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Calvo-Rubio M, Garcia-Domiguez E, Tamayo-Torres E, Soto-Rodríguez S, Olaso-Gonzalez G, Ferrucci L, de Cabo R, Gómez-Cabrera MC. The repeated bout effect evokes the training-induced skeletal muscle cellular memory. Free Radic Biol Med 2024; 225:247-254. [PMID: 39343184 DOI: 10.1016/j.freeradbiomed.2024.09.047] [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: 06/30/2024] [Revised: 08/29/2024] [Accepted: 09/25/2024] [Indexed: 10/01/2024]
Abstract
Physical exercise is well-established as beneficial for health. With the 20th-century epidemiological transition, promoting healthy habits like exercise has become crucial for preventing chronic diseases. Stress can yield adaptive long-term benefits, potentially transmitted trans-generationally. Physical training exposes individuals to metabolic, thermal, mechanical, and oxidative stressors, activating cell signaling pathways that regulate gene expression and adaptive responses, thereby enhancing stress tolerance - a phenomenon known as hormesis. Muscle memory is the capacity of skeletal muscle to respond differently to environmental stimuli in an adaptive (positive) or maladaptive (negative) manner if the stimuli have been encountered previously. The Repeated Bout Effect encompasses our skeletal muscle capacity to activate an intrinsic protective mechanism that reacts to eccentric exercise-induced damage by activating an adaptive response that resists subsequent damage stimuli. Deciphering the molecular mechanism of this phenomenon would allow the incorporation of muscle memory in training programs for professional athletes, active individuals looking for the health benefits of exercise training, and patients with "exercise intolerance." Moreover, enhancing the adaptive response of muscle memory could promote healing in individuals who traditionally do not recover after immobilization. The improvement could be part of an exercise program but could also be targeted pharmacologically. This review explores Repeated Bout Effect mechanisms: neural adaptations, tendon and muscle fiber property changes, extracellular matrix remodeling, and improved inflammatory responses.
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Affiliation(s)
- Miguel Calvo-Rubio
- Experimental Gerontology Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Esther Garcia-Domiguez
- Australian Regenerative Medicine Institute, Monash University, Melbourne, Victoria, Australia; Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Eva Tamayo-Torres
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Silvana Soto-Rodríguez
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Gloria Olaso-Gonzalez
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain.
| | - Luigi Ferrucci
- Experimental Gerontology Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Rafael de Cabo
- Experimental Gerontology Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, 21224, USA
| | - Maria Carmen Gómez-Cabrera
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
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Martínez-Ferrán M, Berlanga LA, Barcelo-Guido O, Matos-Duarte M, Vicente-Campos D, Sánchez-Jorge S, Romero-Morales C, Munguía-Izquierdo D, Pareja-Galeano H. Antioxidant vitamin supplementation on muscle adaptations to resistance training: A double-blind, randomized controlled trial. Nutrition 2023; 105:111848. [PMID: 36283241 DOI: 10.1016/j.nut.2022.111848] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/05/2022] [Accepted: 09/05/2022] [Indexed: 11/16/2022]
Abstract
OBJECTIVES The aim of this study was to examine whether antioxidant vitamin supplementation with vitamin C (VitC) and vitamin E (VitE) affects the hypertrophic and functional adaptations to resistance training in trained men. METHODS This was a double-blind, randomized controlled trial in which participants were supplemented daily with VitC and VitE ( n = 12) or placebo ( n = 11) while completing a 10-wk resistance training program accompanied by a dietary intervention (300 kcal surplus and adequate protein intake) designed to optimize hypertrophy. Body composition (dual-energy x-ray absorptiometry), handgrip strength, and one-repetition maximum (1-RM), maximal force (F0), velocity (V0), and power (Pmax) were measured in bench press (BP) and squat (SQ) tests conducted before and after the intervention. To detect between-group differences, multiple-mixed analysis of variance, standardized differences, and qualitative differences were estimated. Relative changes within each group were assessed using a paired Student's t test. RESULTS In both groups, similar improvements were produced in BP 1-RM , SQ 1-RM SQ, and BP F0 (P < 0.05) after the resistance training program. A small effect size was observed for BP 1-RM (d = 0.53), BP F0 (d = 0.48), and SQ 1-RM (d = -0.39), but not for SQ F0 (d = 0.03). Dominant handgrip strength was significantly increased only in the placebo group (P < 0.05). According to body composition data, a significant increase was produced in upper body fat-free mass soft tissue (FFMST; P < 0.05) in the placebo group, whereas neither total nor segmental FFMST was increased in the vitamin group. Small intervention effect sizes were observed for upper body FFSMT (d = 0.32), non-dominant and dominant leg FFMST (d = -0.39; d = -0.42). Although a significant increase in total body fat was observed in both groups (P < 0.05) only the placebo group showed an increase in visceral adipose tissue (P < 0.05), showing a substantial intervention effect (d = 0.85). CONCLUSIONS The data indicated that, although VitC/VitE supplementation seemed to blunt upper body strength and hypertrophy adaptations to resistance training, it could also mitigate gains in visceral adipose tissue elicited by an energy surplus.
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Affiliation(s)
- María Martínez-Ferrán
- Faculty of Sports Sciences, Universidad Europea de Madrid, Madrid, Spain; Faculty of Health Sciences, Universidad Isabel I, Burgos, Spain.
| | - Luis A Berlanga
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Madrid, Spain
| | - Olga Barcelo-Guido
- Faculty of Sports Sciences, Universidad Europea de Madrid, Madrid, Spain
| | | | | | | | | | - Diego Munguía-Izquierdo
- Physical Performance and Sports Research Center, Department of Sports and Computer Science, Section of Physical Education and Sports, Faculty of Sport Sciences, Universidad Pablo de Olavide, Sevilla, Spain
| | - Helios Pareja-Galeano
- Department of Physical Education, Sport and Human Movement, Universidad Autónoma de Madrid, Spain
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Kurajoh M, Mori K, Miyabe M, Matsufuji S, Kizu A, Tsujimoto Y, Emoto M. Xanthine Oxidoreductase Inhibitor Use Associated With Reduced Risk of Sarcopenia and Severe Sarcopenia in Patients Undergoing Hemodialysis. Front Med (Lausanne) 2022; 9:817578. [PMID: 35198574 PMCID: PMC8859856 DOI: 10.3389/fmed.2022.817578] [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: 11/18/2021] [Accepted: 01/17/2022] [Indexed: 11/17/2022] Open
Abstract
Background Xanthine oxidoreductase (XOR) inhibition reduces reactive oxygen species (ROS) production and enhances adenosine triphosphate (ATP) synthesis. We investigated the protective effects of XOR inhibitor treatment on sarcopenia, frequently observed in patients undergoing hemodialysis (HD), in which increased ROS and ATP shortage are known to be involved. Methods This retrospective cross-sectional study included 296 HD patient (203 males, 93 females). Muscle mass, physical performance, and muscle strength were assessed using dual-energy X-ray absorptiometry, five-time chair stand testing, and handgrip strength, respectively. The Asian Working Group for Sarcopenia 2019 criteria were used to define low muscle mass, low physical performance, and low muscle strength, as well as sarcopenia and severe sarcopenia. Results Sarcopenia and severe sarcopenia prevalence rates were 42.2 and 20.9%, respectively. XOR inhibitor users (n = 119) showed a significantly (p < 0.05) lower prevalence of sarcopenia and severe sarcopenia, as well as reduced muscle mass, physical performance, and muscle strength than non-users (n = 177). Multivariate logistic regression analyses also revealed XOR inhibitor use to be significantly associated with low muscle mass [odds ratio (OR), 0.384; 95% confidence interval (CI), 0.183–0.806; p = 0.011] and low physical performance (OR, 0.286; 95% CI, 0.142–0.578; p < 0.001), while significance with low muscle strength was borderline. Furthermore, XOR inhibitor use was significantly associated with sarcopenia (OR, 0.462; 95% CI, 0.226–0.947; p = 0.035) and severe sarcopenia (OR, 0.236; 95% CI, 0.091–0.614; p = 0.003). Conclusions XOR inhibitor use was significantly associated with reduced risk of sarcopenia/severe sarcopenia in HD patients, suggesting that XOR inhibitor treatment has protective effects on sarcopenia in HD patients.
