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Lee YJ, Jang YN, Han YM, Kim HM, Seo HS, Kim HJ, Jung TW, Jeong JH, Abd El-Aty AM, Jung KO. Aster glehni Extract, Including Caffeoylquinic Acids as the Main Constituents, Induces PPAR β/δ-Dependent Muscle-Type Change and Myogenesis in Apolipoprotein E Knockout Mice. J Med Food 2024. [PMID: 38651680 DOI: 10.1089/jmf.2024.k.0027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024] Open
Abstract
To probe the functions of Aster glehni (AG) extract containing various caffeoylquinic acids on dyslipidemia, obesity, and skeletal muscle-related diseases focused on the roles of skeletal muscle, we measured the levels of biomarkers involved in oxidative phosphorylation and type change of skeletal muscle in C2C12 cells and skeletal muscle tissues from apolipoprotein E knockout (ApoE KO) mice. After AG extract treatment in cell and animal experiments, western blotting, immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA) were used to estimate the levels of proteins that participated in skeletal muscle type change and oxidative phosphorylation. AG extract elevated protein expression of peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α), phosphorylated 5'-AMP-activated protein kinase (p-AMPK), peroxisome proliferator-activated receptor beta/delta (PPARβ/δ), myoblast determination protein 1 (MyoD), and myoglobin in skeletal muscle tissues. Furthermore, it elevated the ATP concentration. However, protein expression of myostatin was decreased by AG treatment. In C2C12 cells, increments of MyoD, myoglobin, myosin, ATP-producing pathway, and differentiation degree by AG were dependent on PPARβ/δ and caffeoylquinic acids. AG extract can contribute to the amelioration of skeletal muscle inactivity and sarcopenia through myogenesis in skeletal muscle tissues from ApoE KO mice, and function of AG extract may be dependent on PPARβ/δ, and the main functional constituents of AG are trans-5-O-caffeoylquinic acid and 3,5-O-dicaffeoylquinic acid. In addition, in skeletal muscle, AG has potent efficacies against dyslipidemia and obesity through the increase of the type 1 muscle fiber content to produce more ATP by oxidative phosphorylation in skeletal muscle tissues from ApoE KO mice.
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Affiliation(s)
- Yong-Jik Lee
- Cardiovascular Center, Korea University Guro Hospital, Seoul, the Republic of Korea
- Department of Pharmacology, Chung-Ang University College of Medicine, Seoul, the Republic of Korea
| | - Yoo-Na Jang
- Cardiovascular Center, Korea University Guro Hospital, Seoul, the Republic of Korea
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, the Republic of Korea
| | - Yoon-Mi Han
- Cardiovascular Center, Korea University Guro Hospital, Seoul, the Republic of Korea
| | - Hyun-Min Kim
- Cardiovascular Center, Korea University Guro Hospital, Seoul, the Republic of Korea
- Department of Medical Science, BK21 Plus KUMS Graduate Program, Korea University College of Medicine, Seoul, the Republic of Korea
| | - Hong Seog Seo
- Cardiovascular Center, Korea University Guro Hospital, Seoul, the Republic of Korea
| | - Hyoung Ja Kim
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul, the Republic of Korea
| | - Tae Woo Jung
- Department of Pharmacology, Chung-Ang University College of Medicine, Seoul, the Republic of Korea
| | - Ji Hoon Jeong
- Department of Pharmacology, Chung-Ang University College of Medicine, Seoul, the Republic of Korea
- Department of Global Innovative Drugs, Graduate School of Chung-Ang University, Seoul, the Republic of Korea
| | - A M Abd El-Aty
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
- Department of Medical Pharmacology, Medical Faculty, Ataturk University, Erzurum, Turkey
| | - Kyung Oh Jung
- Department of Anatomy, Chung-Ang University College of Medicine, Seoul, the Republic of Korea
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Wen C, Wang Q, Gu S, Jin J, Yang N. Emerging perspectives in the gut-muscle axis: The gut microbiota and its metabolites as important modulators of meat quality. Microb Biotechnol 2024; 17:e14361. [PMID: 37902307 PMCID: PMC10832551 DOI: 10.1111/1751-7915.14361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/30/2023] [Accepted: 10/11/2023] [Indexed: 10/31/2023] Open
Abstract
Animal breeding has made great genetic progress in increasing carcass weight and meat yield in recent decades. However, these improvements have come at the expense of meat quality. As the demand for meat quantity continues to rise, the meat industry faces the great challenge of maintaining and even increasing product quality. Recent research, including traditional statistical analyses and gut microbiota regulation research, has demonstrated that the gut microbiome exerts a considerable effect on meat quality, which has become increasingly intriguing in farm animals. Microbial metabolites play crucial roles as substrates or signalling factors to distant organs, influencing meat quality either beneficially or detrimentally. Interventions targeting the gut microbiota exhibit excellent potential as natural ways to foster the conversion of myofibres and promote intramuscular fat deposition. Here, we highlight the emerging roles of the gut microbiota in various dimensions of meat quality. We focus particularly on the effects of the gut microbiota and gut-derived molecules on muscle fibre metabolism and intramuscular fat deposition and attempt to summarize the potential underlying mechanisms.
