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논문 기본 정보

자료유형
학술저널
저자정보
Na-Ra Han (Kyung Hee University) Seong-Gyu Ko (Kyung Hee University) Phil-Dong Moon (Kyung Hee University) Hi-Joon Park (Kyung Hee University)
저널정보
고려인삼학회 Journal of Ginseng Research Journal of Ginseng Research Vol.45 No.5
발행연도
2021.9
수록면
610 - 616 (7page)

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초록· 키워드

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Background: Thymic stromal lymphopoietin (TSLP) acts as a master switch for inflammatory responses. Ginsenoside Rg3 (Rg3) which is an active ingredient of Panax ginseng Meyer (Araliaceae) is known to possess various therapeutic effects. However, a modulatory effect of Rg3 on TSLP expression in the inflammatory responses remains poorly understood.
Methods: We investigated antiinflammatory effects of Rg3 on an in vitro model using HMC-1 cells stimulated by PMA plus calcium ionophore (PMACI), as well as an in vivo model using PMA-induced mouse ear edema. TSLP and vascular endothelial growth factor (VEGF) levels were detected using enzyme-linked immunosorbent assay or real-time PCR analysis. Murine double minute 2 (MDM2) and hypoxia-inducible factor 1α (HIF1α) expression levels were detected using Western blot analysis.
Results: Rg3 treatment restrained the production and mRNA expression levels of TSLP and VEGF in activated HMC-1 cells. Rg3 down-regulated the MDM2 expression level increased by PMACI stimulation. The HIF1α expression level was also reduced by Rg3 in activated HMC-1 cells. In addition, Rg3-administered mice showed the decreased redness and ear thickness in PMA-irritated ear edema. Rg3 inhibited the TSLP and VEGF levels in the serum and ear tissue homogenate. Moreover, the MDM2 and HIF1α expression levels in the ear tissue homogenate were suppressed by Rg3.
Conclusion: Taken together, the current study identifies new mechanistic evidence about MDM2/HIF1a pathway in the antiinflammatory effect of Rg3, providing a new effective therapeutic strategy for the treatment of skin inflammatory diseases.

목차

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

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