Abstract
The cytoprotective effects of 6′-O-galloylpaeoniflorin against injury and death of human HaCaT keratinocytes resulting from ultraviolet B radiation were investigated. 6′-O-galloylpaeoniflorin exhibited the capacity to scavenge intracellular reactive oxygen species (ROS) generated by ultraviolet B radiation. 6′-O-galloylpaeoniflorin also attenuated ultraviolet B-induced oxidative macromolecular damage to DNA, lipids, and proteins, decreasing the number of DNA strand breaks, the level of 8-isoprostane (a biomarker of lipid peroxidation), and the level of protein carbonylation. Moreover, 6′-O-galloylpaeoniflorin rescued HaCaT cells from ultraviolet induced cell death, by downregulating the mitochondrial apoptotic pathway. Taken together, these results indicate that 6′-O-galloylpaeoniflorin has the potential to be developed as a medical agent against ROS-mediated skin diseases.
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This research was supported by the 2014 scientific promotion program funded by Jeju National University.
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Editor: T. Okamoto
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Yao, C.W., Piao, M.J., Kim, K.C. et al. Cytoprotective effects of 6′-O-galloylpaeoniflorin against ultraviolet B radiation-induced cell damage in human keratinocytes. In Vitro Cell.Dev.Biol.-Animal 50, 664–674 (2014). https://doi.org/10.1007/s11626-014-9747-0
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DOI: https://doi.org/10.1007/s11626-014-9747-0