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Creatine supplementation

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https://www.readbyqxmd.com/read/29160161/serum-from-differently-exercised-subjects-induces-myogenic-differentiation-in-lhcn-m2-human-myoblasts
#1
D Vitucci, E Imperlini, R Arcone, A Alfieri, A Canciello, L Russomando, D Martone, A Cola, G Labruna, S Orrù, D Tafuri, A Mancini, P Buono
Myogenesis is the formation of muscle tissue from muscle precursor cells. Physical exercise induces satellite cell activation in muscle. Currently, C2C12 murine myoblast cells are used to study myogenic differentiation. Herein, we evaluated whether human LHCN-M2 myoblasts can differentiate into mature myotubes and express early (myotube formation, creatine kinase activity and myogenin) and late (MyHC-β) muscle-specific markers when cultured in differentiation medium (DM) for 2, 4 and 7 days. We demonstrate that treatment of LHCN-M2 cells with DM supplemented with 0...
November 21, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29152248/nutritional-management-of-search-and-rescue-dogs
#2
G Vassalotti, N Musco, P Lombardi, S Calabrò, R Tudisco, V Mastellone, R Grazioli, S Bianchi, M I Cutrignelli
Dogs used for search and rescue (SAR) may experience continuous micro-traumas that predispose them to skeletal disorders. The aim of the present study was to evaluate the effect of diet on osteo-articular apparatus in healthy SAR dogs. A total of sixteen SAR dogs were divided into two groups (low supplementation (LS) and high supplementation (HS)) and were fed for 3 months with two experimental diets, characterised by the same protein and energy density, but different in n-3 PUFA (6·2 v. 8·4 % of metabolisable energy), chondroitin sulfate (219·8 v...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/29138605/effect-of-creatine-supplementation-during-resistance-training-on-lean-tissue-mass-and-muscular-strength-in-older-adults-a-meta-analysis
#3
REVIEW
Philip D Chilibeck, Mojtaba Kaviani, Darren G Candow, Gordon A Zello
The loss of muscle mass and strength with aging results in significant functional impairment. Creatine supplementation has been used in combination with resistance training as a strategy for increasing lean tissue mass and muscle strength in older adults, but results across studies are equivocal. We conducted a systematic review and meta-analysis of randomized controlled trials of creatine supplementation during resistance training in older adults with lean tissue mass, chest press strength, and leg press strength as outcomes by searching PubMed and SPORTDiscus databases...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29114510/effect-of-timing-of-whey-protein-supplement-on-muscle-damage-markers-after-eccentric-exercise
#4
Jooyoung Kim, Chulhyun Lee, Joohyung Lee
Whey protein is a nutritional supplement commonly ingested for recovery following exercise. However, the timing when whey protein supplement must be ingested after muscle-damaging exercise is debatable. Therefore, the present study investigated the effects of the timing of supplement ingestion on muscle damage markers after eccentric or muscle-damaging exercise. In total, 32 collegiate male students participated in this study; they were randomly assigned to control group (n=8), before supplement group (n=8), after supplement group (n=8), or before and after supplement group (n=8)...
August 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29106812/whey-protein-hydrolysate-supplementation-accelerates-recovery-from-exercise-induced-muscle-damage-in-females
#5
Meghan A Brown, Emma J Stevenson, Glyn Howatson
A number of different forms of protein and their analogues have been investigated for their efficacy in ameliorating exercise-induced muscle damage (EIMD) and recovery. Preliminary data regarding whey protein hydrolysate (WPH) supplementation are promising. However, its efficacy beyond acute eccentric/resistance exercise bouts or longer-term training programmes are limited and all investigations have been conducted in male or mixed-sex groups. This study sought to elucidate whether the benefits of WPH previously reported can be demonstrated in females following repeated-sprint exercise...
