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Carbohydrate mouth rinsing has no effect on power output during cycling in a glycogen-reduced state
Ergogenic aid Fluid ingestion Time trial Sports drink Mouthwash Supplementation
2016/5/16
Background:The effect of mouth rinsing with a carbohydrate (CHO) solution on exercise performance is inconclusive with no benefits observed in the fed state. This study examined the effect of CHO mout...
Impact of Muscle Glycogen Availability on the Capacity for Repeated Exercise in Man
NUTRITION METABOLISM PERFORMANCE SUCROSE
2017/4/13
Purpose: This study aims to examine whether muscle glycogen availability is associated with fatigue in a repeated exercise bout following short-term recovery.
Methods: Ten endurance-trained individua...
Decreased Activity in Neuropathic Pain Form and Gene Expression of Cyclin-Dependent Kinase5 and Glycogen Synthase Kinase-3 Beta in Soleus Muscle of Wistar Male Rats
Neuropathic Pain Soleus Muscle CDK5 Protein Kinase
2015/11/6
Background: The relationship between decreased activity/neuropathic pain and gene expression alterations in soleus muscle has remained elusive.
Creatine supplementation spares muscle glycogen during high intensity intermittent exercise in rats
Creatine supplementation spares muscle glycogen high intensity intermittent exercise rats
2015/7/20
The effects of creatine (CR) supplementation on glycogen content are still debatable. Thus, due to the current lack of clarity, we investigated the effects of CR supplementation on muscle glycogen con...
Glycogen is a major energy reserve in most eukaryotes and its rate of synthesis is controlled by glycogen synthase. The activity of eukaryotic glycogen synthase is regulated by the allosteric activato...
The Role of Post-Exercise Nutrient Administration on Muscle Protein Synthesis and Glycogen Synthesis
Protein supplementation carbohydrate supplementation anabolism
2015/5/5
Nutrient administration following an exercise bout vastly affects anabolic processes within the human body, irrespective of exercise mode. Of particular importance are protein and carbohydrates whereb...
Regulation of Muscle Glycogen Repletion, Muscle Protein Synthesis and Repair Following Exercise
Carbohydrate nutrients insulin glucose amino acids
2015/3/13
Recovery from prolonged strenuous exercise requires that depleted fuel stores be replenished, that damaged tissue be repaired and that training adaptations be initiated. Critical to these processes ar...
Post-Exercise Muscle Glycogen Repletion in the Extreme: Effect of Food Absence and Active Recovery
Glycogen synthase glycogen phosphorylase Cori cycle glyconeogenesis
2015/3/13
Glycogen plays a major role in supporting the energy demands of skeletal muscles during high intensity exercise. Despite its importance, the amount of glycogen stored in skeletal muscles is so small t...
Effectiveness of sub-maximal intermittent exercise on muscle glycogen depletion, PGC-1α and PDK-4 gene expression
ntermittent Exercise Muscle Glycogen Peroxisome Proliferator-Activated Receptor-γ Coactivator-1α
2013/1/30
Several metabolic gene expressions are regulated in concert with muscle glycogen status. We hypothesized that intermittent exercise performed at high but sub-maximal intensities with long recovery per...
Motility potential of macaque epididymal sperm: the role of protein phosphatase and glycogen synthase kinase-3 activities
Monkey spermatozoa enzymes caput caudal
2009/2/18
Human and monkey ejaculated sperm contain protein phosphatase-1 (PP1), PP1 inhibitor 2 (12), and glycogen synthase kinase-3 (GSK-3). Inhibition of ejaculated human sperm protein phosphatase (PP) a...
Changes in Sperm Glycogen Synthase Kinase-3 Serine Phosphorylation and Activity Accompany Motility Initiation and Stimulation
Epididymis protein kinase B phosphoinositide 3-kinase
2008/12/22
Sperm motility is regulated by protein phosphorylation. We have shown that the signaling kinase, glycogen synthase kinase-3 (GSK-3), is present in spermatozoa. In somatic cells, GSK-3 is regulated b...
Evidence for a Role of Glycogen Synthase Kinase-3ß in Rodent Spermatogenesis
Testis meiosis tubule culture Rim11p
2008/12/19
Glycogen synthase kinase-3ß (GSK-3ß) regulates cell metabolism, cell cycle, and cell fate through the phosphorylation of a diverse array of substrates. Herein, we provide evidence that s...
Maximizing postexercise muscle glycogen synthesis: carbohydrate supplementation and the application of amino acid or protein hydrolysate mixtures
Insulin leucine phenylalanine glycogen synthase muscle glycogen synthesis,
2016/6/7
Background: Postexercise muscle glycogen synthesis is an
important factor in determining the time needed to recover from
prolonged exercise.
Objective: This study investigated whether an increase i...