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Powers SK, Radak Z, Ji LL, Jackson M. Reactive oxygen species promote endurance exercise-induced adaptations in skeletal muscles. JOURNAL OF SPORT AND HEALTH SCIENCE 2024; 13:780-792. [PMID: 38719184 PMCID: PMC11336304 DOI: 10.1016/j.jshs.2024.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 10/26/2023] [Accepted: 11/09/2023] [Indexed: 05/22/2024]
Abstract
The discovery that contracting skeletal muscle generates reactive oxygen species (ROS) was first reported over 40 years ago. The prevailing view in the 1980s was that exercise-induced ROS production promotes oxidation of proteins and lipids resulting in muscle damage. However, a paradigm shift occurred in the 1990s as growing research revealed that ROS are signaling molecules, capable of activating transcriptional activators/coactivators and promoting exercise-induced muscle adaptation. Growing evidence supports the notion that reduction-oxidation (redox) signaling pathways play an important role in the muscle remodeling that occurs in response to endurance exercise training. This review examines the specific role that redox signaling plays in this endurance exercise-induced skeletal muscle adaptation. We begin with a discussion of the primary sites of ROS production in contracting muscle fibers followed by a summary of the antioxidant enzymes involved in the regulation of ROS levels in the cell. We then discuss which redox-sensitive signaling pathways promote endurance exercise-induced muscle adaptation and debate the strength of the evidence supporting the notion that redox signaling plays an essential role in muscle adaptation to endurance exercise training. In hopes of stimulating future research, we highlight several important unanswered questions in this field.
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Affiliation(s)
- Scott K Powers
- Department of Applied Physiology, University of Florida, Gainesville, FL 32608, USA.
| | - Zsolt Radak
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest 1123, Hungary
| | - Li Li Ji
- Department of Kinesiology, University of Minnesota, St. Paul, MN 55455, USA
| | - Malcolm Jackson
- Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, UK
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2
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Zhou Y, Zhang X, Baker JS, Davison GW, Yan X. Redox signaling and skeletal muscle adaptation during aerobic exercise. iScience 2024; 27:109643. [PMID: 38650987 PMCID: PMC11033207 DOI: 10.1016/j.isci.2024.109643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024] Open
Abstract
Redox regulation is a fundamental physiological phenomenon related to oxygen-dependent metabolism, and skeletal muscle is mainly regarded as a primary site for oxidative phosphorylation. Several studies have revealed the importance of reactive oxygen and nitrogen species (RONS) in the signaling process relating to muscle adaptation during exercise. To date, improving knowledge of redox signaling in modulating exercise adaptation has been the subject of comprehensive work and scientific inquiry. The primary aim of this review is to elucidate the molecular and biochemical pathways aligned to RONS as activators of skeletal muscle adaptation and to further identify the interconnecting mechanisms controlling redox balance. We also discuss the RONS-mediated pathways during the muscle adaptive process, including mitochondrial biogenesis, muscle remodeling, vascular angiogenesis, neuron regeneration, and the role of exogenous antioxidants.
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Affiliation(s)
- Yingsong Zhou
- Faculty of Sports Science, Ningbo University, Ningbo, China
| | - Xuan Zhang
- School of Wealth Management, Ningbo University of Finance and Economics, Ningbo, China
| | - Julien S. Baker
- Centre for Health and Exercise Science Research, Hong Kong Baptist University, Kowloon Tong 999077, Hong Kong
| | - Gareth W. Davison
- Sport and Exercise Sciences Research Institute, Ulster University, Belfast BT15 IED, UK
| | - Xiaojun Yan
- School of Marine Sciences, Ningbo University, Ningbo, China
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3
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Maiese K. Cornerstone Cellular Pathways for Metabolic Disorders and Diabetes Mellitus: Non-Coding RNAs, Wnt Signaling, and AMPK. Cells 2023; 12:2595. [PMID: 37998330 PMCID: PMC10670256 DOI: 10.3390/cells12222595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/31/2023] [Accepted: 11/07/2023] [Indexed: 11/25/2023] Open
Abstract
Metabolic disorders and diabetes (DM) impact more than five hundred million individuals throughout the world and are insidious in onset, chronic in nature, and yield significant disability and death. Current therapies that address nutritional status, weight management, and pharmacological options may delay disability but cannot alter disease course or functional organ loss, such as dementia and degeneration of systemic bodily functions. Underlying these challenges are the onset of aging disorders associated with increased lifespan, telomere dysfunction, and oxidative stress generation that lead to multi-system dysfunction. These significant hurdles point to the urgent need to address underlying disease mechanisms with innovative applications. New treatment strategies involve non-coding RNA pathways with microRNAs (miRNAs) and circular ribonucleic acids (circRNAs), Wnt signaling, and Wnt1 inducible signaling pathway protein 1 (WISP1) that are dependent upon programmed cell death pathways, cellular metabolic pathways with AMP-activated protein kinase (AMPK) and nicotinamide, and growth factor applications. Non-coding RNAs, Wnt signaling, and AMPK are cornerstone mechanisms for overseeing complex metabolic pathways that offer innovative treatment avenues for metabolic disease and DM but will necessitate continued appreciation of the ability of each of these cellular mechanisms to independently and in unison influence clinical outcome.
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Affiliation(s)
- Kenneth Maiese
- Cellular and Molecular Signaling, New York, NY 10022, USA
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Vasileiadou O, Nastos GG, Chatzinikolaou PN, Papoutsis D, Vrampa DI, Methenitis S, Margaritelis NV. Redox Profile of Skeletal Muscles: Implications for Research Design and Interpretation. Antioxidants (Basel) 2023; 12:1738. [PMID: 37760040 PMCID: PMC10525275 DOI: 10.3390/antiox12091738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 08/30/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
Mammalian skeletal muscles contain varying proportions of Type I and II fibers, which feature different structural, metabolic and functional properties. According to these properties, skeletal muscles are labeled as 'red' or 'white', 'oxidative' or 'glycolytic', 'slow-twitch' or 'fast-twitch', respectively. Redox processes (i.e., redox signaling and oxidative stress) are increasingly recognized as a fundamental part of skeletal muscle metabolism at rest, during and after exercise. The aim of the present review was to investigate the potential redox differences between slow- (composed mainly of Type I fibers) and fast-twitch (composed mainly of Type IIa and IIb fibers) muscles at rest and after a training protocol. Slow-twitch muscles were almost exclusively represented in the literature by the soleus muscle, whereas a wide variety of fast-twitch muscles were used. Based on our analysis, we argue that slow-twitch muscles exhibit higher antioxidant enzyme activity compared to fast-twitch muscles in both pre- and post-exercise training. This is also the case between heads or regions of fast-twitch muscles that belong to different subcategories, namely Type IIa (oxidative) versus Type IIb (glycolytic), in favor of the former. No safe conclusion could be drawn regarding the mRNA levels of antioxidant enzymes either pre- or post-training. Moreover, slow-twitch skeletal muscles presented higher glutathione and thiol content as well as higher lipid peroxidation levels compared to fast-twitch. Finally, mitochondrial hydrogen peroxide production was higher in fast-twitch muscles compared to slow-twitch muscles at rest. This redox heterogeneity between different muscle types may have ramifications in the analysis of muscle function and health and should be taken into account when designing exercise studies using specific muscle groups (e.g., on an isokinetic dynamometer) or isolated muscle fibers (e.g., electrical stimulation) and may deliver a plausible explanation for the conflicting results about the ergogenic potential of antioxidant supplements.
