期刊
MECHANISMS OF AGEING AND DEVELOPMENT
卷 206, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mad.2022.111707
关键词
Ageing; Oxidative stress; Environmental factors; Nutrition; Antioxidants
The process of aging is characterized by a progressive loss of tissue and organ function, with oxidative stress being a key mechanism. Modulating dietary habits and the aging process can potentially intervene in these complex events, promoting longevity.
Aging is characterized by a progressive loss of tissue and organ function due to genetic and environmental factors, nutrition, and lifestyle. Oxidative stress is one the most important mechanisms of cellular senescence and increased frailty, resulting in several age-linked, noncommunicable diseases. Contributing events include genomic instability, telomere shortening, epigenetic mechanisms, reduced proteome homeostasis, altered stemcell function, defective intercellular communication, progressive deregulation of nutrient sensing, mitochondrial dysfunction, and metabolic unbalance. These complex events and their interplay can be modulated by dietary habits and the ageing process, acting as potential measures of primary and secondary prevention. Promising nutritional approaches include the Mediterranean diet, the intake of dietary antioxidants, and the restriction of caloric intake. A comprehensive understanding of the ageing processes should promote new biomarkers of risk or diagnosis, but also beneficial treatments oriented to increase lifespan.
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