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Abstract Title:

Persimmon oligomeric proanthocyanidins alleviate ultraviolet B-induced skin damage by regulating oxidative stress and inflammatory responses.

Abstract Source:

Free Radic Res. 2020 Nov 9:1-12. Epub 2020 Nov 9. PMID: 33108915

Abstract Author(s):

Xin Shi, Feifei Shang, Yajie Zhang, Ruifeng Wang, Yangyang Jia, Kaikai Li

Article Affiliation:

Xin Shi

Abstract:

Skin damage can be induced by excessive ultraviolet B (UV-B) irradiation. This study aimed to investigate the potential protective activity of persimmon oligo-proanthocyanidins (P-OPC) against UV-B induced human keratinocyte cells (HaCaT cells) and skin damage and its underlying mechanismsand. P-OPC was shown to inhibit the production of intracellular reactive oxygen species (ROS) induced by UVB radiation in both HaCaT cells and mouse skin tissues by increasing the activity of the antioxidant enzyme system [superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), and glutathione (GSH)]. Furthermore, P-OPC was found to suppress cell apoptosis and the production of inflammatory cytokines, TNF-α, and IL-6. Overall, P-OPC could protect skin tissues from UV-B-induced damage by suppressing oxidant stress, acute inflammation, and cell apoptosisregulating MAPK and NF-κB signalling pathways. These results indicate the potential of P-OPC as a photochemo-protective agent against UV-B induced skin damage.

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