November 6, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29104465/effect-of-coriolus-versicolor-mycelia-extract-on-exercise-performance-and-physical-fatigue-in-mice
#6
Chun-Sheng Ho, Yu-Tang Tung, Woon-Man Kung, Wen-Ching Huang, Wing-Ki Leung, Chi-Chang Huang, Jyh-Horng Wu
In this study, Coriolus versicolor mycelia (CVM) was evaluated the ergogenic and anti-fatigue activities. Male ICR mice were divided into four groups (n = 8/group) to receive vehicle or CVM by oral gavage for 4 weeks at 0, 615, 1230 or 3075 mg/kg/day, which were respectively designated the vehicle, CVM-1X, CVM-2X and CVM-5X groups. Forelimb grip strength, endurance swimming time, and levels of physical fatigue-associated parameters serum lactate, ammonia, glucose and creatine kinase (CK) after physical challenge were performed to evaluate exercise performance and anti-fatigue activity...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29098470/lysine-and-methionine-supplementation-ameliorates-high-inclusion-of-soybean-meal-inducing-intestinal-oxidative-injury-and-digestive-and-antioxidant-capacity-decrease-of-yellow-catfish
#7
Jun Jiang, Shangxiao Xu, Lin Feng, Yang Liu, Weidan Jiang, Pei Wu, Yan Wang, Ye Zhao, Xiaoqiu Zhou
The yellow catfish Pelteobagrus fulvidraco with initial average weight 16.6 ± 0.17 g were fed three extruded diets for 56 days. Fish meal (FM) diet was formulated as the normal control with 380 g FM and 200 g soybean meal (SBM) kg(-1) diet. The SBM diet was prepared with 220 g FM and 360 g SBM kg(-1) diet without Lys or Met supplementation. The SBM supplement (SBMS) diet was similar to SBM diet and supplemented with Lys and Met to ensure their levels similar to FM diet. The results showed fish fed SBM diet had lower percent weight gain and specific growth rate than the other two groups (P < 0...
November 2, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29094044/comparison-between-the-hypolipidemic-activity-of-parsley-and-carob-in-hypercholesterolemic-male-rats
#8
Haddad A El Rabey, Madeha N Al-Seeni, Habibah B Al-Ghamdi
Hypercholesterolemia is commonly associated with obesity that leads to heart diseases and diabetes. The hepatocardioprotective activity of parsley and carob methanol extract was tested in hypercholesterolemic male rats. Twenty-four male albino rats were divided into four groups (n = 6). Group 1 was the negative control group fed with fat rich diet, group 2 (G2) was hypercholesterolemic rats fed with fat rich diet with 2% cholesterol, and group 3 and group 4 (G3 and G4) were hypercholesterolemic rats supplemented with 2% cholesterol and cotreated with 20% w/w parsley seed methanol extract and 20% w/w carob legume methanol extract, respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29091464/effect-of-four-weeks-ingestion-of-tomato-based-carotenoids-on-exercise-induced-inflammation-muscle-damage-and-oxidative-stress-in-endurance-runners
#9
David C Nieman, Courtney L Capps, Christopher R Capps, Zack L Shue, Jennifer E McBride
This double blind, randomized, placebo controlled crossover trial determined if ingestion of a supplement containing a tomato extract with 11 mg lycopene, phytoene, and phytofluene (T-LPP) for 4 weeks would attenuate inflammation, muscle damage, and oxidative stress post-exercise and during recovery from a 2-h running bout that included 30 minutes of -10% downhill running. Study participants ingested the T-LPP supplement or placebo with the evening meal for 4 weeks prior to running 2 h at high intensity. Blood samples and delayed-onset of muscle soreness (DOMS) ratings were taken pre- and post-4-weeks supplementation, and immediately following the 2-h run, and then 1-h-, 24-h-, and 48-h post-run...
November 1, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29077959/performance-and-serum-biochemical-profile-of-japanese-quail-supplemented-with-silymarin-and-contaminated-with-aflatoxin-b1
#10
M I Sakamoto, A E Murakami, A M Fernandes, I C Ospina-Rojas, K C Nunes, A K Hirata
The aim of this study was to evaluate the hepatoprotective effect of silymarin in diets contaminated or not with aflatoxin B1 (AFB1) on the productive performance and serum biochemical profile of Japanese quail (Coturnix coturnix japonica) in the laying phase. A total of 240 12-week-old Japanese quail was used in a completely randomized design in a 3 × 2 factorial scheme (additives x contaminated or not with AFB1 - 1,500 μg/kg), totaling 6 treatments and 5 replicates of 8 birds each. The additives used were silymarin (500 g/ton), adsorbent (1 kg/ton), and a control diet (without additive)...