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Affiliation(s)
- Olga Vasileiadou
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62100 Serres, Greece; (O.V.); (G.G.N.); (P.N.C.); (D.P.)
| | - George G. Nastos
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62100 Serres, Greece; (O.V.); (G.G.N.); (P.N.C.); (D.P.)
| | - Panagiotis N. Chatzinikolaou
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62100 Serres, Greece; (O.V.); (G.G.N.); (P.N.C.); (D.P.)
| | - Dimitrios Papoutsis
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62100 Serres, Greece; (O.V.); (G.G.N.); (P.N.C.); (D.P.)
| | - Dimitra I. Vrampa
- Department of Nutrition Sciences and Dietetics, Faculty of Health Sciences, International Hellenic University, 57001 Thessaloniki, Greece;
| | - Spyridon Methenitis
- School of Physical Education and Sports Science, National and Kapodistrian University of Athens, 15772 Athens, Greece;
| | - Nikos V. Margaritelis
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, 62100 Serres, Greece; (O.V.); (G.G.N.); (P.N.C.); (D.P.)
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Espinosa A, Casas M, Jaimovich E. Energy (and Reactive Oxygen Species Generation) Saving Distribution of Mitochondria for the Activation of ATP Production in Skeletal Muscle. Antioxidants (Basel) 2023; 12:1624. [PMID: 37627619 PMCID: PMC10451830 DOI: 10.3390/antiox12081624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/27/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
Exercise produces oxidants from a variety of intracellular sources, including NADPH oxidases (NOX) and mitochondria. Exercise-derived reactive oxygen species (ROS) are beneficial, and the amount and location of these ROS is important to avoid muscle damage associated with oxidative stress. We discuss here some of the evidence that involves ROS production associated with skeletal muscle contraction and the potential oxidative stress associated with muscle contraction. We also discuss the potential role of H2O2 produced after NOX activation in the regulation of glucose transport in skeletal muscle. Finally, we propose a model based on evidence for the role of different populations of mitochondria in skeletal muscle in the regulation of ATP production upon exercise. The subsarcolemmal population of mitochondria has the enzymatic and metabolic components to establish a high mitochondrial membrane potential when fissioned at rest but lacks the capacity to produce ATP. Calcium entry into the mitochondria will further increase the metabolic input. Upon exercise, subsarcolemmal mitochondria will fuse to intermyofibrillar mitochondria and will transfer the mitochondria membrane potential to them. These mitochondria are rich in ATP synthase and will subsequentially produce the ATP needed for muscle contraction in long-term exercise. These events will optimize energy use and minimize mitochondria ROS production.
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Affiliation(s)
- Alejandra Espinosa
- Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago 8320000, Chile; (A.E.)
- San Felipe Campus, School of Medicine, Faculty of Medicine, Universidad de Valparaiso, San Felipe 2172972, Chile
| | - Mariana Casas
- Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago 8320000, Chile; (A.E.)
| | - Enrique Jaimovich
- Center for Studies of Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago 8320000, Chile; (A.E.)
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Yehya M, Boulghobra D, Grillet PE, Fleitas-Paniagua PR, Bideaux P, Gayrard S, Sicard P, Thireau J, Reboul C, Cazorla O. Natural Extracts Mitigate the Deleterious Effects of Prolonged Intense Physical Exercise on the Cardiovascular and Muscular Systems. Antioxidants (Basel) 2023; 12:1474. [PMID: 37508012 PMCID: PMC10376415 DOI: 10.3390/antiox12071474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/17/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023] Open
Abstract
Muscle fatigue is a common symptom induced by exercise. A reversible loss of muscle force is observed with variable rates of recovery depending on the causes or underlying mechanisms. It can not only affect locomotion muscles, but can also affect the heart, in particular after intense prolonged exercise such as marathons and ultra-triathlons. The goal of our study was to explore the effect of four different natural extracts with recognized antioxidant properties on the contractile function of skeletal (locomotion) and cardiac muscles after a prolonged exhausting exercise. Male Wistar rats performed a bout of exhausting exercise on a treadmill for about 2.5 h and were compared to sedentary animals. Some rats received oral treatment of a natural extract (rosemary, buckwheat, Powergrape®, or rapeseed) or the placebo 24 h and 1 h before exercise. Experiments were performed 30 min after the race and after 7 days of recovery. All natural extracts had protective effects both in cardiac and skeletal muscles. The extent of protection was different depending on muscle type and the duration post-exercise (just after and after one-week recovery), including antiarrhythmic effect and anti-diastolic dysfunction for the heart, and faster recovery of contractility for the skeletal muscles. Moreover, the muscular protective effect varied between natural extracts. Our study shows that an acute antioxidant supplementation can protect against acute abnormal endogenous ROS toxicity, induced here by prolonged exhausting exercise.
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Affiliation(s)
- Marc Yehya
- PhyMedExp, INSERM, CNRS, CHU Montpellier, University of Montpellier, 34295 Montpellier, France
- UPR-4278, Laboratoire de Physiologie Expérimentale Cardiovasculaire, Avignon University, 84029 Avignon, France
| | - Doria Boulghobra
- UPR-4278, Laboratoire de Physiologie Expérimentale Cardiovasculaire, Avignon University, 84029 Avignon, France
| | - Pierre-Edouard Grillet
- PhyMedExp, INSERM, CNRS, CHU Montpellier, University of Montpellier, 34295 Montpellier, France
- Département de Biochimie et d'Hormonologie, CHU Montpellier, 34295 Montpellier, France
| | | | - Patrice Bideaux
- PhyMedExp, INSERM, CNRS, CHU Montpellier, University of Montpellier, 34295 Montpellier, France
| | - Sandrine Gayrard
- UPR-4278, Laboratoire de Physiologie Expérimentale Cardiovasculaire, Avignon University, 84029 Avignon, France
| | - Pierre Sicard
- PhyMedExp, INSERM, CNRS, CHU Montpellier, University of Montpellier, 34295 Montpellier, France
| | - Jérome Thireau
- PhyMedExp, INSERM, CNRS, CHU Montpellier, University of Montpellier, 34295 Montpellier, France
| | - Cyril Reboul
- UPR-4278, Laboratoire de Physiologie Expérimentale Cardiovasculaire, Avignon University, 84029 Avignon, France
| | - Olivier Cazorla
- PhyMedExp, INSERM, CNRS, CHU Montpellier, University of Montpellier, 34295 Montpellier, France
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7
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Maiese K. Cellular Metabolism: A Fundamental Component of Degeneration in the Nervous System. Biomolecules 2023; 13:816. [PMID: 37238686 PMCID: PMC10216724 DOI: 10.3390/biom13050816] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/05/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
It is estimated that, at minimum, 500 million individuals suffer from cellular metabolic dysfunction, such as diabetes mellitus (DM), throughout the world. Even more concerning is the knowledge that metabolic disease is intimately tied to neurodegenerative disorders, affecting both the central and peripheral nervous systems as well as leading to dementia, the seventh leading cause of death. New and innovative therapeutic strategies that address cellular metabolism, apoptosis, autophagy, and pyroptosis, the mechanistic target of rapamycin (mTOR), AMP activated protein kinase (AMPK), growth factor signaling with erythropoietin (EPO), and risk factors such as the apolipoprotein E (APOE-ε4) gene and coronavirus disease 2019 (COVID-19) can offer valuable insights for the clinical care and treatment of neurodegenerative disorders impacted by cellular metabolic disease. Critical insight into and modulation of these complex pathways are required since mTOR signaling pathways, such as AMPK activation, can improve memory retention in Alzheimer's disease (AD) and DM, promote healthy aging, facilitate clearance of β-amyloid (Aß) and tau in the brain, and control inflammation, but also may lead to cognitive loss and long-COVID syndrome through mechanisms that can include oxidative stress, mitochondrial dysfunction, cytokine release, and APOE-ε4 if pathways such as autophagy and other mechanisms of programmed cell death are left unchecked.
