Skeletal muscle total creatine content and creatine transporter gene expression in vegetarians prior to and following creatine ... It has been shown that once supplementation of creatine stops, muscle creatine stores return to baseline in 4-6 weeks. Creatine ... A cyclic form of creatine, called creatinine, exists in equilibrium with its tautomer and with creatine. Creatine is ... Persky AM, Rawson ES (2007). "Safety of creatine supplementation". Creatine and Creatine Kinase in Health and Disease. ...
... in the blood may be high in health and disease. Exercise increases the outflow of creatine kinase to the blood ... Thus creatine kinase is an important enzyme in such tissues. Clinically, creatine kinase is assayed in blood tests as a marker ... Creatine kinase (CK), also known as creatine phosphokinase (CPK) or phosphocreatine kinase, is an enzyme (EC 2.7.3.2) expressed ... Brewster LM (June 2020). "Creatine Extracellular creatine kinase may modulate purinergic signalling". Purinergic Signalling. 16 ...
... (macro-CK) is a macroenzyme, an enzyme of high molecular weight and prolonged half-life found in human ... Zhang, L; Han, F; Liu, X; Xie, C; Tian, K; Bi, Q; Hao, M; Mu, X (6 August 2020). "Macro creatine kinase in an asymptomatic ... Macro-CK type 1 is a complex formed by one of the creatine kinase isoenzyme types, typically CK-BB, and antibodies; typically ... Horino, T; Ichii, O; Ode-Hamada, K; Terada, Y (1 September 2017). "Macromolecular creatine kinase type 1 in immune-mediated ...
"Creatine-creatine phosphate shuttle modeled as two-compartment system at different levels of creatine kinase activity" (PDF). ... "The Creatine-Creatine Phosphate Shuttle for Energy Transport - Compartmentation of Creatine Phosphokinase in Muscle". ... "The Creatine-Creatine Phosphate Shuttle for Energy Transport - Compartmentation of Creatine Phosphokinase in Muscle", ... Bessman, S P; Carpenter, C L (June 1985). "The Creatine-Creatine Phosphate Energy Shuttle". Annual Review of Biochemistry. 54 ( ...
It can be prepared by the esterification of creatine with methanol. Creatine ethyl ester Process for preparation of creatine ... Creatine methyl ester is the methyl ester derivative of the amino acid creatine. ...
Cerebral creatine deficiencies are a small group of inherited disorders that result from defects in creatine biosynthesis and ... Creatine is produced by the enzyme guanidinoacetate methyltransferase. After production in the liver and kidneys, creatine is ... Braissant, O.; Henry, H.; Béard, E.; Uldry, J. P. (2011). "Creatine deficiency syndromes and the importance of creatine ... Ornithine aminotransferase deficiency can cause secondary creatine deficiency, however it does not result in cerebral creatine ...
Creatine-alpha-ketoglutarate is a salt formed from alpha-ketoglutaric acid (AKG) and creatine. Creatine is a mass-produced ... Creatine requires a delivery system for cell uptake.[citation needed] An example is arginine alpha-ketoglutarate.[citation ... P.; Forbes, Scott C.; Candow, Darren G.; Cornish, Stephen M.; Chilibeck, Philip D. (October 2008). "Creatine, Arginine α- ... The supplement industry has theorized that binding creatine to alpha-ketoglutarate could show significant improvements in ...
Creatine transporter deficiency (CTD) is an inborn error of creatine metabolism in which creatine is not properly transported ... creatine utilizes creatine transporter (CRT). When present at the BBB, CRT mediates the passage of creatine from the blood to ... Given the major role that the BBB has in the transport of creatine to the brain and unresponsiveness of oral creatine ... When being transported from the blood to the brain, creatine has to constantly move against the creatine concentration gradient ...
