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https://www.readbyqxmd.com/read/29765494/the-oxidant-antioxidant-equilibrium-and-inflammatory-process-indicators-after-an-exercise-test-on-the-alterg-antigravity-treadmill-in-young-amateur-female-athletes
#1
Łukasz Sielski, Paweł Sutkowy, Agnieszka Skopowska, Katarzyna Pawlak-Osińska, Zofia Augustyńska, Katarzyna Hewelt, Radosław Drapała, Alina Woźniak
The AlterG antigravity treadmill allows running with a considerable weight reduction. Physical exercise practiced on this treadmill is an innovative method supporting the treatment of injuries in sports and rehabilitation of patients. The aim of the study was to investigate the effect of a 30 min run on the AlterG treadmill with 80% body weight reduction comparing the effect to the similar effort on the classic treadmill on the redox equilibrium and the activity of selected lysosomal enzymes and a serine protease inhibitor in the blood of amateur minor female volleyball players...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29743982/effects-of-nordic-walking-on-oxidant-and-antioxidant-status-levels-of-calcidiol-and-proinflammatory-cytokines-in-middle-aged-women
#2
Wanda Pilch, Łukasz Tota, Anna Piotrowska, Ewa Śliwicka, Olga Czerwińska-Ledwig, Roxana Zuziak, Łucja Pilaczyńska-Szcześniak
Objectives: Nordic walking (NW) is relatively new and popular type of physical exercise with less studied effects than other sports activities. The aim of the study was to analyze possible changes in somatic indices, oxidant and antioxidant status, interleukins, and calcidiol levels in middle-aged women after a 12-week NW training program. Study Design: In this study, we examined the effects of NW training on selected measures and changes in body weight, fat mass, and calcidiol levels...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29734881/effect-of-ubiquinol-supplementation-on-biochemical-and-oxidative-stress-indexes-after-intense-exercise-in-young-athletes
#3
Patrick Orlando, Sonia Silvestri, Roberta Galeazzi, Roberto Antonicelli, Fabio Marcheggiani, Ilenia Cirilli, Tiziana Bacchetti, Luca Tiano
OBJECTIVES: Physical exercise significantly impacts the biochemistry of the organism. Ubiquinone is a key component of the mitochondrial respiratory chain and ubiquinol, its reduced and active form, is an emerging molecule in sport nutrition. The aim of this study was to evaluate the effect of ubiquinol supplementation on biochemical and oxidative stress indexes after an intense bout of exercise. METHODS: 21 male young athletes (26 + 5 years of age) were randomized in two groups according to a double blind cross-over study, either supplemented with ubiquinol (200 mg/day) or placebo for 1 month...
December 2018: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/29710835/eicosahexanoic-acid-epa-and-docosahexanoic-acid-dha-in-muscle-damage-and-function
#4
REVIEW
Eisuke Ochi, Yosuke Tsuchiya
Nutritional supplementation not only helps in improving and maintaining performance in sports and exercise, but also contributes in reducing exercise fatigue and in recovery from exhaustion. Fish oil contains large amounts of omega-3 fatty acids, eicosapentaenoic acid (EPA; 20:5 n-3) and docosahexaenoic acid (DHA; 22:6 n-3). It is widely known that omega-3 fatty acids are effective for improving cardiac function, depression, cognitive function, and blood as well as lowering blood pressure. In the relationship between omega-3 fatty acids and exercise performance, previous studies have been predicted improved endurance performance, antioxidant and anti-inflammatory responses, and effectivity against delayed-onset muscle soreness...
April 29, 2018: Nutrients
https://www.readbyqxmd.com/read/29555069/effects-of-%C3%AE-alanine-supplementation-on-carnosine-elevation-and-physiological-performance
#5
Jay R Hoffman, Alyssa Varanoske, Jeffrey R Stout
β-Alanine is one of the more popular sport supplements used by strength/power athletes today. The popularity of β-alanine stems from its ability to enhance intracellular muscle-buffering capacity thereby delaying fatigue during high-intensity exercise by increasing muscle carnosine content. Recent evidence also suggests that elevated carnosine levels may enhance cognitive performance and increase resiliency to stress. These benefits are thought to result from carnosine's potential role as an antioxidant. This review will discuss these new findings including recent investigations examining β-alanine supplementation and increased resiliency to posttraumatic stress and mild traumatic brain injury...