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Affiliation(s)
- Kenneth Maiese
- Cellular and Molecular Signaling, New York, NY 10022, USA
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8
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Supruniuk E, Górski J, Chabowski A. Endogenous and Exogenous Antioxidants in Skeletal Muscle Fatigue Development during Exercise. Antioxidants (Basel) 2023; 12:antiox12020501. [PMID: 36830059 PMCID: PMC9952836 DOI: 10.3390/antiox12020501] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/09/2023] [Accepted: 02/15/2023] [Indexed: 02/18/2023] Open
Abstract
Muscle fatigue is defined as a decrease in maximal force or power generated in response to contractile activity, and it is a risk factor for the development of musculoskeletal injuries. One of the many stressors imposed on skeletal muscle through exercise is the increased production of reactive oxygen species (ROS) and reactive nitrogen species (RNS), which intensifies as a function of exercise intensity and duration. Exposure to ROS/RNS can affect Na+/K+-ATPase activity, intramyofibrillar calcium turnover and sensitivity, and actin-myosin kinetics to reduce muscle force production. On the other hand, low ROS/RNS concentrations can likely upregulate an array of cellular adaptative responses related to mitochondrial biogenesis, glucose transport and muscle hypertrophy. Consequently, growing evidence suggests that exogenous antioxidant supplementation might hamper exercise-engendering upregulation in the signaling pathways of mitogen-activated protein kinases (MAPKs), peroxisome-proliferator activated co-activator 1α (PGC-1α), or mammalian target of rapamycin (mTOR). Ultimately, both high (exercise-induced) and low (antioxidant intervention) ROS concentrations can trigger beneficial responses as long as they do not override the threshold range for redox balance. The mechanisms underlying the two faces of ROS/RNS in exercise, as well as the role of antioxidants in muscle fatigue, are presented in detail in this review.
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Affiliation(s)
- Elżbieta Supruniuk
- Department of Physiology, Medical University of Białystok, 15-222 Białystok, Poland
- Correspondence: ; Tel.: +48-(85)-748-55-85
| | - Jan Górski
- Department of Medical Sciences, Academy of Applied Sciences, 18-400 Łomża, Poland
| | - Adrian Chabowski
- Department of Physiology, Medical University of Białystok, 15-222 Białystok, Poland
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Shu H, Huang Y, Zhang W, Ling L, Hua Y, Xiong Z. An integrated study of hormone-related sarcopenia for modeling and comparative transcriptome in rats. Front Endocrinol (Lausanne) 2023; 14:1073587. [PMID: 36817606 PMCID: PMC9929355 DOI: 10.3389/fendo.2023.1073587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 01/19/2023] [Indexed: 02/04/2023] Open
Abstract
Sarcopenia is a senile disease with high morbidity, serious complications and limited clinical treatments. Menopause increases the risk of sarcopenia in females, while the exact pathogenesis remains unclear. To systematically investigate the development of hormone-related sarcopenia, we established a model of sarcopenia by ovariectomy and recorded successive characteristic changes. Furthermore, we performed the transcriptome RNA sequencing and bioinformatics analysis on this model to explore the underlying mechanism. In our study, we identified an integrated model combining obesity, osteoporosis and sarcopenia. Functional enrichment analyses showed that most of the significantly enriched pathways were down-regulated and closely correlated with endocrine and metabolism, muscle dysfunction, cognitive impairment and multiple important signaling pathways. We finally selected eight candidate genes to verify their expression levels. These findings confirmed the importance of estrogen in the maintenance of skeletal muscle function and homeostasis, and provided potential targets for further study on hormone-related sarcopenia.
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Affiliation(s)
- Han Shu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yubing Huang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wenqian Zhang
- Department of Nuclear Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Li Ling
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yuanyuan Hua
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhengai Xiong
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
- *Correspondence: Zhengai Xiong,
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10
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Powers SK, Goldstein E, Schrager M, Ji LL. Exercise Training and Skeletal Muscle Antioxidant Enzymes: An Update. Antioxidants (Basel) 2022; 12:antiox12010039. [PMID: 36670901 PMCID: PMC9854578 DOI: 10.3390/antiox12010039] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 12/21/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
The pivotal observation that muscular exercise is associated with oxidative stress in humans was first reported over 45 years ago. Soon after this landmark finding, it was discovered that contracting skeletal muscles produce oxygen radicals and other reactive species capable of oxidizing cellular biomolecules. Importantly, the failure to eliminate these oxidant molecules during exercise results in oxidation of cellular proteins and lipids. Fortuitously, muscle fibers and other cells contain endogenous antioxidant enzymes capable of eliminating oxidants. Moreover, it is now established that several modes of exercise training (e.g., resistance exercise and endurance exercise) increase the expression of numerous antioxidant enzymes that protect myocytes against exercise-induced oxidative damage. This review concisely summarizes the impact of endurance, high-intensity interval, and resistance exercise training on the activities of enzymatic antioxidants within skeletal muscles in humans and other mammals. We also discuss the evidence that exercise-induced up-regulation of cellular antioxidants reduces contraction-induced oxidative damage in skeletal muscles and has the potential to delay muscle fatigue and improve exercise performance. Finally, in hopes of stimulating further research, we also discuss gaps in our knowledge of exercise-induced changes in muscle antioxidant capacity.
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Affiliation(s)
- Scott K. Powers
- Department of Health Sciences, Stetson University, Deland, FL 32723, USA
- Correspondence:
| | - Erica Goldstein
- Department of Health Sciences, Stetson University, Deland, FL 32723, USA
| | - Matthew Schrager
- Department of Health Sciences, Stetson University, Deland, FL 32723, USA
| | - Li Li Ji
- Department of Kinesiology, University of Minnesota, St Paul, MN 55455, USA
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11
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C 60 fullerene attenuates muscle force reduction in a rat during fatigue development. Heliyon 2022; 8:e12449. [PMID: 36590525 PMCID: PMC9801117 DOI: 10.1016/j.heliyon.2022.e12449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/29/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
C60 fullerene (C60) as a nanocarbon particle, compatible with biological structures, capable of penetrating through cell membranes and effectively scavenging free radicals, is widely used in biomedicine. A protective effect of C60 on the biomechanics of fast (m. gastrocnemius) and slow (m. soleus) muscle contraction in rats and the pro- and antioxidant balance of muscle tissue during the development of muscle fatigue was studied compared to the same effect of the known antioxidant N-acetylcysteine (NAC). C60 and NAC were administered intraperitoneally at doses of 1 and 150 mg kg-1, respectively, daily for 5 days and 1 h before the start of the experiment. The following quantitative markers of muscle fatigue were used: the force of muscle contraction, the level of accumulation of secondary products of lipid peroxidation (TBARS) and the oxygen metabolite H2O2, the activity of first-line antioxidant defense enzymes (superoxide dismutase (SOD) and catalase (CAT)), and the condition of the glutathione system (reduced glutathione (GSH) content and the activity of the glutathione peroxidase (GPx) enzyme). The analysis of the muscle contraction force dynamics in rats against the background of induced muscle fatigue showed, that the effect of C60, 1 h after drug administration, was (15-17)% more effective on fast muscles than on slow muscles. A further slight increase in the effect of C60 was revealed after 2 h of drug injection, (7-9)% in the case of m. gastrocnemius and (5-6)% in the case of m. soleus. An increase in the effect of using C60 occurred within 4 days (the difference between 4 and 5 days did not exceed (3-5)%) and exceeded the effect of NAC by (32-34)%. The analysis of biochemical parameters in rat muscle tissues showed that long-term application of C60 contributed to their decrease by (10-30)% and (5-20)% in fast and slow muscles, respectively, on the 5th day of the experiment. At the same time, the protective effect of C60 was higher compared to NAC by (28-44)%. The obtained results indicate the prospect of using C60 as a potential protective nano agent to improve the efficiency of skeletal muscle function by modifying the reactive oxygen species-dependent mechanisms that play an important role in the processes of muscle fatigue development.