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Affiliation(s)
- Chaoliang Wen
- State Key Laboratory of Animal Biotech Breeding and Frontier Science Center for Molecular Design BreedingChina Agricultural UniversityBeijingChina
- National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural AffairsChina Agricultural UniversityBeijingChina
- Department of Animal Genetics and Breeding, College of Animal Science and TechnologyChina Agricultural UniversityBeijingChina
- Sanya Institute of China Agricultural UniversityHainanChina
| | - Qunpu Wang
- State Key Laboratory of Animal Biotech Breeding and Frontier Science Center for Molecular Design BreedingChina Agricultural UniversityBeijingChina
- National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural AffairsChina Agricultural UniversityBeijingChina
- Department of Animal Genetics and Breeding, College of Animal Science and TechnologyChina Agricultural UniversityBeijingChina
| | - Shuang Gu
- State Key Laboratory of Animal Biotech Breeding and Frontier Science Center for Molecular Design BreedingChina Agricultural UniversityBeijingChina
- National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural AffairsChina Agricultural UniversityBeijingChina
- Department of Animal Genetics and Breeding, College of Animal Science and TechnologyChina Agricultural UniversityBeijingChina
| | - Jiaming Jin
- State Key Laboratory of Animal Biotech Breeding and Frontier Science Center for Molecular Design BreedingChina Agricultural UniversityBeijingChina
- National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural AffairsChina Agricultural UniversityBeijingChina
- Department of Animal Genetics and Breeding, College of Animal Science and TechnologyChina Agricultural UniversityBeijingChina
| | - Ning Yang
- State Key Laboratory of Animal Biotech Breeding and Frontier Science Center for Molecular Design BreedingChina Agricultural UniversityBeijingChina
- National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural AffairsChina Agricultural UniversityBeijingChina
- Department of Animal Genetics and Breeding, College of Animal Science and TechnologyChina Agricultural UniversityBeijingChina
- Sanya Institute of China Agricultural UniversityHainanChina
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Kumar A, Narkar VA. Nuclear receptors as potential therapeutic targets in peripheral arterial disease and related myopathy. FEBS J 2023; 290:4596-4613. [PMID: 35942640 PMCID: PMC9908775 DOI: 10.1111/febs.16593] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/28/2022] [Accepted: 08/08/2022] [Indexed: 12/31/2022]
Abstract
Peripheral arterial disease (PAD) is a prevalent cardiovascular complication of limb vascular insufficiency, causing ischemic injury, mitochondrial metabolic damage and functional impairment in the skeletal muscle, and ultimately leading to immobility and mortality. While potential therapies have been mostly focussed on revascularization, none of the currently available pharmacological treatments are fully effective in PAD, often leading to amputations, particularly in chronic metabolic diseases. One major limitation of focussed angiogenesis and revascularization as a therapeutic strategy is a limited effect on metabolic restoration and muscle regeneration in the affected limb. Therefore, additional preclinical investigations are needed to discover novel treatment options for PAD preferably targeting multiple aspects of muscle recovery. In this review, we propose nuclear receptors expressed in the skeletal muscle as potential candidates for ischemic muscle repair in PAD. We review classic steroid and orphan receptors that have been reported to be involved in the regulation of paracrine muscle angiogenesis, oxidative metabolism, mitochondrial biogenesis and muscle regeneration, and discuss how these receptors could be critical for recovery from ischemic muscle damage. Furthermore, we identify existing gaps in our understanding of nuclear receptor signalling in the skeletal muscle and propose future areas of research that could be instrumental in exploring nuclear receptors as therapeutic candidates for treating PAD.
