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A Ketogenic Diet Extends Longevity and Healthspan in Adult Mice

ketogenic diet longevity

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#1 Chupo

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Posted 06 September 2017 - 12:55 AM


Highlights
  • A low-carbohydrate, ketogenic diet extends longevity in adult male mice

  • Motor function, memory, and muscle mass are preserved in aged ketogenic mice

  • Protein acetylation is increased in the liver and skeletal muscle of ketogenic mice

  Summary

Calorie restriction, without malnutrition, has been shown to increase lifespan and is associated with a shift away from glycolysis toward beta-oxidation. The objective of this study was to mimic this metabolic shift using low-carbohydrate diets and to determine the influence of these diets on longevity and healthspan in mice. C57BL/6 mice were assigned to a ketogenic, low-carbohydrate, or control diet at 12 months of age and were either allowed to live their natural lifespan or tested for physiological function after 1 or 14 months of dietary intervention. The ketogenic diet (KD) significantly increased median lifespan and survival compared to controls. In aged mice, only those consuming a KD displayed preservation of physiological function. The KD increased protein acetylation levels and regulated mTORC1 signaling in a tissue-dependent manner. This study demonstrates that a KD extends longevity and healthspan in mice.

 

 

http://www.cell.com/...4131(17)30490-4


Edited by Chupo, 06 September 2017 - 01:34 AM.






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