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12
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NOX as a Therapeutic Target in Liver Disease. Antioxidants (Basel) 2022; 11:antiox11102038. [PMID: 36290761 PMCID: PMC9598239 DOI: 10.3390/antiox11102038] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 11/17/2022] Open
Abstract
The nicotinamide adenine dinucleotide phosphate hydrogen oxidase (NADPH oxidase or NOX) plays a critical role in the inflammatory response and fibrosis in several organs such as the lungs, pancreas, kidney, liver, and heart. In the liver, NOXs contribute, through the generation of reactive oxygen species (ROS), to hepatic fibrosis by acting through multiple pathways, including hepatic stellate cell activation, proliferation, survival, and migration of hepatic stellate cells; hepatocyte apoptosis, enhancement of fibrogenic mediators, and mediation of an inflammatory cascade in both Kupffer cells and hepatic stellate cells. ROS are overwhelmingly produced during malignant transformation and hepatic carcinogenesis (HCC), creating an oxidative microenvironment that can cause different and various types of cellular stress, including DNA damage, ER stress, cell death of damaged hepatocytes, and oxidative stress. NOX1, NOX2, and NOX4, members of the NADPH oxidase family, have been linked to the production of ROS in the liver. This review will analyze some diseases related to an increase in oxidative stress and its relationship with the NOX family, as well as discuss some therapies proposed to slow down or control the disease's progression.
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Adel M, Elsayed HRH, El-Nablaway M, Hamed S, Eladl A, Fouad S, El Nashar EM, Al-Otaibi ML, Rabei MR. Targeting Hydrogen Sulfide Modulates Dexamethasone-Induced Muscle Atrophy and Microvascular Rarefaction, through Inhibition of NOX4 and Induction of MGF, M2 Macrophages and Endothelial Progenitors. Cells 2022; 11:cells11162500. [PMID: 36010575 PMCID: PMC9406793 DOI: 10.3390/cells11162500] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/06/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022] Open
Abstract
Long-term use of Glucocorticoids produces skeletal muscle atrophy and microvascular rarefaction. Hydrogen sulfide (H2S) has a potential role in skeletal muscle regeneration. However, the mechanisms still need to be elucidated. This is the first study to explore the effect of Sodium hydrosulfide (NaHS) H2S donor, against Dexamethasone (Dex)-induced soleus muscle atrophy and microvascular rarefaction and on muscle endothelial progenitors and M2 macrophages. Rats received either; saline, Dex (0.6 mg/Kg/day), Dex + NaHS (5 mg/Kg/day), or Dex + Aminooxyacetic acid (AOAA), a blocker of H2S (10 mg/Kg/day) for two weeks. The soleus muscle was examined for contractile properties. mRNA expression for Myostatin, Mechano-growth factor (MGF) and NADPH oxidase (NOX4), HE staining, and immunohistochemical staining for caspase-3, CD34 (Endothelial progenitor marker), vascular endothelial growth factor (VEGF), CD31 (endothelial marker), and CD163 (M2 macrophage marker) was performed. NaHS could improve the contractile properties and decrease oxidative stress, muscle atrophy, and the expression of NOX4, caspase-3, Myostatin, VEGF, and CD31 and could increase the capillary density and expression of MGF with a significant increase in expression of CD34 and CD163 as compared to Dex group. However, AOAA worsened the studied parameters. Therefore, H2S can be a promising target to attenuate muscle atrophy and microvascular rarefaction.
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Affiliation(s)
- Mohamed Adel
- Department of Medical Physiology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Hassan Reda Hassan Elsayed
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
- Department of Anatomy, Faculty of Physical therapy, Horus University, New Damietta 34517, Egypt
- Correspondence: ; Tel.: +20-122-9310-701
| | - Mohammad El-Nablaway
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
- Department of Medical Biochemistry, College of Medicine, Almaarefa University, Riyad 71666, Saudi Arabia
| | - Shereen Hamed
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Amira Eladl
- Department of Pharmacology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Samah Fouad
- Medical Experimental Research Center (MERC), Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Eman Mohamad El Nashar
- Department of Anatomy, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia
- Department of Histology and Cell Biology, Faculty of Medicine, Benha University, Benha 13511, Egypt
| | - Mohammed Lafi Al-Otaibi
- Department of Orthopedics, College Medicine, King Khalid University, Abha 61421, Saudi Arabia
| | - Mohammed R. Rabei
- Department of Medical Physiology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
- Department of Physiology, Faculty of Medicine, King Salman International University, El Tor 46511, Egypt
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14
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Matuz-Mares D, González-Andrade M, Araiza-Villanueva MG, Vilchis-Landeros MM, Vázquez-Meza H. Mitochondrial Calcium: Effects of Its Imbalance in Disease. Antioxidants (Basel) 2022; 11:antiox11050801. [PMID: 35624667 PMCID: PMC9138001 DOI: 10.3390/antiox11050801] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/17/2022] [Accepted: 04/19/2022] [Indexed: 02/06/2023] Open
Abstract
Calcium is used in many cellular processes and is maintained within the cell as free calcium at low concentrations (approximately 100 nM), compared with extracellular (millimolar) concentrations, to avoid adverse effects such as phosphate precipitation. For this reason, cells have adapted buffering strategies by compartmentalizing calcium into mitochondria and the endoplasmic reticulum (ER). In mitochondria, the calcium concentration is in the millimolar range, as it is in the ER. Mitochondria actively contribute to buffering cellular calcium, but if matrix calcium increases beyond physiological demands, it can promote the opening of the mitochondrial permeability transition pore (mPTP) and, consequently, trigger apoptotic or necrotic cell death. The pathophysiological implications of mPTP opening in ischemia-reperfusion, liver, muscle, and lysosomal storage diseases, as well as those affecting the central nervous system, for example, Parkinson’s disease (PD), Alzheimer’s disease (AD), Huntington’s disease (HD), and amyotrophic lateral sclerosis (ALS) have been reported. In this review, we present an updated overview of the main cellular mechanisms of mitochondrial calcium regulation. We specially focus on neurodegenerative diseases related to imbalances in calcium homeostasis and summarize some proposed therapies studied to attenuate these diseases.
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Affiliation(s)
- Deyamira Matuz-Mares
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (M.G.-A.); (M.M.V.-L.)
| | - Martin González-Andrade
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (M.G.-A.); (M.M.V.-L.)
| | | | - María Magdalena Vilchis-Landeros
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (M.G.-A.); (M.M.V.-L.)
| | - Héctor Vázquez-Meza
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (M.G.-A.); (M.M.V.-L.)