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Affiliation(s)
- Ashok Kumar
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX 77204
| | - Vihang A. Narkar
- Brown Foundation Institute of Molecular Medicine, UTHealth McGovern Medical School, Houston, TX, 77030
- University of Texas MD Anderson and UTHealth Graduate School of Biomedical Sciences, Houston, TX, 77030
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Molecular mechanisms of exercise contributing to tissue regeneration. Signal Transduct Target Ther 2022; 7:383. [PMID: 36446784 PMCID: PMC9709153 DOI: 10.1038/s41392-022-01233-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 10/03/2022] [Accepted: 10/17/2022] [Indexed: 12/03/2022] Open
Abstract
Physical activity has been known as an essential element to promote human health for centuries. Thus, exercise intervention is encouraged to battle against sedentary lifestyle. Recent rapid advances in molecular biotechnology have demonstrated that both endurance and resistance exercise training, two traditional types of exercise, trigger a series of physiological responses, unraveling the mechanisms of exercise regulating on the human body. Therefore, exercise has been expected as a candidate approach of alleviating a wide range of diseases, such as metabolic diseases, neurodegenerative disorders, tumors, and cardiovascular diseases. In particular, the capacity of exercise to promote tissue regeneration has attracted the attention of many researchers in recent decades. Since most adult human organs have a weak regenerative capacity, it is currently a key challenge in regenerative medicine to improve the efficiency of tissue regeneration. As research progresses, exercise-induced tissue regeneration seems to provide a novel approach for fighting against injury or senescence, establishing strong theoretical basis for more and more "exercise mimetics." These drugs are acting as the pharmaceutical alternatives of those individuals who cannot experience the benefits of exercise. Here, we comprehensively provide a description of the benefits of exercise on tissue regeneration in diverse organs, mainly focusing on musculoskeletal system, cardiovascular system, and nervous system. We also discuss the underlying molecular mechanisms associated with the regenerative effects of exercise and emerging therapeutic exercise mimetics for regeneration, as well as the associated opportunities and challenges. We aim to describe an integrated perspective on the current advances of distinct physiological mechanisms associated with exercise-induced tissue regeneration on various organs and facilitate the development of drugs that mimics the benefits of exercise.
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Li G, Jin B, Fan Z. Mechanisms Involved in Gut Microbiota Regulation of Skeletal Muscle. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2151191. [PMID: 35633886 PMCID: PMC9132697 DOI: 10.1155/2022/2151191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/03/2022] [Indexed: 12/12/2022]
Abstract
Skeletal muscle is one of the largest organs in the body and is essential for maintaining quality of life. Loss of skeletal muscle mass and function can lead to a range of adverse consequences. The gut microbiota can interact with skeletal muscle by regulating a variety of processes that affect host physiology, including inflammatory immunity, protein anabolism, energy, lipids, neuromuscular connectivity, oxidative stress, mitochondrial function, and endocrine and insulin resistance. It is proposed that the gut microbiota plays a role in the direction of skeletal muscle mass and work. Even though the notion of the gut microbiota-muscle axis (gut-muscle axis) has been postulated, its causal link is still unknown. The impact of the gut microbiota on skeletal muscle function and quality is described in detail in this review.
