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논문 기본 정보

자료유형
학술저널
저자정보
Yao, Cheng Wen (School of Medicine and Institute for Nuclear Science and Technology, Jeju National University) Piao, Mei Jing (School of Medicine and Institute for Nuclear Science and Technology, Jeju National University) Kim, Ki Cheon (School of Medicine and Institute for Nuclear Science and Technology, Jeju National University) Zheng, Jian (School of Medicine and Institute for Nuclear Science and Technology, Jeju National University) Cha, Ji Won (School of Medicine and Institute for Nuclear Science and Technology, Jeju National University) Hyun, Jin Won (School of Medicine and Institute for Nuclear Science and Technology, Jeju National University)
저널정보
한국응용약물학회 Biomolecules & Therapeutics(구 응용약물학회지) Biomolecules & therapeutics 제21권 제5호
발행연도
2013.1
수록면
349 - 357 (9page)

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6'-O-galloylpaeoniflorin (GPF) is a galloylated derivate of paeoniflorin and a key chemical constituent of the peony root, a perennial flowering plant that is widely used as an herbal medicine in East Asia. This study is the first investigation of the cytoprotective effects of GPF against hydrogen peroxide ($H_2O_2$)-induced cell injury and death in human HaCaT keratinocytes. GPF demonstrated a significant scavenging capacity against the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical, $H_2O_2$-generated intracellular reactive oxygen species (ROS), the superoxide anion radical ($O_2^-$), and the hydroxyl radical (${\cdot}$OH). GPF also safeguarded HaCaT keratinocytes against $H_2O_2$-provoked apoptotic cell death and attenuated oxidative macromolecular damage to DNA, lipids, and proteins. The compound exerted its cytoprotective actions in keratinocytes at least in part by decreasing the number of DNA strand breaks, the levels of 8-isoprostane (a stable end-product of lipid peroxidation), and the formation of carbonylated protein species. Taken together, these results indicate that GPF may be developed as a cytoprotector against ROS-mediated oxidative stress.

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