- Correspondence: ; Tel.: +52-55-5623-2168
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15
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Jîtcă G, Ősz BE, Tero-Vescan A, Miklos AP, Rusz CM, Bătrînu MG, Vari CE. Positive Aspects of Oxidative Stress at Different Levels of the Human Body: A Review. Antioxidants (Basel) 2022; 11:antiox11030572. [PMID: 35326222 PMCID: PMC8944834 DOI: 10.3390/antiox11030572] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/12/2022] [Accepted: 03/14/2022] [Indexed: 02/01/2023] Open
Abstract
Oxidative stress is the subject of numerous studies, most of them focusing on the negative effects exerted at both molecular and cellular levels, ignoring the possible benefits of free radicals. More and more people admit to having heard of the term "oxidative stress", but few of them understand the meaning of it. We summarized and analyzed the published literature data in order to emphasize the importance and adaptation mechanisms of basal oxidative stress. This review aims to provide an overview of the mechanisms underlying the positive effects of oxidative stress, highlighting these effects, as well as the risks for the population consuming higher doses than the recommended daily intake of antioxidants. The biological dose-response curve in oxidative stress is unpredictable as reactive species are clearly responsible for cellular degradation, whereas antioxidant therapies can alleviate senescence by maintaining redox balance; nevertheless, excessive doses of the latter can modify the redox balance of the cell, leading to a negative outcome. It can be stated that the presence of oxidative status or oxidative stress is a physiological condition with well-defined roles, yet these have been insufficiently researched and explored. The involvement of reactive oxygen species in the pathophysiology of some associated diseases is well-known and the involvement of antioxidant therapies in the processes of senescence, apoptosis, autophagy, and the maintenance of cellular homeostasis cannot be denied. All data in this review support the idea that oxidative stress is an undesirable phenomenon in high and long-term concentrations, but regular exposure is consistent with the hormetic theory.
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Affiliation(s)
- George Jîtcă
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (G.J.); (C.E.V.)
| | - Bianca E. Ősz
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (G.J.); (C.E.V.)
- Correspondence:
| | - Amelia Tero-Vescan
- Department of Biochemistry, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (A.T.-V.); (A.P.M.)
| | - Amalia Pușcaș Miklos
- Department of Biochemistry, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (A.T.-V.); (A.P.M.)
| | - Carmen-Maria Rusz
- Doctoral School of Medicine and Pharmacy, I.O.S.U.D, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (C.-M.R.); (M.-G.B.)
| | - Mădălina-Georgiana Bătrînu
- Doctoral School of Medicine and Pharmacy, I.O.S.U.D, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (C.-M.R.); (M.-G.B.)
| | - Camil E. Vari
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540139 Târgu Mureș, Romania; (G.J.); (C.E.V.)
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16
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Effect of acute swimming exercise at different intensities but equal total load over metabolic and molecular responses in swimming rats. J Muscle Res Cell Motil 2022; 43:35-44. [PMID: 35084659 DOI: 10.1007/s10974-022-09614-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 01/10/2022] [Indexed: 01/08/2023]
Abstract
Acute metabolic and molecular response to exercise may vary according to exercise's intensity and duration. However, there is a lack regarding specific tissue alterations after acute exercise with aerobic or anaerobic predominance. The present study investigated the effects of acute exercise performed at different intensities, but with equal total load on molecular and physiological responses in swimming rats. Sixty male rats were divided into a control group and five groups performing an acute bout of swimming exercise at different intensities (80, 90, 100, 110 and 120% of anaerobic threshold [AnT]). The exercise duration of each group was balanced so all groups performed at the same total load. Gene expression (HIF-1α, PGC-1α, MCT1 and MCT4 mRNA), blood biomarkers and tissue glycogen depletion were analyzed after the exercise session. ANOVA One-Way was used to indicate statistical mean differences considering 5% significance level. Blood lactate concentration was the only biomarker sensitive to acute exercise, with a significant increase in rats exercised above AnT intensities (p < 0.000). Glycogen stores of gluteus muscle were significantly reduced in all exercised animals in comparison to control group (p = 0.02). Hepatic tissue presented significant reduction in glycogen in animals exercised above AnT (p = 0.000, as well as reduced HIF-1α mRNA and increased MCT1 mRNA, especially at the highest intensity (p = 0.002). Physiological parameters did not alter amongst groups for most tissues. Our results indicate the hepatic tissue alterations (glycogen stores and gene expressions) in response to different exercise intensities of exercise, even with the total load matched.
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17
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Chi MY, Zhang H, Wang YX, Sun XP, Yang QJ, Guo C. Silibinin Alleviates Muscle Atrophy Caused by Oxidative Stress Induced by Cisplatin through ERK/FoxO and JNK/FoxO Pathways. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5694223. [PMID: 35096269 PMCID: PMC8794676 DOI: 10.1155/2022/5694223] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/17/2021] [Accepted: 12/31/2021] [Indexed: 02/06/2023]
Abstract
Cisplatin (DDP), a widely used chemotherapeutic drug in cancer treatment, causes oxidative stress, resulting in cancer cachexia and skeletal muscle atrophy. This study investigated the effects and activity of silibinin (SLI) in reducing DDP-induced oxidative stress and skeletal muscle atrophy in vivo and in vitro. SLI alleviated weight loss, food intake, muscle wasting, adipose tissue depletion, and organ weight reduction induced by DDP and improved the reduction of grip force caused by DDP. SLI can attenuated the increase in reactive oxygen species (ROS) levels, the decrease in Nrf2 expression, the decrease in the fiber cross-sectional area, and changes in fiber type induced by DDP. SLI regulated the ERK/FoxO and JNK/FoxO pathways by downregulating the abnormal increase in ROS and Nrf2 expression in DDP-treated skeletal muscle and C2C12 myotube cells. Further, SLI inhibited the upregulation of MAFbx and Mstn, the downregulation of MyHC and MyoG, the increase in protein degradation, and the decrease of protein synthesis. The protective effects of SLI were reversed by cotreatment with JNK agonists and ERK inhibitors. These results suggest that SLI can reduce DDP-induced skeletal muscle atrophy by reducing oxidative stress and regulating ERK/FoxO and JNK/FoxO pathways.
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Affiliation(s)
- Meng-yi Chi
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, China
| | - Hong Zhang
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, China
- School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Ya-xian Wang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, China
| | - Xi-peng Sun
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, China
| | - Quan-jun Yang
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, China
| | - Cheng Guo
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Department of Pharmacy, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, China
- School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
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18
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Xirouchaki CE, Jia Y, McGrath MJ, Greatorex S, Tran M, Merry TL, Hong D, Eramo MJ, Broome SC, Woodhead JST, D’souza RF, Gallagher J, Salimova E, Huang C, Schittenhelm RB, Sadoshima J, Watt MJ, Mitchell CA, Tiganis T. Skeletal muscle NOX4 is required for adaptive responses that prevent insulin resistance. SCIENCE ADVANCES 2021; 7:eabl4988. [PMID: 34910515 PMCID: PMC8673768 DOI: 10.1126/sciadv.abl4988] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 10/26/2021] [Indexed: 05/27/2023]
Abstract
Reactive oxygen species (ROS) generated during exercise are considered integral for the health-promoting effects of exercise. However, the precise mechanisms by which exercise and ROS promote metabolic health remain unclear. Here, we demonstrate that skeletal muscle NADPH oxidase 4 (NOX4), which is induced after exercise, facilitates ROS-mediated adaptive responses that promote muscle function, maintain redox balance, and prevent the development of insulin resistance. Conversely, reductions in skeletal muscle NOX4 in aging and obesity contribute to the development of insulin resistance. NOX4 deletion in skeletal muscle compromised exercise capacity and antioxidant defense and promoted oxidative stress and insulin resistance in aging and obesity. The abrogated adaptive mechanisms, oxidative stress, and insulin resistance could be corrected by deleting the H2O2-detoxifying enzyme GPX-1 or by treating mice with an agonist of NFE2L2, the master regulator of antioxidant defense. These findings causally link NOX4-derived ROS in skeletal muscle with adaptive responses that promote muscle function and insulin sensitivity.
