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Wang X, Shelton SD, Bordieanu B, Frank AR, Yi Y, Venigalla SSK, Gu Z, Lenser NP, Glogauer M, Chandel NS, Zhao H, Zhao Z, McFadden DG, Mishra P. Scinderin promotes fusion of electron transport chain dysfunctional muscle stem cells with myofibers. NATURE AGING 2022; 2:155-169. [PMID: 35342888 PMCID: PMC8954567 DOI: 10.1038/s43587-021-00164-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
Muscle stem cells (MuSCs) experience age-associated declines in number and function, accompanied by mitochondrial electron transport chain (ETC) dysfunction and increased reactive oxygen species (ROS). The source of these changes, and how MuSCs respond to mitochondrial dysfunction, is unknown. We report here that in response to mitochondrial ROS, murine MuSCs directly fuse with neighboring myofibers; this phenomenon removes ETC-dysfunctional MuSCs from the stem cell compartment. MuSC-myofiber fusion is dependent on the induction of Scinderin, which promotes formation of actin-dependent protrusions required for membrane fusion. During aging, we find that the declining MuSC population accumulates mutations in the mitochondrial genome, but selects against dysfunctional variants. In the absence of clearance by Scinderin, the decline in MuSC numbers during aging is repressed; however, ETC-dysfunctional MuSCs are retained and can regenerate dysfunctional myofibers. We propose a model in which ETC-dysfunctional MuSCs are removed from the stem cell compartment by fusing with differentiated tissue.
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Affiliation(s)
- Xun Wang
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Spencer D Shelton
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Bogdan Bordieanu
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Present Address: Department of Neuroscience, Medical University of South Carolina, Charleston, SC 29425 USA
| | - Anderson R Frank
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Internal Medicine, Division of Endocrinology, Program in Molecular Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390 USA
| | - Yating Yi
- Department of Comprehensive Dentistry, College of Dentistry, Texas A&M University, Dallas, TX 75246, USA
- Present address: State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041 China
| | - Siva Sai Krishna Venigalla
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Zhimin Gu
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Nicholas P Lenser
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Present address: Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Michael Glogauer
- Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
| | - Navdeep S Chandel
- Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
- Department of Biochemistry & Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Hu Zhao
- Department of Comprehensive Dentistry, College of Dentistry, Texas A&M University, Dallas, TX 75246, USA
- Present address: The Chinese Institute for Brain Research, Beijing, China
| | - Zhiyu Zhao
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - David G McFadden
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Internal Medicine, Division of Endocrinology, Program in Molecular Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390 USA
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390 USA
| | - Prashant Mishra
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390 USA
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX 75390
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DOS REIS TMP, AGUIAR GG, BARBOSA-FILHO V, LIMA EDS, ROSSATO M. Effect of açai supplementation (Euterpe Oleracea Mart.) associated with exercise in animals and human: a scoping review. REV NUTR 2022. [DOI: 10.1590/1678-9865202235e210266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
ABSTRACT Objective This scoping review aimed to map evidence on açai supplementation combined with exercise in animal and/or human experimental studies. Methods The search considered six electronic databases and screening of relevant references. The selection process and data extraction were performed by two independent authors. The study characteristics, and AS (e.g., form, intervention time, amount ingested) and exercise (e.g., types, intensity, and duration) strategies were summarized, as well as their reported results. Results From an initial total of 342 studies identified; 11 (5 with animal and 6 with human models) were eligible. In animals, açai supplementation and exercise led to benefits in exercise tolerance and improvements in several hemodynamic parameters, as well as significant improvements in liver markers and glucose metabolism. In humans, açai supplementation indicated positive results in increasing exhaustion time to 90% of VO2max and increasing intensity at the anaerobic threshold. Conclusion We conclude that future research involving animals and humans should examine açai supplementation and exercise with (a) obesity models to test the effect of adiponectin on body composition with analysis of histological and histochemical parameters; (b) eccentric injury protocols with the incorporation of muscle quality variables to assess recovery; (c) chronic açai supplementation and strength training; (d) comparison of different forms of açai supplementation in exercise protocols.
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Campos-Pérez J, Páscoa RNMJ, Lopes JA, Cámara-Martos F. Relationship Between Gymnastic Rhythmic Practice and Body Composition, Physical Performance, and Trace Element Status in Young Girls. Biol Trace Elem Res 2022; 200:84-95. [PMID: 33650063 DOI: 10.1007/s12011-021-02651-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/22/2021] [Indexed: 10/22/2022]
Abstract
This study evaluates the influence on body development of doing rhythmic gymnastics in girls from 10 to 17 years of age, the results of certain strength and flexibility abilities, and the trace element status (Ca, Fe, Zn, Cu, Mn, Cr, and Ni). The subjects were divided into three groups: (a) girls who practiced rhythmic gymnastics at a competition level (competition group); (b) girls who practiced this sport at a non-competitive level (training group); and (c) girls who do not practice any sport and with a low level of physical activity (control or sedentary group). Trace element status was determined in hair and urine samples. Results showed that doing rhythmic gymnastics does not alter the normal physical development of muscle mass, and even leads to a decrease in body fat content. Furthermore, better scores in the strength and flexibility test were obtained by the participants of this sports discipline. Statistically significant differences in urine Fe, Cu, and Mn values (p < 0.05) and in hair Cr, Cu, and Mn values (p < 0.05) were found between the two rhythmic gymnastics groups and the control group, and were higher in the competition and training groups. A principal component analysis model was performed to evaluate the possibility of cluster formation among the girls. The PCA results revealed a separation between the different groups although the separation was not perfect. PLS-DA was attempted in order to verify whether it was possible to discriminate between the groups included in this study. It was clear that the competition and control ones were very well classified (around 95% of correct predictions) but 20% of the girls belonging to the training group were misclassified as belonging to the competition one.
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Affiliation(s)
- Julián Campos-Pérez
- Department of Food Science and Technology, Rabanales University Campus, University of Cordoba, Cordoba, Spain.
| | - Ricardo N M J Páscoa
- LAQV/REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - João Almeida Lopes
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisboa, Portugal
| | - Fernando Cámara-Martos
- Department of Food Science and Technology, Rabanales University Campus, University of Cordoba, Cordoba, Spain
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Sutkowy P, Woźniak A, Mila-Kierzenkowska C, Szewczyk-Golec K, Wesołowski R, Pawłowska M, Nuszkiewicz J. Physical Activity vs. Redox Balance in the Brain: Brain Health, Aging and Diseases. Antioxidants (Basel) 2021; 11:antiox11010095. [PMID: 35052600 PMCID: PMC8773223 DOI: 10.3390/antiox11010095] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/17/2021] [Accepted: 12/29/2021] [Indexed: 12/12/2022] Open
Abstract
It has been proven that physical exercise improves cognitive function and memory, has an analgesic and antidepressant effect, and delays the aging of the brain and the development of diseases, including neurodegenerative disorders. There are even attempts to use physical activity in the treatment of mental diseases. The course of most diseases is strictly associated with oxidative stress, which can be prevented or alleviated with regular exercise. It has been proven that physical exercise helps to maintain the oxidant–antioxidant balance. In this review, we present the current knowledge on redox balance in the organism and the consequences of its disruption, while focusing mainly on the brain. Furthermore, we discuss the impact of physical activity on aging and brain diseases, and present current recommendations and directions for further research in this area.
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The active grandparent hypothesis: Physical activity and the evolution of extended human healthspans and lifespans. Proc Natl Acad Sci U S A 2021; 118:2107621118. [PMID: 34810239 DOI: 10.1073/pnas.2107621118] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The proximate mechanisms by which physical activity (PA) slows senescence and decreases morbidity and mortality have been extensively documented. However, we lack an ultimate, evolutionary explanation for why lifelong PA, particularly during middle and older age, promotes health. As the growing worldwide epidemic of physical inactivity accelerates the prevalence of noncommunicable diseases among aging populations, integrating evolutionary and biomedical perspectives can foster new insights into how and why lifelong PA helps preserve health and extend lifespans. Building on previous life-history research, we assess the evidence that humans were selected not just to live several decades after they cease reproducing but also to be moderately physically active during those postreproductive years. We next review the longstanding hypothesis that PA promotes health by allocating energy away from potentially harmful overinvestments in fat storage and reproductive tissues and propose the novel hypothesis that PA also stimulates energy allocation toward repair and maintenance processes. We hypothesize that selection in humans for lifelong PA, including during postreproductive years to provision offspring, promoted selection for both energy allocation pathways which synergistically slow senescence and reduce vulnerability to many forms of chronic diseases. As a result, extended human healthspans and lifespans are both a cause and an effect of habitual PA, helping explain why lack of lifelong PA in humans can increase disease risk and reduce longevity.
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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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Genetically Encoded Biosensors to Monitor Intracellular Reactive Oxygen and Nitrogen Species and Glutathione Redox Potential in Skeletal Muscle Cells. Int J Mol Sci 2021; 22:ijms221910876. [PMID: 34639217 PMCID: PMC8509583 DOI: 10.3390/ijms221910876] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/01/2021] [Accepted: 10/05/2021] [Indexed: 12/22/2022] Open
Abstract
Reactive oxygen and nitrogen species (RONS) play an important role in the pathophysiology of skeletal muscle and are involved in the regulation of intracellular signaling pathways, which drive metabolism, regeneration, and adaptation in skeletal muscle. However, the molecular mechanisms underlying these processes are unknown or partially uncovered. We implemented a combination of methodological approaches that are funded for the use of genetically encoded biosensors associated with quantitative fluorescence microscopy imaging to study redox biology in skeletal muscle. Therefore, it was possible to detect and monitor RONS and glutathione redox potential with high specificity and spatio-temporal resolution in two models, isolated skeletal muscle fibers and C2C12 myoblasts/myotubes. Biosensors HyPer3 and roGFP2-Orp1 were examined for the detection of cytosolic hydrogen peroxide; HyPer-mito and HyPer-nuc for the detection of mitochondrial and nuclear hydrogen peroxide; Mito-Grx1-roGFP2 and cyto-Grx1-roGFP2 were used for registration of the glutathione redox potential in mitochondria and cytosol. G-geNOp was proven to detect cytosolic nitric oxide. The fluorescence emitted by the biosensors is affected by pH, and this might have masked the results; therefore, environmental CO2 must be controlled to avoid pH fluctuations. In conclusion, genetically encoded biosensors and quantitative fluorescence microscopy provide a robust methodology to investigate the pathophysiological processes associated with the redox biology of skeletal muscle.
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Zhang J, Chen L, Zhang L, Chen Q, Tan F, Zhao X. Effect of Lactobacillus fermentum HFY03 on the Antifatigue and Antioxidation Ability of Running Exhausted Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8013681. [PMID: 34621465 PMCID: PMC8492249 DOI: 10.1155/2021/8013681] [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: 07/25/2021] [Accepted: 09/07/2021] [Indexed: 02/07/2023]
Abstract
Yak yogurt is mainly produced in Qinghai-Tibet Plateau. It is a kind of naturally fermented dairy product. It contains abundant microorganisms. Lactobacillus fermentum (LF) HFY03 is a lactic acid bacteria derived from it. Our main research content is to study the influence of LF-HFY03 on the antifatigue and antioxidation ability of running exhausted mice. We gave different doses of LF-HFY03 to mice by gavage for 4 weeks. We selected vitamin C as the positive control group, mainly to study the relationship between antioxidant capacity and fatigue resistance and LF-HFY03 in mice with running exhaustion. The results showed that LF-HFY03 and vitamin C could significantly improve the running time of mice. And with the increase in LF-HFY03 concentration, the exhaustion time of mice was also extended. LF-HFY03 can reduce the content of urea nitrogen and lactic acid and also can increase the content of free fatty acids and liver glycogen. The levels of alanine aminotransferase, serum creatine kinase, and aspartate aminotransferase in mice decreased gradually as the antioxidant peptide level of walnut albumin increased. LF-HFY03 can reduce malondialdehyde (MDA) levels in a quantification-dependent manner and can also increase catalase (CAT) and superoxide dismutase (SOD) levels. LF-HFY03 can also increase the expressions of CAT mRNA, Cu/Zn-SOD, and Mn-SOD in the liver of mice. At the same time, LF-HFY03 can also increase the expression of protein of threonine transporter 1 (AST1)/alanine/cysteine/serine, mRNA, nNOS, and eNOS. At the same time, the solution could reduce the expression of TNF-α, syncytin-1, and inducible nitric oxide synthase (iNOS). The results showed that LF-HFY03 has a high development and application prospect as an antifatigue probiotic nutritional supplement.
