FoundMyFitness
Promoting strategies to increase healthspan, well-being, cognitive and physical performance through deeper understandings of biology.

  
Publisher
Rhonda Patrick, Ph.D.
Website
http://www.foundmyfitness.com/
Genre
Fitness & Nutrition   Podcasts   Health   Science & Medicine   Sports & Recreation   Medicine  
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Latest Episode
You can check more episode on Publisher's website

Title
Dr. Eric Verdin on Ketogenic Diet Longevity, Beta-Hydroxybutyrate & HDAC Inhibitors
Description

Eric M. Verdin, M.D. is the fifth president and chief executive officer of the Buck Institute for Research on Aging and is a professor of Medicine at UCSF. Dr. Verdin's laboratory focuses on the role of epigenetic regulators in the aging process, the role of metabolism and diet in aging and on the chronic diseases of aging, including Alzheimer’s, proteins that play a central role in linking caloric restriction to increased healthspan, and more recently a topic near and dear to many of you, ketogenesis. He's held faculty positions at the University of Brussels, the NIH and the Picower Institute for Medical Research.

In this episode, we discuss...

  • The effects of a low protein, cyclic ketogenic diet beginning in midlife (12 months of age) in male mice. The result? Increased healthspan and improved memory. Dr. Verdin explains how the cyclic ketogenic diet decreased insulin, IGF-1, and mTOR signaling and decreased fatty acid synthesis, and increased PPAR-alpha (which promotes beta-oxidation and mitochondrial biogenesis in muscle).
  • How this diet is somewhat qualitatively similar to fasting.
  • Some of the possible reasons why the cyclic ketogenic diet created such a striking improvement in memory even when compared to younger mice.
  • How beta-hydroxybutyrate, which is the major circulating ketone body during fasting and nutritional ketosis, may, in addition to being an energy source, regulate inflammation and gene expression by acting as a signaling molecule by inhibiting what are known as class 1 histone deacetylases (HDACs).
  • How this inhibition of class 1 HDACs leads to the increased expression of notorious longevity gene Foxo3, which may help explain why mice given an exogenous beta-hydroxybutyrate ester had lower markers of inflammation and oxidative damage, which are physiological contributors to the aging process.
  • The role of the nicotinamide adenine dinucleotide (NAD+) in the aging process and how replacing declining levels (or preventing them from declining in the first place) may prove to be an important anti-aging strategy.
  • Some of the reasons why NAD+ might be declining with age, its role in DNA damage repair via an enzyme known as PARP, and what the literature says about the NAD+ precursor nicotinamide riboside.
  • How a special class of enzymes called sirtuins, also known to be activated by caloric restriction and caloric restriction mimetic resveratrol, is tightly correlated with the level of NAD+ and how this "energetic currency" rises in response to fasting.
  • The role of the sirtuin enzymes in regulating mitochondrial function, neuronal functions, stem cell rejuvenation and why they may be important in delaying the aging process.

Grab the full show notes, timeline & glossary from the episode page now.

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Published
2017-12-13 06:02:12 UTC
http://www.foundmyfitness.com/


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