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Affiliation(s)
- Guangyao Li
- Department of General Surgery, The Third People's Hospital of Dalian, Dalian Medical University, Dalian, China
- Department of Central Laboratory, The Third People's Hospital of Dalian, Dalian Medical University, Dalian, China
| | - Binghui Jin
- Department of General Surgery, The Third People's Hospital of Dalian, Dalian Medical University, Dalian, China
- Department of Central Laboratory, The Third People's Hospital of Dalian, Dalian Medical University, Dalian, China
| | - Zhe Fan
- Department of General Surgery, The Third People's Hospital of Dalian, Dalian Medical University, Dalian, China
- Department of Central Laboratory, The Third People's Hospital of Dalian, Dalian Medical University, Dalian, China
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Nuclear Receptors in Energy Metabolism. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1390:61-82. [DOI: 10.1007/978-3-031-11836-4_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Manickam R, Duszka K, Wahli W. PPARs and Microbiota in Skeletal Muscle Health and Wasting. Int J Mol Sci 2020; 21:ijms21218056. [PMID: 33137899 PMCID: PMC7662636 DOI: 10.3390/ijms21218056] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 10/24/2020] [Accepted: 10/26/2020] [Indexed: 02/06/2023] Open
Abstract
Skeletal muscle is a major metabolic organ that uses mostly glucose and lipids for energy production and has the capacity to remodel itself in response to exercise and fasting. Skeletal muscle wasting occurs in many diseases and during aging. Muscle wasting is often accompanied by chronic low-grade inflammation associated to inter- and intra-muscular fat deposition. During aging, muscle wasting is advanced due to increased movement disorders, as a result of restricted physical exercise, frailty, and the pain associated with arthritis. Muscle atrophy is characterized by increased protein degradation, where the ubiquitin-proteasomal and autophagy-lysosomal pathways, atrogenes, and growth factor signaling all play an important role. Peroxisome proliferator-activated receptors (PPARs) are members of the nuclear receptor family of transcription factors, which are activated by fatty acids and their derivatives. PPARs regulate genes that are involved in development, metabolism, inflammation, and many cellular processes in different organs. PPARs are also expressed in muscle and exert pleiotropic specialized responses upon activation by their ligands. There are three PPAR isotypes, viz., PPARα, -β/δ, and -γ. The expression of PPARα is high in tissues with effective fatty acid catabolism, including skeletal muscle. PPARβ/δ is expressed more ubiquitously and is the predominant isotype in skeletal muscle. It is involved in energy metabolism, mitochondrial biogenesis, and fiber-type switching. The expression of PPARγ is high in adipocytes, but it is also implicated in lipid deposition in muscle and other organs. Collectively, all three PPAR isotypes have a major impact on muscle homeostasis either directly or indirectly. Furthermore, reciprocal interactions have been found between PPARs and the gut microbiota along the gut–muscle axis in both health and disease. Herein, we review functions of PPARs in skeletal muscle and their interaction with the gut microbiota in the context of muscle wasting.
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Affiliation(s)
- Ravikumar Manickam
- Department of Pharmaceutical Sciences, University of South Florida, 12901 Bruce B. Downs Blvd., Tampa, FL 33612, USA;
| | - Kalina Duszka
- Department of Nutritional Sciences, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria;
| | - Walter Wahli
- Center for Integrative Genomics, University of Lausanne, Le Génopode, CH-1015 Lausanne, Switzerland
- Toxalim, INRAE, Chemin de Tournefeuille 180, F-31027 Toulouse, France
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Clinical Sciences Building, 11 Mandalay Road, Singapore 308232, Singapore
- Correspondence:
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8
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Jiang H, Yang F, Lin T, Shao W, Meng Y, Ma J, Wang C, Gao R, Zhou X. Asymmetric expression of H19 and ADIPOQ in concave/convex paravertebral muscles is associated with severe adolescent idiopathic scoliosis. Mol Med 2018; 24:48. [PMID: 30241458 PMCID: PMC6145194 DOI: 10.1186/s10020-018-0049-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 09/10/2018] [Indexed: 12/19/2022] Open
Abstract