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Affiliation(s)
- Junxiao Zhang
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing Engineering Research Center of Functional Food, Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing 400067, China
- School of Teacher Development, Chongqing University of Education, Chongqing 400067, China
| | - Ling Chen
- Department of Pharmacy, Xindu District People's Hospital of Chengdu, Chengdu, 610500 Sichuan, China
| | - Lingyan Zhang
- School of Continuing Education, Chongqing University of Education, Chongqing 400067, China
| | - Qiuping Chen
- Department of Education, Our Lady of Fatima University, Valenzuela 838, Philippines
| | - Fang Tan
- Department of Public Health, Our Lady of Fatima University, 838 Valenzuela, Philippines
| | - Xin Zhao
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing Engineering Research Center of Functional Food, Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing 400067, China
- School of Teacher Development, Chongqing University of Education, Chongqing 400067, China
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Effect of Tadalafil Administration on Redox Homeostasis and Polyamine Levels in Healthy Men with High Level of Physical Activity. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18199962. [PMID: 34639267 PMCID: PMC8508218 DOI: 10.3390/ijerph18199962] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/14/2021] [Accepted: 09/20/2021] [Indexed: 01/07/2023]
Abstract
Background: The phosphodiesterase type 5 inhibitor (PDE5I) tadalafil, in addition to its therapeutic role, has shown antioxidant effects in different in vivo models. Supplementation with antioxidants has received interest as a suitable tool for preventing or reducing exercise-related oxidative stress, possibly leading to the improvement of sport performance in athletes. However, the use/abuse of these substances must be evaluated not only within the context of amateur sport, but especially in competitions where elite athletes are more exposed to stressful physical practice. To date, very few human studies have addressed the influence of the administration of PDE5Is on redox balance in subjects with a fitness level comparable to elite athletes; therefore, the aim of this study was to investigate for the first time whether acute ingestion of tadalafil could affect plasma markers related to cellular damage, redox homeostasis, and blood polyamines levels in healthy subjects with an elevated cardiorespiratory fitness level. Methods: Healthy male volunteers (n = 12), with a VO2max range of 40.1–56.0 mL/(kg × min), were administered with a single dose of tadalafil (20 mg). Plasma molecules related to muscle damage and redox-homeostasis, such as creatine kinase (CK), lactate dehydrogenase (LDH), total antioxidant capacity (TAC), reduced/oxidized glutathione ratio (GSH/GSSG), free thiols (FTH), antioxidant enzyme activities (superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx)), as well as thiobarbituric acid reactive substances (TBARs), protein carbonyls (PrCAR), and polyamine levels (spermine (Spm) and spermidine (Spd)) were evaluated immediately before and 2, 6 and 24 hours after the acute tadalafil administration. Results: A single tadalafil administration induced an increase in CK and LDH plasma levels 24 after consumption. No effects were observed on redox homeostasis or antioxidant enzyme activities, and neither were they observed on the oxidation target molecules or polyamines levels. Conclusion: Our results show that in subjects with an elevated fitness level, a single administration of tadalafil induced a significant increase in muscle damage target without affecting plasma antioxidant status.
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Kruk J, Aboul-Enein BH, Duchnik E. Exercise-induced oxidative stress and melatonin supplementation: current evidence. J Physiol Sci 2021; 71:27. [PMID: 34470608 PMCID: PMC8409271 DOI: 10.1186/s12576-021-00812-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 08/18/2021] [Indexed: 02/07/2023]
Abstract
Melatonin possesses the indoleamine structure and exerts antioxidant and anti-inflammatory actions and other physiological properties. Physical exercise can influence secretion of melatonin. Melatonin is used as a natural supplement among athletes to regulate sleep cycles and protect muscles against oxidative damage. Despite decades of research, there is still a lack of a comprehensive and critical review on melatonin supplementation and physical activity relationship. The aim of this literature review is to examine the antioxidant, anti-inflammatory and other biological functions played by melatonin with reference to the effect of physical exercise on melatonin secretion and the effect of this compound supplementation on exercise-induced oxidative stress in athletes. Evidence shows that intense exercises disturb antioxidant status of competitive athletes, whereas supplementation with melatonin strengthens antioxidant status in trained athletes in various sports as the compound showed high potency in reduction of the oxidative stress and inflammation markers generated during intense and prolonged exercise.
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Affiliation(s)
- Joanna Kruk
- Faculty of Physical Culture and Health, University of Szczecin, Szczecin, Poland.
| | | | - Ewa Duchnik
- Department of Aesthetic Dermatology, Pomeranian Medical University, Szczecin, Poland
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Corr LD, Field A, Pufal D, Clifford T, Harper LD, Naughton RJ. The effects of cocoa flavanols on indices of muscle recovery and exercise performance: a narrative review. BMC Sports Sci Med Rehabil 2021; 13:90. [PMID: 34391456 PMCID: PMC8364049 DOI: 10.1186/s13102-021-00319-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 07/29/2021] [Indexed: 12/18/2022]
Abstract
Exercise-induced muscle damage (EIMD) is associated with oxidative stress and inflammation, muscle soreness, and reductions in muscle function. Cocoa flavanols (CF) are (poly)phenols with antioxidant and anti-inflammatory effects and thus may attenuate symptoms of EIMD. The purpose of this narrative review was to collate and evaluate the current literature investigating the effect of CF supplementation on markers of exercise-induced oxidative stress and inflammation, as well as changes in muscle function, perceived soreness, and exercise performance. Acute and sub-chronic intake of CF reduces oxidative stress resulting from exercise. Evidence for the effect of CF on exercise-induced inflammation is lacking and the impact on muscle function, perceived soreness and exercise performance is inconsistent across studies. Supplementation of CF may reduce exercise-induced oxidative stress, with potential for delaying fatigue, but more evidence is required for any definitive conclusions on the impact of CF on markers of EIMD.
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Affiliation(s)
- Liam D Corr
- School of Human and Health Sciences, University of Huddersfield, Huddersfield, UK
| | - Adam Field
- School of Human and Health Sciences, University of Huddersfield, Huddersfield, UK
| | - Deborah Pufal
- School of Human and Health Sciences, University of Huddersfield, Huddersfield, UK
| | - Tom Clifford
- School of Sport, Health, and Exercise Sciences, Loughborough University, Loughborough, UK
| | - Liam D Harper
- School of Human and Health Sciences, University of Huddersfield, Huddersfield, UK
| | - Robert J Naughton
- School of Human and Health Sciences, University of Huddersfield, Huddersfield, UK.
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Ishihara R, Barros MPD, Silva CMD, Borges LDS, Hatanaka E, Lambertucci RH. Melatonin improves the antioxidant capacity in cardiac tissue of Wistar rats after exhaustive exercise. Free Radic Res 2021; 55:776-791. [PMID: 34100318 DOI: 10.1080/10715762.2021.1939024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
We investigated the effects of melatonin on the onset and resolution of the oxidative stress in the cardiac muscle in melatonin-treated and nontreated rats subjected to an exhaustive exercise session. Forty male rats were divided into: melatonin-treated (20 mg/kg supplemented for 10 d) and control. On the 10th day, each group was subdivided according to euthanasia moments: control or melatonin-treated not exercised (C0h and M0h); immediately after the exercise (CIA and MIA); and 2 h after exercise (C2h and M2h). The heart of animals was removed and the levels of oxidative stress index (OSI) and the formation of thiobarbituric acid reactive substances (TBARS), protein carbonyl, and the activities of aconitase, catalase (CAT), glutathione peroxidase (GPx), and superoxide dismutase (SOD) were evaluated. Total antioxidant status (TAS), total oxidant status (TOS), and the protein expression of CAT, GPx, and SOD was also measured. Our data revealed significant differences on: (i) OSI (p=.029), CAT activity (p=.016), CAT content (p<.001), GPx content (p=.014), reduced glutathione levels (p<.001), and aconitase activity (p<.001) for interaction of melatonin; (ii) GPx activity (p=.005), reduced glutathione (p=.004), protein carbonyl (p=.035), and TBARS levels (p=.028) between groups, and (iii) TBARS levels (p=.016) for significance between moments. Although the exhaustive exercise protocol imposed mild oxidative stress on the cardiac tissue of rats, melatonin induced antioxidant responses that rebalanced the redox status of the cardiac tissue, especially after exhaustive exercise.
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Affiliation(s)
- Rafael Ishihara
- Department of Biosciences, Federal University of Sao Paulo, Santos, Brazil
| | - Marcelo Paes de Barros
- Institute of Physical Activity Sciences and Sports (ICAFE), Cruzeiro do Sul University, São Paulo, Brazil
| | | | - Leandro da Silva Borges
- Institute of Physical Activity Sciences and Sports (ICAFE), Cruzeiro do Sul University, São Paulo, Brazil
| | - Elaine Hatanaka
- Institute of Physical Activity Sciences and Sports (ICAFE), Cruzeiro do Sul University, São Paulo, Brazil
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Ma X, Chen H, Cao L, Zhao S, Zhao C, Yin S, Hu H. Mechanisms of Physical Fatigue and its Applications in Nutritional Interventions. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6755-6768. [PMID: 34124894 DOI: 10.1021/acs.jafc.1c01251] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Physical fatigue during exercise can be defined as an impairment of physical performance. Multiple factors have been found contributing to physical fatigue, including neurotransmitter-mediated defense action, insufficient energy supply, and induction of oxidative stress. These mechanistic findings provide a sound theoretical rationale for nutritional intervention since most of these factors can be modulated by nutrient supplementation. In this review, we summarize the current evidence regarding the functional role of nutrients supplementation in managing physical performance and propose the issues that need to be addressed for better utilization of nutritional supplementation approach to improve physical performance.
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Affiliation(s)
- Xuan Ma
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Hui Chen
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Lixing Cao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Shuang Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Chong Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Shutao Yin
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Hongbo Hu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
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Effects of Vitamin E and Coenzyme Q 10 Supplementation on Oxidative Stress Parameters in Untrained Leisure Horses Subjected to Acute Moderate Exercise. Antioxidants (Basel) 2021; 10:antiox10060908. [PMID: 34205129 PMCID: PMC8227526 DOI: 10.3390/antiox10060908] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/25/2021] [Accepted: 06/01/2021] [Indexed: 11/25/2022] Open
Abstract
The effects of antioxidant supplements on exercise-induced oxidative stress have not been investigated in untrained leisure horses. We investigated the effects of 14-day supplementation with vitamin E (1.8 IU/kg/day), coenzyme Q10 (CoQ10; ubiquinone; 800 mg/day), and a combination of both (the same doses as in mono-supplementation) on the blood levels of CoQ10, vitamin E, and oxidative stress parameters in untrained leisure horses subjected to acute moderate exercise. Correlations between lipid peroxidation and muscle enzyme leakage were also determined. Forty client-owned horses were included in the study, with 10 horses in each of the antioxidant and placebo (paraffin oil) groups. Blood parameters were measured before supplementation, before and immediately after exercise, and after 24 h of rest. The differences in individual parameters between blood collection times and groups were analysed with linear mixed models (p ˂ 0.05). None of the supplemented antioxidants affected vitamin E and CoQ10 concentrations, oxidative stress parameters, or serum muscle enzymes. Lipid peroxidation occurred in horses supplemented with placebo and CoQ10 but not in horses supplemented with vitamin E or the combination of both antioxidants. These results suggest that vitamin E alone or in combination with CoQ10 prevented lipid peroxidation in untrained leisure horses subjected to acute moderate exercise.
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Yi R, Feng M, Chen Q, Long X, Park KY, Zhao X. The Effect of Lactobacillus plantarum CQPC02 on Fatigue and Biochemical Oxidation Levels in a Mouse Model of Physical Exhaustion. Front Nutr 2021; 8:641544. [PMID: 34095185 PMCID: PMC8173150 DOI: 10.3389/fnut.2021.641544] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 04/27/2021] [Indexed: 12/16/2022] Open
Abstract
Chinese Sichuan pickle is a fermented food rich in microorganisms. Microorganisms have the potential to become an important new form of potent future therapeutic capable of treating human disease. Selecting vitamin C as a positive control, a lactic acid bacteria (Lactobacillus plantarum CQPC02, LP-CQPC02) isolated from Sichuan pickle was given to mice over 4 weeks to investigate the effect of CQPC02 on fatigue levels and biochemical oxidation phenomena in exercise-exhausted Institute of Cancer Research (ICR) mice. The fatigue model was established by forced swimming of mice, the levels of hepatic glycogen, skeletal muscle glycogen, lactic acid, blood urea nitrogen and free fatty acid were measured by physicochemical methods, serum serum creatine kinase (CK), aspartate aminotransferase (AST) and alanine aminotransferase (ALT), superoxide dismutase (SOD), catalase (CAT) and malondialdehyde (MDA) levels were measured by kits, the histopathological changes in the livers of mice were observed by H&E slicing, and the mRNA changes in the livers and skeletal muscles were observed by quantitative polymerase chain reaction (qPCR). Both vitamin C and LP-CQPC02 increased swimming exhaustion time. The concentration of LP-CQPC02 and exhaustion time were positively correlated. LP-CQPC02 also increased liver glycogen, skeletal muscle glycogen and free fatty acid content in mice and reduced lactic acid and blood urea nitrogen content in a dose-dependent manner. As walnut albumin antioxidant peptide concentration increased, levels of mouse CK, AST, and AST gradually decreased. LP-CQPC02 increased SOD and CAT levels and decreased MDA levels in a dose-dependent fashion. LP-CQPC02 up-regulated expression of mRNA encoding copper/zinc-superoxide dismutase (Cu/Zn-SOD), manganese-superoxide dismutase (Mn-SOD), and CAT in swimming exhaustion mouse liver tissue. LP-CQPC02 also up-regulated alanine/serine/cysteine/threonine transporter 1 (ASCT1) expression while down-regulating syncytin-1, inducible nitric oxide synthase (iNOS), tumor necrosis factor-alpha (TNF-α) expression in swimming exhaustion mouse skeletal muscle. Overall, LP-CQPC02 had a clear anti-fatigue and anti-oxidation effect. This suggests that LP-CQPC02 can be developed as a microbiological therapeutic agent.
