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논문 기본 정보

자료유형
학술저널
저자정보
Min Ji Bak (Inje University) Van-Long Truong (Inje University) Se-Yeon Ko (Inje University) Xuan Ngan Giang Nguyen (Inje University) Mira Jun (Dong-A University) Soon-Gi Hong (Korea Ginseng) Jong-Won Lee (Korea Ginseng) Woo-Sik Jeong (Inje University)
저널정보
고려인삼학회 Journal of Ginseng Research Journal of Ginseng Research Vol.40 No.4
발행연도
2016.10
수록면
423 - 430 (8page)

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초록· 키워드

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Background: The induction of cellular defensive genes such as phase II detoxifying and antioxidant enzymes is a highly effective strategy for protection against carcinogenesis as well as slowing cancer development. Transcription factor Nrf2 (nuclear factor E2-related factor 2) is responsible for activation of phase II enzymes induced by natural chemopreventive compounds.
Methods: Red ginseng oil (RGO) was extracted using a supercritical CO₂ extraction system and chemical profile of RGO was investigated by GC/MS. Effects of RGO on regulation of the Nrf2/antioxidant response element (ARE) pathway were determined by AREeluciferase assay, western blotting, and confocal microscopy.
Results: The predominant components of RGO were 9,12-octadecadienoic acid (31.48%), bicyclo[10.1.0] tridec-1-ene (22.54%), and 22,23-dihydrostigmasterol (16.90%). RGO treatment significantly increased nuclear translocation of Nrf2 as well as ARE reporter gene activity, leading to upregulation of heme oxygenase-1 and NAD(P)H:quinone oxidoreductase 1. Phosphorylation of the upstream kinases such as apoptosis signal-regulating kinase (ASK)1, mitogen-activated protein kinase (MAPK) kinase (MKK)4/7, c-Jun N-terminal kinase (JNK), and p38 MAPK were enhanced by treatment with RGO. In addition, RGO-mediated Nrf2 expression and nuclear translocation was attenuated by JNK inhibitor SP600125 and p38 MAPK inhibitor SB202190.
Conclusion: RGO could be used as a potential chemopreventive agent, possibly by induction of Nrf2/ARE-mediated phase II enzymes via ASK1eMKK4/7eJNK and p38 MAPK signaling pathways.

목차

ABSTRACT
1. Introduction
2. Materials and methods
3. Results
4. Discussion
References

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UCI(KEPA) : I410-ECN-0101-2018-524-001598567