نتایج جستجو برای: pluripotency
تعداد نتایج: 5192 فیلتر نتایج به سال:
1. Abstract 2. Introduction / Function of Lineage in Development 3. Emergence of Pluripotency 3.1. Teratoma formation 3.2. Pluripotency in developing embryos 3.3. Embryonic Stem Cells 4. Factors Associated with Pluripotency 4.1. Extrinsic stimuli 4.2. Intrinsic transcription factor network 4.3. Epigenetic controls 4.3.1. Cell cycle progression 4.3.2. Chromatin modification 5. Role of Pluripoten...
Pluripotency represents a cell state comprising a fine-tuned pattern of transcription factor activity required for embryonic stem cell (ESC) self-renewal. TBX3 is the earliest expressed member of the T-box transcription factor family and is involved in maintenance and induction of pluripotency. Hence, TBX3 is believed to be a key member of the pluripotency circuitry, with loss of TBX3 coincidin...
The COP9 signalosome has been implicated in pluripotency maintenance of human embryonic stem cells. Yet, the mechanism for the COP9 signalosome to regulate pluripotency remains elusive. Through knocking down individual COP9 subunits, we demonstrate that Cops2, but not the whole COP9 signalosome, is essential for pluripotency maintenance in mouse embryonic stem cells. Down-regulation of Cops2 le...
The transcription factors Nanog and Oct4 regulate pluripotency in the pre-implantation epiblast and in derivative embryonic stem cells. During post-implantation development, the precise timing and mechanism of the loss of pluripotency is unknown. Here, we show that in the mouse, pluripotency is extinguished at the onset of somitogenesis, coincident with reduced expression and chromatin accessib...
Pluripotency transcription programs by core transcription factors (CTFs) might be reset during M/G1 transition to maintain the pluripotency of embryonic stem cells (ESCs). However, little is known about how CTFs are governed during cell cycle progression. Here, we demonstrate that the regulation of Oct4 by Aurora kinase b (Aurkb)/protein phosphatase 1 (PP1) during the cell cycle is important fo...
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