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논문 기본 정보

자료유형
학술저널
저자정보
Eun-Hye Kim (성균관대학교) Mi-Jeong Lee (성균관대학교) In-Hye Kim (성균관대학교) Suhkneung Pyo (성균관대학교) Kwang-Tae Choi (고려인삼학회) Dong-Kwon Rhee (성균관대학교)
저널정보
고려인삼학회 Journal of Ginseng Research Journal of Ginseng Research Vol.34 No.2
발행연도
2010.6
수록면
138 - 144 (7page)

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초록· 키워드

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Ginseng (Panax ginseng C.A. Meyer) has been shown to have anti-stress effects in animal studies. However, most studies have only managed to detect altered levels of biomarkers or enzymes in blood or tissue, and the actual molecular mechanisms by which ginseng exerts these effects remain unknown. In this study, the anti-oxidative effect of Korean red ginseng (KRG) was examined in human SK-N-SH neuroblastoma cells. Incubation of SK-N-SH cells with the oxidative stressor hydrogen peroxide resulted in significant induction of cell death. In contrast, pre-treatment of cells with KRG decreased cell death significantly. To elucidate underlying mechanisms by which KRG inhibited cell death, the expression of apoptosis-related proteins was examined by Western blot analysis. KRG pre-treatment decreased the expression of the pro-apoptotic gene caspase-3, whereas it increased expression of the anti-apoptotic gene Bcl-2. Consistent with this, immunoblot analysis showed that pre-treatment of the SK-N-SH cells with KRG inhibited expression of the pro-inflammatory gene cyclooxygenase 2 (COX-2). RT-PCR analysis revealed that the repression of COX-2 expression by KRG pre-treatment occurred at the mRNA level. Taken together, our data indicate that KRG can protect against oxidative stress-induced neuronal cell death by repressing genes that mediate apoptosis and inflammation.

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INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
ACKNOWLEDGEMENTS
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2010-524-002423221