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Cellular Energy Substrate Management

Meaning

Cellular Energy Substrate Management refers to the complex, regulated process by which individual cells acquire, process, and utilize various nutrient sources—primarily glucose, fatty acids, and amino acids—to generate Adenosine Triphosphate (ATP), the fundamental energy currency. This sophisticated management system ensures metabolic flexibility, allowing the cell to switch efficiently between substrates based on availability and energy demand. Effective substrate management is critical for maintaining cellular homeostasis, particularly in high-demand tissues like muscle and brain.