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Affiliation(s)
- Masafumi Kurajoh
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Katsuhito Mori
- Department of Nephrology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Mizuki Miyabe
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan.,Division of Internal Medicine, Dialysis Center, Inoue Hospital, Osaka, Japan
| | | | - Akane Kizu
- Division of Internal Medicine, Dialysis Center, Inoue Hospital, Osaka, Japan
| | - Yoshihiro Tsujimoto
- Division of Internal Medicine, Dialysis Center, Inoue Hospital, Osaka, Japan
| | - Masanori Emoto
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan.,Department of Nephrology, Osaka City University Graduate School of Medicine, Osaka, Japan
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Kruijt N, den Bersselaar LV, Snoeck M, Kramers K, Riazi S, Bongers C, Treves S, Jungbluth H, Voermans N. RYR1-related rhabdomyolysis: a spectrum of hypermetabolic states due to ryanodine receptor dysfunction. Curr Pharm Des 2021; 28:2-14. [PMID: 34348614 DOI: 10.2174/1381612827666210804095300] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 05/10/2021] [Indexed: 11/22/2022]
Abstract
Variants in the ryanodine receptor-1 gene (RYR1) have been associated with a wide range of neuromuscular conditions, including various congenital myopathies and malignant hyperthermia (MH). More recently, a number of RYR1 variants, mostly MH-associated, have been demonstrated to contribute to rhabdomyolysis events not directly related to anesthesia in otherwise healthy individuals. This review focuses on RYR1-related rhabdomyolysis, in the context of several clinical presentations (i.e., exertional rhabdomyolysis, exertional heat illnesses and MH), and conditions involving a similar hypermetabolic state, in which RYR1 variants may be present (i.e., neuroleptic malignant syndrome and serotonin syndrome). The variety of triggers that can evoke rhabdomyolysis, on their own or in combination, as well as the number of potentially associated complications, illustrates that this is a condition relevant to several medical disciplines. External triggers include but are not limited to strenuous physical exercise, especially if unaccustomed or performed under challenging environmental conditions (e.g., high ambient temperature or humidity), alcohol/illicit drugs, prescription medication (in particular statins, other anti-lipid agents, antipsychotics and antidepressants) infection, or heat. Amongst all patients presenting with rhabdomyolysis, a genetic susceptibility is present in a proportion, with RYR1 being one of the most common genetic causes. Clinical clues for a genetic susceptibility include recurrent rhabdomyolysis, creatine kinase (CK) levels above 50 times the upper limit of normal, hyperCKemia lasting for 8 weeks or longer, drug/medication doses insufficient to explain the rhabdomyolysis event, and a positive family history. For the treatment or prevention of RYR1-related rhabdomyolysis, the RYR1 antagonist dantrolene can be administered, both in the acute phase, or prophylactically in patients with a history of muscle cramps and/or recurrent rhabdomyolysis events. Aside from dantrolene, several other drugs are being investigated for their potential therapeutic use in RYR1-related disorders. These findings offer further therapeutic perspectives for humans, suggesting an important area for future research.
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Affiliation(s)
- Nick Kruijt
- Department of Neurology, Radboud University Medical Centre, Nijmegen. Netherlands
| | | | - Marc Snoeck
- Malignant Hyperthermia Investigation Unit, Canisius Wilhelmina Hospital, Nijmegen. Netherlands
| | - Kees Kramers
- Department of Pharmacology and Toxicology, Radboud University Medical Centre, Nijmegen. Netherlands
| | - Sheila Riazi
- Department of Anesthesiology and Pain Medicine, University Health Network, University of Toronto, Toronto, ON. Canada
| | - Coen Bongers
- Department of Physiology, Radboudumc, Nijmegen. Netherlands
| | - Susan Treves
- Department of Biomedicine, University Hospital Basel. Switzerland
| | - Heinz Jungbluth
- Department of Paediatric Neurology - Neuromuscular Service, Evelina Children's Hospital, Guy's & St Thomas' NHS Foundation Trust, London. United Kingdom
| | - Nicol Voermans
- Department of Neurology, Radboud University Medical Centre, Nijmegen. Netherlands
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Trecroci A, Perri E, Lombardi G, Banfi G, Del Vescovo R, Rosa EM, Alberti G, Iaia FM. Perceptual and Biochemical Responses in Relation to Different Match-Day +2 Training Interventions in Soccer Players. Front Physiol 2021; 12:685804. [PMID: 34248672 PMCID: PMC8264547 DOI: 10.3389/fphys.2021.685804] [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: 03/25/2021] [Accepted: 05/24/2021] [Indexed: 12/04/2022] Open
Abstract
The aim of this study was to examine the impact of two different post-match training interventions on the subsequent recovery of perceptual and biochemical parameters after the game. In a crossover design, eight sub-elite players underwent a soccer-specific training (SST) and an active recovery (AR) regimen on the second day after a match (+48 h). Muscle soreness as well as muscle damage (creatine kinase, CK), inflammatory (C-reactive protein and interleukin 6), immunological (e.g., lymphocytes, neutrophils, and monocytes), and endocrine (cortisol) markers were obtained at baseline (-72 h), immediately after (0 h), and 72 h post-match (+72 h). AR promoted a higher restoration of muscle soreness values (P = 0.004, η2 p = 0.49) together with a better restoration of CK within 72 h post-match compared with SST (P = 0.04, η2 p = 0.36). Conversely, no significant (P > 0.05, η2 p < 0.91) differences were observed in the recovery timeframe of inflammatory, immunological, and endocrine responses between SST and AR. Overall, AR elicited a quicker muscle soreness and CK restoration compared to SST intervention at 72 h post-match. Such information provides novel evidence-based findings on the appropriateness of different recovery strategies and may aid to improve the practitioners' decision-making process when two consecutive games are played within 3 days.
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Affiliation(s)
- Athos Trecroci
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
| | - Enrico Perri
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
| | - Giovanni Lombardi
- Laboratory of Experimental Biochemistry and Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
- Department of Athletics, Strength and Conditioning, Poznań University of Physical Education, Poznań, Poland
| | - Giuseppe Banfi
- Laboratory of Experimental Biochemistry and Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | | | | | - Giampietro Alberti
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
| | - F. Marcello Iaia
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
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6
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Hooper DR, Orange T, Gruber MT, Darakjian AA, Conway KL, Hausenblas HA. Broad Spectrum Polyphenol Supplementation from Tart Cherry Extract on Markers of Recovery from Intense Resistance Exercise. J Int Soc Sports Nutr 2021; 18:47. [PMID: 34126996 PMCID: PMC8204440 DOI: 10.1186/s12970-021-00449-x] [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: 08/09/2020] [Accepted: 06/02/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Tart cherry supplementation has been shown to enhance recovery from strenuous exercise due to its antioxidant properties. The majority of these studies used tart cherry juice, with a significant calorie content. The primary purpose of this study was to assess whether powdered tart cherry extract with minimal calorie content reduces oxidative stress and enhances recovery following intense resistance exercise. METHODS Thirteen men (mean age: 26.2 ± 5.3 years; height: 184.3 ± 8.2 cm; weight: 92.9 ± 15.6 kg) performed a demanding resistance exercise protocol consisting of 6 sets of 10 repetitions of barbell back squat with 80% 1RM. The protocol was performed once following 7 days of 500 mg of tart cherry extract and once following placebo. Serum protein carbonyl (PC) content, creatine kinase activity (CK) and creatine kinase myocardial band content (CK-MB) were used to assess oxidative stress, skeletal and cardiac muscle damage respectively. Muscle soreness was assessed by visual analog scale. Physical performance was measured by countermovement jump power and handgrip dynamometer strength. RESULTS There was a significant increase in PC in the placebo (PL) condition when compared to the Tart Cherry (TC) condition at Immediate Post (IP) (PL: 0.4 ± 0.3 vs. TC: - 0.4 ± 0.2 nmol∙mg- 1; p < 0.001), 1 h (PL: 0.3 ± 0.3 vs. TC: - 0.7 ± 0.3 nmol∙mg- 1; p < 0.001) and 24 h (PL: 0.1 ± 0.4 vs. TC: - 0.3 ± 0.5 nmol∙mg- 1; p = 0.010). There was a significant increase in CK activity in PL when compared to the TC at IP (PL: 491.1 ± 280 vs. TC: 296.3 ± 178 U∙L- 1; p = 0.008) and 3 h (PL: - 87 ± 123 vs. TC: 43.1 ± 105.3 U∙L- 1; p = 0.006). There was a significant (p = 0.003) increase in CKMB concentration in PL when compared to the TC (PL: 21.6 ± 12.4 vs. TC: - 0.3 ± 11.8 ng∙ml- 1; p = 0.006) at 1 h post. There was a significant increase in handgrip strength in TC when compared to PL (PL: - 2 ± 5.1 vs. TC: 1.7 ± 3 kg; p = 0.017) at 24 h post. CONCLUSIONS This study demonstrated that tart cherry extract reduced oxidative stress and markers of muscle and cardiac damage following intense resistance exercise. This occurred along with a prevention of the decrease in handgrip strength seen following the intense exercise protocol, indicating a potential reduction in central fatigue. These benefits were seen with minimal energy intake.
