glycolysis

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a metabolic process that breaks down carbohydrates and sugars through a series of reactions to either pyruvic acid or lactic acid and releases energy for the body in the form of ATP

References in periodicals archive ?
The aerobic oxidation of fatty acids and carbohydrate substrates in mitochondria, which occurs via glycolytic, fatty acid metabolic and oxidative phosphorylation pathways, produces the majority of adenosine triphosphate (ATP) for cardiac functions.
Previous studies on some of the key glycolytic enzymes (glycogen phosphorylase, glycogen synthase, pyruvate kinase, and pyruvate dehydrogenase) within the foot muscle of L.
However, since the initial report of the Warburg hypothesis, numerous reports also indicate that many cancer cells have higher glycolytic activity even under aerobic conditions.
Here, it must be mentioned that glycolytic inhibitors in combination with other therapies have proven to be more promising than being alone as tumor cells and tumor microenvironment are very heterogeneous and cells within an invasive cancer may use a range of metabolic pathways including some in which oxidative metabolism of glucose or fatty acids contributes significantly to ATP production [43].
The increased glycolytic hexokinase activity indicates the generation of the Warburg phenotype.
In clear-cell RCC, upregulation of Glut1 expression results in an influx of glucose to the cancer cells.[sup.9] Additionally, the transcription of several other key enzymes in the glycolytic pathway is stimulated by HIF.
Mannoheptulose partially turns off hexokinase, an enzyme that ignites a series of chemical reactions, known as the glycolytic pathway, when glucose enters a cell.
These transformed cells were subjected to microarray analysis and one of the differentially expressed gene that was identified was enolase-2 (ENO-2) which is a glycolytic enzyme that catalyses the conversion of 2-phosphoglycerate to phosphoenol pyruvate.
To keep it simple, there are three main metabolic pathways we use to perform physical activity--the phosphagen pathway, the glycolytic pathway, and the oxidative pathway--and one pathway to convert food into energy--the citric acid, or Krebs cycle.
Some areas investigated include regulation of glycolysis in lactococcus lactis, the cancer-hypoxia/decreased respiration-glycolysis connection, pattern formation and dissipation in a model glycolytic system, the role of skeletal muscle glycolysis in whole body metabolic regulation and Type 2 diabetes, glycolysis and the lung, and transcriptional and post-transcriptional regulation of glycolysis in microbial cells.
For example, carbohydrate flux may be evaluated based on glycolytic enzymes, such as hexokinase, pyruvate kinase and lactate dehydrogenase.
Lactate dehydrogenase levels and the percentage of fibers with low oxidative and high glycolytic capacity were increased in smokers.
The influence of the energetics in tumor genesis and progression was hypothesized by Warburg [11] who showed increase in aerobic glycolysis and dependence of the glycolytic pathway for production of ATP.
Briefly, lactic acid, or lactate, is one of two possible products produced by alternative reactions in the glycolytic pathway.