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AMPK Signaling

Meaning

AMPK Signaling refers to the cellular cascade initiated by Adenosine Monophosphate-activated Protein Kinase, a master regulator enzyme essential for maintaining cellular energy homeostasis. This sensor detects changes in the ratio of AMP to ATP, essentially monitoring the cell’s fuel gauge, and acts as a metabolic switch. Activation of this pathway promotes catabolic processes that generate ATP, such as fatty acid oxidation and glucose uptake, while simultaneously suppressing energy-consuming anabolic processes like lipid and protein synthesis. Its function is pivotal in coordinating energy balance across various endocrine tissues.