Journal
AUTOPHAGY
Volume 18, Issue 3, Pages 471-472Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15548627.2022.2039524
Keywords
Aging; autophagy; circadian rhythm; lifespan; time-restricted feeding
Categories
Funding
- National Institute of General Medical Sciences [GM131919]
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Macroautophagy/autophagy plays a crucial role in aging and age-related diseases. A recent study showed that a newly designed dietary regimen, called intermittent time-restricted feeding (iTRF), can extend the healthspan and lifespan of flies through the circadian rhythm-dependent activation of autophagy. Specifically, the induction of autophagy during the night is both necessary and sufficient for the health benefits of iTRF. This study suggests that novel interventions promoting night-specific autophagy could be used to promote healthy aging.
Macroautophagy/autophagy plays crucial roles in aging and the pathogenesis of age-related diseases. Studies in various animal models demonstrate the conserved requirement for autophagy-related genes in multiple anti-aging interventions. A recent study from the Shirasu-Hiza lab showed that a newly designed intermittent time-restricted feeding (iTRF) dietary regimen can robustly extend fly healthspan and lifespan through circadian rhythm-dependent activation of autophagy. The night-specific induction of autophagy is both necessary and sufficient for iTRF-mediated health benefits. The study provides the intriguing possibility that novel behavioral or pharmaceutical interventions that promote night-specific autophagy can be used to promote healthy aging.
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