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KMID : 1034820080040010022
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Molecular & Cellular Toxicology
2008 Volume.4 No. 1 p.22 ~ p.30
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Identification of Differentially Expressed Genes (DEGs) by Malachite Green in HepG2 Cells
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Kim Youn-Jung
Song Mee
Ryu Jae-Chun
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Abstract
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Malachite Green (MG), a toxic chemical used as a dye, topical antiseptic and antifungal agent for fish, is highly soluble in water, cytotoxic to various mammalian cells and also acts as a liver tumor promoter. In view of its industrial importance and possible exposure to human beings, MG possesses a potential environmental health hazard. So, we performed with HepG2, a human hepatocellular carcinoma cell line, to identify the differentially expressed genes (DEGs) related to toxicity of MG. And we compared gene expression between control and MG treatment to identify genes that are specifically or predominantly expressed by employing annealing control primer (ACP)-based method. The cytotoxicity of MG was determined above the in HepG2 cell for 48 h treatment. And the DEGs of MG were identified that 5 out of 6 DEGs were upregulated and 1 out of 6 DEGs was down-regulated by MG. Also, MG induced late apoptosis and necrosis in a dose dependent in flow cytometric analysis. Through further investigation, we will identify more meaningful and useful DEGs on MG, and then can get the information on mechanism and pathway associated with toxicity of MG.
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KEYWORD
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Malachite green, GeneFishing, Differentially expressed genes (DEGs), Apoptosis
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