Background Adolescent idiopathic scoliosis (AIS) is the most common paediatric spinal deformity. The etiology and pathology of AIS remain unexplained, and have been reported to involve a combination of genetic and epigenetic factors. Since paravertebral muscle imbalance plays an important role in the onset and progression of scoliosis, we aimed to investigate transcriptomic differences by RNA-seq and identify significantly differentially expressed transcripts in two sides of paravertebral muscle in AIS. Methods RNA-seq was performed on 5 pairs of paravertebral muscle from 5 AIS patients. Significantly differentially expressed transcripts were validated by quantitative reverse polymerase chain reaction. Gene expression difference was correlated to clinical characteristics. Results We demonstrated that ADIPOQ mRNA and H19 is significantly differentially expressed between two sides of paravertebral muscle, relatively specific in the context of AIS. Relatively low H19 and high ADIPOQ mRNA expression levels in concave-sided muscle are associated with larger spinal curve and earlier age at initiation. We identified miR-675-5p encoded by H19 as a mechanistic regulator of ADIPOQ expression in AIS. We demonstrated that significantly reduced CCCTC-binding factor (CCTF) occupancy in the imprinting control region (ICR) of the H19 gene in the concave-sided muscle contributes to down-regulated H19 expression. Conclusions RNA-seq revealed transcriptomic differences between two sides of paravertebral muscle in AIS patients. Our findings imply that transcriptomic differences caused by epigenetic factors in affected individuals may account for the structural and functional imbalance of paravertebral muscle, which can expand our etiologic understanding of this disease. Electronic supplementary material The online version of this article (10.1186/s10020-018-0049-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Heng Jiang
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, No.415 Fengyang Road, Shanghai, People's Republic of China
| | - Fu Yang
- Department of Medical Genetics, Second Military Medical University, Shanghai, People's Republic of China.,Shanghai Key Laboratory of Cell Engineering (14DZ2272300), Shanghai, People's Republic of China
| | - Tao Lin
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, No.415 Fengyang Road, Shanghai, People's Republic of China
| | - Wei Shao
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, No.415 Fengyang Road, Shanghai, People's Republic of China
| | - Yichen Meng
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, No.415 Fengyang Road, Shanghai, People's Republic of China
| | - Jun Ma
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, No.415 Fengyang Road, Shanghai, People's Republic of China
| | - Ce Wang
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, No.415 Fengyang Road, Shanghai, People's Republic of China
| | - Rui Gao
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, No.415 Fengyang Road, Shanghai, People's Republic of China.
| | - Xuhui Zhou
- Department of Orthopedics, Changzheng Hospital, Second Military Medical University, No.415 Fengyang Road, Shanghai, People's Republic of China.
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PPARγ Controls Ectopic Adipogenesis and Cross-Talks with Myogenesis During Skeletal Muscle Regeneration. Int J Mol Sci 2018; 19:ijms19072044. [PMID: 30011852 PMCID: PMC6073847 DOI: 10.3390/ijms19072044] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 07/06/2018] [Accepted: 07/09/2018] [Indexed: 12/22/2022] Open
Abstract
Skeletal muscle is a regenerative tissue which can repair damaged myofibers through the activation of tissue-resident muscle stem cells (MuSCs). Many muscle diseases with impaired regeneration cause excessive adipose tissue accumulation in muscle, alter the myogenic fate of MuSCs, and deregulate the cross-talk between MuSCs and fibro/adipogenic progenitors (FAPs), a bi-potent cell population which supports myogenesis and controls intra-muscular fibrosis and adipocyte formation. In order to better characterize the interaction between adipogenesis and myogenesis, we studied muscle regeneration and MuSC function in whole body Pparg null mice generated by epiblast-specific Cre/lox deletion (PpargΔ/Δ). We demonstrate that deletion of PPARγ completely abolishes ectopic muscle adipogenesis during regeneration and impairs MuSC expansion and myogenesis after injury. Ex vivo assays revealed that perturbed myogenesis in PpargΔ/Δ mice does not primarily result from intrinsic defects of MuSCs or from perturbed myogenic support from FAPs. The immune transition from a pro- to anti-inflammatory MuSC niche during regeneration is perturbed in PpargΔ/Δ mice and suggests that PPARγ signaling in macrophages can interact with ectopic adipogenesis and influence muscle regeneration. Altogether, our study demonstrates that a PPARγ-dependent adipogenic response regulates muscle fat infiltration during regeneration and that PPARγ is required for MuSC function and efficient muscle repair.
