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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/28517


    標題: Autophagy-Related Gene Expression Analysis of Wild-type and atg5 Gene Knockout Mouse Embryonic Fibroblast Cells Treated with Polyethylenimine
    作者: Lin, Chia-Wei
    Jan, Ming-Shiou
    Kuo, Jung-Hua Steven
    貢獻者: 藥學系
    關鍵字: polyethylenimine (PEI)
    autophagy
    apoptosis
    necrosis
    PCR array
    日期: 2014-09
    上傳時間: 2015-05-06 21:19:08 (UTC+8)
    出版者: Amer Chemical Soc
    摘要: The molecular mechanisms of autophagy in polyethylenimine (PEI)-treated cells are not well understood because of the use of nonspecific autophagy inhibitors Here, we applied autophagy-related gene expression analysis to pinpoint the molecular mechanisms of autophagy in PEI-treated wild type and atg5 gene knockout (atg5(-/-)) mouse embryonic fibroblast (MEF) cells It was demonstrated that the majority of induced genes are downregulated in wild type and atg5(-/-) MEF cells, indicating that autophagy exhibits a toward downregulation after treatment with PEI. In addition to regulating genes encoding autophagy machinery components, genes related to coregulation of autophagy and apoptosis were induced in wild-type and atg5(-/-) cells treated with PEI. These data indicate that autophagy and apoptosis are closely related in the PEI-induced mechanism of cell death. In the absence of autophagy, the regulation of apoptosis was enhanced in atg5(-/-) MEF cells treated with PEI, indicating that inhibition of autophagy may lead to higher levels of apoptosis. Our study may provide deeper insight into the molecular mechanisms of cell death caused by PEI.
    Appears in Collections:[藥學系(所)] 期刊論文

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