2001). "X-linked creatine-transporter gene (SLC6A8) defect: a new creatine-deficiency syndrome". Am. J. Hum. Genet. 68 (6): ... 2002). "X-linked creatine deficiency syndrome: a novel mutation in creatine transporter gene SLC6A8". Ann. Neurol. 52 (2): 227- ... 2006). "X-linked creatine transporter (SLC6A8) mutations in about 1% of males with mental retardation of unknown etiology". Hum ... 2006). "X-linked creatine transporter deficiency: clinical description of a patient with a novel SLC6A8 gene mutation". ...
"Creatine kinase". GPnotebook. Page 585 in: Lee, Mary Ann (2009). Basic Skills in Interpreting Laboratory Data. Amer Soc of ...
2003). "Creatine depletion in a new case with AGAT deficiency: clinical and genetic study in a large pedigree". Mol. Genet. ... Schulze A (2003). "Creatine deficiency syndromes". Mol. Cell. Biochem. 244 (1-2): 143-50. doi:10.1023/A:1022443503883. PMID ... 2002). "Guanidinoacetate and creatine plus creatinine assessment in physiologic fluids: an effective diagnostic tool for the ... This enzyme is involved in creatine biosynthesis, whereby it catalyzes the transfer of a guanido group from L-arginine to ...
Wyss M, Kaddurah-Daouk R (July 2000). "Creatine and creatinine metabolism". Physiol. Rev. 80 (3): 1107-213. doi:10.1152/physrev ... the enzyme is also indirectly connected to the creatine cycle and the respiratory chain in the mitochondria (See figure 4 for ...
Creatine kinase U-type, mitochondrial, also called ubiquitous mitochondrial creatine kinase (uMtCK), is in humans encoded by ... Creatine+Kinase,+Mitochondrial+Form at the U.S. National Library of Medicine Medical Subject Headings (MeSH) This article ... Stachowiak O, Schlattner U, Dolder M, Wallimann T (July 1998). "Oligomeric state and membrane binding behaviour of creatine ... Schlattner U, Tokarska-Schlattner M, Wallimann T (February 2006). "Mitochondrial creatine kinase in human health and disease". ...
Supplementation of creatine increases skeletal muscle creatine levels, this boosts performance by increasing the rate at which ... Creatine is currently not recognized as a prohibited substance and can be purchased as a legal dietary supplement. Human Growth ... Creatine: one of the most popular nutritional supplements, it contributes to 400 million dollars in sales globally every year. ... Human biomolecules - creatine and β-hydroxy β-methylbutyrate are naturally occurring compounds in humans that have well- ...
Creatine kinase, muscle also known as MCK is a creatine kinase that in humans is encoded by the MCK gene. In the figure to the ... phosphate between ATP and creatine and between phospho-creatine and ADP. Its functional entity is a MM-CK homodimer in striated ... "The generation of the oxidized form of creatine kinase is a negative regulation on muscle creatine kinase". J. Biol. Chem. 282 ... Creatine+Kinase,+MM+Form at the U.S. National Library of Medicine Medical Subject Headings (MeSH) Human CKM genome location and ...
and to isolate creatine. His theories of color "provided the scientific basis for Impressionist and Neo-Impressionist painting ... "An Introduction to Creatine". 2016-11-23. Archived from the original on 2021-08-15. Retrieved 2021-08-15. Itten, Johannes, The ...
Sometimes this is achieved by using nitrate salts of other ingredients (e.g. arginine nitrate, creatine nitrate). Creatine, a ... Some ingredients such as caffeine, creatine and β-alanine are found in nearly all pre-workout blends, but each branded product ... Some variations on common pre-workout products include sugar-free, creatine-free and stimulant-free options. The market size ... Pre-workout supplements contain a variety of ingredients such as caffeine and creatine, differing by capsule or powder products ...
... it was discovered that creatine increased body mass and mean power output. The creatine-induced increase in body mass was a ... Creatine does not have an effect on fatigue or maximum power output. As with other sports, weight trainers should avoid ... Some weight trainers also take ergogenic aids such as creatine or anabolic steroids to aid muscle growth. In a meta-analysis ... The increase in mean power output was attributed to creatine's ability to counteract the lack of intramuscular phosphocreatine ...
