Resveratrol improves health and survival of mice on a high-calorie diet
Joseph A. Baur,Kevin J. Pearson,Nathaniel O Price,Hamish A. Jamieson,Carles Lerin,Avash Kalra,Vinayakumar Prabhu,Joanne S. Allard,Guillermo López-Lluch,Kaitlyn N. Lewis,Paul J. Pistell,Suresh Poosala,Kevin G. Becker,Olivier Boss,Dana M. Gwinn,Mingyi Wang,Sharan Ramaswamy,Kenneth W. Fishbein,Richard G. Spencer,Edward G. Lakatta,David G. Le Couteur,Reuben J. Shaw,Plácido Navas,Pere Puigserver,Donald K. Ingram,Rafael de Cabo,David A. Sinclair +26 more
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TLDR
It is shown that resveratrol shifts the physiology of middle-aged mice on a high-calorie diet towards that of mice onA standard diet and significantly increases their survival and point to new approaches for treating obesity-related disorders and diseases of ageing.Abstract:
Resveratrol (3,5,49-trihydroxystilbene) extends the lifespan of diverse species including Saccharomyces cerevisiae, Caenorhabditis elegans and Drosophila melanogaster. In these organisms, lifespan extension is dependent on Sir2, a conserved deacetylase proposed to underlie the beneficial effects of caloric restriction. Here we show that resveratrol shifts the physiology of middle-aged mice on a high-calorie diet towards that of mice on a standard diet and significantly increases their survival. Resveratrol produces changes associated with longer lifespan, including increased insulin sensitivity, reduced insulin-like growth factor-1 (IGF-I) levels, increased AMP-activated protein kinase (AMPK) and peroxisome proliferator-activated receptor-c coactivator 1a (PGC-1a) activity, increased mitochondrial number, and improved motor function. Parametric analysis of gene set enrichment revealed that resveratrol opposed the effects of the high-calorie diet in 144 out of 153 significantly altered pathways. These data show that improving general health in mammals using small molecules is an attainable goal, and point to new approaches for treating obesity-related disorders and diseases of ageing.read more
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The grapevine genome sequence suggests ancestral hexaploidization in major angiosperm phyla.
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TL;DR: A high-quality draft of the genome sequence of grapevine is obtained from a highly homozygous genotype, revealing the contribution of three ancestral genomes to the grapevine haploid content and explaining the chronology of previously described whole-genome duplication events in the evolution of flowering plants.
References
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Zhidan Wu,Pere Puigserver,Ulf Andersson,Chen-Yu Zhang,Guillaume Adelmant,Vamsi K. Mootha,Amy E Troy,Saverio Cinti,Bradford B. Lowell,Richard C. Scarpulla,Bruce M. Spiegelman +10 more
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Journal ArticleDOI
Small molecule activators of sirtuins extend Saccharomyces cerevisiae lifespan
Konrad T. Howitz,Kevin J. Bitterman,Haim Y. Cohen,Dudley W. Lamming,Siva Lavu,Jason G. Wood,Robert E. Zipkin,Phuong Chung,Anne Kisielewski,Li-Li Zhang,Brandy Scherer,David A. Sinclair +11 more
TL;DR: The potent activator resveratrol, a polyphenol found in red wine, lowers the Michaelis constant of SIRT1 for both the acetylated substrate and NAD+, and increases cell survival by stimulating Sirt1-dependent deacetylation of p53.
Journal ArticleDOI
Therapeutic potential of resveratrol: the in vivo evidence.
Joseph A. Baur,David A. Sinclair +1 more
TL;DR: A comprehensive and critical review of the in vivo data on resveratrol is provided, and its potential as a therapeutic for humans is considered.
Journal ArticleDOI
Nutrient control of glucose homeostasis through a complex of PGC-1alpha and SIRT1.
Joseph T. Rodgers,Carlos Lerin,Wilhelm Haas,Steven P. Gygi,Bruce M. Spiegelman,Pere Puigserver +5 more
TL;DR: It is shown that the Sir2 homologue, SIRT1 controls the gluconeogenic/glycolytic pathways in liver in response to fasting signals through the transcriptional coactivator PGC-1α, and this findings have strong implications for the basic pathways of energy homeostasis, diabetes and lifespan.