2018: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/29410606/effects-of-lemon-verbena-extract-recoverben%C3%A2-supplementation-on-muscle-strength-and-recovery-after-exhaustive-exercise-a-randomized-placebo-controlled-trial
#6
Sybille Buchwald-Werner, Ioanna Naka, Manfred Wilhelm, Elivra Schütz, Christiane Schoen, Claudia Reule
Background: Exhaustive exercise causes muscle damage accompanied by oxidative stress and inflammation leading to muscle fatigue and muscle soreness. Lemon verbena leaves, commonly used as tea and refreshing beverage, demonstrated antioxidant and anti-inflammatory properties. The aim of this study was to investigate the effects of a proprietary lemon verbena extract (Recoverben®) on muscle strength and recovery after exhaustive exercise in comparison to a placebo product. Methods: The study was performed as a randomized, placebo-controlled, double-blind study with parallel design...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29394290/impact-of-the-24-h-ultramarathon-race-on-homocysteine-oxidized-low-density-lipoprotein-and-paraoxonase-1-levels-in-professional-runners
#7
Serena Benedetti, Simona Catalani, Federica Peda, Francesca Luchetti, Roberto Citarella, Serafina Battistelli
The impact of the 24-h ultramarathon race on homocysteine (Hcy) and oxidized low-density lipoprotein (oxLDL) levels, two well-recognized cardiovascular risk factors, has not been deeply investigated. Similarly, no information exists on paraoxonase 1 (PON1), an antioxidant enzyme associated with high-density lipoproteins, which may detoxify oxLDL and Hcy-thiolactone, hence preventing their proatherogenic action. Taking this into account, a competitive 24-h ultramarathon race was organized in Reggio-Emilia (Italy) recruiting professional runners (n = 14) from the Italian Ultramarathon and Trail Association...
2018: PloS One
https://www.readbyqxmd.com/read/29392091/chronic-remote-ischemic-conditioning-may-mimic-regular-exercise-perspective-from-clinical-studies
#8
Wenbo Zhao, Sijie Li, Changhong Ren, Ran Meng, Xunming Ji
Chronic remote ischemic conditioning (RIC), particularly long-term repeated RIC, has been applied in clinical trials with the expectation that it could play its protective roles for protracted periods. In sports medicine, chronic RIC has also been demonstrated to improve exercise performance, akin to improvements seen with regular exercise training. Therefore, chronic RIC may mimic regular exercise, and they may have similar underlying mechanisms. In this study, we explored the common underlying mechanisms of chronic RIC and physical exercise in protecting multiple organs and benefiting various populations, the advantages of chronic RIC, and the challenges for its popularization...
February 2018: Aging and Disease
https://www.readbyqxmd.com/read/29337720/update-on-the-role-of-actovegin-in-musculoskeletal-medicine-a-review-of-the-past-10-years
#9
James Brock, David Golding, Paul M Smith, Len Nokes, Alvin Kwan, Paul Y F Lee
BACKGROUND: Actovegin is a biological drug with a controversial history of use in the treatment of sports injuries during the past 60 years. Particular concerns have been raised about its ergogenic potential to enhance performance, but some of these have been based on little more than anecdote. OBJECTIVES: In this article, we review the most recent scientific evidence to determine the clinical efficacy, safety profile, and legal status of Actovegin. METHODS: We considered all studies directly commenting on experience with Actovegin use as the primary intervention within the past 10 years...
