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  2. Gluconeogenesis - Wikipedia

    en.wikipedia.org/wiki/Gluconeogenesis

    Gluconeogenesis (GNG) is a metabolic pathway that results in the biosynthesis of glucose from certain non-carbohydrate carbon substrates. It is a ubiquitous process, present in plants, animals, fungi, bacteria, and other microorganisms. [1] In vertebrates, gluconeogenesis occurs mainly in the liver and, to a lesser extent, in the cortex of the ...

  3. Glucogenic amino acid - Wikipedia

    en.wikipedia.org/wiki/Glucogenic_amino_acid

    Through a transamination process, alanine is changed into pyruvate in the liver. Following this, pyruvate is transformed into oxaloacetate , a crucial step in the gluconeogenesis process. [ 4 ] It is possible to synthesize glucose from oxaloacetate, ensuring that the blood glucose levels required for the body to produce energy are maintained.

  4. Carbohydrate metabolism - Wikipedia

    en.wikipedia.org/wiki/Carbohydrate_metabolism

    Gluconeogenesis (GNG) is a metabolic pathway that results in the generation of glucose from certain non-carbohydrate carbon substrates. It is a ubiquitous process, present in plants, animals, fungi, bacteria, and other microorganisms. [6] In vertebrates, gluconeogenesis occurs mainly in the liver and, to a lesser extent, in the cortex of the ...

  5. Phosphoenolpyruvate carboxykinase - Wikipedia

    en.wikipedia.org/wiki/Phosphoenolpyruvate...

    In animals, this is a rate-controlling step of gluconeogenesis, the process by which cells synthesize glucose from metabolic precursors. The blood glucose level is maintained within well-defined limits in part due to precise regulation of PEPCK gene expression.

  6. Cori cycle - Wikipedia

    en.wikipedia.org/wiki/Cori_cycle

    Cori cycle. The Cori cycle (also known as the lactic acid cycle), named after its discoverers, Carl Ferdinand Cori and Gerty Cori, [1] is a metabolic pathway in which lactate, produced by anaerobic glycolysis in muscles, is transported to the liver and converted to glucose, which then returns to the muscles and is cyclically metabolized back to lactate.

  7. Glucagon - Wikipedia

    en.wikipedia.org/wiki/Glucagon

    This regulates the reaction catalyzing fructose 2,6-bisphosphate (a potent activator of phosphofructokinase-1, the enzyme that is the primary regulatory step of glycolysis) [24] by slowing the rate of its formation, thereby inhibiting the flux of the glycolysis pathway and allowing gluconeogenesis to predominate. This process is reversible in ...

  8. Metabolic pathway - Wikipedia

    en.wikipedia.org/wiki/Metabolic_pathway

    The degradative process of a catabolic pathway provides the energy required to conduct the biosynthesis of an anabolic pathway. [6] In addition to the two distinct metabolic pathways is the amphibolic pathway, which can be either catabolic or anabolic based on the need for or the availability of energy.

  9. Glyceroneogenesis - Wikipedia

    en.wikipedia.org/wiki/Glyceroneogenesis

    The gluconeogenesis pathway Dihydroxyacetone phosphate to glycerol 3-phosphate The main precursors of glyceroneogenesis are pyruvate , lactate , glutamine , and alanine . Glyceroneogenesis is also known as the branched pathway of gluconeogenesis because its first few steps are the same.

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