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Affiliation(s)
- Chrysovalantou E. Xirouchaki
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
| | - Yaoyao Jia
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
| | - Meagan J. McGrath
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
| | - Spencer Greatorex
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
| | - Melanie Tran
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
| | - Troy L. Merry
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
- Discipline of Nutrition, Faculty of Medical and
Health Sciences, The University of Auckland, Auckland, New Zealand
| | - Dawn Hong
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
| | - Matthew J. Eramo
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
| | - Sophie C. Broome
- Discipline of Nutrition, Faculty of Medical and
Health Sciences, The University of Auckland, Auckland, New Zealand
| | - Jonathan S. T. Woodhead
- Discipline of Nutrition, Faculty of Medical and
Health Sciences, The University of Auckland, Auckland, New Zealand
| | - Randall F. D’souza
- Discipline of Nutrition, Faculty of Medical and
Health Sciences, The University of Auckland, Auckland, New Zealand
| | - Jenny Gallagher
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
| | - Ekaterina Salimova
- Monash Biomedical Imaging, Monash University,
Clayton, Victoria 3800, Australia
| | - Cheng Huang
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
- Monash Proteomics and Metabolomics Facility, Monash
University, Clayton, Victoria 3800, Australia
| | - Ralf B. Schittenhelm
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
- Monash Proteomics and Metabolomics Facility, Monash
University, Clayton, Victoria 3800, Australia
| | - Junichi Sadoshima
- Department of Cell Biology and Molecular Medicine,
Cardiovascular Research Institute, Rutgers New Jersey Medical School, Newark, NJ
07103, USA
| | - Matthew J. Watt
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Physiology, Monash University, Clayton,
Victoria 3800, Australia
| | - Christina A. Mitchell
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
| | - Tony Tiganis
- Monash Biomedicine Discovery Institute, Monash
University, Clayton, Victoria 3800, Australia
- Department of Biochemistry and Molecular Biology,
Monash University, Clayton, Victoria 3800, Australia
- Monash Metabolic Phenotyping Facility, Monash
University, Clayton, Victoria 3800, Australia
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19
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Hahad O, Kuntic M, Frenis K, Chowdhury S, Lelieveld J, Lieb K, Daiber A, Münzel T. Physical Activity in Polluted Air-Net Benefit or Harm to Cardiovascular Health? A Comprehensive Review. Antioxidants (Basel) 2021; 10:1787. [PMID: 34829658 PMCID: PMC8614825 DOI: 10.3390/antiox10111787] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/01/2021] [Accepted: 11/04/2021] [Indexed: 12/15/2022] Open
Abstract
Both exposure to higher levels of polluted air and physical inactivity are crucial risk factors for the development and progression of major noncommunicable diseases and, in particular, of cardiovascular disease. In this context, the World Health Organization estimated 4.2 and 3.2 million global deaths per year in response to ambient air pollution and insufficient physical activity, respectively. While regular physical activity is well known to improve general health, it may also increase the uptake and deposit of air pollutants in the lungs/airways and circulation, due to increased breathing frequency and minute ventilation, thus increasing the risk of cardiovascular disease. Thus, determining the tradeoff between the health benefits of physical activity and the potential harmful effects of increased exposure to air pollution during physical activity has important public health consequences. In the present comprehensive review, we analyzed evidence from human and animal studies on the combined effects of physical activity and air pollution on cardiovascular and other health outcomes. We further report on pathophysiological mechanisms underlying air pollution exposure, as well as the protective effects of physical activity with a focus on oxidative stress and inflammation. Lastly, we provide mitigation strategies and practical recommendations for physical activity in areas with polluted air.
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Affiliation(s)
- Omar Hahad
- Department of Cardiology—Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (O.H.); (M.K.)
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, 55131 Mainz, Germany
- Leibniz Institute for Resilience Research (LIR), 55122 Mainz, Germany;
| | - Marin Kuntic
- Department of Cardiology—Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (O.H.); (M.K.)
| | - Katie Frenis
- Department of Hematology/Oncology, Boston Children’s Hospital and Harvard Medical School, Boston, MA 02115, USA;
| | - Sourangsu Chowdhury
- Atmospheric Chemistry Department, Max Planck Institute for Chemistry, 55122 Mainz, Germany; (S.C.); (J.L.)
| | - Jos Lelieveld
- Atmospheric Chemistry Department, Max Planck Institute for Chemistry, 55122 Mainz, Germany; (S.C.); (J.L.)
- Climate and Atmosphere Research Center, The Cyprus Institute, Nicosia 2121, Cyprus
| | - Klaus Lieb
- Leibniz Institute for Resilience Research (LIR), 55122 Mainz, Germany;
- Department of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany
| | - Andreas Daiber
- Department of Cardiology—Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (O.H.); (M.K.)
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, 55131 Mainz, Germany
| | - Thomas Münzel
- Department of Cardiology—Cardiology I, University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (O.H.); (M.K.)
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, 55131 Mainz, Germany
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20
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Effects of Exercise-Induced ROS on the Pathophysiological Functions of Skeletal Muscle. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:3846122. [PMID: 34630848 PMCID: PMC8500766 DOI: 10.1155/2021/3846122] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 09/18/2021] [Indexed: 12/15/2022]
Abstract
Oxidative stress is the imbalance of the redox system in the body, which produces excessive reactive oxygen species, leads to multiple cellular damages, and closely relates to some pathological conditions, such as insulin resistance and inflammation. Meanwhile, exercise as an external stimulus of oxidative stress causes the changes of pathophysiological functions in the tissues and organs, including skeletal muscle. Exercise-induced oxidative stress is considered to have different effects on the structure and function of skeletal muscle. Long-term regular or moderate exercise-induced oxidative stress is closely related to the formation of muscle adaptation, while excessive free radicals produced by strenuous or acute exercise can cause muscle oxidative stress fatigue and damage, which impacts exercise capacity and damages the body's health. The present review systematically summarizes the relationship between exercise-induced oxidative stress and the adaptions, damage, and fatigue in skeletal muscle, in order to clarify the effects of exercise-induced oxidative stress on the pathophysiological functions of skeletal muscle.