January 15, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29313427/melatonin-therapy-for-blunt-trauma-and-strenuous-exercise-a-mechanism-involving-cytokines-nf%C3%AE%C2%BAb-akt-maf-bx-and-murf-1
#10
Gerald J Maarman, Russel J Reiter
Muscle injury occurs due to trauma, strenuous exercise or sports activities; most people affected are athletes. Ineffectively treated muscle injury can negatively affect sports careers and quality of life after retirement from sports. Reports have indicated that the current therapeutic management of muscle injury, particularly anti-inflammatory drugs, are not necessarily effective. Therefore, better therapies are required. Accumulating evidence has demonstrated melatonin's potent antioxidant and anti-inflammatory actions against muscle pathology in sarcopenia or atrophy in systemic disease...
January 9, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29278023/effect-of-%C3%AE-tocopherol-megadoses-on-hematologic-parameters-and-antioxidant-capacity-of-rats-in-an-ultraendurance-probe
#11
V J Clemente-Suárez, J Mielgo-Ayuso, J L Quiles, A Varela-Lopez, P Aranda
This study was aimed to analyze the effect of two different megadoses of α-tocopherol (vit E) in the antioxidant activity and red and white blood series of Wistar rats after a 180-min ultraendurance probe. Three groups of 10 rats were analyzed; VEAG: acute administration of a megadoses of 5,000 IU/kg of vit E the day before the probe; VECG: chronic administration of 1,000 IU/kg/day of vit E for 6 days before the probe; CG: placebo administration. VEAG presented white cells, red blood cells, hematocrit, hemoglobin values significantly higher than CG and VECG (p < 0...
December 1, 2017: Physiology International
https://www.readbyqxmd.com/read/29182431/impact-induced-muscle-damage-and-contact-sport-aetiology-effects-on-neuromuscular-function-and-recovery-and-the-modulating-effects-of-adaptation-and-recovery-strategies
#12
Mitchell Naughton, Joanna Miller, Gary J Slater
Athletes involved in contact-sports are habitually exposed to skeletal muscle damage as part of their training and performance environments. This often leads to exercise-induced muscle damage (EIMD) resulting from repeated eccentric and/or high-intensity exercise, and impact-induced muscle damage (IIMD) resulting from collisions with opponents and the playing surface. Whilst EIMD has been an area of extensive investigation, IIMD has received comparatively little research, with the magnitude and timeframe of alterations following IIMD not presently well understood...
November 28, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29126698/hybrid-drug-combination-combination-of-ferulic-acid-and-metformin-as-anti-diabetic-therapy
#13
REVIEW
Rakesh Nankar, P K Prabhakar, Mukesh Doble
BACKGROUND AND PURPOSE: Ferulic acid, an anti-oxidant phytochemical present in several dietary components, is known to produce wide range of pharmacological effects. It is approved for use in food industry as a preservative and in sports food. Previous reports from our lab have shown synergistic interaction of ferulic acid with metformin in cell lines and diabetic rats. The purpose of this review is to compile information about anti-diabetic activity of ferulic acid in in vitro and in vivo models with special emphasis on activity of ferulic acid when combined with metformin...
December 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29072036/oxidative-stress-lipid-peroxidation-indexes-and-antioxidant-vitamins-in-long-and-middle-distance-athletes-during-a-sport-season
#14
Diego Muñoz, Gema Barrientos, Javier Alves, Francisco J Grijota, Maria C Robles, Marcos Maynar
BACKGROUND: The main objective of this study was to observe any changes and possible adaptations produced in MDA and antioxidants vitamins on plasma and erythrocytes in endurance male athletes among an athletic season (12 months). METHODS: Twenty three long and middle distance male athletes participated in this study. Basal MDA on plasma and antioxidant vitamins in plasma and erythrocytes were measured at four moments along the season (0, 3, 6 and 9 months). Fatty acid concentrations in erythrocytes were obtained to determine lipid peroxidation indexes...
