期刊
AGEING RESEARCH REVIEWS
卷 66, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.arr.2020.101240
关键词
Aging; Autophagy; Hormesis; Phytochemicals; Polysaccharides
资金
- Primordia Institute of New Sciences and Medicine [MOST109-2311-B-182-001-MY2, MOST109-2635-B-182-003]
- Ministry of Science and Technology of Taiwan
This article explores the mechanisms of action and molecular targets of CR mimetics and anti-aging compounds, emphasizing the importance of the hormesis concept in this field. The research focuses on delaying aging and treating chronic diseases, providing new insights for exploring novel health therapies.
Caloric restriction (CR) mimetics are molecules that produce beneficial effects on health and longevity in model organisms and humans, without the challenges of maintaining a CR diet. Conventional CR mimetics such as metformin, rapamycin and spermidine activate autophagy, leading to recycling of cellular components and improvement of physiological function. We review here novel CR mimetics and anti-aging compounds, such as 4,4'-dimethoxychalcone, fungal polysaccharides, inorganic nitrate, and trientine, highlighting their possible molecular targets and mechanisms of action. The activity of these compounds can be understood within the context of hormesis, a biphasic dose response that involves beneficial effects at low or moderate doses and toxic effects at high doses. The concept of hormesis has widespread implications for the identification of CR mimetics in experimental assays, testing in clinical trials, and use in healthy humans. We also discuss the promises and limitations of CR mimetics and anti-aging molecules for delaying aging and treating chronic diseases.
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