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The embryonic stem (ES) cell transcriptional and chromatin-modifying networks are critical for self-renewal maintenance. However, it remains unclear whether these networks functionally interact and, if so, what factors mediate such interactions. Here, we show that WD repeat domain 5 (Wdr5), a core member of the mammalian Trithorax (trxG) complex, positively(More)
Quiescent Chinese hamster ovary cells, as well as three other types of quiescent cells, synthesize histone at a reduced but significant rate. The variant patterns of the histone synthesis in quiescent, S-phase and G1-phase and G2-phase cells ali differed from each other. H3.3 was the only H3 variant synthesized in quiescent and in G1 and G2 cells. All four(More)
How cell fate decisions of stem and progenitor cells are regulated by their microenvironment or niche is a central question in stem cell and regenerative biology. Although functional analysis of hair follicle epithelial stem cells by gene targeting is well established, the molecular and genetic characterization of the dermal counterpart during embryonic(More)
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