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Affiliation(s)
- Ruokun Yi
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing, China
| | - Min Feng
- Department of Obstetrics, Eastern Hospital, Sichuan Provincial Medical Sciences Academy and Sichuan Provincial People's Hospital, Chengdu, China
| | - Qiuping Chen
- Department of Education, Our Lady of Fatima University, Valenzuela, Philippines
| | - Xingyao Long
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing, China.,Department of Food Science and Biotechnology, Cha University, Seongnam, South Korea
| | - Kun-Young Park
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing, China.,Department of Food Science and Biotechnology, Cha University, Seongnam, South Korea
| | - Xin Zhao
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing University of Education, Chongqing, China
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Toriumi T, Kim A, Komine S, Miura I, Nagayama S, Ohmori H, Nagasaki Y. An Antioxidant Nanoparticle Enhances Exercise Performance in Rat High-intensity Running Models. Adv Healthc Mater 2021; 10:e2100067. [PMID: 33660940 DOI: 10.1002/adhm.202100067] [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: 01/12/2021] [Revised: 02/02/2021] [Indexed: 11/10/2022]
Abstract
Although the adverse effects of excessively generated reactive oxygen species (ROS) on the body during aerobic exercise have been debated, there are few reports on the remarkable effects of the application of conventional antioxidants on exercise performance. The conventional antioxidants could not enhance exercise performance due to their rapid excretion from the body and serious adverse effects on the cellular respiratory system. In this study, impact of the original antioxidant self-assembling nanoparticle, redox-active nanoparticle (RNP), is investigated on the exercise performance of rats during running experiments. With an increase in the dose of the administered RNP, the all-out time of the rat running extends in a dose-dependent manner. In contrast, with an increase in the dose of the low-molecular-weight (LMW) antioxidant, the all-out running time of the rats decreases. The control group and LMW antioxidant treated group decrease in the number of red blood cells (RBCs) and increase oxidative stress after running. However, the RNP group maintains a similar RBC level and oxidative stress as that of the sedentary group. The results suggest that RNP, which shows long-blood circulation without disturbance of mitohormesis, effectively removes ROS from the bloodstream to suppresses RBC oxidative stress and damage, thus improving exercise performance.
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Affiliation(s)
- Takuto Toriumi
- Department of Materials Science Graduate School of Pure and Applied Science University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8573 Japan
| | - Ahram Kim
- Department of Materials Science Graduate School of Pure and Applied Science University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8573 Japan
| | - Shoichi Komine
- Faculty of Health and Sport Sciences University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8574 Japan
- Faculty of Medicine University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8573 Japan
- Department of Acupuncture and Moxibustion Faculty of Human Care Teikyo Heisei University Higashi Ikebukuro 2‐51‐4, Toshima‐ku Tokyo 170‐8445 Japan
| | - Ikuru Miura
- Doctoral Program in Sports Medicine Graduate School of Comprehensive Human Sciences University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8577 Japan
| | - Suminori Nagayama
- Master's Program in Sports Medicine Graduate School of Comprehensive Human Sciences University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8574 Japan
| | - Hajime Ohmori
- Faculty of Health and Sport Sciences University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8574 Japan
| | - Yukio Nagasaki
- Department of Materials Science Graduate School of Pure and Applied Science University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8573 Japan
- Master's Program in Medical Sciences University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8573 Japan
- Center for Research in Isotopes and Environmental Dynamics University of Tsukuba Tennodai 1‐1‐1 Tsukuba Ibaraki 305‐8577 Japan
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Protective effects of whey protein concentrate admixtured of curcumin on metabolic control, inflammation and oxidative stress in Wistar rats submitted to exhaustive exercise. Br J Nutr 2021; 127:526-539. [PMID: 33902765 DOI: 10.1017/s0007114521001355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This work aimed to evaluate the effects of whey protein concentrate (WPC) admixtured of curcumin on metabolic control, inflammation and oxidative stress in Wistar rats submitted to exhaustive exercise. A total of forty-eight male rats were divided into six experimental groups (n 8): standard diet group (AIN-93M), standard diet submitted to exhaustion test group (AIN-93M ET), WPC admixtured of curcumin group (WPC + CCM), WPC + CCM submitted to exhaustion test group (WPC + CCM ET), CCM group and CCM subjected to exhaustion test group (CCM ET). The swimming exhaustion test was performed after 4 weeks of experiment. The consumption of WPC + CCM as well as isolated CCM did not alter the biometric measurements, the animals' food consumption and the hepatic and kidney function, as well as the protein balance of the animals (P > 0·05), but reduced the glycaemia and the gene expression of TNF-α and IL-6 and increased the expression of IL-10 (P < 0·05). The animals that were submitted to the exhaustion test (AIN-93M ET) showed higher aspartate aminotransferase values when compared to the animals that did not perform the exercise (AIN-93 M) (P < 0·05). WPC + CCM reduced the concentration of nitric oxide, carbonylated protein and increased the concentration of catalase (P < 0·05). Both (WPC + CCM and CCM) were able to increase the concentrations of superoxide dismutase (P < 0·05). We concluded that the WPC admixtured of CCM represents a strategy capable of decreasing blood glucose and oxidative and inflammatory damage caused by exhaustive physical exercise in swimming.
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Onoki T, Izumi Y, Takahashi M, Murakami S, Matsumaru D, Ohta N, Wati SM, Hatanaka N, Katsuoka F, Okutsu M, Yabe Y, Hagiwara Y, Kanzaki M, Bamba T, Itoi E, Motohashi H. Skeletal muscle-specific Keap1 disruption modulates fatty acid utilization and enhances exercise capacity in female mice. Redox Biol 2021; 43:101966. [PMID: 33857757 PMCID: PMC8050939 DOI: 10.1016/j.redox.2021.101966] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 03/23/2021] [Accepted: 03/31/2021] [Indexed: 12/13/2022] Open
Abstract
Skeletal muscle health is important for the prevention of various age-related diseases. The loss of skeletal muscle mass, which is known as sarcopenia, underlies physical disability, poor quality of life and chronic diseases in elderly people. The transcription factor NRF2 plays important roles in the regulation of the cellular defense against oxidative stress, as well as the metabolism and mitochondrial activity. To determine the contribution of skeletal muscle NRF2 to exercise capacity, we conducted skeletal muscle-specific inhibition of KEAP1, which is a negative regulator of NRF2, and examined the cell-autonomous and non-cell-autonomous effects of NRF2 pathway activation in skeletal muscles. We found that NRF2 activation in skeletal muscles increased slow oxidative muscle fiber type and improved exercise endurance capacity in female mice. We also observed that female mice with NRF2 pathway activation in their skeletal muscles exhibited enhanced exercise-induced mobilization and β-oxidation of fatty acids. These results indicate that NRF2 activation in skeletal muscles promotes communication with adipose tissues via humoral and/or neuronal signaling and facilitates the utilization of fatty acids as an energy source, resulting in increased mitochondrial activity and efficient energy production during exercise, which leads to improved exercise endurance. Systemic Keap1 knockdown enhances exercise endurance capacity in mice. Keap1 deficiency in skeletal muscle activates NRF2 pathway. Keap1 deficiency in skeletal muscle enhances endurance capacity in female mice. Keap1 deficiency in skeletal muscle promotes exercise-induced fatty acid utilization.
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Affiliation(s)
- Takahiro Onoki
- Department of Gene Expression Regulation, IDAC, Tohoku University, Sendai, 980-8575, Japan; Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai, 980-8575, Japan
| | - Yoshihiro Izumi
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, 812-8582, Japan
| | - Masatomo Takahashi
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, 812-8582, Japan
| | - Shohei Murakami
- Department of Gene Expression Regulation, IDAC, Tohoku University, Sendai, 980-8575, Japan
| | - Daisuke Matsumaru
- Department of Gene Expression Regulation, IDAC, Tohoku University, Sendai, 980-8575, Japan
| | - Nao Ohta
- Department of Gene Expression Regulation, IDAC, Tohoku University, Sendai, 980-8575, Japan
| | - Sisca Meida Wati
- Department of Gene Expression Regulation, IDAC, Tohoku University, Sendai, 980-8575, Japan
| | - Nozomi Hatanaka
- Department of Integrative Genomics, Tohoku Medical Megabank Organization, Tohoku University, Sendai, 980-8573, Japan
| | - Fumiki Katsuoka
- Department of Integrative Genomics, Tohoku Medical Megabank Organization, Tohoku University, Sendai, 980-8573, Japan
| | - Mitsuharu Okutsu
- Graduate School of Science, Nagoya City University, Nagoya, 467-8501, Japan
| | - Yutaka Yabe
- Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai, 980-8575, Japan
| | - Yoshihiro Hagiwara
- Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai, 980-8575, Japan
| | - Makoto Kanzaki
- Graduate School of Biomedical Engineering, Tohoku University, Sendai, 980-8575, Japan
| | - Takeshi Bamba
- Division of Metabolomics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, 812-8582, Japan
| | - Eiji Itoi
- Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai, 980-8575, Japan
| | - Hozumi Motohashi
- Department of Gene Expression Regulation, IDAC, Tohoku University, Sendai, 980-8575, Japan.
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Tsao JP, Liu CC, Wang HF, Bernard JR, Huang CC, Cheng IS. Oral Resveratrol supplementation attenuates exercise-induced Interleukin-6 but not Oxidative Stress after a high intensity cycling challenge in adults. Int J Med Sci 2021; 18:2137-2145. [PMID: 33859520 PMCID: PMC8040419 DOI: 10.7150/ijms.55633] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 02/19/2021] [Indexed: 12/14/2022] Open
Abstract
Previous studies demonstrated that resveratrol (RES) is able to enhance antioxidant, anti-inflammatory and insulin actions in humans. It is unclear whether RES can be used as ergogenic aids to enhance high-intensity cycling exercise performance and attenuate the high-intensity exercise-induced oxidative stress and inflammation. This study investigated the effect of RES supplementation on oxidative stress, inflammation, exercise-induced fatigue, and endurance performance. Eight male athletes participated in this single-blind crossover designed study and randomly instructed to receive four days of either oral RES (480 mg per day, totally 1920mg) or placebo supplementation. The cycling exercise challenge at 80% maximal oxygen consumption with 60 rpm was performed following 4 days of either RES or placebo supplementation. The total cycling performance time was recorded. In addition, blood samples were obtained to analyze the changes in blood glucose, plasma non-esterified fatty acid, serum lactate dehydrogenase, creatine kinase, uric acid, total antioxidant capacity, malondialdehyde, tumor necrosis factor-α, and interleukin-6. The exhausting time of cycling exercise challenge was not significantly increased in RES compared to that in placebo. However, IL-6 response was significantly decreased during exercise challenge in RES trial, and there were no differences in blood biomarkers, fatigue factors, and antioxidative response. Oral RES supplementation can attenuate exercise-induced IL-6 response but not fatigue and oxidative stress, inflammation response. However, we infer that 4-day oral RES supplementation has no ergogenic property on enhancing the high-intensity cycling exercise performance.
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Affiliation(s)
- Jung-Piao Tsao
- Department of Physical Education, National Taichung University of Education, Taichung City, Taiwan
| | - Chia-Chen Liu
- Department of Physical Education, National Taichung University of Education, Taichung City, Taiwan
| | - Hsueh-Fang Wang
- Department of Nutrition, Institute of Biomedical Nutrition, Hungkuang University, Taichung City, Taiwan
| | - Jeffrey R. Bernard
- Department of Kinesiology, California State University, Stanislaus, Turlock, CA, USA
| | - Chun-Ching Huang
- Department of Exercise and Health Science, National Taipei University of Nursing and Health Science, Taipei City, Taiwan
| | - I-Shiung Cheng
- Department of Physical Education, National Taichung University of Education, Taichung City, Taiwan
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Raberin A, Nader E, Lopez Ayerbe J, Alfonsi G, Mucci P, Rytz CL, Pialoux V, Durand F. Pro-Oxidant/Antioxidant Balance during a Prolonged Exposure to Moderate Altitude in Athletes Exhibiting Exercise-Induced Hypoxemia at Sea-Level. Life (Basel) 2021; 11:life11030228. [PMID: 33799611 PMCID: PMC8001482 DOI: 10.3390/life11030228] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 12/16/2022] Open
Abstract
This study examined to what extent athletes exhibiting exercise-induced hypoxemia (EIH) possess an altered redox status at rest, in response to exercise at sea level (SL) and during moderate altitude exposure. EIH was defined as a fall in arterial O2 saturation of at least 4% during exercise. Nine endurance athletes with EIH and ten without (NEIH) performed a maximal incremental test under three conditions: SL, one (H1) and five (H2) days after arrival to 2400 m. Gas exchange and peripheral capillary oxygen saturation (SpO2) were continuously monitored. Blood was sampled before exercise and after exercise cessation. Advanced oxidation protein products (AOPP), catalase, ferric-reducing antioxidant power, glutathione peroxidase, superoxide dismutase (SOD) and nitric oxide metabolites (NOx) were measured in plasma by spectrophotometry. EIH athletes had higher AOPP and NOx concentrations at pre- and post-exercise stages compared to NEIH at SL, H2 but not at H1. Only the EIH group experienced increased SOD activity between pre- and post-exercise exercise at SL and H2 but not at H1. EIH athletes had exacerbated oxidative stress compared to the NEIH athletes at SL and H2. These differences were blunted at H1. Oxidative stress did not alter the EIH groups’ aerobic performance and could lead to higher minute ventilation at H2. These results suggest that higher oxidative stress response EIH athletes could be involved in improved aerobic muscle functionality and a greater ventilatory acclimatization during prolonged hypoxia.
