[Power metabolism from neurons and a glia to the whole brain: norm, pathology and correction].
The review outlines current state of the thepretical, methodological and applies aspects of brain's energy homeostasis. Authors suggest reconsidering the exclusive role of glucose as an energy substrate (ES) at both neuronal and systemic levels discussing recent research data on qualitative composition of ES pool in the brain. The role of ES alternative to glucose, e.g., lactate and ketone bodies, is examined. The hypotheses of intracellular and astrocyte-neuron lactate shuttles are discussed along with the hypotheses of astrocyte-neuron shuttle of ketone bodies, the selfish brain theory and suppositions on homeostatic versus non-homeostatic ES supply chains. In conclusion, authors argue that exogenous native ES may be used for prevention and treatment of neurodegenerative diseases.
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D001253:Astrocytes / Q000378:metabolism; D001921:Brain / Q000378:metabolism / Q000502:physiology; D004734:Energy Metabolism; D005947:Glucose / Q000378:metabolism*; D006706:Homeostasis / Q000502:physiology; D006801:Humans; D007657:Ketone Bodies / Q000378:metabolism*; D019344:Lactic Acid / Q000378:metabolism*; D009457:Neuroglia / Q000378:metabolism* / Q000502:physiology; D009474:Neurons / Q000378:metabolism* / Q000502:physiology
D007657:Ketone Bodies; D019344:Lactic Acid; D005947:Glucose