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10
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PPARβ/δ: Linking Metabolism to Regeneration. Int J Mol Sci 2018; 19:ijms19072013. [PMID: 29996502 PMCID: PMC6073704 DOI: 10.3390/ijms19072013] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 06/29/2018] [Accepted: 07/05/2018] [Indexed: 01/10/2023] Open
Abstract
In contrast to the general belief that regeneration is a rare event, mainly occurring in simple organisms, the ability of regeneration is widely distributed in the animal kingdom. Yet, the efficiency and extent of regeneration varies greatly. Humans can recover from blood loss as well as damage to tissues like bone and liver. Yet damage to the heart and brain cannot be reversed, resulting in scaring. Thus, there is a great interest in understanding the molecular mechanisms of naturally occurring regeneration and to apply this knowledge to repair human organs. During regeneration, injury-activated immune cells induce wound healing, extracellular matrix remodeling, migration, dedifferentiation and/or proliferation with subsequent differentiation of somatic or stem cells. An anti-inflammatory response stops the regenerative process, which ends with tissue remodeling to achieve the original functional state. Notably, many of these processes are associated with enhanced glycolysis. Therefore, peroxisome proliferator-activated receptor (PPAR) β/δ—which is known to be involved for example in lipid catabolism, glucose homeostasis, inflammation, survival, proliferation, differentiation, as well as mammalian regeneration of the skin, bone and liver—appears to be a promising target to promote mammalian regeneration. This review summarizes our current knowledge of PPARβ/δ in processes associated with wound healing and regeneration.
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11
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An aPPARent Functional Consequence in Skeletal Muscle Physiology via Peroxisome Proliferator-Activated Receptors. Int J Mol Sci 2018; 19:ijms19051425. [PMID: 29747466 PMCID: PMC5983589 DOI: 10.3390/ijms19051425] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 05/05/2018] [Accepted: 05/08/2018] [Indexed: 12/12/2022] Open
Abstract
Skeletal muscle comprises 30–40% of the total body mass and plays a central role in energy homeostasis in the body. The deregulation of energy homeostasis is a common underlying characteristic of metabolic syndrome. Over the past decades, peroxisome proliferator-activated receptors (PPARs) have been shown to play critical regulatory roles in skeletal muscle. The three family members of PPAR have overlapping roles that contribute to the myriad of processes in skeletal muscle. This review aims to provide an overview of the functions of different PPAR members in energy homeostasis as well as during skeletal muscle metabolic disorders, with a particular focus on human and relevant mouse model studies.
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12
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Potential Roles of n-3 PUFAs during Skeletal Muscle Growth and Regeneration. Nutrients 2018; 10:nu10030309. [PMID: 29510597 PMCID: PMC5872727 DOI: 10.3390/nu10030309] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 03/01/2018] [Accepted: 03/02/2018] [Indexed: 01/06/2023] Open
Abstract
Omega-3 polyunsaturated fatty acids (n-3 PUFAs), which are commonly found in fish oil supplements, are known to possess anti-inflammatory properties and more recently alter skeletal muscle function. In this review, we discuss novel findings related to how n-3 PUFAs modulate molecular signaling responsible for growth and hypertrophy as well as the activity of muscle stem cells. Muscle stem cells commonly known as satellite cells, are primarily responsible for driving the skeletal muscle repair process to potentially damaging stimuli, such as mechanical stress elicited by exercise contraction. To date, there is a paucity of human investigations related to the effects of n-3 PUFAs on satellite cell content and activity. Based on current in vitro investigations, this review focuses on novel mechanisms linking n-3 PUFA’s to satellite cell activity and how they may improve muscle repair. Understanding the role of n-3 PUFAs during muscle growth and regeneration in association with exercise could lead to the development of novel supplementation strategies that increase muscle mass and strength, therefore possibly reducing the burden of muscle wasting with age.
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Xie X, Wu SP, Tsai MJ, Tsai S. The Role of COUP-TFII in Striated Muscle Development and Disease. Curr Top Dev Biol 2017; 125:375-403. [PMID: 28527579 DOI: 10.1016/bs.ctdb.2016.12.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Skeletal and cardiac muscles are the only striated muscles in the body. Although sharing many structural and functional similarities, skeletal and cardiac muscles have intrinsic differences in terms of physiology and regenerative potential. While skeletal muscle possesses a robust regenerative response, the mammalian heart has limited repair capacity after birth. In this review, we provide an updated view regarding chicken ovalbumin upstream promoter-transcription factor II (COUP-TFII) function in vertebrate myogenesis, with particular emphasis on the skeletal and cardiac muscles. We also highlight the new insights of COUP-TFII hyperactivity underlying striated muscle dysfunction. Lastly, we discuss the challenges and strategies in translating COUP-TFII action for clinical intervention.
