Creatine (Cr) and phosphocreatine (PCr) are involved with rapid ATP production primarily in skeletal muscle tissue via the action of creatine kinase(s). Creatine may be used as a supplement to study its uptake mechanism and metabolism of action.
Biochem/physiol Actions
Creatine is a nitrogenous compound that acts as a high-energy reservoir for the rapid regeneration of ATP.
Creatine is a nitrogenous compound that acts as a high-energy reservoir for the rapid regeneration of ATP. Approximately 95% of creatine is found in skeletal muscle, primarily as phosphocreatine. Creatine can be acquired through dietary consumption or formed from L-arginine, glycine, and L-methionine in a multi-step reaction that occurs in the kidneys and liver. Creatine is then transported to muscle tissue. Creatine supplementation is used for the enhancement of sports performance, primarily by increasing muscle mass. Creatine is also being investigated as a treatment of neuromuscular diseases, where it may aid in neuroprotection and by improving the cellular bioenergetic state.
The Journal of clinical investigation, 124(11), 4915-4925 (2014-10-02)
Animal models suggest that acetylcarnitine production is essential for maintaining metabolic flexibility and insulin sensitivity. Because current methods to detect acetylcarnitine involve biopsy of the tissue of interest, noninvasive alternatives to measure acetylcarnitine concentrations could facilitate our understanding of its
European heart journal, 36(2), 112-119 (2014-09-03)
The MITOCARE study evaluated the efficacy and safety of TRO40303 for the reduction of reperfusion injury in patients undergoing revascularization for ST-elevation myocardial infarction (STEMI). Patients presenting with STEMI within 6 h of the onset of pain randomly received TRO40303
The creatine/creatine kinase (CK) system plays a key role in cellular energy buffering and transport. In vertebrates, CK has four isoforms expressed in a tissue-specific manner. In the process of creatine biosynthesis several other important metabolites are formed. The anticancer
Journal of the American College of Cardiology, 65(6), 533-543 (2015-02-14)
Bifurcation lesions are frequent among patients with symptomatic coronary disease treated by percutaneous coronary intervention. Current evidence recommends a conservative (provisional) approach when treating the side branch (SB). The TRYTON (Prospective, Single Blind, Randomized Controlled Study to Evaluate the Safety
This study sought to determine whether pre-percutaneous coronary intervention (PCI) plaque characterization using near-infrared spectroscopy identifies lipid-rich plaques at risk of periprocedural myonecrosis and whether these events may be prevented by the use of a distal protection filter during PCI.
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