this method, protein targets are stained with horseradish peroxidase (HRP) conjugated antibodies and CFT. Subsequently, the fluorophores are efficiently cleaved by mild chemical reagents, which simultaneously deactivate HRP. Through reiterative cycles of protein staining, fluorescence imaging, fluorophore cleavage, and HRP deactivation, multiplexed protein quantification in single cells in situ can be achieved. We designed and synthesized the high-performance CFT, and demonstrated that over 95% of the staining signals can be erased by mild chemical reagents while preserving the integrity of the epitopes on protein targets. Applying this method, we explored the protein expression heterogeneity and correlation in a group of genetically identical cells. With the high signal removal efficiency, this approach also enables us to accurately profile proteins in formalin-fixed paraffin-embedded (FFPE) tissues in the order of low to high and also high to low expression levels.
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Affiliation(s)
| | | | | | - Jia Guo
- Correspondence: ; Tel.: +1-480-727-2096
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Yamashita S. Recent Progress in Oculopharyngeal Muscular Dystrophy. J Clin Med 2021; 10:jcm10071375. [PMID: 33805441 PMCID: PMC8036457 DOI: 10.3390/jcm10071375] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/18/2021] [Accepted: 03/26/2021] [Indexed: 12/23/2022] Open
Abstract
Oculopharyngeal muscular dystrophy (OPMD) is a late-onset intractable myopathy, characterized by slowly progressive ptosis, dysphagia, and proximal limb weakness. It is caused by the abnormal expansion of the alanine-encoding (GCN)n trinucleotide repeat in the exon 1 of the polyadenosine (poly[A]) binding protein nuclear 1 gene (11-18 repeats in OPMD instead of the normal 10 repeats). As the disease progresses, the patients gradually develop a feeling of suffocation, regurgitation of food, and aspiration pneumonia, although the initial symptoms and the progression patterns vary among the patients. Autologous myoblast transplantation may provide therapeutic benefits by reducing swallowing problems in these patients. Therefore, it is important to assemble information on such patients for the introduction of effective treatments in nonendemic areas. Herein, we present a concise review of recent progress in clinical and pathological studies of OPMD and introduce an idea for setting up a nation-wide OPMD disease registry in Japan. Since it is important to understand patients' unmet medical needs, realize therapeutically targetable symptoms, and identify indices of therapeutic efficacy, our attempt to establish a unique patient registry of OPMD will be a helpful tool to address these urgent issues.
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Affiliation(s)
- Satoshi Yamashita
- Department of Neurology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto 860-8556, Japan
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Antimyostatin Treatment in Health and Disease: The Story of Great Expectations and Limited Success. Cells 2021; 10:cells10030533. [PMID: 33802348 PMCID: PMC8001237 DOI: 10.3390/cells10030533] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 02/24/2021] [Accepted: 02/26/2021] [Indexed: 12/14/2022] Open
Abstract
In the past 20 years, myostatin, a negative regulator of muscle mass, has attracted attention as a potential therapeutic target in muscular dystrophies and other conditions. Preclinical studies have shown potential for increasing muscular mass and ameliorating the pathological features of dystrophic muscle by the inhibition of myostatin in various ways. However, hardly any clinical trials have proven to translate the promising results from the animal models into patient populations. We present the background for myostatin regulation, clinical and preclinical results and discuss why translation from animal models to patients is difficult. Based on this, we put the clinical relevance of future antimyostatin treatment into perspective.