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Affiliation(s)
- Antoine Raberin
- Laboratoire Européen Performance Santé Altitude (LEPSA), EA 4604, Université de Perpignan Via Domitia, 66120 Font Romeu, France;
- Correspondence: ; Tel.: +33-6-8217-3800
| | - Elie Nader
- Team « Vascular Biology and Red Blood Cell », Univ Lyon, Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA 7424, Université Claude Bernard Lyon 1, 69000 Lyon, France; (E.N.); (G.A.)
- Laboratoire d’Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, 75000 Paris, France
| | | | - Gauthier Alfonsi
- Team « Vascular Biology and Red Blood Cell », Univ Lyon, Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA 7424, Université Claude Bernard Lyon 1, 69000 Lyon, France; (E.N.); (G.A.)
| | - Patrick Mucci
- ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, Univ. Lille, Univ. Artois, Univ. Littoral Côte d’Opale, 59000 Lille, France;
| | - Chantal L. Rytz
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AL T2P 2M5, Canada;
- Libin Cardiovascular Institute of Alberta, Cumming School of Medicine, University of Calgary, Calgary, AL T2P 2M5, Canada
| | - Vincent Pialoux
- Team « Atherosclerosis, Thrombosis and Physical Activity », Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Univ Lyon, Université Claude Bernard Lyon 1, 69000 Lyon, France;
- Institut Universitaire de France, 75000 Paris, France
| | - Fabienne Durand
- Laboratoire Européen Performance Santé Altitude (LEPSA), EA 4604, Université de Perpignan Via Domitia, 66120 Font Romeu, France;
- IMAGES ESPACE-DEV, UMR228, Université de Perpignan Via Domitia, 66000 Perpignan, France
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The Effect of Creatine Supplementation on Markers of Exercise-Induced Muscle Damage: A Systematic Review and Meta-Analysis of Human Intervention Trials. Int J Sport Nutr Exerc Metab 2021; 31:276-291. [PMID: 33631721 DOI: 10.1123/ijsnem.2020-0282] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 12/21/2020] [Accepted: 12/22/2020] [Indexed: 11/18/2022]
Abstract
This systematic review and meta-analysis examined the effects of creatine supplementation on recovery from exercise-induced muscle damage, and is reported according to the PRISMA guidelines. MEDLINE and SPORTDiscus were searched for articles from inception until April 2020. Inclusion criteria were adult participants (≥18 years); creatine provided before and/or after exercise versus a noncreatine comparator; measurement of muscle function recovery, muscle soreness, inflammation, myocellular protein efflux, oxidative stress; range of motion; randomized controlled trials in humans. Thirteen studies (totaling 278 participants; 235 males and 43 females; age range 20-60 years) were deemed eligible for analysis. Data extraction was performed independently by both authors. The Cochrane Collaboration Risk of Bias Tool was used to critically appraise the studies; forest plots were generated with random-effects model and standardized mean differences. Creatine supplementation did not alter muscle strength, muscle soreness, range of motion, or inflammation at each of the five follow-up times after exercise (<30 min, 24, 48, 72, and 96 hr; p > .05). Creatine attenuated creatine kinase activity at 48-hr postexercise (standardized mean difference: -1.06; 95% confidence interval [-1.97, -0.14]; p = .02) but at no other time points. High (I2; >75%) and significant (Chi2; p < .01) heterogeneity was identified for all outcome measures at various follow-up times. In conclusion, creatine supplementation does not accelerate recovery following exercise-induced muscle damage; however, well-controlled studies with higher sample sizes are warranted to verify these conclusions. Systematic review registration (PROSPERO CRD42020178735).
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Nrf2 a molecular therapeutic target for Astaxanthin. Biomed Pharmacother 2021; 137:111374. [PMID: 33761600 DOI: 10.1016/j.biopha.2021.111374] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/02/2021] [Accepted: 02/08/2021] [Indexed: 12/20/2022] Open
Abstract
Astaxanthin (ATX) is a red pigment carotenoid present in shrimp, salmon, crab, and asteroidean. Several studies have corroborated the anti-oxidant efficacy of ATX. In addition, ATX has anti-inflammatory, anti-apoptotic and anti-proliferative properties. In the present review, we discuss the role of Nrf2 in mediating the anti-cancer, anti-aging, neuroprotective, lung-protective, skin-protective, cardioprotective, hepatoprotective, anti-diabetic and muscloprotective effects of ATX.
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74
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Thirupathi A, Pinho RA, Ugbolue UC, He Y, Meng Y, Gu Y. Effect of Running Exercise on Oxidative Stress Biomarkers: A Systematic Review. Front Physiol 2021; 11:610112. [PMID: 33551836 PMCID: PMC7854914 DOI: 10.3389/fphys.2020.610112] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 12/16/2020] [Indexed: 12/13/2022] Open
Abstract
Background: Exercise induced health benefits are limited by the overaccumulation of reactive oxygen species (ROS). ROS and further oxidative stress could potentially induce muscle damage which could result in poor exercise performance. However, predicting ROS induced oxidative stress in response to endurance training has several limitations in terms of selecting biomarkers that are used to measure oxidative stress. Objective: The purpose of this study was to systematically investigate the suitable biomarkers that predict oxidative stress status among runners. Methods: According to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement, a search for relevant articles was carried out on PubMed/Medline, ISI Web of Science, and Google Scholar using related search terms such as oxidative damage, ROS, exercise, physical training, running, marathon, and ultramarathon. Results: Outcomes included (1) running programs like a half-marathon, ultramarathon, and iron-man race, (2) measuring biochemical assessment of oxidative damage markers such as malondialdehyde (MDA), protein carbonyl (PC), total antioxidant capacity (TAC), thiobarbituric acid reactive substances (TBARS), 8-Oxo-2'-deoxyguanosine (8-OH-dG), 4-hydroxynonenal (HNE), and F1-isoprostones, and enzymatic and non-enzymatic antioxidants level. Conclusions: This study concluded that a running exercise does not elicit a response to specific biomarkers of oxidative stress, instead, oxidative damage markers of lipids, proteins, and various enzymatic and non-enzymatic antioxidants are expressed according to the training status of the individual.
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Affiliation(s)
| | - Ricardo A Pinho
- Laboratory of Exercise Biochemistry in Health, Graduate Program in Health Sciences, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
| | - Ukadike C Ugbolue
- School of Health and Life Sciences, University of the West of Scotland, Scotland, United Kingdom
| | - Yuhuan He
- Faculty of Sports Science, Ningbo University, Ningbo, China
| | - Yao Meng
- Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo, China
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75
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Zhang Y, Li A, Yang X. Effect of lemon seed flavonoids on the anti-fatigue and antioxidant effects of exhausted running exercise mice. J Food Biochem 2021; 45:e13620. [PMID: 33533497 DOI: 10.1111/jfbc.13620] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 12/07/2020] [Accepted: 01/04/2021] [Indexed: 01/10/2023]
Abstract
In this research, mice were gavaged with different doses of lemon seed flavonoids (LSF) for 4 weeks, and vitamin C was used as a positive control to investigate its effects on anti-fatigue and antioxidant capacity in exhaustively exercised mice. The results obtained from the study indicated that both vitamin C and LSF could significantly increase the running exhaustion time of mice, and the exhaustion time of mice was prolonged with increasing LSF concentration. LSF can increase hepatic glycogen and the free fatty acid content and reduce the lactate and urea nitrogen contents in a dose-dependent manner in mice. Serum CK, AST, and ALT levels in mice decreased gradually with increasing LSF concentration. LSF increased SOD and CAT levels and decreased MDA levels in mice in a dose-dependent manner. LSF could also enhance nNOS, eNOS, and ASCT1 mRNA expression and decrease syncytin-1, iNOS and TNF-α expression in the skeletal muscle of mice. By HPLC analysis, LSF was found to contain epigallocatechin, caffeic acid, epicatechin, vitexin, quercetin, and hesperidin, which are common flavonoids of this species. Thus, it was observed that LSF has good anti-fatigue and antioxidant capacities, and its anti-fatigue effect is related to improving the hepatic glycogen reserve capacity, increasing fat mobilization, and reducing lactate accumulation and protein decomposition. The antioxidant capacity of LSF is related to scavenging free radicals and reducing lipid peroxidation, and its antioxidant effect comes from its five antioxidant flavonoids. In conclusion, LSF has high development and application prospects in nutritional supplements. PRACTICAL APPLICATIONS: Lemon seed is the waste of lemon processing, which contains abundant flavonoids. The flavonoids in lemon seed can be used to exert its antioxidant effect and recover from exhausted exercise. Therefore, it can be concluded that lemon seed flavonoids are functional components that can be used as exercise recovery substances.
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Affiliation(s)
- Yinglong Zhang
- School of Physical Education, Yan'an University, Yan'an, China
| | - Aihua Li
- School of Physical Education, Beijing Normal University, Beijing, China
| | - Xiaoguang Yang
- Sports Department, Xi'an University of Science and Technology, Xi'an, China
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The muscle to bone axis (and viceversa): An encrypted language affecting tissues and organs and yet to be codified? Pharmacol Res 2021; 165:105427. [PMID: 33453372 DOI: 10.1016/j.phrs.2021.105427] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/20/2020] [Accepted: 01/10/2021] [Indexed: 12/15/2022]
Abstract
Skeletal muscles and bone tissue form the musculoskeletal apparatus, a complex system essential for the voluntary movement. The loss of muscle mass and muscle strength is often associated with a loss of bone mass, in a "hazardous duet" which implies the co-existence of sarcopenia-osteoporosis and exposes patients to a deterioration in quality of life and increased mortality. From the mechanostat theory to the recent definition of the osteosarcopenia syndrome, many aspects of muscle-bone interaction have been investigated in recent decades. The mechanical interaction is now accepted, considering the close anatomical relationship between the two tissues, however, much remains to be discovered regarding the biochemical muscle-bone interaction. Skeletal muscle has been defined as an endocrine organ capable of exerting an action on other tissues. Myokines, bioactive polypeptides released by the muscle, could represent the encrypted message in the communication between muscle and bone. These two tissues have a reciprocal influence on their metabolisms and respond in a similar way to the multiple external factors. The aim of this review is to stimulate the understanding of the encrypted language between muscle and bone, highlighting the role of catabolic pathways and oxidative stress in the musculoskeletal apparatus to elucidate the shared mechanisms and the similarity of response to the same stimuli by different tissues. Our understanding of muscle-bone interactions it could be useful to identify and develop new strategies to treat musculoskeletal diseases, together with pharmacological, nutritional and exercise-based approaches, which are already in use for the treatment of these pathologies.
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77
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Netz Y, Ben-Zaken S, Zeev A, Dunsky A. Correlates of Early-Stage Frailty-Sleep, Fitness, Oxidative Stress, and BMI. Front Med (Lausanne) 2021; 7:594710. [PMID: 33521015 PMCID: PMC7838330 DOI: 10.3389/fmed.2020.594710] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 12/10/2020] [Indexed: 11/13/2022] Open
Abstract
Frailty reflects a decreased reserve in multiple systems resulting from cumulative decline. Frailty markers should be identified as early as possible to attenuate the loss of reserve. The aim of this study was to identify potentially modifiable correlates of frailty in relatively healthy older adults. Volunteers (n = 122) were recruited from local councils and, based on gender and age, were divided into one group of men aged 77.0 (±5.3), and two groups of women, aged 68.8 (±3.6) and aged 78.4 (±3.4). Frailty was assessed by a Frailty Index. The examined correlates were: physical activity, physical fitness (predicted peak VO2), sleep quality, oxidative stress (hydrogen peroxide-H2O2) and depression. Both groups of women had poor scores on physical fitness compared to women's norms. In order to examine the contribution of each of the potential correlates to explaining the variance of frailty, stepwise regressions were performed for each group separately. Based on the results, none of the suggested correlates significantly explained the variability of frailty in the men. In the younger-aged women, predicted peak VO2 and sleep quality explained 22.4% of the variability of frailty. In the older women, Body Mass Index (BMI), oxidative stress and sleep quality explained 34.9% of the variance. It is possible that increased aerobic fitness and interventions for improving sleep quality in older, seemingly healthy women will slow down the frailty process. Further research is needed to assess potential correlates of frailty, and to initiate suitable interventions to mitigate the signs of frailty at an early stage.
