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题目:: Conversion of murine extraembryonic trophoblast stem cells into induced pluripotent stem cells
ID:
状态:: 发布时间Feb. 1, 2011
物种:: Mus musculus
摘要:: Extraembryonic trophoblast stem cells (TSC) can be converted to induced pluripotent stem cells (TSC-iPSCs) by overexpressing Oct4, Sox2, Klf4 and cMyc. TSC lines were derived from mice harboring a doxycycline inducible Oct4 allele and an Oct4-GFP reporter that has been demonstrated to be activated in cells upon acquisition of pluripotency. Oct4-GFP-positive blastocysts were collected at 3.5 dpc and transduced with lentiviruses encoding doxycycline inducible Sox2, Klf4 and cMyc transgenes (4FTSC). 4FTSC lines were passaged 10 times to establish a population of constantly growing, self-renewing TSCs in the presence of FGF4 and fibroblast conditioned media. To induce lineage conversion, 4FTSCs were cultured under ESC/Lif conditions and doxycycline. After 28 days, several colonies displaying ESC-characteristic dome-shaped colony morphology and bright Oct4-GFP fluorescence could be detected. The 4FTSC-derived colonies were isolated mechanically, dissociated by trypsinization, and plated onto MEFs in ESC medium without doxycycline demonstrating the independence of exogenous factors. They will be called TSC-iPSCs (Trophoblast stem cell derived induced pluripotent stem cells). To examine if the extraembryonic lineage-specific mRNA profile was overcome, the gene-expression profiles of TSC-iPSCs and their parental 4FTSCs were analyzed by microarray analyses and compared to control ESCs.
实验种类:: transcription profiling by array
样本量:: 4
实验设计:
: 无设计数据
数据号:: E-GEOD-25872, GSE25872
数据状态:: 无法自动分析，您可以尝试手动分析数据。

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