October 25, 2017: Poultry Science
https://www.readbyqxmd.com/read/29077022/effects-of-creatine-supplementation-on-muscle-strength-and-optimal-individual-post-activation-potentiation-time-of-the-upper-body-in-canoeists
#11
Chia-Chi Wang, Shu-Cheng Lin, Shu-Ching Hsu, Ming-Ta Yang, Kuei-Hui Chan
Creatine supplementation reduces the impact of muscle fatigue on post-activation potentiation (PAP) of the lower body, but its effects on the upper body remain unknown. This study examined the effects of creatine supplementation on muscle strength, explosive power, and optimal individual PAP time of the upper body during a set of complex training bouts in canoeists. Seventeen male high school canoeists performed a bench row for one repetition at maximum strength and conducted complex training bouts to determine the optimal individual timing of PAP and distance of overhead medicine ball throw before and after the supplementation...
October 27, 2017: Nutrients
https://www.readbyqxmd.com/read/29071542/infant-with-hepatomegaly-and-hypoglycemia-a-setting-for-fatty-acid-oxidation-defects
#12
Aathira Ravindranath, Gautham Pai, Anshu Srivastava, Ujjal Poddar, Surender Kumar Yachha
Fatty acid oxidation defects (FAOD) are one of the commonest metabolic liver diseases (MLDs) that can have varied presentations in different age groups. An infant presented with short history of jaundice and irritability, examination showed soft hepatomegaly. Investigations revealed non-ketotic hypoglycemia suggesting FAOD which was later confirmed as carnitine uptake defect with gas chromatography and mass spectrometry and mutation analysis. Patient improved with acute management of metabolic crisis, carnitine supplementation and corn starch therapy with reversal of encephalopathy, reduction in hepatomegaly, maintenance of euglycemia and improvement in liver function tests and creatine phosphokinase on follow up...
October 26, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/29059531/creatine-use-in-sports
#13
Jessica Butts, Bret Jacobs, Matthew Silvis
CONTEXT: The use of creatine as a dietary supplement has become increasingly popular over the past several decades. Despite the popularity of creatine, questions remain with regard to dosing, effects on sports performance, and safety. EVIDENCE ACQUISITION: PubMed was searched for articles published between 1980 and January 2017 using the terms creatine, creatine supplementation, sports performance, and dietary supplements. An additional Google search was performed to capture National Collegiate Athletic Association-specific creatine usage data and US dietary supplement and creatine sales...
October 1, 2017: Sports Health
https://www.readbyqxmd.com/read/29057836/citrulline-malate-does-not-improve-muscle-recovery-after-resistance-exercise-in-untrained-young-adult-men
#14
Douglas K da Silva, Jeferson L Jacinto, Walquiria B de Andrade, Mirela C Roveratti, José M Estoche, Mario C W Balvedi, Douglas B de Oliveira, Rubens A da Silva, Andreo F Aguiar
The effects of citrulline malate (CM) on muscle recovery from resistance exercise remains unknown. We aimed to determine if citrulline malate supplementation improves muscle recovery after a single session of high-intensity resistance exercise (RE) in untrained young adult men. Nine young adult men (24.0 ± 3.3 years) participated in a double-blind crossover study in which they received 6 g of CM and placebo (PL) on two occasions, separated by a seven-day washout period. Each occasion consisted of a single session of high-intensity RE (0 h) and three subsequent fatigue tests sessions (at 24, 48, and 72 h) to assess the time course of muscle recovery...
October 18, 2017: Nutrients
https://www.readbyqxmd.com/read/29053811/effects-of-the-supplemental-chromium-form-on-performance-and-oxidative-stress-in-broilers-exposed-to-heat-stress
#15
N Sahin, A Hayirli, C Orhan, M Tuzcu, F Akdemir, J R Komorowski, K Sahin
This experiment was conducted to investigate effects of the organic complex form of supplemental chromium (Cr) on performance, oxidative stress markers, and serum profile in broilers exposed to heat stress (HS). A total of 1,200 10-day-old boilers (Ross-308) was divided into one of the 6 treatments (2 environmental temperatures x 3 diets with different Cr forms). The birds were kept in temperature-controlled rooms at either 22 ± 2°C 24 h/d (thermoneutral, TN group) or 34 ± 2°C for 8 h/d, 08:00 to 17:00 h, followed by 22°C for 16 h (HS group) and fed either a basal diet (C) or the basal diet supplemented with Cr (200 μg/kg) through 1...