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Affiliation(s)
- Xin Xie
- Baylor College of Medicine, Houston, TX, United States
| | - San-Pin Wu
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institute of Health, Research Triangle Park, NC, United States
| | - Ming-Jer Tsai
- Baylor College of Medicine, Houston, TX, United States; Program in Developmental Biology, Baylor College of Medicine, Houston, TX, United States.
| | - Sophia Tsai
- Baylor College of Medicine, Houston, TX, United States; Program in Developmental Biology, Baylor College of Medicine, Houston, TX, United States.
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Mothe-Satney I, Piquet J, Murdaca J, Sibille B, Grimaldi PA, Neels JG, Rousseau AS. Peroxisome Proliferator Activated Receptor Beta (PPARβ) activity increases the immune response and shortens the early phases of skeletal muscle regeneration. Biochimie 2016; 136:33-41. [PMID: 27939528 DOI: 10.1016/j.biochi.2016.12.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 11/29/2016] [Accepted: 12/02/2016] [Indexed: 12/31/2022]
Abstract
Peroxisome Proliferator-Activated Receptor Beta (PPARβ) is a transcription factor playing an important role in both muscle myogenesis and remodeling, and in inflammation. However, its role in the coordination of the transient muscle inflammation and reparation process following muscle injury has not yet been fully determined. We postulated that activation of the PPARβ pathway alters the early phase of the muscle regeneration process, i.e. when immune cells infiltrate in injured muscle. Tibialis anteriors of C57BL6/J mice treated or not with the PPARβ agonist GW0742 were injected with cardiotoxin (or with physiological serum for the contralateral muscle). Muscle regeneration was monitored on days 4, 7, and 14 post-injury. We found that treatment of mice with GW0742 increased, at day 4 post-damage, the recruitment of immune cells (M1 and M2 macrophages) and upregulated the expression of the anti-inflammatory cytokine IL-10 and TGF-β mRNA. Those effects were accompanied by a significant increase at day 4 of myogenic regulatory factors (Pax7, MyoD, Myf5, Myogenin) mRNA in GW0742-treated mice. However, we showed an earlier return (7 days vs 14 days) of Myf5 and Myogenin to basal levels in GW0742- compared to DMSO-treated mice. Differential effects of GW0742 observed during the regeneration were associated with variations of PPARβ pathway activity. Collectively, our findings indicate that PPARβ pathway activity shortens the early phases of skeletal muscle regeneration by increasing the immune response.
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Affiliation(s)
| | | | | | | | | | - Jaap G Neels
- Université Côte d'Azur, Inserm, C3M, Nice, France
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Roles of Peroxisome Proliferator-Activated Receptor β/δ in skeletal muscle physiology. Biochimie 2016; 136:42-48. [PMID: 27916646 DOI: 10.1016/j.biochi.2016.11.010] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 11/21/2016] [Indexed: 02/07/2023]
Abstract
More than two decades of studying Peroxisome Proliferator-Activated Receptors (PPARs) has led to an understanding of their implications in various physiological processes that are key for health and disease. All three PPAR isotypes, PPARα, PPARβ/δ, and PPARγ, are activated by a variety of molecules, including fatty acids, eicosanoids and phospholipids, and regulate a spectrum of genes involved in development, lipid and carbohydrate metabolism, inflammation, and proliferation and differentiation of many cell types in different tissues. The hypolipidemic and antidiabetic functions of PPARα and PPARγ in response to fibrate and thiazolidinedione treatment, respectively, are well documented. However, until more recently the functions of PPARβ/δ were less well defined, but are now becoming more recognized in fatty acid metabolism, energy expenditure, and tissue repair. Skeletal muscle is an active metabolic organ with high plasticity for adaptive responses to varying conditions such as fasting or physical exercise. It is the major site of energy expenditure resulting from lipid and glucose catabolism. Here, we review the multifaceted roles of PPARβ/δ in skeletal muscle physiology.
