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The Cahill cycle, also known as the alanine cycle or glucose-alanine cycle, [1] is the series of reactions in which amino groups and carbons from muscle are transported to the liver. [2] It is quite similar to the Cori cycle in the cycling of nutrients between skeletal muscle and the liver. [ 1 ]
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.
Regulation of glyceroneogenesis is a therapeutic target of type 2 diabetes treatment, specifically inhibiting it in the liver and increasing it in adipose tissues. Insulin down-regulates glyceroneogenesis in the liver, but it also suppresses it in adipose tissue. To restrict the release of free fatty acids from adipose tissues ...
In similar manner, in muscles the use of pyruvate for transamination gives alanine, which is carried by the bloodstream to the liver (the overall reaction being termed glucose-alanine cycle). Here other transaminases regenerate pyruvate, which provides a valuable precursor for gluconeogenesis .
It catalyzes the two parts of the alanine cycle. Serum ALT level, serum AST (aspartate transaminase) level, and their ratio (AST/ALT ratio) are routinely measured clinically as biomarkers for liver health. [2] The half-life of ALT in the circulation approximates 47 hours. [3] Aminotransferase is cleared by sinusoidal cells in the liver. [3]
Consultant interventional radiologist Dr Brian Stedman said his team had performed 300 procedures in 100 patients whose form of eye cancer known as ocular melanoma had spread to the liver, called ...
A collaborative study between the U.S. Environmental Protection Agency (EPA) and the University of New Hampshire investigated the effect of DE-71, a commercial PBDE mixture, on PEPCK enzyme kinetics and determined that in vivo treatment of the environmental pollutant compromises liver glucose and lipid metabolism possibly by activation of the ...
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