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Affiliation(s)
- Yael Netz
- The Academic College at Wingate, Wingate Institute, Netanya, Israel
| | - Sigal Ben-Zaken
- The Academic College at Wingate, Wingate Institute, Netanya, Israel
| | - Aviva Zeev
- The Academic College at Wingate, Wingate Institute, Netanya, Israel
| | - Ayelet Dunsky
- The Academic College at Wingate, Wingate Institute, Netanya, Israel
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Can Exercise-Induced Muscle Damage Be a Good Model for the Investigation of the Anti-Inflammatory Properties of Diet in Humans? Biomedicines 2021; 9:biomedicines9010036. [PMID: 33466327 PMCID: PMC7824757 DOI: 10.3390/biomedicines9010036] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/23/2020] [Accepted: 12/29/2020] [Indexed: 12/25/2022] Open
Abstract
Subclinical, low-grade, inflammation is one of the main pathophysiological mechanisms underlying the majority of chronic and non-communicable diseases. Several methodological approaches have been applied for the assessment of the anti-inflammatory properties of nutrition, however, their impact in human body remains uncertain, because of the fact that the majority of the studies reporting anti-inflammatory effect of dietary patterns, have been performed under laboratory settings and/or in animal models. Thus, the extrapolation of these results to humans is risky. It is therefore obvious that the development of an inflammatory model in humans, by which we could induce inflammatory responses to humans in a regulated, specific, and non-harmful way, could greatly facilitate the estimation of the anti-inflammatory properties of diet in a more physiological way and mechanistically relevant way. We believe that exercise-induced muscle damage (EIMD) could serve as such a model, either in studies investigating the homeostatic responses of individuals under inflammatory stimuli or for the estimation of the anti-inflammatory or pro-inflammatory potential of dietary patterns, foods, supplements, nutrients, or phytochemicals. Thus, in this review we discuss the possibility of exercise-induced muscle damage being an inflammation model suitable for the assessment of the anti-inflammatory properties of diet in humans.
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Effect of Treadmill Exercise and Probiotic Ingestion on Motor Coordination and Brain Activity in Adolescent Mice. Healthcare (Basel) 2020; 9:healthcare9010007. [PMID: 33374692 PMCID: PMC7822428 DOI: 10.3390/healthcare9010007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/18/2020] [Accepted: 12/19/2020] [Indexed: 12/29/2022] Open
Abstract
High-intensity exercise can lead to chronic fatigue, which reduces athletic performance. On the contrary, probiotic supplements have many health benefits, including improvement of gastrointestinal health and immunoregulation. However, the effects of probiotics combined with exercise interventions on motor functions and brain activity have not been fully explored. Therefore, this study aimed to identify the effects of probiotic supplements and aerobic exercise on motor function, immune response, and exercise intensity and probiotic ingestion. After four weeks of intervention, the motor functions were assessed by rotarod test, then the levels of cytokines, gamma-aminobutyric acid (GABA), and glutamate were detected. The improvement caused by the intake of probiotics in the moderate-intensity exercise group and the non-exercise group in the accelerating mode rotarod was significant (p = 0.038, p < 0.001, respectively). In constant-speed mode, the moderate-intensity exercise group with probiotic ingestion recorded longer runs than the corresponding non-exercise group (p = 0.023), and the improvement owing to probiotics was significant in all groups—non-exercise, moderate, and high-intensity (p = 0.036, p = 0.036, p = 0.012, respectively). The concentrations of inflammatory cytokines were lower, whereas GABA was higher in the probiotics-ingested group. Taken together, exercise and probiotics in adolescence could positively affect brain and motor function.
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The Role of Vitamin C in Two Distinct Physiological States: Physical Activity and Sleep. Nutrients 2020; 12:nu12123908. [PMID: 33371359 PMCID: PMC7767325 DOI: 10.3390/nu12123908] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/11/2020] [Accepted: 12/16/2020] [Indexed: 12/26/2022] Open
Abstract
This paper is a literature overview of the complex relationship between vitamin C and two opposing physiological states, physical activity and sleep. The evidence suggests a clinically important bidirectional association between these two phenomena mediated by different physiological mechanisms. With this in mind, and knowing that both states share a connection with oxidative stress, we discuss the existing body of evidence to answer the question of whether vitamin C supplementation can be beneficial in the context of sleep health and key aspects of physical activity, such as performance, metabolic changes, and antioxidant function. We analyze the effect of ascorbic acid on the main sleep components, sleep duration and quality, focusing on the most common disorders: insomnia, obstructive sleep apnea, and restless legs syndrome. Deeper understanding of those interactions has implications for both public health and clinical practice.
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Skeletal Muscle Mitochondrial Dysfunction and Oxidative Stress in Peripheral Arterial Disease: A Unifying Mechanism and Therapeutic Target. Antioxidants (Basel) 2020; 9:antiox9121304. [PMID: 33353218 PMCID: PMC7766400 DOI: 10.3390/antiox9121304] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 12/12/2022] Open
Abstract
Peripheral artery disease (PAD) is caused by atherosclerosis in the lower extremities, which leads to a spectrum of life-altering symptomatology, including claudication, ischemic rest pain, and gangrene requiring limb amputation. Current treatments for PAD are focused primarily on re-establishing blood flow to the ischemic tissue, implying that blood flow is the decisive factor that determines whether or not the tissue survives. Unfortunately, failure rates of endovascular and revascularization procedures remain unacceptably high and numerous cell- and gene-based vascular therapies have failed to demonstrate efficacy in clinical trials. The low success of vascular-focused therapies implies that non-vascular tissues, such as skeletal muscle and oxidative stress, may substantially contribute to PAD pathobiology. Clues toward the importance of skeletal muscle in PAD pathobiology stem from clinical observations that muscle function is a strong predictor of mortality. Mitochondrial impairments in muscle have been documented in PAD patients, although its potential role in clinical pathology is incompletely understood. In this review, we discuss the underlying mechanisms causing mitochondrial dysfunction in ischemic skeletal muscle, including causal evidence in rodent studies, and highlight emerging mitochondrial-targeted therapies that have potential to improve PAD outcomes. Particularly, we will analyze literature data on reactive oxygen species production and potential counteracting endogenous and exogenous antioxidants.
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Shaat RM, Elsaid TO, EL Baz A, Monir R, Machaly SA. Do obese patients with primary knee osteoarthritis benefit from a single bout of moderate intensity aerobic exercise? EGYPTIAN RHEUMATOLOGY AND REHABILITATION 2020. [DOI: 10.1186/s43166-020-00029-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Obesity and osteoarthritis are often concomitant. Both are accompanied by oxidative stress and stimulated inflammatory response. Exercise is considered a substantial treatment in rehabilitation of both conditions. Yet most of literature reported the benefits of regular exercising, while there is paucity about the effects of single low to moderate exercise session. This study aimed to investigate the possible potential effects of a single bout of moderate exercise in obese middle-aged individuals with knee osteoarthritis (KOA).
Results
Score of pain and Western Ontario and Mc-Master University (WOMAC) had been improved 24 h after exercise. Glutathione reductase (GR) activity increased post-exercise but decreased the next 24 h though remained higher than baseline. Blood glucose level was reduced post-exercise whereas blood lipids still uninfluenced by exercise. Markers of inflammation remained unchanged after exercise session.
Conclusion
A single bout moderate-intensity aerobic exercise is effective in improving pain and antioxidant activity among middle-aged obese patients with primary knee OA. Single bout of mild to moderate exercise may help in treatment of obese patients with KOA.
Trial registration
Clinical Trials.gov Identifier: NCT03927339
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Shuler KT, Wilson BE, Muñoz ER, Mitchell AD, Selsby JT, Hudson MB. Muscle Stem Cell-Derived Extracellular Vesicles Reverse Hydrogen Peroxide-Induced Mitochondrial Dysfunction in Mouse Myotubes. Cells 2020; 9:E2544. [PMID: 33256005 PMCID: PMC7760380 DOI: 10.3390/cells9122544] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/21/2020] [Accepted: 11/23/2020] [Indexed: 12/20/2022] Open
Abstract
Muscle stem cells (MuSCs) hold great potential as a regenerative therapeutic but have met numerous challenges in treating systemic muscle diseases. Muscle stem cell-derived extracellular vesicles (MuSC-EVs) may overcome these limitations. We assessed the number and size distribution of extracellular vesicles (EVs) released by MuSCs ex vivo, determined the extent to which MuSC-EVs deliver molecular cargo to myotubes in vitro, and quantified MuSC-EV-mediated restoration of mitochondrial function following oxidative injury. MuSCs released an abundance of EVs in culture. MuSC-EVs delivered protein cargo into myotubes within 2 h of incubation. Fluorescent labeling of intracellular mitochondria showed co-localization of delivered protein and mitochondria. Oxidatively injured myotubes demonstrated a significant decline in maximal oxygen consumption rate and spare respiratory capacity relative to untreated myotubes. Remarkably, subsequent treatment with MuSC-EVs significantly improved maximal oxygen consumption rate and spare respiratory capacity relative to the myotubes that were damaged but received no subsequent treatment. Surprisingly, MuSC-EVs did not affect mitochondrial function in undamaged myotubes, suggesting the cargo delivered is able to repair but does not expand the existing mitochondrial network. These data demonstrate that MuSC-EVs rapidly deliver proteins into myotubes, a portion of which co-localizes with mitochondria, and reverses mitochondria dysfunction in oxidatively-damaged myotubes.
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Affiliation(s)
- Kyle T. Shuler
- Department of Kinesiology and Applied Physiology, University of Delaware, 540 S College Ave, Newark, DE 19713, USA; (K.T.S.); (B.E.W.); (E.R.M.); (A.D.M.)
| | - Brittany E. Wilson
- Department of Kinesiology and Applied Physiology, University of Delaware, 540 S College Ave, Newark, DE 19713, USA; (K.T.S.); (B.E.W.); (E.R.M.); (A.D.M.)
| | - Eric R. Muñoz
- Department of Kinesiology and Applied Physiology, University of Delaware, 540 S College Ave, Newark, DE 19713, USA; (K.T.S.); (B.E.W.); (E.R.M.); (A.D.M.)
| | - Andrew D. Mitchell
- Department of Kinesiology and Applied Physiology, University of Delaware, 540 S College Ave, Newark, DE 19713, USA; (K.T.S.); (B.E.W.); (E.R.M.); (A.D.M.)
| | - Joshua T. Selsby
- Department of Animal Science, Iowa State University, 2356G Kildee Hall, Ames, IA 50011, USA;
| | - Matthew B. Hudson
- Department of Kinesiology and Applied Physiology, University of Delaware, 540 S College Ave, Newark, DE 19713, USA; (K.T.S.); (B.E.W.); (E.R.M.); (A.D.M.)
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de Salazar L, Contreras C, Torregrosa-García A, Luque-Rubia AJ, Ávila-Gandía V, Domingo JC, López-Román FJ. Oxidative Stress in Endurance Cycling Is Reduced Dose-Dependently after One Month of Re-Esterified DHA Supplementation. Antioxidants (Basel) 2020; 9:antiox9111145. [PMID: 33218112 PMCID: PMC7698918 DOI: 10.3390/antiox9111145] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/06/2020] [Accepted: 11/16/2020] [Indexed: 12/18/2022] Open
Abstract
Docosahexaenoic acid (DHA) supplementation can reduce exercise-induced oxidative stress generated during long aerobic exercise, with the minimum dose yet to be elucidated for physically active subjects. In this study, we performed a dose finding with re-esterified DHA in triglyceride form in a randomized double-blind parallel trial at different doses (350, 1050, 1750, and 2450 mg a day) for 4 weeks in males engaged in regular cycling (n = 100, 7.6 ± 3.7 h/week). The endogenous antioxidant capacity of DHA was quantified as a reduction in the levels of the oxidative stress marker 8-hydroxy-2′-deoxyguanosine (8-OHdG) recollected in 24-h urine samples after 90 min of constant load cycling before and after intervention. To ascertain incorporation of DHA, erythrocyte polyunsaturated fatty acid (PUFA) composition was compared along groups. We found a dose-dependent antioxidant capacity of DHA from 1050 mg with a trend to neutralization for the highest dose of 2450 mg (placebo: n = 13, F = 0.041; 350 mg: n = 10, F = 0.268; 1050 mg: n = 11, F = 7.112; 1750 mg: n = 12, F = 9.681; 2450 mg: n = 10, F = 15.230). In the erythrocyte membrane, the re-esterified DHA increased DHA and omega-3 percentage and decreased omega 6 and the omega-6 to omega-3 ratio, while Eicosapentaenoic acid (EPA) and PUFA remained unchanged. Supplementation of re-esterified DHA exerts a dose-dependent endogenous antioxidant property against moderate-intensity long-duration aerobic exercise in physically active subjects when provided at least 1050 mg a day for 4 weeks.
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Affiliation(s)
- Lydia de Salazar
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe (Murcia), Spain; (L.d.S.); (A.J.L.-R.); (V.Á.-G.); (F.J.L.-R.)
| | - Carlos Contreras
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe (Murcia), Spain; (L.d.S.); (A.J.L.-R.); (V.Á.-G.); (F.J.L.-R.)
| | - Antonio Torregrosa-García
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe (Murcia), Spain; (L.d.S.); (A.J.L.-R.); (V.Á.-G.); (F.J.L.-R.)
