Circadian alignment of early onset caloric restriction promotes longevity in male C57BL/6J mice.

Circadian alignment of early onset caloric restriction promotes longevity in male C57BL/6J mice.
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DOI:
10.1126/science.abk0297
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发表时间:
2022-06-10
期刊:
影响因子:
56.9
通讯作者:
Takahashi, Joseph S.
Takahashi, Joseph S.
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Acosta-Rodriguez, Victoria;Rijo-Ferreira, Filipa;Izumo, Mariko;Xu, Pin;Wight-Carter, Mary;Green, Carla B.;Takahashi, Joseph S.

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热量限制(CR)延长寿命,但其机制仍然知之甚少。在CR下,小鼠自我施加2小时喂养和22小时禁食的慢性周期,提出了卡路里,禁食或一天中的时间是否是因果关系的问题。我们表明,30%-CR足以延长寿命10%;然而,每日禁食间隔和昼夜节律一致的喂养共同作用,使雄性C57 BL/6 J小鼠的寿命延长35%。这些影响与体重无关。衰老诱导与炎症相关的基因表达的广泛增加,以及自由进食小鼠肝脏中代谢途径编码基因表达的减少。夜间CR改善了这些与衰老相关的变化。因此,昼夜节律干预可以促进长寿,并为进一步探索衰老机制提供了视角。夜间定时限制热量可以延长寿命。
Caloric restriction (CR) prolongs lifespan, yet the mechanisms by which it does so remain poorly understood. Under CR, mice self-impose chronic cycles of 2-hour-feeding and 22-hour-fasting, raising the question whether calories, fasting, or time of day are causal. We show that 30%-CR is sufficient to extend lifespan 10%; however, a daily fasting interval and circadian-alignment of feeding act together to extend lifespan 35% in male C57BL/6J mice. These effects are independent of body weight. Aging induces widespread increases in gene expression associated with inflammation and decreases in expression of genes encoding components of metabolic pathways in liver from ad lib fed mice. CR at night ameliorates these aging-related changes. Thus, circadian interventions promote longevity and provide a perspective to further explore mechanisms of aging. Timed caloric restriction at night enhances longevity.
昼夜节律对衰老和寿命的重要性。
DOI: 10.1038/s41467-021-22922-6
发表时间: 2021-05-17
影响因子: 16.6
作者:
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期刊: The New England journal of medicine
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昼夜节律的代谢和能量学的融合。
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发表时间: 2010-12
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