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Affiliation(s)
- D R Hooper
- Center for Health and Human Performance, Jacksonville University, Jacksonville, USA. .,Department of Kinesiology, Brooks Rehabilitation College of Healthcare Sciences, Health Sciences Complex, Jacksonville University, 2800 University Boulevard North, Jacksonville, FL, 32211, USA.
| | - T Orange
- Center for Health and Human Performance, Jacksonville University, Jacksonville, USA
| | - M T Gruber
- Department of Biology and Marine Science, Jacksonville University, Jacksonville, USA
| | - A A Darakjian
- Department of Biology and Marine Science, Jacksonville University, Jacksonville, USA
| | - K L Conway
- Department of Biology and Marine Science, Jacksonville University, Jacksonville, USA
| | - H A Hausenblas
- Center for Health and Human Performance, Jacksonville University, Jacksonville, USA.,Department of Kinesiology, Brooks Rehabilitation College of Healthcare Sciences, Health Sciences Complex, Jacksonville University, 2800 University Boulevard North, Jacksonville, FL, 32211, USA
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7
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Kashef A, Nikoo AS. Effects of short duration high intensity competition on cardiac and cell damage biomarkers. COMPARATIVE EXERCISE PHYSIOLOGY 2021. [DOI: 10.3920/cep200047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The purpose of this study was to investigate the cardiac biomarkers like cardiac troponin T (cTnT), cardiac troponin I, and creatine kinase-MB (CK-MB) and the cell damage biomarkers including creatine phosphokinase (CPK), C-reactive protein (CRP), lactate dehydrogenase (LDH), aspartate aminotransferase (AST), and alanine aminotransferase (ALT) in response to a short-duration high-intensity competition with correction of the post-exercise raw data with the plasma volume loss in trained athletes. Thirty-two male athletes (age, 26.9±4.7 years) competed in 8 min high-intensity competition. The competition items included: running for 400 meters; three-stage deadlifting; bar pulling up; and 30 kg kettlebell swinging. Venous blood samples were obtained before and immediately after the competition and biomarkers analysed. Plasma volume changes were estimated from haemoglobin and haematocrit readings before and after the competition. A significant increase was shown immediately after the competition compared to resting in cTnT, AST, ALT, CPK, and CRP (P<0/001). CK-MB showed no significant difference. When raw data were corrected for plasma volume loss, CPK showed a significant increase (P<0.001), and LDH and CK-MB a significant decrease (P<0.001), however cTnT, AST, ALT and CRP showed no significant difference. The plasma volume loss can affect the response of cardiac and cellular damage biomarkers to exercise. High-intensity competition for 8 min did not elevate the cardiac biomarkers, but elevated the muscle biomarkers.
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Affiliation(s)
- A. Kashef
- Exercise Physiology Department, Shahid Rajaee Teacher Training University, Lavizan St., Tehran, 1678815811, Iran
| | - A. Sadeghi Nikoo
- Oxygen Medical and Research Center, Seoul St., Tehran, 1468973141, Iran
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8
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Gomez-Cabrera MC, Carretero A, Millan-Domingo F, Garcia-Dominguez E, Correas AG, Olaso-Gonzalez G, Viña J. Redox-related biomarkers in physical exercise. Redox Biol 2021; 42:101956. [PMID: 33811000 PMCID: PMC8113051 DOI: 10.1016/j.redox.2021.101956] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/13/2021] [Accepted: 03/18/2021] [Indexed: 12/20/2022] Open
Abstract
Research in redox biology of exercise has made considerable advances in the last 70 years. Since the seminal study of George Pake's group calculating the content of free radicals in skeletal muscle in resting conditions in 1954, many discoveries have been made in the field. The first section of this review is devoted to highlight the main research findings and fundamental changes in the exercise redox biology discipline. It includes: i) the first steps in free radical research, ii) the relation between exercise and oxidative damage, iii) the redox regulation of muscle fatigue, iv) the sources of free radicals during muscle contractions, and v) the role of reactive oxygen species as regulators of gene transcription and adaptations in skeletal muscle. In the second section of the manuscript, we review the available biomarkers for assessing health, performance, recovery during exercise training and overtraining in the sport population. Among the set of biomarkers that could be determined in exercise studies we deepen on the four categories of redox biomarkers: i) oxidants, ii) antioxidants, iii) oxidation products (markers of oxidative damage), and iv) measurements of the redox balance (markers of oxidative stress). The main drawbacks, strengths, weaknesses, and methodological considerations of every biomarker are also discussed.
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Affiliation(s)
- Mari Carmen Gomez-Cabrera
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES. Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Aitor Carretero
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES. Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Fernando Millan-Domingo
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES. Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Esther Garcia-Dominguez
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES. Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Angela G Correas
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES. Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Gloria Olaso-Gonzalez
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES. Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain.
| | - Jose Viña
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES. Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
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Sabaghi A, Heirani A, Kiani A, Yousofvand N, Sabaghi S. The Reduction of Seizure Intensity and Attenuation of Memory Deficiency and Anxiety-Like Behavior through Aerobic Exercise by Increasing the BDNF in Mice with Chronic Epilepsy. NEUROCHEM J+ 2020. [DOI: 10.1134/s1819712420020105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Do Antioxidant Vitamins Prevent Exercise-Induced Muscle Damage? A Systematic Review. Antioxidants (Basel) 2020; 9:antiox9050372. [PMID: 32365669 PMCID: PMC7278664 DOI: 10.3390/antiox9050372] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/27/2020] [Accepted: 04/28/2020] [Indexed: 12/20/2022] Open
Abstract
Free radicals produced during exercise play a role in modulating cell signaling pathways. High doses of antioxidants may hamper adaptations to exercise training. However, their benefits are unclear. This review aims to examine whether vitamin C (VitC) and/or vitamin E (VitE) supplementation (SUP) prevents exercise-induced muscle damage. The PubMed, Web of Science, Medline, CINAHL, and SPORTDiscus databases were searched, and 21 articles were included. Four studies examined the effects of acute VitC SUP given pre-exercise: in one study, lower CK levels post-exercise was observed; in three, no difference was recorded. In one study, acute VitE SUP reduced CK activity 1 h post-exercise in conditions of hypoxia. In three studies, chronic VitE SUP did not reduce CK activity after an exercise session. Chronic VitE SUP did not reduce creatine kinase (CK) concentrations after three strength training sessions, but it was effective after 6 days of endurance training in another study. Chronic SUP with VitC + E reduced CK activity post-exercise in two studies, but there was no such effect in four studies. Finally, three studies described the effects of chronic VitC + E SUP and long-term exercise, reporting dissimilar results. To conclude, although there is some evidence of a protective effect of VitC and/or VitE against exercise-induced muscle damage, the available data are not conclusive.
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Lippi G, Schena F, Ceriotti F. Diagnostic biomarkers of muscle injury and exertional rhabdomyolysis. Clin Chem Lab Med 2019; 57:175-182. [PMID: 30173201 DOI: 10.1515/cclm-2018-0656] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Accepted: 08/02/2018] [Indexed: 12/18/2022]
Abstract
Early recognition of muscle injury, up to development of exertional rhabdomyolysis (ER), is essential for many clinical and practical reasons, such as planning the suitable period of recovery and deciding an appropriate time for return to exercise. Albeit magnetic resonance imaging (MRI) remains the reference technique for assessing muscle injuries, and ultrasonography (US) may be a complementary approach for easy, inexpensive and fast screening, the potential drawbacks of both techniques may be overcome by some laboratory tests, which may help guiding both diagnostic reasoning and clinical decision making. Current evidence attest that creatine kinase remains the most validated test across the clinical spectrum of muscles injuries, as its measurement may be helpful for screening subjects with suggestive signs and symptoms, its concentration substantially reflects the amount of injured muscle and its kinetics appears suitable, combined with clinics and results of imaging testing, for making decisions on return to exercise. Relatively low cost and widespread availability are additional advantages of this test. In athletes with ER, myoglobin assessment may provide adjunctive useful information, due to high predictive value for development of acute kidney injury. Regarding other historical biomarkers, namely aldolase and lactate dehydrogenase, the kinetics, correlation with injury severity, laboratory standardization and availability make their measurement unsuitable and redundant. Some innovative biomarkers have also been tested in recent years, including fatty acid-binding proteins and carbonic anhydrase III, myosin light chain 3 and muscle micro RNAs. However, their clinical effectiveness, standardization, availability in clinical laboratories and costs are still regarded as major drawbacks.
