Abstract
As the molecular mechanisms of biological aging become better understood, there is growing interest in identifying interventions that target those mechanisms to promote extended health and longevity. The budding yeast Saccharomyces cerevisiae has served as a premier model organism for identifying genetic and molecular factors that modulate cellular aging and is a powerful system in which to evaluate candidate longevity interventions. Here we screened a collection of natural products and natural product mixtures for effects on the growth rate, mTOR-mediated growth inhibition, and replicative lifespan. No mTOR inhibitory activity was detected, but several of the treatments affected growth rate and lifespan. The strongest lifespan shortening effects were observed for green tea extract and berberine. The most robust lifespan extension was detected from an extract of Pterocarpus marsupium and another mixture containing Pterocarpus marsupium extract. These findings illustrate the utility of the yeast system for longevity intervention discovery and identify Pterocarpus marsupium extract as a potentially fruitful longevity intervention for testing in higher eukaryotes.
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23 March 2022
A Correction to this paper has been published: https://doi.org/10.1007/s11357-022-00544-0
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Funding
This work was supported by the University of Washington Nathan Shock Center of Excellence in the Basic Biology of Aging Invertebrate Longevity and Healthspan Core (NIH P30AG013280) and a grant to MK from USANA Health Sciences. M.B.L. was supported by the National Institutes of Health (NIH) Alzheimer’s Disease Training Program (NIH T32 AG052354), the Howard Hughes Medical Institute (HHMI) Gilliam Fellowship for Advanced Study, the NIH Cellular and Molecular Biology training grant (NIH T32 GM727039), and the University of Washington Graduate Opportunities and Minority Achievement Program (UW GO-MAP) Bank of America Fellowship. M.G.K. was supported by NIH award R01AG056359 and the Biological Mechanisms of Healthy Aging Training Program (NIH T32 AG066574). D.P. was supported in part by NIH award R01AG049494.
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Lee, M.B., Kiflezghi, M.G., Tsuchiya, M. et al. Pterocarpus marsupium extract extends replicative lifespan in budding yeast. GeroScience 43, 2595–2609 (2021). https://doi.org/10.1007/s11357-021-00418-x
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DOI: https://doi.org/10.1007/s11357-021-00418-x