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Anti-inflammation effect of extract from Zostera marina using UVB-induced damage on keratinocytes
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  • Journal title : The Korea Journal of Herbology
  • Volume 31, Issue 4,  2016, pp.87-91
  • Publisher : The Korea Association of Herbology
  • DOI : 10.6116/kjh.2016.31.4.87.
 Title & Authors
Anti-inflammation effect of extract from Zostera marina using UVB-induced damage on keratinocytes
Kim, Bo-Ae;
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Objectives : In order to confirm whether extracts of different parts of Zostera marina (ZM), a marine flowering plant, can be used as cosmetic ingredients, this study evaluated their cytotoxicity and cytoprotective effects against ultraviolet B (UVB). Inflammatory responses induced by UV stimuli are also associated with the aging of the skin.Methods : We investigated the effects of ZM extracts on cells through the water soluble tetrazolium salt-1(WST-1) assay for cell viability. In order to investigate the anti-inflammatory effects, we evaluated the suppression of Cyclooxygenase-2 (COX-2) expression by ZM extracts in HaCaT cells with UVB-induced damages, and also evaluated the production of Prostaglandin E2 (PGE2) in RAW 264.7 cells with LPS-induced damages.Results : High cell viabilities above 90% were observed in all types of ZM extracts, except for whole ZM extract at 0.5 mg/ml; in keratinocytes with UVB-induced damages, the cell viabilities were above 80% when treated with all types of ZM extracts. We confirmed their anti-inflammatory effects by investigating the suppression of inflammatory mediators. In keratinocytes with UVB-induced damages, COX-2 expression decreased in the experimental group treated with ZM extract. Similarly, in RAW 264.7 cells where inflammation was induced with LPS, the biosynthesis of PGE2 was inhibited.Conclusion : These results suggest that ethanol extracts from Zostera marina may have value as the potential anti-inflammatory medicinal plant. Also based on the abovementioned results, ZM extract protects skin cells from UV-induced damages, and thus can be used in topically applied products for skin protection.
Zostera marina;Ultraviolet radiation;Cytoprotective effect;Anti-inflammation;
 Cited by
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