- Correspondence:
| | - Antonio J. Luque-Rubia
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe (Murcia), Spain; (L.d.S.); (A.J.L.-R.); (V.Á.-G.); (F.J.L.-R.)
| | - Vicente Ávila-Gandía
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe (Murcia), Spain; (L.d.S.); (A.J.L.-R.); (V.Á.-G.); (F.J.L.-R.)
| | | | - Francisco Javier López-Román
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe (Murcia), Spain; (L.d.S.); (A.J.L.-R.); (V.Á.-G.); (F.J.L.-R.)
- Department of Biochemistry and Molecular Biomedicine, University of Barcelona, 08007 Barcelona, Spain;
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Vargas-Mendoza N, Ángeles-Valencia M, Madrigal-Santillán EO, Morales-Martínez M, Tirado-Lule JM, Solano-Urrusquieta A, Madrigal-Bujaidar E, Álvarez-González I, Fregoso-Aguilar T, Morales-González Á, Morales-González JA. Effect of Silymarin Supplementation on Physical Performance, Muscle and Myocardium Histological Changes, Bodyweight, and Food Consumption in Rats Subjected to Regular Exercise Training. Int J Mol Sci 2020; 21:ijms21207724. [PMID: 33086540 PMCID: PMC7590064 DOI: 10.3390/ijms21207724] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/13/2020] [Accepted: 10/17/2020] [Indexed: 02/07/2023] Open
Abstract
(1) Background: Regular exercise induces physiological and morphological changes in the organisms, but excessive training loads may induce damage and impair recovery or muscle growth. The purpose of the study was to evaluate the impact of Silymarin (SM) consumption on endurance capacity, muscle/cardiac histological changes, bodyweight, and food intake in rats subjected to 60 min of regular exercise training (RET) five days per week. (2) Methods: Male Wistar rats were subjected to an eight-week RET treadmill program and were previously administered SM and vitamin C. Bodyweight and food consumption were measured and registered. The maximal endurance capacity (MEC) test was performed at weeks one and eight. After the last training session, the animals were sacrificed, and samples of quadriceps/gastrocnemius and cardiac tissue were obtained and process for histological analyzes. (3) Results: SM consumption improved muscle recovery, inflammation, and damaged tissue, and promoted hypertrophy, vascularization, and muscle fiber shape/appearance. MEC increased after eight weeks of RET in all trained groups; moreover, the SM-treated group was enhanced more than the group with vitamin C. There were no significant changes in bodyweight and in food and nutrient consumption along the study. (5) Conclusion: SM supplementation may enhance physical performance, recovery, and muscle hypertrophy during the eight-week RET program.
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Affiliation(s)
- Nancy Vargas-Mendoza
- Laboratorio de Medicina de Conservación, Escuela Superior de Medicina, Instituto Politécnico Nacional, México, Plan de San Luis y Díaz Mirón, Col. Casco de Santo Tomás, Del. Miguel Hidalgo, Ciudad de México 11340, Mexico; (N.V.-M.); (M.Á.-V.); (E.O.M.-S.)
| | - Marcelo Ángeles-Valencia
- Laboratorio de Medicina de Conservación, Escuela Superior de Medicina, Instituto Politécnico Nacional, México, Plan de San Luis y Díaz Mirón, Col. Casco de Santo Tomás, Del. Miguel Hidalgo, Ciudad de México 11340, Mexico; (N.V.-M.); (M.Á.-V.); (E.O.M.-S.)
| | - Eduardo Osiris Madrigal-Santillán
- Laboratorio de Medicina de Conservación, Escuela Superior de Medicina, Instituto Politécnico Nacional, México, Plan de San Luis y Díaz Mirón, Col. Casco de Santo Tomás, Del. Miguel Hidalgo, Ciudad de México 11340, Mexico; (N.V.-M.); (M.Á.-V.); (E.O.M.-S.)
| | - Mauricio Morales-Martínez
- Licenciatura en Nutrición, Universidad Intercontinental, Insurgentes Sur 4303, Santa Úrsula Xitla, Alcaldía Tlalpan, Ciudad de México 14420, Mexico;
| | - Judith Margarita Tirado-Lule
- Escuela Superior de Cómputo, Instituto Politécnico Nacional, Av. Juan de Dios Bátiz s/n Esquina Miguel Othón de Mendizabal, Unidad Profesional Adolfo López Mateos, Ciudad de México 07738, Mexico;
| | - Arturo Solano-Urrusquieta
- Hospital Militar de Zona, Secretaría de la Defensa Nacional, Periférico Boulevard Manuel Ávila Camacho s/n, Delegación Miguel Hidalgo, Ciudad de México 11200, Mexico;
| | - Eduardo Madrigal-Bujaidar
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, “Unidad Profesional A. López Mateos”. Av. Wilfrido Massieu. Col., Lindavista, Ciudad de México 07738, Mexico; (E.M.-B.); (I.Á.-G.)
| | - Isela Álvarez-González
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, “Unidad Profesional A. López Mateos”. Av. Wilfrido Massieu. Col., Lindavista, Ciudad de México 07738, Mexico; (E.M.-B.); (I.Á.-G.)
| | - Tomás Fregoso-Aguilar
- Departamento de Fisiología, Laboratorio de Hormonas y Conducta, ENCB Campus Zacatenco, Instituto Politécnico Nacional, Ciudad de México 07700, Mexico;
| | - Ángel Morales-González
- Escuela Superior de Cómputo, Instituto Politécnico Nacional, Av. Juan de Dios Bátiz s/n Esquina Miguel Othón de Mendizabal, Unidad Profesional Adolfo López Mateos, Ciudad de México 07738, Mexico;
- Correspondence: (Á.M.-G.); (J.A.M.-G.); Tel.: +52-55-5729-6300 (A.M.-G. & J.A.M.-G.)
| | - José A. Morales-González
- Laboratorio de Medicina de Conservación, Escuela Superior de Medicina, Instituto Politécnico Nacional, México, Plan de San Luis y Díaz Mirón, Col. Casco de Santo Tomás, Del. Miguel Hidalgo, Ciudad de México 11340, Mexico; (N.V.-M.); (M.Á.-V.); (E.O.M.-S.)
- Correspondence: (Á.M.-G.); (J.A.M.-G.); Tel.: +52-55-5729-6300 (A.M.-G. & J.A.M.-G.)
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Barrientos G, Alves J, Toro V, Robles MC, Muñoz D, Maynar M. Association between Trace Elements and Body Composition Parameters in Endurance Runners. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17186563. [PMID: 32916939 PMCID: PMC7559843 DOI: 10.3390/ijerph17186563] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 09/07/2020] [Accepted: 09/08/2020] [Indexed: 12/21/2022]
Abstract
The aim of this study was to determine the possible correlations between essential and toxic trace elements of plasma with several anthropometric and body composition parameters and performance in endurance runners. Sixty-five high-level middle and long-distance runners (21 ± 3 years; 1.77 ± 0.05 m; 64.97 ± 7.36 kg; VO2 max. 67.55 ± 4.11 mL/min/kg) participated in the present study. Abdominal, subscapular, iliac crest, triceps, front thigh and medial calf skinfold thicknesses and an incremental test until exhaustion were recorded. Body, fat, muscle and bone mass were estimated. Plasma trace elements were analyzed with inductively coupled plasma mass spectrometry (ICP-MS). Correlations and simple linear regression were used to assess the relationship between trace elements and several variables. Different skinfolds, fat mass, muscle mass and bone mass correlated positively and negatively with trace elements such as copper, manganese, selenium, vanadium, zinc, lithium, rubidium, strontium, arsenic, beryllium and lead. Lithium was related with performance. In conclusion, endurance training causes changes in the body concentrations of several trace elements that trigger modifications in body composition that may be interesting, if confirmed in the future, for the control of metabolic diseases such as obesity.
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Affiliation(s)
- Gema Barrientos
- Department of Sport Science, Faculty of Education, Pontifical University of Salamanca, C/Henry Collet, 52-70, CP: 37007 Salamanca, Spain;
| | - Javier Alves
- Department of Sport Science, Faculty of Education, Pontifical University of Salamanca, C/Henry Collet, 52-70, CP: 37007 Salamanca, Spain;
- Correspondence: ; Tel.: +34-923-125-027
| | - Víctor Toro
- Department of Physiology, Faculty of Sports Science Faculty, University of Extremadura, Avda de la Universidad, s/n CP: 10003 Cáceres, Spain; (V.T.); (M.C.R.); (D.M.); (M.M.)
| | - María Concepción Robles
- Department of Physiology, Faculty of Sports Science Faculty, University of Extremadura, Avda de la Universidad, s/n CP: 10003 Cáceres, Spain; (V.T.); (M.C.R.); (D.M.); (M.M.)
| | - Diego Muñoz
- Department of Physiology, Faculty of Sports Science Faculty, University of Extremadura, Avda de la Universidad, s/n CP: 10003 Cáceres, Spain; (V.T.); (M.C.R.); (D.M.); (M.M.)
| | - Marcos Maynar
- Department of Physiology, Faculty of Sports Science Faculty, University of Extremadura, Avda de la Universidad, s/n CP: 10003 Cáceres, Spain; (V.T.); (M.C.R.); (D.M.); (M.M.)
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Ho CC, Chang PS, Chen HW, Lee PF, Chang YC, Tseng CY, Lin PT. Ubiquinone Supplementation with 300 mg on Glycemic Control and Antioxidant Status in Athletes: A Randomized, Double-Blinded, Placebo-Controlled Trial. Antioxidants (Basel) 2020; 9:antiox9090823. [PMID: 32899227 PMCID: PMC7555239 DOI: 10.3390/antiox9090823] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/01/2020] [Accepted: 09/01/2020] [Indexed: 12/20/2022] Open
Abstract
The aim of this study is to investigate the glycemic profile, oxidative stress, and antioxidant capacity in athletes after 12 weeks of ubiquinone supplementation. It was a double-blinded, randomized, parallel, placebo-controlled study. Thirty-one well-trained college athletes were randomly assigned to ubiquinone (300 mg/d, n = 17) or placebo group (n = 14). The glycemic profile [fasting glucose, glycated hemoglobin (HbA1c), homeostatic model assessment-insulin resistance (HOMA-IR), quantitative insulin sensitivity check index (QUICKI)], plasma and erythrocyte malondialdehyde (MDA), total antioxidant capacity (TAC), and ubiquinone status were measured. After supplementation, the plasma ubiquinone concentration was significantly increased (p < 0.05) and the level of erythrocyte MDA was significantly lower in the ubiquinone group than in the placebo group (p < 0.01). There was a significant correlation between white blood cell (WBC) ubiquinone and glycemic parameters [HbA1c, r = −0.46, p < 0.05; HOMA-IR, r = −0.67, p < 0.01; QUICKI, r = 0.67, p < 0.01]. In addition, athletes with higher WBC ubiquinone level (≥0.5 nmol/g) showed higher erythrocyte TAC and QUICKI and lower HOMA-IR. In conclusion, we demonstrated that athletes may show a better antioxidant capacity with higher ubiquinone status after 12 weeks of supplementation, which may further improve glycemic control.
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Affiliation(s)
- Chien-Chang Ho
- Department of Physical Education, Fu Jen Catholic University, New Taipei City 242304, Taiwan; (C.-C.H.); (P.-F.L.); (Y.-C.C.); (C.-Y.T.)
- Research and Development Center for Physical Education, Health, and Information Technology, College of Education, Fu Jen Catholic University, New Taipei City 242304, Taiwan
| | - Po-Sheng Chang
- Department of Nutrition, Chung Shan Medical University, Taichung 402367, Taiwan; (P.-S.C.); (H.-W.C.)
- Graduate Program in Nutrition, Chung Shan Medical University, Taichung 402367, Taiwan
| | - Hung-Wun Chen
- Department of Nutrition, Chung Shan Medical University, Taichung 402367, Taiwan; (P.-S.C.); (H.-W.C.)
| | - Po-Fu Lee
- Department of Physical Education, Fu Jen Catholic University, New Taipei City 242304, Taiwan; (C.-C.H.); (P.-F.L.); (Y.-C.C.); (C.-Y.T.)
- Graduate Institute of Sport Coaching Science, Chinese Culture University, Taipei City 111396, Taiwan
| | - Yun-Chi Chang
- Department of Physical Education, Fu Jen Catholic University, New Taipei City 242304, Taiwan; (C.-C.H.); (P.-F.L.); (Y.-C.C.); (C.-Y.T.)
- Department of Physical Therapy and Assistive Technology, National Yang-Ming University, Taipei City 112304, Taiwan
| | - Ching-Yu Tseng
- Department of Physical Education, Fu Jen Catholic University, New Taipei City 242304, Taiwan; (C.-C.H.); (P.-F.L.); (Y.-C.C.); (C.-Y.T.)
- Research and Development Center for Physical Education, Health, and Information Technology, College of Education, Fu Jen Catholic University, New Taipei City 242304, Taiwan
| | - Ping-Ting Lin
- Department of Nutrition, Chung Shan Medical University, Taichung 402367, Taiwan; (P.-S.C.); (H.-W.C.)
