Metabolic and Signaling Roles of Ketone Bodies in Health and Disease.

Patrycja Puchalska, Peter A Crawford

Annual review of nutrition 2021 Oct 11

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Ketone bodies play significant roles in organismal energy homeostasis, serving as oxidative fuels, modulators of redox potential, lipogenic precursors, and signals, primarily during states of low carbohydrate availability. Efforts to enhance wellness and ameliorate disease via nutritional, chronobiological, and pharmacological interventions have markedly intensified interest in ketone body metabolism. The two ketone body redox partners, acetoacetate and D-β-hydroxybutyrate, serve distinct metabolic and signaling roles in biological systems. We discuss the pleiotropic roles played by both of these ketones in health and disease. While enthusiasm is warranted, prudent procession through therapeutic applications of ketogenic and ketone therapies is also advised, as a range of metabolic and signaling consequences continue to emerge. Organ-specific and cell-type-specific effects of ketone bodies are important to consider as prospective therapeutic and wellness applications increase.

Citation

Patrycja Puchalska, Peter A Crawford. Metabolic and Signaling Roles of Ketone Bodies in Health and Disease. Annual review of nutrition. 2021 Oct 11;41:49-77