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Article Publish Status: FREE
Abstract Title:

Neferine prevents ultraviolet radiation-induced skin photoaging.

Abstract Source:

Exp Ther Med. 2020 May ;19(5):3189-3196. Epub 2020 Mar 9. PMID: 32266014

Abstract Author(s):

Abidullah Khan, Hongliang Bai, Amin Khan, Zhuanli Bai

Article Affiliation:

Abidullah Khan

Abstract:

The aim of the present study was to evaluate the anti-photoaging effect of neferine upon exposure of mice to ultraviolet (UV) radiation. Anphotoaging model was established by repeatedly exposing mouse dorsal skin to UV-A and UV-B radiation for 12 weeks. Through skin photographs, hematoxylin and eosin staining, Masson's trichrome staining, and scanning and transmission electron microscopy, skin wrinkles, epidermal thickness and dermal collagen were analyzed in the UV-irradiated mouse skin. Furthermore, the levels of endogenous antioxidants, namely superoxide dismutase (SOD) and glutathione peroxidase (GPx), were measured to determine the extent of UV-induced oxidative stress that was associated with photoaging. The results demonstrated that the topical application of neferine following UV irradiation reduced oxidative stress by increasing SOD and GPx activities, and attenuated the photoaging process. Histological and ultrastructural examination revealed that neferine delayed skin wrinkle formation by inhibiting epidermal hypertrophy and collagen loss and degradation. In conclusion, the results of the present study indicated that neferine effectively prevents UV-induced skin photoaging and photodamage.

Study Type : In Vitro Study

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