Role of autophagy in skin photoaging: A narrative review

As the largest organ of the human body, the skin serves as the primary barrier against external damage. The continuous increase in human activities and environmental pollution has resulted in the ongoing depletion of the ozone layer. Excessive exposure to ultraviolet (UV) radiation enhances the impa...

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Bibliographic Details
Published in:Medicine (Baltimore) 2024-02, Vol.103 (8), p.e37178
Main Authors: Zhong, Xiaojiao, Deng, Ying, Yang, Hongqiu, Du, Xiaoshuang, Liu, Ping, Du, Yu
Format: Article
Language:English
Subjects:
Aging
Autophagy
Dermatitis
Humans
Narrative Review
Skin
Skin Aging
Ultraviolet Rays - adverse effects
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Summary:As the largest organ of the human body, the skin serves as the primary barrier against external damage. The continuous increase in human activities and environmental pollution has resulted in the ongoing depletion of the ozone layer. Excessive exposure to ultraviolet (UV) radiation enhances the impact of external factors on the skin, leading to photoaging. Photoaging causes physical and psychological damage to the human body. The prevention and management of photoaging have attracted increased attention in recent years. Despite significant progress in understanding and mitigating UV-induced photoaging, the precise mechanisms through which autophagy contributes to the prevention of photoaging remain unclear. Given the important role of autophagy in repairing UV-induced DNA damage and scavenging oxidized lipids, autophagy is considered a novel strategy for preventing the occurrence of photoaging and other UV light-induced skin diseases. This review aims to elucidate the biochemical and clinical features of photoaging, the relationship of skin photoaging and chronological aging, the mechanisms underlying skin photoaging and autophagy, and the role of autophagy in skin photoaging.
ISSN:0025-7974
1536-5964
1536-5964
DOI:10.1097/MD.0000000000037178