L1CAM Creatine deficiency syndrome, X-linked; 300352; SLC6A8 Creatine phosphokinase, elevated serum; 123320; CAV3 Creutzfeldt- ...
... the effects of creatine supplementation on brain creatine, cognitive processing, and traumatic brain injury". European Journal ... Roschel, Hamilton; Gualano, Bruno; Ostojic, Sergej M.; Rawson, Eric S. (February 2021). "Creatine Supplementation and Brain ... creatine, omega 3 (e.g. sustainably algae-derived), as well as correction of prevalent micronutrient deficiencies are ...
Roberts, R.; Sobel, B. E.; Parker, C. W. (1976-11-19). "Radioimmunoassay for creatine kinase isoenzymes". Science. 194 (4267): ... "Radioimmunoassay for creatine kinase isoenzymes". Science. 194 (4267): 855-857. doi:10.1126/science.982049. ISSN 0036-8075. ...
"Cerebral creatine deficiency syndrome 1". Eurofins Biomnis. Retrieved 5 May 2022. "Microcephaly deafness syndrome". National ...
Defects in this gene have been implicated in neurologic syndromes and muscular hypotonia, probably due to creatine deficiency ... The protein encoded by this gene is a methyltransferase that converts guanidoacetate to creatine, using S-adenosylmethionine as ... CANTONI GL, VIGNOS PJ (1954). "Enzymatic mechanism of creatine synthesis". J. Biol. Chem. 209 (2): 647-59. doi:10.1016/S0021- ... 1996). "Guanidinoacetate methyltransferase deficiency: the first inborn error of creatine metabolism in man". Am. J. Hum. Genet ...
Woodling, Chuck (August 17, 2001). "Haskell Football Coach Recommends Creatine". Lawrence Journal-World. Retrieved March 21, ...
Wilson, Stephen (8 May 1993). "Creatine said to boost performance - and it's legal". Associated Press News. AP News Archive. ... Arnot, Chris (28 March 1993). "Cambridge boat enjoys the creatine effect". The Independent. Archived from the original on 19 ... creatine was believed to provide legal energy-enhancing effects to the crew. "Dark Blues aim to punch above their weight". The ... the journalist Chris Arnot noted that the Cambridge crew had used creatine supplements in order to attempt to enhance their ...
Tarnopolsky MA (2010). "Caffeine and creatine use in sport". Annals of Nutrition & Metabolism. 57 (Suppl 2): 1-8. doi:10.1159/ ...
Elevated creatine kinase (CK) levels in the blood (at most ~10 times normal) are typical in sIBM but affected individuals can ... Moghadam-Kia, Siamak; Oddis, Chester V.; Aggarwal, Rohit (2016). "Approach to asymptomatic creatine kinase elevation". ...
Fat and Protein Metabolism and Creatinine and Creatine Output". American Journal of Diseases of Children. 58 (1): 29. doi: ... The Excretion of Creatinine and Creatine". American Journal of Diseases of Children. 51 (6): 1268. doi:10.1001/archpedi. ... The Excretion of Creatinine and Creatine" (1936, with Chi Che Wang and Corinne Hogden) "Metabolic Study of Five Children with ...
The Excretion of Creatinine and Creatine" (1936, with Chi Che Wang and Ida Genther) "The estimation of albumin and globulin in ... The Excretion of Creatinine and Creatine". American Journal of Diseases of Children. 51 (6): 1268. doi:10.1001/archpedi. ...
Her "Uptake of Creatine by Cultured Cells" (1980) described the conditions under which muscle tissues best absorbed creatine. ... In the 1970s Daly began studying the uptake of creatine by muscle cells, an important research topic in the energy recycling ... and creatine's uptake by muscle cells. Daly attended Hunter College High School, a laboratory high school for girls run by ... "Uptake of creatine by cultured cells". Archives of Biochemistry and Biophysics. 203 (1): 317-324. doi:10.1016/0003-9861(80) ...