Protective Effect of Emodin against Hyperthermia-induced Stress in Hepatic Cells of Grass Carp, Ctenopharyngodon idellus

文献类型： 外文期刊

第一作者： Liu, Bo

作者： Liu, Bo;Xu, Pao;Xie, Jun;Ge, Xianping;Liu, Bo;Cui, Yanting;Xu, Pao;Xie, Jun;Ge, Xianping;Brown, Paul B.;Wang, Aiming

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期刊名称：JOURNAL OF THE WORLD AQUACULTURE SOCIETY （ 影响因子：2.512； 五年影响因子：2.47 ）

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收录情况： SCI

摘要： Emodin is an anthraquinone exhibiting several positive benefits of anti-inflammatory, free radical scavenging, and resistance to stress. The goal of this study is to investigate the effects of emodin on the hepatic cell line of grass carp exposed to hyperthermic stress. Cultured cells were treated with various emodin concentrations (0, 0.04, 0.2, and 1.0 mu g/mL) at 27 C for 24 h. Then all cultured cells were exposed to thermal stress by increasing the culture temperature (32 +/- 0.5 C) for 0.5 h. Increased temperatures significantly reduced cell viability and increased lactate dehydrogenase (LDH) release in three of the four experimental groups (0, 0.2, and 1 mu g/mL emodin) compared with the control. Additionally, reactive oxygen species (ROS) were significantly higher in cells exposed to elevated temperatures and treated with 0.2 or 1 mu g/mL emodin and mitochondrial membrane potential was significantly lower in cells treated with 0, 0.2, or 1 mu g/mL emodin. Expressions of heat shock proteins (HSP60, HSP70, and HSP90) were significantly higher in all but one of the experimental groups. Our results suggest that 0.04 mu g/mL emodin can increase cell viability and HSP90 mRNA level, reduce LDH release and concentration of ROS, and contribute to enhance the resistance to high temperature stress in the hepatic cells of grass carp.

分类号： S96

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