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Affiliation(s)
- Giuseppe Lippi
- Section of Clinical Biochemistry, University Hospital of Verona, Piazzale LA Scuro, 37100 Verona, Italy
| | - Federico Schena
- School of Sport and Exercise Sciences, University of Verona, Verona, Italy
| | - Ferruccio Ceriotti
- Clinical Laboratory, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
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12
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Çankaya T, Karli Ü, Buğdayci G. Comparison of exhaustive concentric and eccentric contractions: Effects on muscle damage and EMG responses during recovery period. ISOKINET EXERC SCI 2019. [DOI: 10.3233/ies-183154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Tamer Çankaya
- School of Physical Therapy and Rehabilitation, Abant İzzet Baysal University, Bolu, Turkey
| | - Ümid Karli
- School of Physical Education and Sport, Abant İzzet Baysal University, Bolu, Turkey
| | - Güler Buğdayci
- Faculty of Medicine, Department of Biochemistry, Abant İzzet Baysal University, Bolu, Turkey
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De la Rosa A, Solana E, Corpas R, Bartrés-Faz D, Pallàs M, Vina J, Sanfeliu C, Gomez-Cabrera MC. Long-term exercise training improves memory in middle-aged men and modulates peripheral levels of BDNF and Cathepsin B. Sci Rep 2019; 9:3337. [PMID: 30833610 PMCID: PMC6399244 DOI: 10.1038/s41598-019-40040-8] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 02/04/2019] [Indexed: 01/20/2023] Open
Abstract
Aging is accompanied by a decline in memory and other brain functions. Physical exercise may mitigate this decline through the modulation of factors participating in the crosstalk between skeletal muscle and the brain, such as neurotrophins and oxidative stress parameters. We aimed to determine whether long term exercise training (35 ± 15 years) promotes memory maintenance in middle-aged men, and to characterize the changes in neurotrophic factors and lipid oxidation markers in peripheral blood samples in both middle-aged and young men. The neuropsychological analysis showed significant improvements in memory through the Free and Cued Immediate Recall tests, in the middle-aged trained individuals when compared to the sedentary ones. We found a significant decrease in the resting serum BDNF and plasma Cathepsin B (CTSB) levels in the trained groups at both middle and young ages. BDNF and CTSB levels were inversely correlated with weekly hours of exercise. We also found a significant decrease in plasma malondialdehyde, an index of lipid peroxidation, in middle-aged and young trained subjects. The positive impact of long-term exercise training by delaying the onset of physiological memory loss and the associated neurotrophic and redox peripheral modulation, suggests the effectiveness of exercise as preventive strategy against age-related memory loss and neurodegeneration.
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Affiliation(s)
- Adrián De la Rosa
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Elisabeth Solana
- Departament de Medicina, Facultat de Medicina, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Rubén Corpas
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), CSIC, IDIBAPS and CIBERESP, Barcelona, Spain
| | - David Bartrés-Faz
- Departament de Medicina, Facultat de Medicina, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Mercè Pallàs
- Unitat de Farmacologia i Farmacognòsia, Facultat de Farmàcia i Ciències de l'Alimentació, Institut de Neurociència, Universitat de Barcelona, Barcelona, Spain
| | - Jose Vina
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Coral Sanfeliu
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), CSIC, IDIBAPS and CIBERESP, Barcelona, Spain.
| | - Mari Carmen Gomez-Cabrera
- Freshage Research Group, Department of Physiology, Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain.
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Johnson TA, Jinnah HA, Kamatani N. Shortage of Cellular ATP as a Cause of Diseases and Strategies to Enhance ATP. Front Pharmacol 2019; 10:98. [PMID: 30837873 PMCID: PMC6390775 DOI: 10.3389/fphar.2019.00098] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 01/24/2019] [Indexed: 12/14/2022] Open
Abstract
Germline mutations in cellular-energy associated genes have been shown to lead to various monogenic disorders. Notably, mitochondrial disorders often impact skeletal muscle, brain, liver, heart, and kidneys, which are the body’s top energy-consuming organs. However, energy-related dysfunctions have not been widely seen as causes of common diseases, although evidence points to such a link for certain disorders. During acute energy consumption, like extreme exercise, cells increase the favorability of the adenylate kinase reaction 2-ADP -> ATP+AMP by AMP deaminase degrading AMP to IMP, which further degrades to inosine and then to purines hypoxanthine -> xanthine -> urate. Thus, increased blood urate levels may act as a barometer of extreme energy consumption. AMP deaminase deficient subjects experience some negative effects like decreased muscle power output, but also positive effects such as decreased diabetes and improved prognosis for chronic heart failure patients. That may reflect decreased energy consumption from maintaining the pool of IMP for salvage to AMP and then ATP, since de novo IMP synthesis requires burning seven ATPs. Similarly, beneficial effects have been seen in heart, skeletal muscle, or brain after treatment with allopurinol or febuxostat to inhibit xanthine oxidoreductase, which catalyzes hypoxanthine -> xanthine and xanthine -> urate reactions. Some disorders of those organs may reflect dysfunction in energy-consumption/production, and the observed beneficial effects related to reinforcement of ATP re-synthesis due to increased hypoxanthine levels in the blood and tissues. Recent clinical studies indicated that treatment with xanthine oxidoreductase inhibitors plus inosine had the strongest impact for increasing the pool of salvageable purines and leading to increased ATP levels in humans, thereby suggesting that this combination is more beneficial than a xanthine oxidoreductase inhibitor alone to treat disorders with ATP deficiency.
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Affiliation(s)
| | - H A Jinnah
- Departments of Neurology and Human Genetics, Emory University School of Medicine, Atlanta, GA, United States
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Enhancement of Exercise Performance by 48 Hours, and 15-Day Supplementation with Mangiferin and Luteolin in Men. Nutrients 2019; 11:nu11020344. [PMID: 30736383 PMCID: PMC6412949 DOI: 10.3390/nu11020344] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 01/26/2019] [Accepted: 01/29/2019] [Indexed: 12/27/2022] Open
Abstract
The natural polyphenols mangiferin and luteolin have free radical-scavenging properties, induce the antioxidant gene program and down-regulate the expression of superoxide-producing enzymes. However, the effects of these two polyphenols on exercise capacity remains mostly unknown. To determine whether a combination of luteolin (peanut husk extract containing 95% luteolin, PHE) and mangiferin (mango leave extract (MLE), Zynamite®) at low (PHE: 50 mg/day; and 140 mg/day of MLE containing 100 mg of mangiferin; L) and high doses (PHE: 100 mg/day; MLE: 420 mg/day; H) may enhance exercise performance, twelve physically active men performed incremental exercise to exhaustion, followed by sprint and endurance exercise after 48 h (acute effects) and 15 days of supplementation (prolonged effects) with polyphenols or placebo, following a double-blind crossover design. During sprint exercise, mangiferin + luteolin supplementation enhanced exercise performance, facilitated muscle oxygen extraction, and improved brain oxygenation, without increasing the VO₂. Compared to placebo, mangiferin + luteolin increased muscle O₂ extraction during post-exercise ischemia, and improved sprint performance after ischemia-reperfusion likely by increasing glycolytic energy production, as reflected by higher blood lactate concentrations after the sprints. Similar responses were elicited by the two doses tested. In conclusion, acute and prolonged supplementation with mangiferin combined with luteolin enhances performance, muscle O₂ extraction, and brain oxygenation during sprint exercise, at high and low doses.
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Anti-Inflammatory Effect of Gamisoyo-San in an Animal Model of Amyotrophic Lateral Sclerosis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:8580152. [PMID: 30034501 PMCID: PMC6032819 DOI: 10.1155/2018/8580152] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/11/2018] [Accepted: 05/24/2018] [Indexed: 12/11/2022]
Abstract
Inflammation is considered a critical factor in the pathogenesis of amyotrophic lateral sclerosis (ALS). We aimed to evaluate the effect of the herbal formula Gamisoyo-San (GSS) on the muscles of hSOD1G93A transgenic mice, a mouse model of ALS, by examining the tissue expression of inflammation- and oxidative stress-related proteins. The mice were randomly divided into three groups: nontransgenic mice (non-Tg, n = 4), hSOD1G93A transgenic mice (Tg, n = 4), and GSS-treated hSOD1G93A transgenic mice (Tg+GSS, n = 4). Eight-week-old female hSOD1G93A transgenic mice were fed GSS (1 mg/g body weight) for 6 weeks. Gastrocnemius (GA) tissues were analyzed for inflammatory proteins [CD11b and toll-like receptor 4 (TLR4)] and oxidative stress-related proteins [heme oxygenase 1 (HO1) and ferritin] by western blot analysis. Administration of GSS significantly reduced the level of inflammation- and oxidative stress-related proteins in hSOD1G93A transgenic mice. GSS ameliorated inflammation by downregulating TLR4 and CD11b expression and regulated iron homeostasis in the GA muscle of hSOD1G93A mice. GSS could help reduce inflammation by regulating immune reactions in patients with ALS. To the best of our knowledge, this is the first study to demonstrate the effect of GSS on muscle inflammation in an ALS animal model.
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Ferrando B, Gomez-Cabrera MC, Salvador-Pascual A, Puchades C, Derbré F, Gratas-Delamarche A, Laparre L, Olaso-Gonzalez G, Cerda M, Viosca E, Alabajos A, Sebastiá V, Alberich-Bayarri A, García-Castro F, Viña J. Allopurinol partially prevents disuse muscle atrophy in mice and humans. Sci Rep 2018; 8:3549. [PMID: 29476130 PMCID: PMC5824846 DOI: 10.1038/s41598-018-21552-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 02/07/2018] [Indexed: 12/31/2022] Open
Abstract
Disuse muscle wasting will likely affect everyone in his or her lifetime in response to pathologies such as joint immobilization, inactivity or bed rest. There are no good therapies to treat it. We previously found that allopurinol, a drug widely used to treat gout, protects muscle damage after exhaustive exercise and results in functional gains in old individuals. Thus, we decided to test its effect in the prevention of soleus muscle atrophy after two weeks of hindlimb unloading in mice, and lower leg immobilization following ankle sprain in humans (EudraCT: 2011-003541-17). Our results show that allopurinol partially protects against muscle atrophy in both mice and humans. The protective effect of allopurinol is similar to that of resistance exercise which is the best-known way to prevent muscle mass loss in disuse human models. We report that allopurinol protects against the loss of muscle mass by inhibiting the expression of ubiquitin ligases. Our results suggest that the ubiquitin-proteasome pathway is an appropriate therapeutic target to inhibit muscle wasting and emphasizes the role of allopurinol as a non-hormonal intervention to treat disuse muscle atrophy.