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Lee SJ, Go GY, Yoo M, Kim YK, Seo DW, Kang JS, Bae GU. Peroxisome proliferator-activated receptor β/δ (PPARβ/δ) activates promyogenic signaling pathways, thereby promoting myoblast differentiation. Biochem Biophys Res Commun 2016; 470:157-162. [DOI: 10.1016/j.bbrc.2016.01.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 01/04/2016] [Indexed: 11/25/2022]
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Leikina E, Defour A, Melikov K, Van der Meulen JH, Nagaraju K, Bhuvanendran S, Gebert C, Pfeifer K, Chernomordik LV, Jaiswal JK. Annexin A1 Deficiency does not Affect Myofiber Repair but Delays Regeneration of Injured Muscles. Sci Rep 2015; 5:18246. [PMID: 26667898 PMCID: PMC4678367 DOI: 10.1038/srep18246] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 11/13/2015] [Indexed: 12/28/2022] Open
Abstract
Repair and regeneration of the injured skeletal myofiber involves fusion of intracellular vesicles with sarcolemma and fusion of the muscle progenitor cells respectively. In vitro experiments have identified involvement of Annexin A1 (Anx A1) in both these fusion processes. To determine if Anx A1 contributes to these processes during muscle repair in vivo, we have assessed muscle growth and repair in Anx A1-deficient mouse (AnxA1-/-). We found that the lack of Anx A1 does not affect the muscle size and repair of myofibers following focal sarcolemmal injury and lengthening contraction injury. However, the lack of Anx A1 delayed muscle regeneration after notexin-induced injury. This delay in muscle regeneration was not caused by a slowdown in proliferation and differentiation of satellite cells. Instead, lack of Anx A1 lowered the proportion of differentiating myoblasts that managed to fuse with the injured myofibers by days 5 and 7 after notexin injury as compared to the wild type (w.t.) mice. Despite this early slowdown in fusion of Anx A1-/- myoblasts, regeneration caught up at later times post injury. These results establish in vivo role of Anx A1 in cell fusion required for myofiber regeneration and not in intracellular vesicle fusion needed for repair of myofiber sarcolemma.
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Affiliation(s)
- Evgenia Leikina
- Section on Membrane Biology, Program of Physical Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bldg. 10/Rm. 10D05, 10 Center Dr. Bethesda, Maryland 20892-1855, USA
| | - Aurelia Defour
- Children's National Medical Center, Center for Genetic Medicine Research, 111 Michigan Avenue, NW, Washington DC 20010-2970, USA
| | - Kamran Melikov
- Section on Membrane Biology, Program of Physical Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bldg. 10/Rm. 10D05, 10 Center Dr. Bethesda, Maryland 20892-1855, USA
| | - Jack H Van der Meulen
- Children's National Medical Center, Center for Genetic Medicine Research, 111 Michigan Avenue, NW, Washington DC 20010-2970, USA
| | - Kanneboyina Nagaraju
- Children's National Medical Center, Center for Genetic Medicine Research, 111 Michigan Avenue, NW, Washington DC 20010-2970, USA.,Department of Integrative Systems Biology, George Washington University School of Medicine and Health Sciences, Washington DC, USA
| | - Shivaprasad Bhuvanendran
- Children's National Medical Center, Center for Genetic Medicine Research, 111 Michigan Avenue, NW, Washington DC 20010-2970, USA
| | - Claudia Gebert
- Section on Genome Imprinting, Program on Genomics of Differentiation, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, USA
| | - Karl Pfeifer
- Section on Genome Imprinting, Program on Genomics of Differentiation, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, USA
| | - Leonid V Chernomordik
- Section on Membrane Biology, Program of Physical Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bldg. 10/Rm. 10D05, 10 Center Dr. Bethesda, Maryland 20892-1855, USA
| | - Jyoti K Jaiswal
- Children's National Medical Center, Center for Genetic Medicine Research, 111 Michigan Avenue, NW, Washington DC 20010-2970, USA.,Department of Integrative Systems Biology, George Washington University School of Medicine and Health Sciences, Washington DC, USA
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