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Liao R, Mondal M, Nazaroff CD, Mastroeni D, Coleman PD, Labaer J, Guo J. Highly Sensitive and Multiplexed Protein Imaging With Cleavable Fluorescent Tyramide Reveals Human Neuronal Heterogeneity. Front Cell Dev Biol 2021; 8:614624. [PMID: 33585449 PMCID: PMC7874177 DOI: 10.3389/fcell.2020.614624] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 12/09/2020] [Indexed: 12/18/2022] Open
Abstract
The ability to comprehensively profile proteins in intact tissues in situ is crucial for our understanding of health and disease. However, the existing methods suffer from low sensitivity and limited sample throughput. To address these issues, here we present a highly sensitive and multiplexed in situ protein analysis approach using cleavable fluorescent tyramide and off-the-shelf antibodies. Compared with the current methods, this approach enhances the detection sensitivity and reduces the imaging time by 1-2 orders of magnitude, and can potentially detect hundreds of proteins in intact tissues at the optical resolution. Applying this approach, we studied protein expression heterogeneity in a population of genetically identical cells, and performed protein expression correlation analysis to identify co-regulated proteins. We also profiled >6,000 neurons in a human formalin-fixed paraffin-embedded (FFPE) hippocampus tissue. By partitioning these neurons into varied cell clusters based on their multiplexed protein expression profiles, we observed different sub-regions of the hippocampus consist of neurons from distinct clusters.
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Affiliation(s)
- Renjie Liao
- Biodesign Institute & School of Molecular Sciences, Arizona State University, Tempe, AZ, United States
| | - Manas Mondal
- Biodesign Institute & School of Molecular Sciences, Arizona State University, Tempe, AZ, United States
| | - Christopher D. Nazaroff
- Biodesign Institute & School of Molecular Sciences, Arizona State University, Tempe, AZ, United States
- Division of Pulmonary Medicine, Department of Biochemistry and Molecular Biology, Mayo Clinic Arizona, Scottsdale, AZ, United States
| | - Diego Mastroeni
- Arizona State University-Banner Neurodegenerative Disease Research Center, Biodesign Institute and School of Life Sciences, Arizona State University, Tempe, AZ, United States
- L.J. Roberts Center for Alzheimer's Research, Banner Sun Health Research Institute, Sun City, AZ, United States
| | - Paul D. Coleman
- Arizona State University-Banner Neurodegenerative Disease Research Center, Biodesign Institute and School of Life Sciences, Arizona State University, Tempe, AZ, United States
- L.J. Roberts Center for Alzheimer's Research, Banner Sun Health Research Institute, Sun City, AZ, United States
| | - Joshua Labaer
- Biodesign Institute & School of Molecular Sciences, Arizona State University, Tempe, AZ, United States
| | - Jia Guo
- Biodesign Institute & School of Molecular Sciences, Arizona State University, Tempe, AZ, United States
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Liu Q, Gao J, Deng J, Xiao J. Current Studies and Future Directions of Exercise Therapy for Muscle Atrophy Induced by Heart Failure. Front Cardiovasc Med 2020; 7:593429. [PMID: 33195482 PMCID: PMC7644508 DOI: 10.3389/fcvm.2020.593429] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 10/01/2020] [Indexed: 12/12/2022] Open
Abstract
Muscle atrophy is a common complication of heart failure. At present, there is no specific treatment to reverse the course of muscle atrophy. Exercise training, due to the safety and easy operation, is a recommended therapy for muscle atrophy induced by heart failure. However, the patients with muscle atrophy are weak in mobility and may not be able to train for a long time. Therefore, it is necessary to explore novel targets of exercise protection for muscle atrophy, so as to improve the quality of life and survival rate of patients with muscular atrophy induced by heart failure. This article aims to review latest studies, summarize the evidence and limitations, and provide a glimpse into the future of exercise for the treatment of muscle atrophy induced by heart failure. We wish to highlight some important findings about the essential roles of exercise sensors in muscle atrophy induced by heart failure, which might be helpful for searching potential therapeutic targets for muscle wasting induced by heart failure.
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Affiliation(s)
- Qi Liu
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, School of Life Science, Shanghai University, Shanghai, China
| | - Juan Gao
- School of Medicine, Shanghai University, Shanghai, China
| | - Jiali Deng
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, School of Life Science, Shanghai University, Shanghai, China
| | - Junjie Xiao
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, School of Life Science, Shanghai University, Shanghai, China.,School of Medicine, Shanghai University, Shanghai, China
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