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Affiliation(s)
- Beatriz Ferrando
- Danish Center for Molecular Gerontology and Danish Aging Research Center, Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark.,Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Mari Carmen Gomez-Cabrera
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain.
| | - Andrea Salvador-Pascual
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Carlos Puchades
- Servicio de Oncología Médica, Hospital La Fe, Valencia, Spain
| | - Frederic Derbré
- Laboratory of Movement Sport and Health Sciences (M2S), University Rennes 2-ENS, Rennes, France
| | | | - Ludovic Laparre
- Laboratory of Movement Sport and Health Sciences (M2S), University Rennes 2-ENS, Rennes, France
| | - Gloria Olaso-Gonzalez
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - Miguel Cerda
- Department of Pathology, University of Valencia, Valencia, Spain
| | - Enrique Viosca
- Servicio de Medicina Física y Rehabilitación, Hospital La Fe, Valencia, Spain
| | - Ana Alabajos
- Servicio de Medicina Física y Rehabilitación, Hospital La Fe, Valencia, Spain
| | - Vicente Sebastiá
- Clinica Ypsilon de medicina física y rehabilitación, Valencia, Spain
| | - Angel Alberich-Bayarri
- GIBI 230 (Biomedical Imaging Research Group), La Fe Health Research Institute, Valencia, Spain.,QUIBIM SL, Valencia, Spain
| | | | - Jose Viña
- Freshage Research Group, Department of Physiology. Faculty of Medicine, University of Valencia and CIBERFES, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
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Ranchordas MK, Rogerson D, Soltani H, Costello JT, Cochrane Bone, Joint and Muscle Trauma Group. Antioxidants for preventing and reducing muscle soreness after exercise. Cochrane Database Syst Rev 2017; 12:CD009789. [PMID: 29238948 PMCID: PMC6486214 DOI: 10.1002/14651858.cd009789.pub2] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Muscle soreness typically occurs after intense exercise, unaccustomed exercise or actions that involve eccentric contractions where the muscle lengthens while under tension. It peaks between 24 and 72 hours after the initial bout of exercise. Many people take antioxidant supplements or antioxidant-enriched foods before and after exercise in the belief that these will prevent or reduce muscle soreness after exercise. OBJECTIVES To assess the effects (benefits and harms) of antioxidant supplements and antioxidant-enriched foods for preventing and reducing the severity and duration of delayed onset muscle soreness following exercise. SEARCH METHODS We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, the Cochrane Central Register of Controlled Trials, MEDLINE, Embase, SPORTDiscus, trial registers, reference lists of articles and conference proceedings up to February 2017. SELECTION CRITERIA We included randomised and quasi-randomised controlled trials investigating the effects of all forms of antioxidant supplementation including specific antioxidant supplements (e.g. tablets, powders, concentrates) and antioxidant-enriched foods or diets on preventing or reducing delayed onset muscle soreness (DOMS). We excluded studies where antioxidant supplementation was combined with another supplement. DATA COLLECTION AND ANALYSIS Two review authors independently screened search results, assessed risk of bias and extracted data from included trials using a pre-piloted form. Where appropriate, we pooled results of comparable trials, generally using the random-effects model. The outcomes selected for presentation in the 'Summary of findings' table were muscle soreness, collected at times up to 6 hours, 24, 48, 72 and 96 hours post-exercise, subjective recovery and adverse effects. We assessed the quality of the evidence using GRADE. MAIN RESULTS Fifty randomised, placebo-controlled trials were included, 12 of which used a cross-over design. Of the 1089 participants, 961 (88.2%) were male and 128 (11.8%) were female. The age range for participants was between 16 and 55 years and training status varied from sedentary to moderately trained. The trials were heterogeneous, including the timing (pre-exercise or post-exercise), frequency, dose, duration and type of antioxidant supplementation, and the type of preceding exercise. All studies used an antioxidant dosage higher than the recommended daily amount. The majority of trials (47) had design features that carried a high risk of bias due to selective reporting and poorly described allocation concealment, potentially limiting the reliability of their findings.We tested only one comparison: antioxidant supplements versus control (placebo). No studies compared high-dose versus low-dose, where the low-dose supplementation was within normal or recommended levels for the antioxidant involved.Pooled results for muscle soreness indicated a small difference in favour of antioxidant supplementation after DOMS-inducing exercise at all main follow-ups: up to 6 hours (standardised mean difference (SMD) -0.30, 95% confidence interval (CI) -0.56 to -0.04; 525 participants, 21 studies; low-quality evidence); at 24 hours (SMD -0.13, 95% CI -0.27 to 0.00; 936 participants, 41 studies; moderate-quality evidence); at 48 hours (SMD -0.24, 95% CI -0.42 to -0.07; 1047 participants, 45 studies; low-quality evidence); at 72 hours (SMD -0.19, 95% CI -0.38 to -0.00; 657 participants, 28 studies; moderate-quality evidence), and little difference at 96 hours (SMD -0.05, 95% CI -0.29 to 0.19; 436 participants, 17 studies; low-quality evidence). When we rescaled to a 0 to 10 cm scale in order to quantify the actual difference between groups, we found that the 95% CIs for all five follow-up times were all well below the minimal important difference of 1.4 cm: up to 6 hours (MD -0.52, 95% CI -0.95 to -0.08); at 24 hours (MD -0.17, 95% CI -0.42 to 0.07); at 48 hours (MD -0.41, 95% CI -0.69 to -0.12); at 72 hours (MD -0.29, 95% CI -0.59 to 0.02); and at 96 hours (MD -0.03, 95% CI -0.43 to 0.37). Thus, the effect sizes suggesting less muscle soreness with antioxidant supplementation were very unlikely to equate to meaningful or important differences in practice. Neither of our subgroup analyses to examine for differences in effect according to type of DOMS-inducing exercise (mechanical versus whole body aerobic) or according to funding source confirmed subgroup differences. Sensitivity analyses excluding cross-over trials showed that their inclusion had no important impact on results.None of the 50 included trials measured subjective recovery (return to previous activities without signs or symptoms).There is very little evidence regarding the potential adverse effects of taking antioxidant supplements as this outcome was reported in only nine trials (216 participants). From the studies that did report adverse effects, two of the nine trials found adverse effects. All six participants in the antioxidant group of one trial had diarrhoea and four of these also had mild indigestion; these are well-known side effects of the particular antioxidant used in this trial. One of 26 participants in a second trial had mild gastrointestinal distress. AUTHORS' CONCLUSIONS There is moderate to low-quality evidence that high dose antioxidant supplementation does not result in a clinically relevant reduction of muscle soreness after exercise at up to 6 hours or at 24, 48, 72 and 96 hours after exercise. There is no evidence available on subjective recovery and only limited evidence on the adverse effects of taking antioxidant supplements. The findings of, and messages from, this review provide an opportunity for researchers and other stakeholders to come together and consider what are the priorities, and underlying justifications, for future research in this area.
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Affiliation(s)
- Mayur K Ranchordas
- Sheffield Hallam UniversityDepartment of SportCollegiate Crescent CampusA221 Collegiate Hall, Ecclesall RoadSheffieldSouth YorkshireUKS10 2BP
| | - David Rogerson
- Sheffield Hallam UniversityDepartment of SportCollegiate Crescent CampusA221 Collegiate Hall, Ecclesall RoadSheffieldSouth YorkshireUKS10 2BP
| | - Hora Soltani
- Sheffield Hallam UniversityCentre for Health and Social Care Research32 Collegiate CrescentSheffieldUKS10 2BP
| | - Joseph T Costello
- University of PortsmouthDepartment of Sport and Exercise ScienceSpinnaker BuildingCambridge RoadPortsmouthUKP01 2ER
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Navas-Enamorado I, Bernier M, Brea-Calvo G, de Cabo R. Influence of anaerobic and aerobic exercise on age-related pathways in skeletal muscle. Ageing Res Rev 2017; 37:39-52. [PMID: 28487241 PMCID: PMC5549001 DOI: 10.1016/j.arr.2017.04.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Revised: 04/18/2017] [Accepted: 04/28/2017] [Indexed: 12/14/2022]
Affiliation(s)
- Ignacio Navas-Enamorado
- Translational Gerontology Branch, National Institute on Aging, NIH, 251 Bayview Boulevard, Suite 100, Baltimore, MD 21224, USA
| | - Michel Bernier
- Translational Gerontology Branch, National Institute on Aging, NIH, 251 Bayview Boulevard, Suite 100, Baltimore, MD 21224, USA
| | - Gloria Brea-Calvo
- Centro Andaluz de Biología del Desarrollo and CIBERER, Instituto de Salud Carlos III, Universidad Pablo de Olavide-CSIC-JA, Sevilla 41013, Spain
| | - Rafael de Cabo
- Translational Gerontology Branch, National Institute on Aging, NIH, 251 Bayview Boulevard, Suite 100, Baltimore, MD 21224, USA.