- Department of Nutrition, Chung Shan Medical University Hospital, Taichung 402367, Taiwan
- Correspondence: ; Tel.: +886-4-24730022 (ext. 12187); Fax: +886-4-2324-8175
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88
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Kostopoulou E, Livada I, Partsalaki I, Lamari F, Skiadopoulos S, Rojas Gil AP, Spiliotis BE. The role of carbohydrate counting in glycemic control and oxidative stress in patients with type 1 diabetes mellitus (T1DM). Hormones (Athens) 2020; 19:433-438. [PMID: 32221838 DOI: 10.1007/s42000-020-00189-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 03/11/2020] [Indexed: 11/27/2022]
Abstract
PURPOSE Oxidative stress is closely related to type 1 diabetes mellitus (T1DM), playing a key role in the pathogenesis of the disease and progression of complications. It is characterized by loss of equilibrium between oxidative factors and antioxidant protective mechanisms. Several markers have been used to assess both components of oxidative status; two of which are malondialdehyde (MDA) and ferric reducing antioxidant power (FRAP). METHODS We investigated glycated hemoglobin (HbA1c), lipid profile, MDA, and FRAP in 35 patients with T1DM, aged 2-23 years, at the end of two 4-month observational periods: period A: standard insulin dosing per meal, and period B: proper prandial insulin dosing based on the amount of carbohydrates contained in each meal. RESULTS At the end of period B, (i) glucose control (HbA1c) was improved; (ii) oxidative stress, estimated by MDA, showed a tendency to decrease; and (iii) antioxidant capacity, estimated by FRAP, was significantly increased compared with that of period A. No significant differences were observed in the lipid profile of the patients between the two periods. CONCLUSION Proper insulin dosing based on carbohydrate counting (CC) may have an impact on the antioxidant defensive mechanisms of patients with T1DM through the attainment of a better glycemic profile. There are also indications that it may reduce MDA, an important biomarker of oxidative stress and a significant mediator of complications in T1DM. Therefore, prompt dietetic intervention using CC as early as possible after the diagnosis of T1DM is important for achieving optimal glycemic control and improved oxidative status.
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Affiliation(s)
- Eirini Kostopoulou
- Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics, School of Medicine, University of Patras, 26504, Patras, Greece.
| | - Ioulia Livada
- Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics, School of Medicine, University of Patras, 26504, Patras, Greece
| | - Ioanna Partsalaki
- Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics, School of Medicine, University of Patras, 26504, Patras, Greece
| | - Fotini Lamari
- Laboratory of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, University of Patras, 26504, Patras, Greece
| | - Spyros Skiadopoulos
- Department of Medical Physics, School of Medicine, University of Patras, 26504, Patras, Greece
| | - Andrea Paola Rojas Gil
- Faculty of Health Sciences, Department of Nursing, University of Peloponnese, Tripoli, Greece
| | - Bessie E Spiliotis
- Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics, School of Medicine, University of Patras, 26504, Patras, Greece
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89
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Ji LL, Yeo D, Kang C, Zhang T. The role of mitochondria in redox signaling of muscle homeostasis. JOURNAL OF SPORT AND HEALTH SCIENCE 2020; 9:386-393. [PMID: 32780692 PMCID: PMC7498629 DOI: 10.1016/j.jshs.2020.01.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 11/20/2019] [Accepted: 12/12/2019] [Indexed: 05/07/2023]
Abstract
In the past, contraction-induced production of reactive oxygen species (ROS) has been implicated in oxidative stress to skeletal muscle. As research advances, clear evidence has revealed a more complete role of ROS under both physiologic and pathologic conditions. Central to the role of ROS is the redox signaling pathways that control exercise-induced major physiologic and cellular responses and adaptations, such as mitochondrial biogenesis, mitophagy, mitochondrial morphologic dynamics, antioxidant defense, and inflammation. The current review focuses on how muscle contraction and immobilization may activate or inhibit redox signalings and their impact on muscle mitochondrial homeostasis and physiologic implications.
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Affiliation(s)
- Li Li Ji
- The Laboratory of Physiological Hygiene and Exercise Science, University of Minnesota Twin Cities, Minneapolis, MN 55455, USA.
| | - Dongwook Yeo
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
| | - Chounghun Kang
- Department of Physical Education, Inha University, Incheon 22212, Republic of Korea
| | - Tianou Zhang
- Department of Kinesiology, Health and Nutrition, University of Texas at San Antonio, San Antonio, TX 78249, USA
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90
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Stožer A, Vodopivc P, Križančić Bombek L. Pathophysiology of exercise-induced muscle damage and its structural, functional, metabolic, and clinical consequences. Physiol Res 2020; 69:565-598. [PMID: 32672048 DOI: 10.33549/physiolres.934371] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Extreme or unaccustomed eccentric exercise can cause exercise-induced muscle damage, characterized by structural changes involving sarcomere, cytoskeletal, and membrane damage, with an increased permeability of sarcolemma for proteins. From a functional point of view, disrupted force transmission, altered calcium homeostasis, disruption of excitation-contraction coupling, as well as metabolic changes bring about loss of strength. Importantly, the trauma also invokes an inflammatory response and clinically presents itself by swelling, decreased range of motion, increased passive tension, soreness, and a transient decrease in insulin sensitivity. While being damaging and influencing heavily the ability to perform repeated bouts of exercise, changes produced by exercise-induced muscle damage seem to play a crucial role in myofibrillar adaptation. Additionally, eccentric exercise yields greater hypertrophy than isometric or concentric contractions and requires less in terms of metabolic energy and cardiovascular stress, making it especially suitable for the elderly and people with chronic diseases. This review focuses on our current knowledge of the mechanisms underlying exercise-induced muscle damage, their dependence on genetic background, as well as their consequences at the structural, functional, metabolic, and clinical level. A comprehensive understanding of these is a prerequisite for proper inclusion of eccentric training in health promotion, rehabilitation, and performance enhancement.
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Affiliation(s)
- A Stožer
- Institute of Physiology, Faculty of Medicine, University of Maribor, Slovenia.
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91
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Eshima H, Siripoksup P, Mahmassani ZS, Johnson JM, Ferrara PJ, Verkerke ARP, Salcedo A, Drummond MJ, Funai K. Neutralizing mitochondrial ROS does not rescue muscle atrophy induced by hindlimb unloading in female mice. J Appl Physiol (1985) 2020; 129:124-132. [PMID: 32552434 DOI: 10.1152/japplphysiol.00456.2019] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Excess reactive oxygen species (ROS) induced by physical inactivity is associated with muscle atrophy and muscle weakness. However, the role of mitochondrial ROS on disuse-induced muscle atrophy is not fully understood. The purpose of this study was to utilize a genetic strategy to examine the effect of neutralizing mitochondrial ROS on disuse-induced skeletal muscle atrophy. This was accomplished by placing wild-type (WT) and mitochondrial-targeted catalase-expressing (MCAT) littermate mice on 7 days of hindlimb unloading. After assessment of body weight and composition, muscles were analyzed for individual muscle mass, force-generating capacity, fiber type, cross-sectional area, and mitochondrial function, including H2O2 production. Despite a successful attenuation of mitochondrial ROS, MCAT mice were not protected from muscle atrophy. No differences were observed in body composition, lean mass, individual muscle masses, force-generating capacity, or muscle fiber cross-sectional area. These data suggest that neutralizing mitochondrial ROS is insufficient to suppress disuse-induced loss of skeletal muscle mass and contractile function.NEW & NOTEWORTHY The premise of this study was to examine the efficacy of genetic suppression of mitochondrial reactive oxygen species (ROS) to attenuate disuse-induced muscle atrophy and muscle weakness. Neutralization of mitochondrial ROS by MCAT expression was insufficient to rescue muscle atrophy and muscle weakness.
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Affiliation(s)
- Hiroaki Eshima
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, Utah.,Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, Utah
| | - Piyarat Siripoksup
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, Utah.,Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, Utah
| | - Ziad S Mahmassani
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, Utah.,Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, Utah
| | - Jordan M Johnson
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, Utah.,Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah
| | - Patrick J Ferrara
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, Utah.,Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah
| | - Anthony R P Verkerke
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, Utah.,Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah
| | - Anahy Salcedo
- Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, Utah
| | - Micah J Drummond
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, Utah.,Molecular Medicine Program, University of Utah, Salt Lake City, Utah
| | - Katsuhiko Funai
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, Utah.,Molecular Medicine Program, University of Utah, Salt Lake City, Utah
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92
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Cho SY, So WY, Roh HT. Effect of C242T Polymorphism in the Gene Encoding the NAD(P)H Oxidase p22 phox Subunit and Aerobic Fitness Levels on Redox State Biomarkers and DNA Damage Responses to Exhaustive Exercise: A Randomized Trial. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17124215. [PMID: 32545655 PMCID: PMC7344824 DOI: 10.3390/ijerph17124215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/05/2020] [Accepted: 06/11/2020] [Indexed: 01/01/2023]
Abstract
NAD(P)H oxidases (NOXs) constitute a principal source of cellular reactive oxygen species (ROS) and contribute to exercise-induced ROS production in the skeletal muscle. Here, we aimed to investigate the effect of single-bout exhaustive exercise on redox state biomarkers and oxidative DNA damage based on the C242T polymorphism in the gene encoding NOXs subunit p22phox (CYBA) and aerobic fitness levels. We enrolled 220 healthy adults in their 20s (men, n = 110; women, n = 110), who were divided into CC genotype and T allele groups through the analysis of the CYBA C242T polymorphism. Furthermore, maximum oxygen uptake (VO2max) was evaluated to divide subjects into high fitness (HF; 70th percentile for aerobic fitness) and mid-range fitness (MF; 40-60th percentile for aerobic fitness) groups, with a total of 32 subjects assigned to four groups (eight subjects per group): CC genotype and HF group (CC + HF), CC genotype and MF group (CC + MF), T allele and HF group (T + HF), and T allele and MF group (T + MF). All subjects performed treadmill running exercise at 85% of VO2max until exhaustion. Plasma lactate, malondialdehyde (MDA), superoxide dismutase (SOD), and lymphocyte DNA damage (tail DNA percentage [TD], tail length [TL], and the tail moment [TM]) were measured in the blood samples obtained immediately before (IBE), immediately after (IAE), and 30 min after exercise (30 MAE). Plasma lactate levels, SOD activities, and lymphocyte DNA damage markers (TD, TL, and TM) were significantly increased at IAE than that at IBE and significantly decreased at 30 MAE (p < 0.05). All groups displayed increased plasma MDA levels at IAE rather than at IBE, with CC + MF being significantly higher than T + HF (p < 0.05); only the CC + HF and T + HF groups exhibited a significant reduction at 30 MAE (p < 0.05). Moreover, TL at IAE was significantly higher in the CC + MF group than in the T + HF group (p < 0.05), and significantly higher in the CC + MF and CC + HF groups than in the T + HF group at 30 MAE (p < 0.05). TM was significantly higher in the T + MF than in the T + HF group at IAE (p < 0.05) and that of CC + MF was significantly higher than CC + HF and T + HF values at IAE and 30 MAE (p < 0.05). These results suggest that single-bout exhaustive exercise could induce peripheral fatigue and the accumulation of temporary redox imbalance and oxidative DNA damage. Moreover, high aerobic fitness levels combined with the T allele may protect against exercise-induced redox imbalance and DNA damage.
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Affiliation(s)
- Su-Youn Cho
- Exercise Physiology Laboratory, Department of Physical Education, Yonsei University, Seoul 03722, Korea;
| | - Wi-Young So
- Sports and Health Care Major, College of Humanities and Arts, Korea National University of Transportation, Chungju-si 27469, Korea;
| | - Hee-Tae Roh
- Department of Physical Education, College of Arts and Physical Education, Dong-A University, Busan 49315, Korea
- Correspondence: ; Tel.: +82-51-200-7835; Fax: +82-51-200-7805
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93
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Siciliano G, Chico L, Lo Gerfo A, Simoncini C, Schirinzi E, Ricci G. Exercise-Related Oxidative Stress as Mechanism to Fight Physical Dysfunction in Neuromuscular Disorders. Front Physiol 2020; 11:451. [PMID: 32508674 PMCID: PMC7251329 DOI: 10.3389/fphys.2020.00451] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/09/2020] [Indexed: 12/12/2022] Open
Abstract
Neuromuscular diseases (NMDs) are a group of often severely disabling disorders characterized by dysfunction in one of the main constituents of the motor unit, the cardinal anatomic-functional structure behind force and movement production. Irrespective of the different pathogenic mechanisms specifically underlying these disease conditions genetically determined or acquired, and the related molecular pathways involved in doing that, oxidative stress has often been shown to play a relevant role within the chain of events that induce or at least modulate the clinical manifestations of these disorders. Due to such a putative relevance of the imbalance of redox status occurring in contractile machinery and/or its neural drive in NMDs, physical exercise appears as one of the most important conditions able to positively interfere along an ideal axis, going from a deranged metabolic cell homeostasis in motor unit components to the reduced motor performance profile exhibited by the patient in everyday life. If so, it comes out that it would be important to identify a proper training program, suitable for load and type of exercise that is able to improve motor performance in adaptation and response to such a homeostatic imbalance. This review therefore analyzes the role of different exercise trainings on oxidative stress mechanisms, both in healthy and in NMDs, also including preclinical studies, to elucidate at which extent these can be useful to counteract muscle impairment associated to the disease, with the final aim of improving physical functions and quality of life of NMD patients.
