Results 281 to 290 of about 322,419 (302)
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Current Sports Medicine Reports, 2013
Creatine monohydrate is a dietary supplement that increases muscle performance in short-duration, high-intensity resistance exercises, which rely on the phosphocreatine shuttle for adenosine triphosphate. The effective dosing for creatine supplementation includes loading with 0.3 g·kg·d for 5 to 7 days, followed by maintenance dosing at 0.03 g·kg·d ...
Matthew, Hall, Thomas H, Trojian
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Creatine monohydrate is a dietary supplement that increases muscle performance in short-duration, high-intensity resistance exercises, which rely on the phosphocreatine shuttle for adenosine triphosphate. The effective dosing for creatine supplementation includes loading with 0.3 g·kg·d for 5 to 7 days, followed by maintenance dosing at 0.03 g·kg·d ...
Matthew, Hall, Thomas H, Trojian
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Medicinal research reviews (Print), 2019
Creatine is pivotal in energy metabolism of muscle and brain cells, both in physiological and in pathological conditions. Additionally, creatine facilitates the differentiation of muscle and neuronal cells.
M. Balestrino, E. Adriano
semanticscholar +1 more source
Creatine is pivotal in energy metabolism of muscle and brain cells, both in physiological and in pathological conditions. Additionally, creatine facilitates the differentiation of muscle and neuronal cells.
M. Balestrino, E. Adriano
semanticscholar +1 more source
1982
There are two viewpoints regarding the role of the enzyme creatine Phosphokinase (CPK), which catalyzes the reversible transphosphorylation of creatine and adenine nucleotides in energy transport. The classical viewpoint (Fig. 1) regards CPK as a near equilibrium enzyme buffering cytosolic changes in nucleotide concentration (1,2), with creatine ...
Paul J. Geiger +3 more
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There are two viewpoints regarding the role of the enzyme creatine Phosphokinase (CPK), which catalyzes the reversible transphosphorylation of creatine and adenine nucleotides in energy transport. The classical viewpoint (Fig. 1) regards CPK as a near equilibrium enzyme buffering cytosolic changes in nucleotide concentration (1,2), with creatine ...
Paul J. Geiger +3 more
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Brain Creatine Kinase and Creatine Transporter Proteins in Normal and Creatine-Treated Rabbit Pups
Developmental Neuroscience, 2000Systemic creatine (Cr) supplementation increases brain phosphocreatine (PCr) and prevents hypoxic seizures in 15-day-old rabbits . Between 5 and 30 days of age during normal development, rabbit gray matter mitochondrial creatine kinase (Mi-CK) increases 400% while cytosolic CK (BB-CK) increases 60%.
David M. Holtzman +3 more
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A method for the determination of creatine in blood serum with creatine phosphokinase
Clinica Chimica Acta, 1966Abstract A method is described for the determination of creatine in blood serum with creatine phosphokinase on the principles of that of Tanzer and Gilvarg 1 . Serum is treated with a solution of iodine and then protein is removed with barium hydroxide and zinc sulfate.
A.T. Milhorat, A.C. Kibrick
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Current protein and peptide science, 2017
Creatine, a very popular supplement among athletic populations, is of growing interest for clinical applications. Since over 90% of creatine is stored in skeletal muscle, the effect of creatine supplementation on muscle metabolism is a widely studied ...
F. Farshidfar, Mark A Pinder, S. Myrie
semanticscholar +1 more source
Creatine, a very popular supplement among athletic populations, is of growing interest for clinical applications. Since over 90% of creatine is stored in skeletal muscle, the effect of creatine supplementation on muscle metabolism is a widely studied ...
F. Farshidfar, Mark A Pinder, S. Myrie
semanticscholar +1 more source
Creatine and Creatine Deficiency Syndromes: Biochemical and Clinical Aspects
Pediatric Neurology, 2010Creatine deficiency syndromes, which have only recently been described, represent a group of inborn errors of creatine synthesis (L-arginine-glycine amidinotransferase deficiency and guanidinoacetate methyltransferase deficiency) and transport (creatine transporter deficiency). Patients with creatine deficiency syndromes present with mental retardation
Fahmi Nasrallah +2 more
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Annals of Neurology, 2001
AbstractRecent reports highlight the utility of in vivo magnetic resonance spectroscopy (MRS) techniques to recognize creatine deficiency syndromes affecting the central nervous system (CNS). Reported cases demonstrate partial reversibility of neurologic symptoms upon restoration of CNS creatine levels with the administration of oral creatine.
Cornelis Jakobs +7 more
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AbstractRecent reports highlight the utility of in vivo magnetic resonance spectroscopy (MRS) techniques to recognize creatine deficiency syndromes affecting the central nervous system (CNS). Reported cases demonstrate partial reversibility of neurologic symptoms upon restoration of CNS creatine levels with the administration of oral creatine.
Cornelis Jakobs +7 more
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2003
Since the first description of a creatine deficiency syndrome, the guanidinoacetate methyltransferase (GAMT) deficiency, in 1994, the two further suspected creatine deficiency syndromes--the creatine transporter (CrT1) defect and the arginine:glycine amidinotransferase (AGAT) deficiency were disclosed.
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Since the first description of a creatine deficiency syndrome, the guanidinoacetate methyltransferase (GAMT) deficiency, in 1994, the two further suspected creatine deficiency syndromes--the creatine transporter (CrT1) defect and the arginine:glycine amidinotransferase (AGAT) deficiency were disclosed.
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Creatine Metabolism in Men: Urinary Creatine and Creatinine Excretions with Creatine Feeding
The Journal of Nutrition, 1975Sheldon Margen +2 more
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