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Shedding Light on the Effects of Calorie Restriction and Its Mimetics on Skin Biology

Department of Biopharmaceutical Engineering, Division of Chemistry and Biotechnology, Dongguk University, Gyeongju 38066, Korea
Nutrients 2020, 12(5), 1529; https://doi.org/10.3390/nu12051529
Received: 6 May 2020 / Revised: 20 May 2020 / Accepted: 22 May 2020 / Published: 24 May 2020
During the aging process of an organism, the skin gradually loses its structural and functional characteristics. The skin becomes more fragile and vulnerable to damage, which may contribute to age-related diseases and even death. Skin aging is aggravated by the fact that the skin is in direct contact with extrinsic factors, such as ultraviolet irradiation. While calorie restriction (CR) is the most effective intervention to extend the lifespan of organisms and prevent age-related disorders, its effects on cutaneous aging and disorders are poorly understood. This review discusses the effects of CR and its alternative dietary intake on skin biology, with a focus on skin aging. CR structurally and functionally affects most of the skin and has been reported to rescue both age-related and photo-induced changes. The anti-inflammatory, anti-oxidative, stem cell maintenance, and metabolic activities of CR contribute to its beneficial effects on the skin. To the best of the author’s knowledge, the effects of fasting or a specific nutrient-restricted diet on skin aging have not been evaluated; these strategies offer benefits in wound healing and inflammatory skin diseases. In addition, well-known CR mimetics, including resveratrol, metformin, rapamycin, and peroxisome proliferator-activated receptor agonists, show CR-like prevention against skin aging. An overview of the role of CR in skin biology will provide valuable insights that would eventually lead to improvements in skin health. View Full-Text
Keywords: skin aging; calorie restriction; intermittent fasting; CR mimetic; photoaging; skin appendages skin aging; calorie restriction; intermittent fasting; CR mimetic; photoaging; skin appendages
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Choi, Y.J. Shedding Light on the Effects of Calorie Restriction and Its Mimetics on Skin Biology. Nutrients 2020, 12, 1529.

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