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21
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Furtado RL, Martins JER, Oliveira MAF, Guerreiro DD, de Sá NAR, Ferraz ASM, Ceccatto VM, Rodrigues APR, Araújo VR. Acute effect of high-intensity interval training exercise on redox status in the ovaries of rats fed a high-fat diet. Reprod Fertil Dev 2021; 33:713-724. [PMID: 34437833 DOI: 10.1071/rd20326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 05/05/2021] [Indexed: 11/23/2022] Open
Abstract
This study demonstrates the effect of a single high-intensity interval training (HIIT) session on the redox status of rat ovaries with excess adiposity. Forty Wistar female rats (mean (±s.e.m.) weight 94.40 ± 13.40 g) were divided into two groups and fed either a standard diet (SD) or a high-fat diet (HFD) for 62 days. At the end of this period, the rats were subjected to a single HIIT session and were killed 24 h after exercise. Both groups subjected to exercise (SDex and HFDex) generated a significantly higher antioxidant environment by presenting a higher thiol content, which represents a lower oxidation rate of GSH than their respective controls (SD and HFD). The percentage of morphologically normal primary follicles decreased, whereas that of antral follicles increased, in the SDex group. In addition, the HFD group had a higher percentage of degenerated antral follicles than the SD and SDex groups. Cells immunoreactive for α-smooth muscle actin were seen in the cortical stroma and thecal layer enclosing late secondary and tertiary follicles in all groups. Moreover, heme oxygenase and cytochrome P450 family 19 subfamily A member 1 (Cyp19A1) labelling was seen in all antral follicles. Progesterone concentrations were significantly higher in the HFDex than SDex group. In conclusion, this study indicates that a single session of HIIT may result in an improvement in ovary redox status because of metabolic muscle activity by inducing physiological adaptation after exercise in a paracrine manner.
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Affiliation(s)
- Rodrigo L Furtado
- Graduate Program in Physiological Sciences, Higher Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, 60714-903, Brazil
| | - Jonathan Elias R Martins
- Institute of Physical Education and Sports, Federal University of Ceará, Fortaleza, CE, 60455760, Brazil
| | - Maria Alice F Oliveira
- Microscopy Laboratory of Health Sciences Center, State University of Ceará, Fortaleza, CE, 60714-903, Brazil
| | - Denise D Guerreiro
- Laboratory of Manipulation of Oocytes and Preantral Follicles, Veterinary Faculty, State University of Ceará, Fortaleza, CE, 60714-903, Brazil
| | - Naiza A R de Sá
- Laboratory of Manipulation of Oocytes and Preantral Follicles, Veterinary Faculty, State University of Ceará, Fortaleza, CE, 60714-903, Brazil
| | - Alex S M Ferraz
- Institute of Physical Education and Sports, Federal University of Ceará, Fortaleza, CE, 60455760, Brazil
| | - Vânia M Ceccatto
- Laboratory of Biochemistry and Gene Expression, Higher Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, 60714-903, Brazil
| | - Ana Paula R Rodrigues
- Laboratory of Manipulation of Oocytes and Preantral Follicles, Veterinary Faculty, State University of Ceará, Fortaleza, CE, 60714-903, Brazil
| | - Valdevane R Araújo
- Graduate Program in Physiological Sciences, Higher Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, 60714-903, Brazil; and Microscopy Laboratory of Health Sciences Center, State University of Ceará, Fortaleza, CE, 60714-903, Brazil; and Corresponding author.
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22
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Matuz-Mares D, Riveros-Rosas H, Vilchis-Landeros MM, Vázquez-Meza H. Glutathione Participation in the Prevention of Cardiovascular Diseases. Antioxidants (Basel) 2021; 10:1220. [PMID: 34439468 PMCID: PMC8389000 DOI: 10.3390/antiox10081220] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/18/2021] [Accepted: 07/23/2021] [Indexed: 01/31/2023] Open
Abstract
Cardiovascular diseases (CVD) (such as occlusion of the coronary arteries, hypertensive heart diseases and strokes) are diseases that generate thousands of patients with a high mortality rate worldwide. Many of these cardiovascular pathologies, during their development, generate a state of oxidative stress that leads to a deterioration in the patient's conditions associated with the generation of reactive oxygen species (ROS) and reactive nitrogen species (RNS). Within these reactive species we find superoxide anion (O2•-), hydroxyl radical (•OH), nitric oxide (NO•), as well as other species of non-free radicals such as hydrogen peroxide (H2O2), hypochlorous acid (HClO) and peroxynitrite (ONOO-). A molecule that actively participates in counteracting the oxidizing effect of reactive species is reduced glutathione (GSH), a tripeptide that is present in all tissues and that its synthesis and/or regeneration is very important to be able to respond to the increase in oxidizing agents. In this review, we will address the role of glutathione, its synthesis in both the heart and the liver, and its importance in preventing or reducing deleterious ROS effects in cardiovascular diseases.
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Affiliation(s)
| | | | - María Magdalena Vilchis-Landeros
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (H.R.-R.)
| | - Héctor Vázquez-Meza
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México 04510, Mexico; (D.M.-M.); (H.R.-R.)
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23
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Felipe SMDS, de Freitas RM, Penha EDDS, Pacheco C, Martins DL, Alves JO, Soares PM, Loureiro ACC, Lima T, Silveira LR, Ferraz ASM, de Souza JES, Leal-Cardoso JH, Carvalho DP, Ceccatto VM. Transcriptional profile in rat muscle: down-regulation networks in acute strenuous exercise. PeerJ 2021; 9:e10500. [PMID: 33859869 PMCID: PMC8020866 DOI: 10.7717/peerj.10500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 11/15/2020] [Indexed: 11/20/2022] Open
Abstract
Background Physical exercise is a health promotion factor regulating gene expression and causing changes in phenotype, varying according to exercise type and intensity. Acute strenuous exercise in sedentary individuals appears to induce different transcriptional networks in response to stress caused by exercise. The objective of this research was to investigate the transcriptional profile of strenuous experimental exercise. Methodology RNA-Seq was performed with Rattus norvegicus soleus muscle, submitted to strenuous physical exercise on a treadmill with an initial velocity of 0.5 km/h and increments of 0.2 km/h at every 3 min until animal exhaustion. Twenty four hours post-physical exercise, RNA-seq protocols were performed with coverage of 30 million reads per sample, 100 pb read length, paired-end, with a list of counts totaling 12816 genes. Results Eighty differentially expressed genes (61 down-regulated and 19 up-regulated) were obtained. Reactome and KEGG database searches revealed the most significant pathways, for down-regulated gene set, were: PI3K-Akt signaling pathway, RAF-MAP kinase, P2Y receptors and Signaling by Erbb2. Results suggest PI3K-AKT pathway inactivation by Hbegf, Fgf1 and Fgr3 receptor regulation, leading to inhibition of cell proliferation and increased apoptosis. Cell signaling transcription networks were found in transcriptome. Results suggest some metabolic pathways which indicate the conditioning situation of strenuous exercise induced genes encoding apoptotic and autophagy factors, indicating cellular stress. Conclusion Down-regulated networks showed cell transduction and signaling pathways, with possible inhibition of cellular proliferation and cell degeneration. These findings reveal transitory and dynamic process in cell signaling transcription networks in skeletal muscle after acute strenuous exercise.