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Kumar R, Joshi G, Kler H, Kalra S, Kaur M, Arya R. Toward an Understanding of Structural Insights of Xanthine and Aldehyde Oxidases: An Overview of their Inhibitors and Role in Various Diseases. Med Res Rev 2017; 38:1073-1125. [DOI: 10.1002/med.21457] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 06/05/2017] [Accepted: 06/13/2017] [Indexed: 12/23/2022]
Affiliation(s)
- Raj Kumar
- Laboratory for Drug Design and Synthesis, Centre for Pharmaceutical Sciences and Natural Products, School of Basic and Applied Sciences; Central University of Punjab; Bathinda 151001 India
| | - Gaurav Joshi
- Laboratory for Drug Design and Synthesis, Centre for Pharmaceutical Sciences and Natural Products, School of Basic and Applied Sciences; Central University of Punjab; Bathinda 151001 India
| | - Harveen Kler
- Laboratory for Drug Design and Synthesis, Centre for Pharmaceutical Sciences and Natural Products, School of Basic and Applied Sciences; Central University of Punjab; Bathinda 151001 India
| | - Sourav Kalra
- Laboratory for Drug Design and Synthesis, Centre for Pharmaceutical Sciences and Natural Products, School of Basic and Applied Sciences; Central University of Punjab; Bathinda 151001 India
- Centre for Human Genetics and Molecular Medicine
| | - Manpreet Kaur
- Laboratory for Drug Design and Synthesis, Centre for Pharmaceutical Sciences and Natural Products, School of Basic and Applied Sciences; Central University of Punjab; Bathinda 151001 India
| | - Ramandeep Arya
- Laboratory for Drug Design and Synthesis, Centre for Pharmaceutical Sciences and Natural Products, School of Basic and Applied Sciences; Central University of Punjab; Bathinda 151001 India
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Danese E, Lippi G, Sanchis-Gomar F, Brocco G, Rizzo M, Banach M, Montagnana M. Physical Exercise and DNA Injury: Good or Evil? Adv Clin Chem 2017. [PMID: 28629589 DOI: 10.1016/bs.acc.2017.01.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Regular, low-intensity physical activity is currently advocated for lowering the risk of developing many acute and especially chronic diseases. However, several lines of evidence attest that strenuous exercise may enhance inflammation and trigger the generation of free radical-mediated damage, thus overwhelming the undisputable benefits of regular, medium-intensity physical activity. Since reactive oxygen species are actively generated during high-intensity exercise, and these reactive compounds are known to impact DNA stability, we review here the current evidence about strenuous exercise and DNA injury. Despite the outcome of the various studies cannot be pooled due to considerable variation in design, sample population, outcome, and analytical techniques used to assess DNA damage, it seems reasonable to conclude that medium- to high-volume exercise triggers a certain amount of DNA injury, which appears to be transitory and directly proportional to exercise intensity. This damage, reasonably attributable to direct effect of free radicals on nucleic acids, is efficiently repaired in vivo within 24-72h. Therefore, physical exercise should not bear long-term consequences for athlete's health provided that an appropriate time of recovery between volumes of high-intensity exercise is set. Regular exertion, with a step-by-step increase of exercise load, also seems to be the most safe approach for eluding DNA instability.
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Affiliation(s)
- Elisa Danese
- Section of Clinical Biochemistry, University of Verona, Verona, Italy
| | - Giuseppe Lippi
- Section of Clinical Biochemistry, University of Verona, Verona, Italy.
| | | | - Giorgio Brocco
- Research Institute of the Hospital 12 de Octubre (i+12), Madrid, Spain
| | | | - Maciej Banach
- WAM University Hospital in Lodz, Medical University of Lodz, Lodz, Poland
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Gomez-Cabrera MC, Viña J, Ji LL. Role of Redox Signaling and Inflammation in Skeletal Muscle Adaptations to Training. Antioxidants (Basel) 2016; 5:E48. [PMID: 27983587 PMCID: PMC5187546 DOI: 10.3390/antiox5040048] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 11/30/2016] [Accepted: 12/08/2016] [Indexed: 12/22/2022] Open
Abstract
The inflammatory response to exercise-induced muscle damage has been extensively described. Exercise has important modulatory effects on immune function. These effects are mediated by diverse factors including pro-inflammatory cytokines, classical stress hormones, and hemodynamic effects leading to cell redistribution. As has been reported regarding oxidative stress, inflammation can have both detrimental and beneficial effects in skeletal muscle. In this review we will address the role of inflammation on protein metabolism in skeletal muscle. Specifically, we will review studies showing that treatment with cyclooxygenase-inhibiting drugs modulate the protein synthesis response to one bout of resistance exercise and to training. Understanding how these drugs work is important for the millions of individuals worldwide that consume them regularly. We will also discuss the importance of reactive oxygen species and inflammatory cytokines in muscle adaptations to exercise and the Janus faced of the use of antioxidant and anti-inflammatory drugs by athletes for optimizing their performance, especially during the periods in which muscle hypertrophy is expected.
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Affiliation(s)
- Maria Carmen Gomez-Cabrera
- Department of Physiology, Fundacion Investigacion Hospital Clinico Universitario/INCLIVA, University of Valencia, València 46010, Spain.
| | - Jose Viña
- Department of Physiology, Fundacion Investigacion Hospital Clinico Universitario/INCLIVA, University of Valencia, València 46010, Spain.
| | - Li Li Ji
- Laboratory of Physiological Hygiene and Exercise Science, School of Kinesiology, University of Minnesota, 1900 University Avenue, Minneapolis, MN 55455, USA.
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Gois PHF, Canale D, Volpini RA, Ferreira D, Veras MM, Andrade-Oliveira V, Câmara NOS, Shimizu MHM, Seguro AC. Allopurinol attenuates rhabdomyolysis-associated acute kidney injury: Renal and muscular protection. Free Radic Biol Med 2016; 101:176-189. [PMID: 27769920 DOI: 10.1016/j.freeradbiomed.2016.10.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 09/16/2016] [Accepted: 10/16/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Acute kidney injury (AKI) is the most severe complication of rhabdomyolysis. Allopurinol (Allo), a xanthine oxidase inhibitor, has been in the spotlight in the last decade due to new therapeutic applications related to its potent antioxidant effect. The aim of this study was to evaluate the efficacy of Allo in the prevention and treatment of rhabdomyolysis-associated AKI. METHODS Male Wistar rats were divided into five groups: saline control group; prophylactic Allo (300mg/L of drinking water, 7 days); glycerol (50%, 5ml/kg, IM); prophylactic Allo + glycerol; and therapeutic Allo (50mg/Kg, IV, 30min after glycerol injection) + glycerol. RESULTS Glycerol-injected rats showed markedly reduced glomerular filtration rate associated with renal vasoconstriction, renal tubular damage, increased oxidative stress, apoptosis and inflammation. Allo ameliorated all these alterations. We found 8-isoprostane-PGF2a (F2-IsoP) as a main factor involved in the oxidative stress-mediated renal vasoconstriction following rhabdomyolysis. Allo reduced F2-IsoP renal expression and restored renal blood flow. Allo also reduced oxidative stress in the damaged muscle, attenuated muscle lesion/inflammation and accelerated muscular recovery. Moreover, we showed new insights into the pathogenesis of rhabdomyolysis-associated AKI, whereas Allo treatment reduced renal inflammation by decreasing renal tissue uric acid levels and consequently inhibiting the inflammasome cascade. CONCLUSIONS Allo treatment attenuates renal dysfunction in a model of rhabdomyolysis-associated AKI by reducing oxidative stress (systemic, renal and muscular), apoptosis and inflammation. This may represent a new therapeutic approach for rhabdomyolysis-associated AKI - a new use for an old and widely available medication.
