Nan Zhao, Xin Nie, Yizhen Yan, Zhao Liu, Xueqing Chen, Peng Shu, Jiangming Zhong
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α-arbutin prevents UVA-induced skin photodamage via alleviating DNA damage and collagen degradation in NIH-3T3 cells
Ultraviolet radiation (UV) causes certain side effects to the skin, and their accumulation to a certain extent can lead to accelerated aging of the skin. Recent studies suggest that α-arbutin may be useful in various disorders such as hyperpigmentation disorders, wound healing, and antioxidant activity. However, the role of α-arbutin in skin photodamage is unclear. In this study, under UVA-induced photodamage conditions, α-arbutin treated mouse skin fibroblasts (NIH-3T3) can repair DNA damage and resist apoptosis by reducing the production of reactive oxygen species (ROS) and increasing the phosphorylation of glycogen synthase kinase 3 beta (GSK3β) to orchestra AKT/GSK3β pathway. Meanwhile, α-arbutin can also regulate collagen metabolism and facilitate the replenishment of collagen by targeting the phosphorylation of SMAD3 to mediate the TGFβ/SMAD pathway in NIH-3T3. In conclusion, we found that α-arbutin can mitigate the detrimental effects of skin photodamage induced by UVA irradiation, and provides a theoretical basis for the use of α-arbutin in the treatment of skin photodamage.
期刊介绍:
The Journal of Photochemistry and Photobiology B: Biology provides a forum for the publication of papers relating to the various aspects of photobiology, as well as a means for communication in this multidisciplinary field.
The scope includes:
- Bioluminescence
- Chronobiology
- DNA repair
- Environmental photobiology
- Nanotechnology in photobiology
- Photocarcinogenesis
- Photochemistry of biomolecules
- Photodynamic therapy
- Photomedicine
- Photomorphogenesis
- Photomovement
- Photoreception
- Photosensitization
- Photosynthesis
- Phototechnology
- Spectroscopy of biological systems
- UV and visible radiation effects and vision.