期刊
CURRENT OPINION IN GASTROENTEROLOGY
卷 25, 期 2, 页码 144-150出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MOG.0b013e32831ef1ba
关键词
aging; calorie restriction; physical exercise; prevention
资金
- NIH [RR00036]
- Istituto Superiore di Sanita/National Institutes of Health
- Longer Life Foundation
- Annie Appleby Charitable Trust
Purpose of the review The present review discusses the current state of knowledge regarding the effects of calorie restriction in modulating metabolism and aging. Recent findings There are currently no interventions or gene manipulations that can prevent, stop or reverse the aging process. However, there are a number of interventions that can slow down aging and prolong maximal lifespan up to 60% in experimental animals. Long-term calorie restriction without malnutrition and reduced function mutations in the insulin/IGF-1 signaling pathway are the most robust interventions known to increase maximal lifespan and healthspan in rodents. Although it is currently not known if long-term calorie restriction with adequate nutrition extends maximal lifespan in humans, we do know that long-term calorie restriction without malnutrition results in some of the same metabolic and hormonal adaptations related to longevity in calorie restriction rodents. Moreover, calorie restriction with adequate nutrition protects against obesity, type 2 diabetes, hypertension and atherosclerosis, which are leading causes of morbidity, disability and mortality. Summary More studies are needed to elucidate the molecular mechanisms underlying the beneficial effects of calorie restriction in humans and to characterize new markers of aging/longevity that can assist clinicians in predicting mortality and morbidity of the general population.
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