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Article Publish Status: FREE
Abstract Title:

Pueraria montana var. lobata root extract inhibits photoaging on skin through Nrf2 pathway.

Abstract Source:

J Microbiol Biotechnol. 2019 Mar 20. Epub 2019 Mar 20. PMID: 30954034

Abstract Author(s):

Hee Sun Heo, Ga Eun Han, Junho Won, Yeonoh Cho, Hyeran Woo, Jong Hun Lee

Article Affiliation:

Hee Sun Heo

Abstract:

Pueraria montana var. lobata is a bioactive substance, in possession of a variety of beneficial health effects, which has long been extensively used as a traditional medication for the treatment of fever, acute dysentery, diabetes, and cardiovascular diseases in North-East Asian countries. The purpose of this study was to evaluate the cytoprotective activity of Pueraria montana var. lobata ethanol extract (PLE) for ultraviolet B (UVB) induced oxidative stress in human dermal fibroblasts (HDF). It was hypothesized that PLE treatment (25-100μg/mL) would reduce intracellular reactive oxygen species (ROS) levels as well as increase collagen production in UVB-irradiated HDF. The results confirmed this theory, with collagen production increasing in the PLE treatment group in a dose-dependent manner. In addition, regulators of cellular ROSaccumulation, including HO-1 and NOQ-1, were activated by Nrf2, which was mediated by PLE. Hence, intracellular levels of ROS were also reduced in the PLE treatment group in a dose-dependent manner. In conclusion, PLE increases collagen production and maintains hyaluronic acid (HA) levels in humandermal fibroblasts exposed to UVB-irradiation, thereby inhibiting photoaging.

Study Type : In Vitro Study

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