Abstract Title:

Protective effect of dieckol isolated from Ecklonia cava against ethanol caused damage in vitro and in zebrafish model.

Abstract Source:

Environ Toxicol Pharmacol. 2013 Nov ;36(3):1217-26. Epub 2013 Oct 7. PMID: 24189014

Abstract Author(s):

Min-Cheol Kang, Kil-Nam Kim, Sung-Myung Kang, Xiudong Yang, Eun-A Kim, Choon Bok Song, Jae-Woon Nah, Mi-Kyeong Jang, Jung-Suck Lee, Won-Kyo Jung, You-Jin Jeon

Article Affiliation:

Min-Cheol Kang


In the present study, the protective effects of phlorotannins isolated from Ecklonia cava against ethanol-induced cell damage and apoptosis were investigated both in vitro and in vivo. Three phlorotannin compounds, namely phloroglucinol, eckol and dieckol, were successively isolated and identified from the extract. Dieckol showed the strongest protective effect against ethanol-induced cell apoptosis in Chang liver cells, with the lowest cytotoxicity. It was observed that dieckol reduced cell apoptosis through activation of Bcl-xL and PARP, and down-regulation of Bax and caspase-3 in Western blot analyses. In the in vivo study, the protective effect of ethanol induced by dieckol was investigated in a zebrafish model. The dieckol treated group scavenged intracellural reactive oxygen species and prevented lipid peroxidation and ethanol induced cell death in the zebrafish embryo. In conclusion, dieckol isolated from E. cava might possess a potential protective effect against ethanol-induced liver diseases.

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