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Affiliation(s)
- Gabriele Siciliano
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy
| | - Lucia Chico
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy
| | - Annalisa Lo Gerfo
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy
| | - Costanza Simoncini
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy
| | - Erika Schirinzi
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy
| | - Giulia Ricci
- Department of Clinical and Experimental Medicine, Neurological Clinic, University of Pisa, Pisa, Italy
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94
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Nasiri M, Ahmadizad S, Hedayati M, Zarekar T, Seydyousefi M, Faghfoori Z. Trans-resveratrol supplement lowers lipid peroxidation responses of exercise in male Wistar rats. INT J VITAM NUTR RES 2020; 91:507-512. [PMID: 32400317 DOI: 10.1024/0300-9831/a000654] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Physical exercise increases free radicals production; antioxidant supplementation may improve the muscle fiber's ability to scavenge ROS and protect muscles against exercise-induced oxidative damage. This study was designed to examine the effects of all-trans resveratrol supplementation as an antioxidant to mediate anti-oxidation and lipid per-oxidation responses to exercise in male Wistar rats. Sixty-four male Wistar rats were randomly divided into four equal number (n = 16) including training + supplement (TS), training (T), supplement (S) and control (C) group. The rats in TS and S groups received a dose of 10 mg/kg resveratrol per day via gavage. The training groups ran on a rodent treadmill 5 times per week at the speed of 10 m/min for 10 min; the speed gradually increased to 30 m/min for 60 minutes at the end of 12th week. The acute phase of exercise protocol included a speed of 25 m/min set to an inclination of 10° to the exhaustion point. Superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT) activity, non-enzymatic antioxidants bilirubin, uric acid, lipid peroxidation levels (MDA) and the total antioxidant capacity (TAC) were measured after the exercise termination. The data were analyzed by using one-way ANOVA. The result showed that endurance training caused a significant increase in MDA level [4.5 ± 0.75 (C group) vs. 5.9 ± 0.41 nmol/l (T group)] whereas it decreased the total antioxidant capacity [8.5 ± 1.35 (C group) vs. 7.1 ± 0.55 mmol/l (T group)] (p = 0.001). In addition, GPx and CAT decreased but not significantly (p > 0.05). The training and t-resveratrol supplementation had no significant effect on the acute response of all variables except MDA [4.3 ± 1.4 (C group) vs. 4.0 ± 0.90 nmol/l (TS group)] (p = 0.001) and TAC [8.5 ± 0.90 (C group) vs. 6.6 ± 0.80 mmol/l (TS group)] (p = 0.004). It was concluded that resveratrol supplementation may prevent exercise-induced oxidative stress by preventing lipid peroxidation.
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Affiliation(s)
- Masoud Nasiri
- Faculty of Sport Sciences, Razi University of Kermanshah, Iran
| | - Saja Ahmadizad
- Department of Biological Sciences in Sport, Faculty of Sport Sciences and Health, Shahid Beheshti University G.C., Tehran, Iran
| | - Mehdi Hedayati
- Cellular and Molecular Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tayebe Zarekar
- Department of Biological Sciences in Sport, Faculty of Sport Sciences and Health, Shahid Beheshti University G.C., Tehran, Iran
| | - Mehdi Seydyousefi
- Department of Physical Education and Sport Sciences, Bojnourd Branch, Islamic Azad University, Bojnourd, Iran
| | - Zeinab Faghfoori
- Food Safety Research Center (salt), Semnan University of Medical Sciences, Semnan, Iran.,Department of Nutrition, School of Nutrition and Food Sciences, Semnan University of Medical Sciences, Semnan, Iran
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95
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Paternal Resistance Training Induced Modifications in the Left Ventricle Proteome Independent of Offspring Diet. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5603580. [PMID: 32454941 PMCID: PMC7218999 DOI: 10.1155/2020/5603580] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 12/18/2019] [Indexed: 01/13/2023]
Abstract
Ancestral obesogenic exposure is able to trigger harmful effects in the offspring left ventricle (LV) which could lead to cardiovascular diseases. However, the impact of the father's lifestyle on the offspring LV is largely unexplored. The aim of this study was to investigate the effects of 8 weeks of paternal resistance training (RT) on the offspring left ventricle (LV) proteome exposed to control or high-fat (HF) diet. Wistar rats were randomly divided into two groups: sedentary fathers and trained fathers (8 weeks, 3 times per week with weights secured to the animals' tails). The offspring were obtained by mating with sedentary females. Upon weaning, male offspring were divided into 4 groups (5 animals per group): offspring from sedentary fathers, exposed to control diet (SFO-C); offspring from trained fathers, exposed to control diet (TFO-C); offspring from sedentary fathers, exposed to high-fat diet (SFO-HF); and offspring from trained fathers, exposed to high-fat diet (TFO-HF). The LC-MS/MS analysis revealed 537 regulated proteins among groups. Offspring exposure to HF diet caused reduction in the abundance levels of proteins related to cell component organization, metabolic processes, and transport. Proteins related to antioxidant activity, transport, and transcription regulation were increased in TFO-C and TFO-HF as compared with the SFO-C and SFO-HF groups. Paternal RT demonstrated to be an important intervention capable of inducing significant effects on the LV proteome regardless of offspring diet due to the increase of proteins involved into LV homeostasis maintenance. This study contributes to a better understanding of the molecular aspects involved in transgenerational inheritance.
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96
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Abstract
Significance: Regular contractile activity plays a critical role in maintaining skeletal muscle morphological integrity and physiological function. If the muscle is forced to stop contraction, such as during limb immobilization (IM), the IGF/Akt/mTOR signaling pathway that normally stimulates protein synthesis and inhibits proteolysis will be suppressed, whereas the FoxO-controlled catabolic pathways such as ubiquitin-proteolysis and autophagy/mitophagy will be activated and dominate, resulting in muscle fiber atrophy. Recent Advances: Mitochondria occupy a central position in the regulation of both protein synthesis and degradation through several redox-sensitive pathways, including peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α), mitochondrial fusion and fission proteins, mitophagy, and sirtuins. Prolonged IM downregulates PGC-1α due to AMPK (5'-AMP-activated protein kinase) and FoxO activation, thus decreasing mitochondrial biogenesis and causing oxidative damage. Decrease of mitochondrial inner membrane potential and increase of mitochondrial fission can trigger cascades of mitophagy leading to loss of mitochondrial homeostasis (mitostasis), inflammation, and apoptosis. The phenotypic outcomes of these disorders are compromised muscle function and fiber atrophy. Critical Issues: Given the molecular mechanism of the pathogenesis, it is imperative that the integrity of intracellular signaling be restored to prevent the deterioration. So far, overexpression of PGC-1α via transgene and in vivo DNA transfection has been found to be effective in ameliorating mitostasis and reduces IM-induced muscle atrophy. Nutritional supplementation of select amino acids and phytochemicals also provides mechanistic and practical insights into the prevention of muscle disuse atrophy. Future Directions: In light of the importance of mitochondria in regulating the various critical signaling pathways, future work should focus on exploring new epigenetic strategies to restore mitostasis and redox balance.
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Affiliation(s)
- Li Li Ji
- The Laboratory of Physiological Hygiene and Exercise Science, School of Kinesiology, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA
| | - Dongwook Yeo
- The Laboratory of Physiological Hygiene and Exercise Science, School of Kinesiology, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Chounghun Kang
- Departmet Physical Education, Inha University, Incheon, South Korea
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97
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Acute effect of juçara juice (Euterpe edulis Martius) on oxidative stress biomarkers and fatigue in a high-intensity interval training session: A single-blind cross-over randomized study. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.103835] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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98
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Effects of vitamin C on oxidative stress, inflammation, muscle soreness, and strength following acute exercise: meta-analyses of randomized clinical trials. Eur J Nutr 2020; 59:2827-2839. [DOI: 10.1007/s00394-020-02215-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 02/26/2020] [Indexed: 10/24/2022]
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99
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Martin A, Millet G, Osredkar D, Mramor M, Faes C, Gouraud E, Debevec T, Pialoux V. Effect of pre-term birth on oxidative stress responses to normoxic and hypoxic exercise. Redox Biol 2020; 32:101497. [PMID: 32199333 PMCID: PMC7082609 DOI: 10.1016/j.redox.2020.101497] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/23/2020] [Accepted: 03/04/2020] [Indexed: 11/19/2022] Open
Abstract
Pre-term birth is a major health concern that occurs in approximately 10% of births worldwide. Despite high incidence rate, long-term consequences of pre-term birth remain unclear. Recent evidence suggests that elevated oxidative stress observed in pre-term born infants could persist into adulthood. Given that oxidative stress is known to play an important role in response to physical activity and hypoxia, we investigated whether oxidative stress responses to acute exercise in normoxia and hypoxia may be differently modulated in pre-term vs. full-term born adults. Twenty-two pre-term born and fifteen age-matched full-term born controls performed maximal incremental cycling tests in both normoxia (FiO2: 0.21) and normobaric hypoxia (FiO2: 0.13; simulated altitude of 3800 m) in blinded and randomized manner. Plasma levels of oxidative stress (advanced oxidation protein products [AOPP] and malondialdehyde), antioxidant (ferric reducing antioxidant power, glutathione peroxidase, catalase [CAT] and superoxide dismutase [SOD]) and nitrosative stress markers (nitrotyrosine, nitrite and total nitrite and nitrate [NOx]) were measured before and immediately after each test. AOPP (+24%, P<0.001), CAT (+38%, P<0.001) and SOD (+12%, P=0.018) and NOx (+17%, P=0.024) significantly increased in response to exercise independently of condition and birth status. No difference in response to acute exercise in normoxia was noted between pre-term and full-term born adults in any of measured markers. Hypoxic exposure during exercise resulted in significant increase in AOPP (+45%, P=0.008), CAT (+55%, P=0.019) and a trend for an increase in nitrite/nitrate content (+35%, P=0.107) only in full-term and not pre-term born individuals. These results suggest that prematurely born adult individuals exhibit higher resistance to oxidative stress response to exercise in hypoxia. Oxidative stress and antioxidant activity are increased in full-term and pre-term adults following normoxic exercise. Plasma AOPP, catalase and NOx levels are not increased in pre-term adults following an acute exercise in hypoxia. Oxidative stress is differently regulated in pre-term adults during acute physical exercise under hypoxic condition. Pre-term birth may have long term consequences concerning oxidative stress regulation especially during these conditions.
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Affiliation(s)
- Agnès Martin
- Univ Lyon, Université Claude Bernard Lyon 1, Laboratoire Interuniversitaire de Biologie de la Motricité EA 7424, Faculté de Médecine Rockefeller, 69008 Lyon, France; Univ Lyon, Université Jean Monet Saint-Etienne, Laboratoire Interuniversitaire de Biologie de la Motricité EA 7424, Faculté de Médecine, Campus Santé Innovation, 10 rue de la Marandière10 rue de la Marandière, Saint-Priest-en-Jarez, France; Univ Lyon, Université Claude Bernard Lyon 1, Master BioSciences, Department of Biology, École Normale Supérieure of Lyon, 46 allée d'Italie, 69364 LYON CEDEX 07, Lyon, France.
| | - Grégoire Millet
- ISSUL, Institute of Sport Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland.
| | - Damjan Osredkar
- Department of Pediatric Neurology, University Children's Hospital Ljubljana, Ljubljana, Slovenia.
| | - Minca Mramor
- Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia.
| | - Camille Faes
- Univ Lyon, Université Claude Bernard Lyon 1, Laboratoire Interuniversitaire de Biologie de la Motricité EA 7424, Faculté de Médecine Rockefeller, 69008 Lyon, France; Laboratory of Excellence GR-Ex, Paris, France.
| | - Etienne Gouraud
- Univ Lyon, Université Claude Bernard Lyon 1, Laboratoire Interuniversitaire de Biologie de la Motricité EA 7424, Faculté de Médecine Rockefeller, 69008 Lyon, France; Laboratory of Excellence GR-Ex, Paris, France.
| | - Tadej Debevec
- Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia; Department of Pediatric Emergency, University Children's Hospital Ljubljana, Ljubljana, Slovenia; Department of Automation, Biocybernetics and Robotics, Jozef Stefan Institute, Ljubljana, Slovenia.
| | - Vincent Pialoux
- Univ Lyon, Université Claude Bernard Lyon 1, Laboratoire Interuniversitaire de Biologie de la Motricité EA 7424, Faculté de Médecine Rockefeller, 69008 Lyon, France; Laboratory of Excellence GR-Ex, Paris, France; Institut Universitaire de France, France.
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Cournoyer J, Ramos CF, Sturgill B, Tang F, DeLuca N, Mirsaeidi M, Jackson RM. Effects of 100 % oxygen during exercise in patients with interstitial lung disease. Respir Physiol Neurobiol 2020; 274:103367. [DOI: 10.1016/j.resp.2019.103367] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/20/2019] [Accepted: 12/31/2019] [Indexed: 11/27/2022]
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