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A Ketogenic Diet Extends Longevity and Healthspan in Adult Mice

机译:酮类饮食在成人小鼠中延长了寿命和卫生刺

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摘要

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.
机译:已经显示出营养不良的卡路里限制增加了寿命,并且与远离糖酵解朝向β-氧化的转变有关。 本研究的目的是使用低碳水化合物饮食模仿这种代谢转变,并确定这些饮食对小鼠寿命和卫生钢的影响。 将C57BL / 6小鼠分配给酮酮,低碳水化合物或在12个月的膳食干预后允许过生物寿命或在生理功能上进行测试,或者在生理功能上进行测试。 与对照相比,酮味饮食(KD)显着增加了中位数寿命和生存率。 在老年的小鼠中,只有那些消耗KD的那些表现出生理功能的保存。 KD以组织依赖性方式增加蛋白质乙酰化水平并调节MTORC1信号传导。 本研究表明,KD在小鼠中延长了寿命和卫生钢。

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