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Affiliation(s)
| | | | | | - Christina Pacheco
- Superior Institute of Biomedic Sciences, Universidade Estadual do Ceará, Fortaleza, Ceará, Brazil
| | - Danilo Lopes Martins
- Digital Metropolis Institute, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Juliana Osório Alves
- Superior Institute of Biomedic Sciences, Universidade Estadual do Ceará, Fortaleza, Ceará, Brazil
| | - Paula Matias Soares
- Superior Institute of Biomedic Sciences, Universidade Estadual do Ceará, Fortaleza, Ceará, Brazil
| | | | - Tanes Lima
- Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Leonardo R Silveira
- Institute of Biology, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | | | | | | | - Denise P Carvalho
- Carlos Chagas Filho Biophysics Institute, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vania Marilande Ceccatto
- Superior Institute of Biomedic Sciences, Universidade Estadual do Ceará, Fortaleza, Ceará, Brazil
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24
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Matta L, Fonseca TS, Faria CC, Lima-Junior NC, De Oliveira DF, Maciel L, Boa LF, Pierucci APTR, Ferreira ACF, Nascimento JHM, Carvalho DP, Fortunato RS. The Effect of Acute Aerobic Exercise on Redox Homeostasis and Mitochondrial Function of Rat White Adipose Tissue. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:4593496. [PMID: 33603946 PMCID: PMC7868166 DOI: 10.1155/2021/4593496] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 12/01/2020] [Accepted: 01/16/2021] [Indexed: 12/21/2022]
Abstract
Physical exercise is characterized by an increase in physical and metabolic demand in face of physical stress. It is reported that a single exercise session induces physiological responses through redox signaling to increase cellular function and energy support in diverse organs. However, little is known about the effect of a single bout of exercise on the redox homeostasis and cytoprotective gene expression of white adipose tissue (WAT). Thus, we aimed at evaluating the effects of acute aerobic exercise on WAT redox homeostasis, mitochondrial metabolism, and cytoprotective genic response. Male Wistar rats were submitted to a single moderate-high running session (treadmill) and were divided into five groups: control (CTRL, without exercise), and euthanized immediately (0 h), 30 min, 1 hour, or 2 hours after the end of the exercise session. NADPH oxidase activity was higher in 0 h and 30 min groups when compared to CTRL group. Extramitochondrial ROS production was higher in 0 h group in comparison to CTRL and 2 h groups. Mitochondrial respiration in phosphorylative state increased in 0 h group when compared to CTRL, 30 min, 1, and 2 h groups. On the other hand, mitochondrial ATP production was lower in 0 h in comparison to 30 min group, increasing in 1 and 2 h groups when compared to CTRL and 0 h groups. CAT activity was lower in all exercised groups when compared to CTRL. Regarding oxidative stress biomarkers, we observed a decrease in reduced thiol content in 0 h group compared to CTRL and 2 h groups, and higher levels of protein carbonylation in 0 and 30 min groups in comparison to the other groups. The levels returned to basal condition in 2 h group. Furthermore, aerobic exercise increased NRF2, GPX2, HMOX1, SOD1, and CAT mRNA levels. Taken together, our results suggest that one session of aerobic exercise can induce a transient prooxidative state in WAT, followed by an increase in antioxidant and cytoprotective gene expression.
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Affiliation(s)
- Leonardo Matta
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Túlio S. Fonseca
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Caroline C. Faria
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | | | - Dahienne F. De Oliveira
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Leonardo Maciel
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Luiz F. Boa
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | | | - Andrea C. F. Ferreira
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
- NUMPEX, Duque de Caxias Campus, Federal University of Rio de Janeiro, Brazil
| | - José H. M. Nascimento
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Denise P. Carvalho
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
| | - Rodrigo S. Fortunato
- Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, 21941-590, Brazil
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25
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Regulation of Metabolic Processes by Hydrogen Peroxide Generated by NADPH Oxidases. Processes (Basel) 2020. [DOI: 10.3390/pr8111424] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Hydrogen peroxide (H2O2) is an important oxidizing molecule that regulates the metabolisms of aerobic organisms. Redox signaling comprises physiological oxidative stress (eustress), while excessive oxidative stress causes damage to molecules. The main enzymatic generators of H2O2 are nicotinamide adenine dinucleotide phosphate oxidases or NADPH oxidases (NOXs) and mitochondrial respiratory chains, as well as various oxidases. The NOX family is constituted of seven enzyme isoforms that produce a superoxide anion (O2−), which can be converted to H2O2 by superoxide dismutase or spontaneously. H2O2 passes through the membranes by some aquaporins (AQPs), known as peroxyporins. It diffuses through cells and tissues to initiate cellular effects, such as proliferation, the recruitment of immune cells, and cell shape changes. Therefore, it has been proposed that H2O2 has the same importance as Ca2+ or adenosine triphosphate (ATP) to act as modulators in signaling and the metabolism. The present overview focuses on the metabolic processes of liver and adipose tissue, regulated by the H2O2 generated by NOXs.
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26
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Hernández-Arciga U, Hernández-Álvarez D, López-Cervantes SP, López-Díazguerrero NE, Alarcón-Aguilar A, Luna-López A, Königsberg M. Effect of long-term moderate-exercise combined with metformin-treatment on antioxidant enzymes activity and expression in the gastrocnemius of old female Wistar rats. Biogerontology 2020; 21:787-805. [PMID: 32749628 DOI: 10.1007/s10522-020-09894-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/30/2020] [Indexed: 11/27/2022]
Abstract
Oxidative stress is known to be involved in the etiology of sarcopenia, a progressive loss of muscle mass and force related to elderly incapacity. A successful intervention to prevent this condition has been exercise-based therapy. Metformin (MTF), an anti-diabetic drug with pleiotropic effects, is known to retain redox homeostasis. However, the combined use of MTF with exercise has shown controversial experimental results. Our research group has shown that MTF-treatment does not limit the benefits provided by exercise, probably by inducing a hormetic response. Hence, our aim was to evaluate the effect of exercise in combination with MTF-treatment on the redox state of old female Wistar rats. Animals were divided into six groups; three groups preformed exercise on a treadmill for 5 days/week for 20 months and the other three were sedentary. Also, two groups of each, exercised and sedentary animals were treated with MTF for 6 or 12 months correspondingly, beside the untreated groups. Rats were euthanized at 24 months. Muscular functionality was analyzed as the relation between the lean mass free of bone with respect to the grip strength. Superoxide dismutase, catalase, and glutathione peroxidase content, enzymatic activity and redox state were determined in the gastrocnemius muscle. Our results showed that the exercised group treated with MTF for 12 months presented higher GSH/GSSG rate and high antioxidant scavenging power in contrast to the MTF-treatment for 6 months, where the beneficial effect was less noticeable.
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Affiliation(s)
- Ulalume Hernández-Arciga
- Lab. Bioenergética y Envejecimiento Celular, Depto de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, A.P. 55-535, C.P. 09340, Ciudad de México, Mexico
| | - David Hernández-Álvarez
- Lab. Bioenergética y Envejecimiento Celular, Depto de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, A.P. 55-535, C.P. 09340, Ciudad de México, Mexico
- Posgrado en Ciencias Biológicas, Universidad Autónoma Metropolitana, Ciudad de México, Mexico
| | - Stefanie Paola López-Cervantes
- Lab. Bioenergética y Envejecimiento Celular, Depto de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, A.P. 55-535, C.P. 09340, Ciudad de México, Mexico
- Posgrado en Biología Experimental, Universidad Autónoma Metropolitana-Iztapalapa, Ciudad de México, Mexico
| | - Norma Edith López-Díazguerrero
- Lab. Bioenergética y Envejecimiento Celular, Depto de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, A.P. 55-535, C.P. 09340, Ciudad de México, Mexico
| | - Adriana Alarcón-Aguilar
- Lab. Bioenergética y Envejecimiento Celular, Depto de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, A.P. 55-535, C.P. 09340, Ciudad de México, Mexico
| | | | - Mina Königsberg
- Lab. Bioenergética y Envejecimiento Celular, Depto de Ciencias de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, A.P. 55-535, C.P. 09340, Ciudad de México, Mexico.
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