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Hederagenin Supplementation Alleviates the Pro-Inflammatory and Apoptotic Response to Alcohol in Rats

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Division of Food Bioscience, Konkuk University, Chunju 27478, Korea
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Department of Food Science and Technology, Seoul National University of Science & Technology, Seoul 01811, Korea
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Department of Advanced Materials Engineering, Daejeon University, Daejeon 34520, Korea
*
Author to whom correspondence should be addressed.
Nutrients 2017, 9(1), 41; https://doi.org/10.3390/nu9010041
Received: 26 October 2016 / Revised: 27 December 2016 / Accepted: 28 December 2016 / Published: 6 January 2017
In this study, we determined the effects of hederagenin isolated from Akebia quinata fruit on alcohol-induced hepatotoxicity in rats. Specifically, we investigated the hepatoprotective, anti-inflammatory, and anti-apoptotic effects of hederagenin, as well as the role of AKT and mitogen-activated protein kinase (MAPK) signaling pathways in ethanol-induced liver injury. Experimental animals were randomly divided into three groups: normal (sham), 25% ethanol, and 25% ethanol + hederagenin (50 mg/kg/day). Each group was orally administered the respective treatments once per day for 21 days. Acetaldehyde dehydrogenase-2 mRNA expression was higher and alcohol dehydrogenase mRNA expression was lower in the ethanol + hederagenin group than those in the ethanol group. Pro-inflammatory cytokines, including TNF-α, IL-6, and cyclooxygenase-2, significantly increased in the ethanol group, but these increases were attenuated by hederagenin. Moreover, Western blot analysis showed increased expression of the apoptosis-associated protein, Bcl-2, and decreased expression of Bax and p53 after treatment with hederagenin. Hederagenin treatment attenuated ethanol-induced increases in activated p38 MAPK and increased the levels of phosphorylated AKT and ERK. Hederagenin alleviated ethanol-induced liver damage through anti-inflammatory and anti-apoptotic activities. These results suggest that hederagenin is a potential candidate for preventing alcoholic liver injury. View Full-Text
Keywords: alcohol; hederagenin; liver disease; ALDH2; inflammatory; apoptosis alcohol; hederagenin; liver disease; ALDH2; inflammatory; apoptosis
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Kim, G.-J.; Song, D.H.; Yoo, H.S.; Chung, K.-H.; Lee, K.J.; An, J.H. Hederagenin Supplementation Alleviates the Pro-Inflammatory and Apoptotic Response to Alcohol in Rats. Nutrients 2017, 9, 41.

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