phosphocreatine


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Related to phosphocreatine: creatine kinase

phosphocreatine

 (PC) [fos″fo-kre´ah-tin]
a compound of creatine and phosphoric acid occurring in muscle, being the most important storage form of high-energy phosphate, the energy source in muscle contraction.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

phos·pho·cre·a·tine

(fos'fō-krē'ă-tēn),
A phosphagen; a compound of creatine (through its NH2 group) with phosphoric acid; a source of energy in the contraction of vertebrate muscle, its breakdown furnishing phosphate for the resynthesis of ATP from ADP by creatine kinase. Compare: phosphoarginine.
Farlex Partner Medical Dictionary © Farlex 2012

phosphocreatine

(fŏs′fō-krē′ə-tēn′) also

phosphocreatin

(-tĭn)
n.
An organic compound, C4H10N3O5P, found in muscle tissue and capable of storing and providing energy for muscular contraction. Also called creatine phosphate.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

phos·pho·cre·a·tine

(PCr) (fos'fō-krē'ă-tēn)
A phosphagen; a compound of creatine with phosphoric acid; a source of energy in the contraction of vertebrate muscle, its breakdown furnishing phosphate for the resynthesis of adenosine triphosphate from adenosine diphosphate by creatine kinase.
Synonym(s): creatine phosphate, Nω-phosphonocreatine.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

phosphocreatine

a compound used in the production of ATP from ADP in muscles, being converted to creatine with the release of inorganic phosphorus.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
The method used to determine [AL.sub.MET] provides an estimate of the amount of ATP resynthesized by phosphocreatine breakdown and therefore indicates anaerobic alactic capacity.
[3] Nonstandard abbreviations: MEGS, mitochondrial energy-generating system; PDHc, pyruvate dehydrogenase complex; TCA, tricarboxylic acid; OXPHOS, oxidative phosphorylation; RC, respiratory chain; ANT, adenine nucleotide translocator; mtDNA, mitochondrial DNA; CCCP, carbonyl cyanide 3-chlorophenyl hydrazone; CS, citrate synthase; SDH, succinate dehydrogenase; CrP, phosphocreatine; 2-ODHc, 2-oxoglutarate dehydrogenase complex; and SCC, succinate cytochrome c oxidoreductase (complex II + III).
The branched chain amino acids, valine, leucine and isoleucine, unlike most other amino acids, are oxidised by muscle cells, providing a source of cellular energy as ATP and phosphocreatine (7).
Although we did not measure the amount of total creatine and phosphocreatine, this factor could have affected the outcome.
In addition, we observed that MS hearts also showed a reduction of the phosphocreatine levels during ISO treatment (59 [+ or -] 7.5 versus 43 [+ or -] 4.3 nmol x [mg.sup.-1]; p = 0.01).
Eugenol (purity = 99%), ryanodine, BDM, procaine, MgATP, disodium phosphocreatine, EGTA, imidazole, methanesulfonic acid, calcium chloride, and creatine kinase were purchased from Sigma Chemical Co.
Mayer, "An improved assay of inorganic phosphate in the presence of extralabile phosphate compounds: application to the ATPase assay in the presence of phosphocreatine," Analytical Biochemistry, vol.
LDH is often used as a marker for tissue breakdown, and CK catalyzes the conversion of creatine and consumes adenosine triphosphate (ATP) to create phosphocreatine and adenosine diphosphate (ADP).
31P Magnetic resonance spectroscopy study of phosphocreatine recovery kinetics in 55 skeletal muscle: the issue of intersubject variability.
Phosphocreatine (PC) is another energy-rich compound closely related to ATP.
Membrane aliquots were incubated 10 rain at 30[degrees]C with final concentrations of 40 mM Tris-HCl (pH 7.4), 10 mM theophylline, 1 mM adenosine 5'-triphosphate, 10 [micro]M guanosine 5"-triphosphate, 2 mM MgC[l.sub.2], 1 mg/mL bovine serum albumin, and a creatine phosphokinase-ATP-regenerating system consisting of 10 mM sodium phosphocreatine and 8 IU/mL phosphocreatine kinase, in a total volume of 250 [micro]L.