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Affiliation(s)
- Pedro H F Gois
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil.
| | - Daniele Canale
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Rildo A Volpini
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Daniela Ferreira
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Mariana M Veras
- Laboratory of Medical Research - LIM05, Department of Pathology, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Vinicius Andrade-Oliveira
- Laboratory of Transplantation Immunobiology, Department of Immunology, Institute of Biomedical Sciences IV, University of São Paulo, São Paulo, Brazil
| | - Niels O S Câmara
- Laboratory of Transplantation Immunobiology, Department of Immunology, Institute of Biomedical Sciences IV, University of São Paulo, São Paulo, Brazil
| | - Maria H M Shimizu
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Antonio C Seguro
- Laboratory of Medical Research - LIM12, Nephrology Department, University of São Paulo School of Medicine, São Paulo, Brazil
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Voermans NC, Snoeck M, Jungbluth H. RYR1-related rhabdomyolysis: A common but probably underdiagnosed manifestation of skeletal muscle ryanodine receptor dysfunction. Rev Neurol (Paris) 2016; 172:546-558. [PMID: 27663056 DOI: 10.1016/j.neurol.2016.07.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 07/29/2016] [Indexed: 01/04/2023]
Abstract
Mutations in the skeletal muscle ryanodine receptor (RYR1) gene are associated with a wide spectrum of inherited myopathies presenting throughout life. Malignant hyperthermia susceptibility (MHS)-related RYR1 mutations have emerged as a common cause of exertional rhabdomyolysis, accounting for up to 30% of rhabdomyolysis episodes in otherwise healthy individuals. Common triggers are exercise and heat and, less frequently, viral infections, alcohol and drugs. Most subjects are normally strong and have no personal or family history of malignant hyperthermia. Heat intolerance and cold-induced muscle stiffness may be a feature. Recognition of this (probably not uncommon) rhabdomyolysis cause is vital for effective counselling, to identify potentially malignant hyperthermia-susceptible individuals and to adapt training regimes. Studies in various animal models provide insights regarding possible pathophysiological mechanisms and offer therapeutic perspectives.
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Affiliation(s)
- N C Voermans
- Department of Neurology, Radboud University Medical Centre, R. Postlaan 4 (route 935), P.O. Box 9101, 6500 Nijmegen (935), The Netherlands.
| | - M Snoeck
- Department of Anaesthesia, Canisius-Wilhelmina Hospital, Nijmegen, The Netherlands
| | - H Jungbluth
- Department of Paediatric Neurology, Neuromuscular Service, Evelina Children's Hospital, Guy's & St Thomas' NHS Foundation Trust, London, UK; Randall Division of Cell and Molecular Biophysics, Muscle Signalling Section, London, UK; Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, London, UK
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Morales-Alamo D, Calbet JAL. AMPK signaling in skeletal muscle during exercise: Role of reactive oxygen and nitrogen species. Free Radic Biol Med 2016; 98:68-77. [PMID: 26804254 DOI: 10.1016/j.freeradbiomed.2016.01.012] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Revised: 01/15/2016] [Accepted: 01/18/2016] [Indexed: 12/17/2022]
Abstract
Reactive oxygen and nitrogen species (RONS) are generated during exercise depending on intensity, duration and training status. A greater amount of RONS is released during repeated high-intensity sprint exercise and when the exercise is performed in hypoxia. By activating adenosine monophosphate-activated kinase (AMPK), RONS play a critical role in the regulation of muscle metabolism but also in the adaptive responses to exercise training. RONS may activate AMPK by direct an indirect mechanisms. Directly, RONS may activate or deactivate AMPK by modifying RONS-sensitive residues of the AMPK-α subunit. Indirectly, RONS may activate AMPK by reducing mitochondrial ATP synthesis, leading to an increased AMP:ATP ratio and subsequent Thr(172)-AMPK phosphorylation by the two main AMPK kinases: LKB1 and CaMKKβ. In presence of RONS the rate of Thr(172)-AMPK dephosphorylation is reduced. RONS may activate LKB1 through Sestrin2 and SIRT1 (NAD(+)/NADH.H(+)-dependent deacetylase). RONS may also activate CaMKKβ by direct modification of RONS sensitive motifs and, indirectly, by activating the ryanodine receptor (Ryr) to release Ca(2+). Both too high (hypoxia) and too low (ingestion of antioxidants) RONS levels may lead to Ser(485)-AMPKα1/Ser(491)-AMPKα2 phosphorylation causing inhibition of Thr(172)-AMPKα phosphorylation. Exercise training increases muscle antioxidant capacity. When the same high-intensity training is applied to arm and leg muscles, arm muscles show signs of increased oxidative stress and reduced mitochondrial biogenesis, which may be explained by differences in RONS-sensing mechanisms and basal antioxidant capacities between arm and leg muscles. Efficient adaptation to exercise training requires optimal exposure to pulses of RONS. Inappropriate training stimulus may lead to excessive RONS formation, oxidative inactivation of AMPK and reduced adaptation or even maladaptation. Theoretically, exercise programs should be designed taking into account the intrinsic properties of different skeletal muscles, the specific RONS induction and the subsequent signaling responses.
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Affiliation(s)
- David Morales-Alamo
- Department of Physical Education, University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, Las Palmas de Gran Canaria, Canary Island, Spain; Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, Las Palmas de Gran Canaria, Canary Island, Spain.
| | - Jose A L Calbet
- Department of Physical Education, University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, Las Palmas de Gran Canaria, Canary Island, Spain; Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, Las Palmas de Gran Canaria, Canary Island, Spain
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Chen G, Jia P. Allopurinol decreases serum uric acid level and intestinal glucose transporter-5 expression in rats with fructose-induced hyperuricemia. Pharmacol Rep 2016; 68:782-6. [PMID: 27258609 DOI: 10.1016/j.pharep.2016.04.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 04/20/2016] [Accepted: 04/23/2016] [Indexed: 01/21/2023]
Abstract
BACKGROUND High fructose consumption is considered to be related to the increasing prevalence of hyperuricemia (HUA). Glucose transporters (GLUT) 2 and 5 are crucial for fructose absorption and transporter. Effects of anti-HUA drugs, allopurinol (API) and benzbromarone (BBR), on expressions of GLUT5 and GLUT2 are not evaluated. METHOD Wistar rats were given 10% fructose in drinking water for 60 days to induce HUA, and 5mg/kg API and 10mg/kg BBR were intragastricly treated for 30 days. Serum level of uric acid and xanthine oxidase (XOD) activity in liver were determined. Expressions of GLUT2 and GLUT5 in intestine were analyzed by immunohistochemistry staining assay and Western blot assay. RESULTS Treatment with API or BBR significantly decreased the serum level of uric acid in HUA rats induced by fructose. Meanwhile, API treatment significantly reduced the XOD activity in liver and GLUT5 expression in intestine. However, BBR treatment did not show inhibitory effects on hepatic XOD activity and intestinal GLUT5 expression. In addition, treatment with API or BBR did not show any effect on GLUT2 expression in intestine. CONCLUSION API decreases serum level of uric acid in fructose-induced HUA rats. The mechanisms are associated with suppressing XOD activity in liver to reduce uric acid production, and inhibiting GLUT5 expression in intestine to reduce fructose absorption.
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Affiliation(s)
- Gang Chen
- Chongqing Key Laboratory of Nature Medicine Research, College of Environment and Resources, Chongqing Technology and Business University, Chongqing, China; Chongqing Key Lab of Catalysis and Functional Organic Molecules, College of Environment and Resource, Chongqing Technology and Business University, Chongqing, China.
| | - Ping Jia
- Department of Combination of Chinese and Western Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Active paraplegics are protected against exercise-induced oxidative damage through the induction of antioxidant enzymes. Spinal Cord 2016; 54:830-837. [PMID: 26882488 DOI: 10.1038/sc.2016.5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 11/12/2015] [Accepted: 12/13/2015] [Indexed: 12/24/2022]
Abstract
STUDY DESIGN Experimental study. OBJECTIVES Exercise improves functional capacity in spinal cord injury (SCI). However, exhaustive exercise, especially when sporadic, is linked to the production of reactive oxygen species that may have a detrimental effect on SCI. We aimed to study the effect of a single bout of exhaustive exercise on systemic oxidative stress parameters and on the expression of antioxidant enzymes in individuals with paraplegia. SETTING The study was conducted in the Physical Therapy department and the Physical Education and Sports department of the University of Valencia. METHODS Sixteen paraplegic subjects were submitted to a graded exercise test (GET) until volitional exhaustion. They were divided into active or non-active groups. Blood samples were drawn immediately, 1 and 2 h after the GET. We determined plasma malondialdehyde (MDA) and protein carbonylation as markers of oxidative damage. Antioxidant gene expression (catalase and glutathione peroxidase-GPx) was determined in peripheral blood mononuclear cells. RESULTS We found a significant increase in plasma MDA and protein carbonyls immediately after the GET (P<0.05). This increment correlated significantly with the lactate levels. Active paraplegics showed lower levels of exercise-induced oxidative damage (P<0.05) and higher exercise-induced catalase (P<0.01) and GPx (P<0.05) gene expression after the GET. CONCLUSIONS These results suggest that exercise training may be useful in SCI patients to develop systemic antioxidant defenses that may protect them against exercise-induced oxidative damage.
