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KMID : 0605620070140020115
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Journal of Korean Society of Biological Psychiatry
2007 Volume.14 No. 2 p.115 ~ p.121
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Microarray Analysis of Gene Expression in Rat Glioma after Ethanol Treatment
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Lee So-Hee
Oh Dong-Yul
Han Jin-Hee
Choi Ihn-Geun
Jeon Yang-Whan
Lee Joon-Noh
Lee Tae-Kyung
Jeong Jong-Hyun
Jung Kyoung-Hwa
Chai Young-Gyu
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Abstract
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Objectives: Identification of target genes for ethanol in neurons is important for understanding its molecular and cellular mechanism of action and the neuropathological changes seen in alcoholics. The purpose of this study is to identify of altered gene expression after acute treatmet of ethanol in rat gliom cells.
Methods: We used high density cDNA microarray chip to measure the expression patterns of multiple genes in cultured rat glioma cells. DNA microarrays allow for the simultaneous measurement of the expression of several hundreds of genes.
Results : After comparing hybridized signals between control and ethanol treated groups, we found that treatment with ethanol increased the expression of 15 genes and decreased the expression of 12 genes. Upregulated genes included Orthodenticle(Drosophila) homolog 1, procollagen type II, adenosine A2a receptor, GATA-bindning protein 2. Downregulated genes included diacylglycerol kinase beta, PRKC, Protein phosphatase 1, clathrin-associated protein 17, nucleoporin p58, proteasome.
Conclusion : The gene changes noted were those related to the regulation of transcription, signal transduction, second messenger systems. modulation of ischemic brain injury, and neurodengeneration.Although some of the genes were previously known to be ethanol responsive, we have for the most part identified novel genes involved in the brain response to ethanol.
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KEYWORD
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DNA microarray, Ethanol, Brain, Gene expression, Rat glioma
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