Krebs cycle


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  • noun

Synonyms for Krebs cycle

in all plants and animals: a series of enzymatic reactions in mitochondria involving oxidative metabolism of acetyl compounds to produce high-energy phosphate compounds that are the source of cellular energy

References in periodicals archive ?
The complex is extremely safe with practically no side effects and has numerous properties, including enhancement of activities of Krebs cycle and mitochondrial respiratory chain enzymes, free radical scavenging properties, and DNA repair.
In the target cells, the acetoacetate is converted back into two molecules of acetyl-CoA that are included in the Krebs cycle (Figure 2).
In addition to the tangible act of breathing - a sure sign of a well-oiled Krebs cycle - your body is giving off heat.
The prooxidant effect of AKG seems to be due to the altered intensity of the Krebs cycle in which AKG is preferentially metabolized [16, 17].
Apart from involvement in protein/amino acid metabolism, AKG is a Krebs cycle intermediate.
The fatty acid degradation involves P-oxidation in glyoxysomes, glyoxylate cycle, Krebs cycle, part of gluconeogenesis and glycolysis, the pyruvate decarboxylation and again Krebs cycle (Figure 1).
Gluconeogenesis also results in an approximately ~1.5-fold dilution of 13 C-enrichment via Krebs cycle carbon exchange; hence a correction factor of 1.5 was incorporated into the equation [10, 11].
Glutamate dehydrogenase (GDH) a mitochondrial enzyme catalyses the oxidative deamination of glutamate providing a- ketoglutarate to the Krebs cycle (Reddy and Venugopal 1990).
Alcohol in Krebs cycle is increased the reaction of oxaloacetate to maleate so it increase the maleate.
The main products of Krebs cycle, dicarcoxylic acids (suberic, adipic) and succinyl purine derivatives among other metabolites may be found in body fluids with different rates.
It is comprised of (a) a Krebs cycle intermediate, a precursor of a Krebs cycle intermediate, or a combination thereof, comprising diethylhexyl malate; (b) a pharmaceutically acceptable topical vehicle comprising a mitochondrial fuel or substance that is efficiently convertible to mitochondrial fuel by normal skin cell metabolism comprising tristearyl glycerol, and (c) at least one antioxidant selected from the group consisting of undutched raw chocolate, green tea and resveratrol.
Chronic depletion of mitochondrial DNA in both Schwann cells and Dorsal root ganglion neurons in vitro has resulted in decreased enzyme activities of various Krebs cycle enzymes including Malate dehydrogenase, Citrate Synthase and a simultaneous increase in Glycolytic pathway enzymes.
This is a process that occurs in the Krebs cycle. (5,10) Thus, the inclusion of [alpha]-ketoglutarate in ergogenic supplements is based on the assumption that an increase in Krebs cycle flux is required to increase the rate of acetyl-CoA oxidation.