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Gene expression signatures after ethanol exposure in differentiating embryoid bodies

Title
Gene expression signatures after ethanol exposure in differentiating embryoid bodies
Author
채영규
Keywords
Ethanol; Neural differentiation; Gene expression; Transcription factors; DNA transcription; Post-translational modification
Issue Date
2018-02
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
TOXICOLOGY IN VITRO, v. 46, page. 66-76
Abstract
During the differentiation process, various epigenetic factors regulate the precise expression of important genes and control cellular fate. During this stage, the differentiating cells become vulnerable to external stimuli. Here, we used an early neural differentiation model to observe ethanol-mediated transcriptional alterations. Our objective was to identify important molecular regulators of ethanol-related alterations in the genome during differentiation. A transcriptomic analysis was performed to profile the mRNA expression in differentiating embryoid bodies with or without ethanol treatment. In total, 147 differentially expressed genes were identified in response to 50 mM ethanol. Of these differentially expressed genes, 78 genes were up-regulated and 69 genes were down-regulated. Our analysis revealed a strong association among the transcript signatures of the important modulators which were involved in protein modification, protein synthesis and gene expression. Additionally, ethanol-mediated activation of DNA transcription was observed. We also profiled ethanol-responsive transcription factors (TFs), upstream transcriptional regulators and TF-binding motifs in the differentiating embryoid bodies. In this study, we established a platform that we hope will help other researchers determine the ethanol-mediated changes that occur during cellular differentiation.
URI
https://www.sciencedirect.com/science/article/pii/S0887233317302862?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/117565
ISSN
0887-2333
DOI
10.1016/j.tiv.2017.10.004
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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