October 24, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28936200/the-fungus-aspergillus-aculeatus-enhances-salt-stress-tolerance-metabolite-accumulation-and-improves-forage-quality-in-perennial-ryegrass
#15
Xiaoning Li, Shijuan Han, Guangyang Wang, Xiaoying Liu, Erick Amombo, Yan Xie, Jinmin Fu
Perennial ryegrass (Lolium perenne) is an important forage grass with high yield and superior quality in temperate regions which is widely used in parks, sport field, and other places. However, perennial ryegrass is moderately tolerant to salinity stress compared to other commercial cultivars and salt stress reduces their growth and productivity. Aspergillus aculeatus has been documented to participate in alleviating damage induced by salinity. Therefore, the objective of this study was to investigate the mechanisms underlying A...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28702900/selected-in-season-nutritional-strategies-to-enhance-recovery-for-team-sport-athletes-a-practical-overview
#16
REVIEW
Lisa E Heaton, Jon K Davis, Eric S Rawson, Ryan P Nuccio, Oliver C Witard, Kimberly W Stein, Keith Baar, James M Carter, Lindsay B Baker
Team sport athletes face a variety of nutritional challenges related to recovery during the competitive season. The purpose of this article is to review nutrition strategies related to muscle regeneration, glycogen restoration, fatigue, physical and immune health, and preparation for subsequent training bouts and competitions. Given the limited opportunities to recover between training bouts and games throughout the competitive season, athletes must be deliberate in their recovery strategy. Foundational components of recovery related to protein, carbohydrates, and fluid have been extensively reviewed and accepted...
November 2017: Sports Medicine
https://www.readbyqxmd.com/read/28656110/erythrocyte-omega-3-fatty-acid-content-in-elite-athletes-in-response-to-omega-3-supplementation-a-dose-response-pilot-study
#17
Franchek Drobnic, Félix Rueda, Victoria Pons, Montserrat Banquells, Begoña Cordobilla, Joan Carles Domingo
INTRODUCTION: Supplementation of Omega-3 fatty acids (n-3FA) in athletes is related to the anti-inflammatory and/or antioxidant effect and consequently its action on all the processes of tissue restoration and adaptation to physical stress. OBJECTIVE: Evaluate the Omega-3 Index (O3Ix) response, in red blood cells, to supplemental EPA + DHA intake in the form of high purity and stable composition gums (G), in elite summer athletes. METHOD: Twenty-four summer sport athletes of both sexes, pertaining to the Olympic Training Center in Spain, were randomized to two groups (2G = 760 or 3G = 1140 mg of n-3 FA in Omegafort OKids, Ferrer Intl...
2017: Journal of Lipids
https://www.readbyqxmd.com/read/28631196/erratum-to-peroxiredoxins-and-sports-new-insights-on-the-antioxidative-defense
#18
Christian Brinkmann, Klara Brixius
No abstract text is available yet for this article.
September 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/28585209/influence-of-antioxidants-on-leptin-metabolism-and-its-role-in-the-pathogenesis-of-obesity
#19
REVIEW
Harald Mangge, Christian Ciardi, Kathrin Becker, Barbara Strasser, Dietmar Fuchs, Johanna M Gostner
Obesity is associated with low-grade inflammation. Leptin, a hormone made by fat cells regulates appetite and hunger and thus food intake behavior. Interestingly, , food preservatives like sodium sulfite and sodium benzoate and also natural colorant and spice compounds such as curcumin were found to decrease the release of leptin in murine 3T3-L1 adipocytes, after co-incubation with LPS, which was added to mimic the pro-inflammatory status in obesity. Several of these compounds are well known food antioxidants...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28475656/nmr-based-metabolomic-analysis-for-the-effects-of-creatine-supplementation-on-mouse-myoblast-cell-line-c2c12
#20
Wenqi Xu, Donghai Lin, Caihua Huang
Creatine (Cr) supplementation has drawn much attention from researchers owing to its widespread efficacy in sports, and more recently, in therapeutic fields. However, the underlying molecular mechanisms remain elusive. Here, we performed nuclear magnetic resonance-based metabolomic analysis to address the metabolic profile of aqueous extracts from the mouse myoblast cell line C2C12 exposed to 2 mM Cr for 24 h (the Cr-treated group). Results showed that Cr supplementation facilitated the proliferation of C2C12 myoblasts...
July 1, 2017: Acta Biochimica et Biophysica Sinica
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