Here we review the environmental and genetic manipulations that link cellular and organismal metabolism to aging. In particular, we explore how nutrients are sensed and how various intracellular energy nodes seem to coordinate distinct metabolic alterations linked to extended longevity. In addition, the role of mitochondria as both a metabolic and signaling organelle is discussed. Finally, we review a host of new targeted pharmacological approaches that attempt to exploit the connection between aging and metabolism to treat a wide range of age-related diseases. Together, these insights are beginning to reveal answers to century-old mysteries and are providing a future road map for the rational extension of lifespan.
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I am grateful to members of my laboratory for their helpful suggestions, and in particular to I. Rovira for help with the manuscript. This work is supported by funds from the US National Institutes of Health Intramural Program and from The Leducq Foundation.
The author declares no competing financial interests.
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Finkel, T. The metabolic regulation of aging. Nat Med 21, 1416–1423 (2015). https://doi.org/10.1038/nm.3998
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