September 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/29039798/the-effect-of-taurine-on-the-recovery-from-eccentric-exercise-induced-muscle-damage-in-males
#16
Yanita McLeay, Stephen Stannard, Matthew Barnes
Eccentric exercise is known to bring about microstructural damage to muscle, initiating an inflammatory cascade involving various reactive oxygen species. This, in turn, can significantly impair physical performance over subsequent days. Taurine, a powerful endogenous antioxidant, has previously been shown to have a beneficial effect on muscle damage markers and recovery when taken for a few days to several weeks prior to eccentric exercise. However, to date no studies have looked at the effects of supplementing over the days following eccentric exercise on performance recovery...
October 17, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29037390/effect-of-feeding-rumen-protected-capsule-containing-niacin-k2so4-vitamin-c-and-gamma-aminobutyric-acid-on-heat-stress-and-performance-of-dairy-cows
#17
W J Guo, L Zhen, J X Zhang, S Lian, H F Si, J R Guo, H M Yang
This study was conducted to evaluate the effects of supplemental rumen-protected capsule (RPC) on animal performance, serological indicators, and serum heat shock protein 70 (HSP70) of lactating Holstein cows under heat stress (HS). During summer months, 30 healthy multiparous lactating Holstein cows with a parity number of 3.1 ± 0.44, 70 ± 15 d in milk, an average body weight of 622 ± 62kg, and an average milk yield of 32.28 ± 0.96kg/d, were used. The cows were randomly allocated to two groups: a control group and an RPC-supplemented group (0...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29031242/dietary-creatine-supplementation-lowers-hepatic-triacylglycerol-by-increasing-lipoprotein-secretion-in-rats-fed-high-fat-diet
#18
Robin P da Silva, Kelly-Ann Leonard, René L Jacobs
Recent studies have shown that dietary creatine supplementation can prevent lipid accumulation in the liver. Creatine is a small molecule that plays a large role in energy metabolism, but since the enzyme creatine kinase is not present in the liver, the classical role in energy metabolism does not hold in this tissue. Fat accumulation in the liver can lead to the development of nonalcoholic fatty liver disease (NAFLD), a progressive disease that is prevalent in humans. We have previously reported that creatine can directly influence lipid metabolism in cell culture to promote lipid secretion and oxidation...
September 1, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29022519/effects-of-methionine-hydroxy-analogue-supplementation-on-the-expression-of-antioxidant-related-genes-of-acute-heat-stress-exposed-broilers
#19
E Gasparino, A P Del Vesco, A S Khatlab, V Zancanela, D O Grieser, S C C Silva
We evaluated the effects of heat stress (HS) and methionine supplementation on biological markers of stress and expression of the genes for superoxide dismutase (SOD), thioredoxin (TRx), thioredoxin reductase 1 (TRxR1) and methionine sulfoxide reductase A (MsrA) in broilers aged 1 to 21 or 22 to 42 days. The broilers were divided into two treatments, one with the recommended level of methionine supplementation (MS, supplementation of dl-2-hydroxy-4-methylthiobutanoic acid (dl-HMTBA)) and one without methionine supplementation (MD)...
October 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28981384/the-effects-of-a-korean-ginseng-ginst15-on-hypo-pituitary-adrenal-and-oxidative-activity-induced-by-intense-work-stress
#20
Shawn D Flanagan, William H DuPont, Lydia K Caldwell, Vincent H Hardesty, Emily C Barnhart, Matthew K Beeler, Emily M Post, Jeff S Volek, William J Kraemer
The effect of GINST15, an enzyme fermented ginseng supplement, on hormonal and inflammatory responses to physical stress in humans is unknown. The purpose of this investigation was to examine the constitutive and stress-induced effects of GINST15 supplement on hypo-pituitary-adrenal (HPA) and antioxidant activity in addition to muscle damage. Ten women (age: 38.7 ± 7.8 years; height: 163.81 ± 4.4 cm; body mass 76.0 ± 11.6 kg) and nine men (age: 41.2. ± 9.7 years; height: 177.4 ± 5...
October 5, 2017: Journal of Medicinal Food
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