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KMID : 0370220120560010035
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Yakhak Hoeji
2012 Volume.56 No. 1 p.35 ~ p.41
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Sensitization of TRAIL-resistant SK-Hep1 Human Hepatocellular Carcinoma Cells by Luteolin
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Kim Eun-Young
Kim An-Keun
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Abstract
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In this study, we examined the effect of luteolin to enhance TRAIL-induced anticancer effect in SK-Hep1 cells. We found that combined use of TRAIL with luteolin markedly enhanced the cytotoxicity compared to either agent alone by inducing apoptosis. Furthermore, combined treatment of TRAIL with luteolin significantly induced activation of death receptor pathway-related proteins as well as PARP-cleavage and activation of effector caspases. Also, our result indicated that upregulation of DR4 and DR5 by luteolin combination may contribute to enhanced susceptibility of SK-Hep1 cells to TRAIL.
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KEYWORD
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TRAIL, luteolin, apoptosis, death receptors
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