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Tscholl PM, Vaso M, Weber A, Dvorak J. High prevalence of medication use in professional football tournaments including the World Cups between 2002 and 2014: a narrative review with a focus on NSAIDs. Br J Sports Med 2016; 49:580-2. [PMID: 25878074 PMCID: PMC4413681 DOI: 10.1136/bjsports-2015-094784] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
The use of medication in international football has been monitored since the 2002 FIFA World Cup. Team physicians were asked to provide information on prescribed medication 72 h prior to each match for every player. 69% of adult male players reported using medication, with more than half the players using non-steroidal anti-inflammatory drugs (NSAIDs). Up to one-third of all players used NSAIDs prior to every match, regardless of whether they took the field or not. The mean intake of medication was significantly higher during the FIFA Women's World Cup (0.85 vs 0.77 substances per player and per match in men, p<0.001), whereas the use of NSAIDs was similar to that for men. In the Under-20 and Under-17 male competitions, the use of medication was lower as 60% of players used some kind of medication and 43% of the players used NSAIDs during the tournaments. Despite the potential side effects of medication, especially of NSAIDs in the recovery process after a sports activity, there is no evidence of decreasing intake. The reported incidence is alarming, and moreover is most probably underestimated, since self-medication by the players or treatment already prescribed by club physicians is not included in the published reports. Future studies should focus on the daily dosage, time of treatment and especially the medical indication for painkilling agents to better understand the underlying factors.
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Affiliation(s)
- Philippe M Tscholl
- FIFA-Medical Assessment and Research Center (F-MARC), Schulthess Clinic, Zürich, Switzerland Division of Orthopedics and Trauma Surgery, Geneva University Hospital, Switzerland
| | - Martin Vaso
- Fédération Internationale de Football Association, Zürich, Switzerland
| | - Alexis Weber
- Fédération Internationale de Football Association, Zürich, Switzerland
| | - Jiri Dvorak
- FIFA-Medical Assessment and Research Center (F-MARC), Schulthess Clinic, Zürich, Switzerland Fédération Internationale de Football Association, Zürich, Switzerland
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29
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Sanchis-Gomar F, Alis R, Rampinini E, Bosio A, Romagnoli M, Lombardi G, Lippi G. Hs-cTnT levels in professional soccer players throughout a season: No evidence of sustained cardiac damage. Int J Cardiol 2015; 197:292-3. [PMID: 26142978 DOI: 10.1016/j.ijcard.2015.06.104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 06/26/2015] [Indexed: 11/19/2022]
Affiliation(s)
| | - Rafael Alis
- Research Institute "Dr. Viña Giner", Molecular and Mitochondrial Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain; School of Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain
| | | | - Andrea Bosio
- Human Performance Laboratory, MAPEI Sport Research Center, Italy
| | - Marco Romagnoli
- Research Institute of the Hospital 12 de Octubre ("i+12"), Madrid, Spain; Department of Physical Education and Sports, University of Valencia, Valencia, Spain
| | - Giovanni Lombardi
- Laboratory of Experimental Biochemistry & Molecular Biology, I.R.C.C.S. Istituto Ortopedico Galeazzi, Milano, Italy
| | - Giuseppe Lippi
- Laboratory of Clinical Chemistry and Hematology, Academic Hospital of Parma, Parma, Italy
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Gomez-Cabrera MC, Salvador-Pascual A, Cabo H, Ferrando B, Viña J. Redox modulation of mitochondriogenesis in exercise. Does antioxidant supplementation blunt the benefits of exercise training? Free Radic Biol Med 2015; 86:37-46. [PMID: 25889822 DOI: 10.1016/j.freeradbiomed.2015.04.006] [Citation(s) in RCA: 130] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 04/01/2015] [Accepted: 04/02/2015] [Indexed: 11/30/2022]
Abstract
Physical exercise increases the cellular production of reactive oxygen species (ROS) in muscle, liver, and other organs. This is unlikely due to increased mitochondrial production but rather to extramitochondrial sources such as NADPH oxidase or xanthine oxidase. We have reported a xanthine oxidase-mediated increase in ROS production in many experimental models from isolated cells to humans. Originally, ROS were considered as detrimental and thus as a likely cause of cell damage associated with exhaustion. In the past decade, evidence showing that ROS act as signals has been gathered and thus the idea that antioxidant supplementation in exercise is always recommendable has proved incorrect. In fact, we proposed that exercise itself can be considered as an antioxidant because training increases the expression of classical antioxidant enzymes such as superoxide dismutase and glutathione peroxidase and, in general, lowering the endogenous antioxidant enzymes by administration of antioxidant supplements may not be a good strategy when training. Antioxidant enzymes are not the only ones to be activated by training. Mitochondriogenesis is an important process activated in exercise. Many redox-sensitive enzymes are involved in this process. Important signaling molecules like MAP kinases, NF-κB, PGC-1α, p53, heat shock factor, and others modulate muscle adaptation to exercise. Interventions aimed at modifying the production of ROS in exercise must be performed with care as they may be detrimental in that they may lower useful adaptations to exercise.
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Affiliation(s)
- Mari Carmen Gomez-Cabrera
- Department of Physiology, University of Valencia, Investigación Hospital Clínico Universitario/INCLIVA, Spain
| | - Andrea Salvador-Pascual
- Department of Physiology, University of Valencia, Investigación Hospital Clínico Universitario/INCLIVA, Spain
| | - Helena Cabo
- Department of Physiology, University of Valencia, Investigación Hospital Clínico Universitario/INCLIVA, Spain
| | - Beatriz Ferrando
- Department of Physiology, University of Valencia, Investigación Hospital Clínico Universitario/INCLIVA, Spain
| | - Jose Viña
- Department of Physiology, University of Valencia, Investigación Hospital Clínico Universitario/INCLIVA, Spain.
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Nogales-Gadea G, Santalla A, Brull A, de Luna N, Lucia A, Pinós T. The pathogenomics of McArdle disease--genes, enzymes, models, and therapeutic implications. J Inherit Metab Dis 2015; 38:221-30. [PMID: 25053163 DOI: 10.1007/s10545-014-9743-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 06/17/2014] [Accepted: 06/25/2014] [Indexed: 11/24/2022]
Abstract
Numerous biomedical advances have been made since Carl and Gerty Cori discovered the enzyme phosphorylase in the 1940s and the Scottish physician Brian McArdle reported in 1951 a previously 'undescribed disorder characterized by a gross failure of the breakdown in muscle of glycogen'. Today we know that this disorder, commonly known as 'McArdle disease', is caused by inherited deficiency of the muscle isoform of glycogen phosphorylase (GP). Here we review the main aspects of the 'pathogenomics' of this disease including, among others: the spectrum of mutations in the gene (PYGM) encoding muscle GP; the interplay between the different tissue GP isoforms in cellular cultures and in patients; what can we learn from naturally occurring and recently laboratory-generated animal models of the disease; and potential therapies.
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Affiliation(s)
- Gisela Nogales-Gadea
- Neuromuscular Diseases Unit, Institut de Recerca del Hospital de la Santa Creu i Sant Pau, Universitat Autónoma de Barcelona, Av. Maria Claret 167, 08025, Barcelona, Spain,
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Sanchis-Gomar F, Pareja-Galeano H, Perez-Quilis C, Santos-Lozano A, Fiuza-Luces C, Garatachea N, Lippi G, Lucia A. Effects of allopurinol on exercise-induced muscle damage: new therapeutic approaches? Cell Stress Chaperones 2015; 20:3-13. [PMID: 25181966 PMCID: PMC4255256 DOI: 10.1007/s12192-014-0543-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Revised: 08/22/2014] [Accepted: 08/25/2014] [Indexed: 02/07/2023] Open
Abstract
Intensive muscular activity can trigger oxidative stress, and free radicals may hence be generated by working skeletal muscle. The role of the enzyme xanthine oxidase as a generating source of free radicals is well documented and therefore is involved in the skeletal muscle damage as well as in the potential transient cardiovascular damage induced by high-intensity physical exercise. Allopurinol is a purine hypoxanthine-based structural analog and a well-known inhibitor of xanthine oxidase. The administration of the xanthine oxidase inhibitor allopurinol may hence be regarded as promising, safe, and an economic strategy to decrease transient skeletal muscle damage (as well as heart damage, when occurring) in top-level athletes when administered before a competition or a particularly high-intensity training session. Although continuous administration of allopurinol in high-level athletes is not recommended due to its possible role in hampering training-induced adaptations, the drug might be useful in non-athletes. Exertional rhabdomyolysis is the most common form of rhabdomyolysis and affects individuals participating in a type of intense exercise to which they are not accustomed. This condition can cause exercise-related myoglobinuria, thus increasing the risk of acute renal failure and is also associated with sickle cell trait. In this manuscript, we have reviewed the recent evidence about the effects of allopurinol on exercise-induced muscle damage. More research is needed to determine whether allopurinol may be useful for preventing not only exertional rhabdomyolysis and acute renal damage but also skeletal muscle wasting in critical illness as well as in immobilized, bedridden, sarcopenic or cachectic patients.
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Affiliation(s)
- F Sanchis-Gomar
- Department of Physiology, University of Valencia, Av. Blasco Ibañez, 15, Valencia, 46010, Spain,
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