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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Jong-Chan (Skin research Institute, AmorePacific Corporation) Lee, Sun-Mee (College of Pharmacy, Sungkyunkwan University) Kim, Ji-Hyun (Skin research Institute, AmorePacific Corporation) Ahn, Soo-Mi (Skin research Institute, AmorePacific Corporation) Lee, Byeong-Gon (Skin research Institute, AmorePacific Corporation) Chang, Ih-Seoup (Skin research Institute, AmorePacific Corporation)
저널정보
한국응용약물학회 The journal of applied pharmacology : the official journal of the Korean Society of Applied Pharmacology The journal of applied pharmacology : the official journal of the Korean Society of Applied Pharmacology 제11권 제4호
발행연도
2003.1
수록면
224 - 231 (8page)

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The aim of this study was to investigate the effect of resveratrol on the oxidative stress-induced inhibition of gap junctional intercellular communication in HaCaT keratinocytes. Anti-oxidative activity of resveratrol was measured by $\alpha,\alpha$-diphenyl-$\beta$-picrylhydrazyl assay and dichlorodihydrofluorescein diacetate oxidation assay. Gap junctional intercellular communication in HaCaT keratinocytes was assessed using the scrape loading/dye transfer technique. Western blots and reverse transcription-polymerase chain reaction were also analyzed for connexin 43 protein and mRNA expression, respectively. Resveratrol scavenged directly the stable $\alpha,\alpha$-diphenyl-$\beta$-picrylhydrazyl radical over a concentration range of 4 mg/ml ($78.2{\pm}2.7$% of control) to 500 mg/ml ($29.9{\pm}4.2$% of control) and decreased the intracellular reactive oxygen species induced by ultraviolet A (UVA) irradiation ($89.3{\pm}1.1$% of UVA group), ultraviolet B (UVB) irradiation ($70.9{\pm}1.7$% of UVB group) and 12-0-tet-radecanoylphorbol-13-acetate (TPA, $48.3{\pm}1.1$% of TPA group), respectively. UVA irradiation and TPA markedly reduced gap junctional intercellular communication, which was restored by resveratrol. There were no significant differences in the level of connexin 43 protein and mRNA expression among any of the experimental groups. Our data suggests that resveratrol has the protective effect on the oxidative stress-induced inhibition of gap junctional intercellular communication in HaCaT keratinocytes, and this protection is likely due to the scavenging of reactive oxygen species.

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