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Role of reactive oxygen species in ultraviolet-induced photodamage of the skin
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Role of reactive oxygen species in ultraviolet-induced photodamage of the skin
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Journal Article
Role of reactive oxygen species in ultraviolet-induced photodamage of the skin
2024
Overview
Reactive oxygen species (ROS), such as superoxides (O
2
•−) and hydroxyl groups (OH·), are short-lived molecules containing unpaired electrons. Intracellular ROS are believed to be mainly produced by the mitochondria and NADPH oxidase (NOX) and can be associated with various physiological processes, such as proliferation, cell signaling, and oxygen homeostasis. In recent years, many studies have indicated that ROS play crucial roles in regulating ultraviolet (UV)-induced photodamage of the skin, including exogenous aging, which accounts for 80% of aging. However, to the best of our knowledge, the detailed signaling pathways, especially those related to the mechanisms underlying apoptosis in which ROS are involved have not been reviewed previously. In this review, we elaborate on the biological characteristics of ROS and its role in regulating UV-induced photodamage of the skin.
