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The intestinal epithelium comprises differentiated cells of four lineages maintained by precursor cells. As the Notch pathway controls the fate of proliferating cells in many systems, we investigated the effect of conditional expression of an activated Notch mutant in intestinal epithelium. An increase in the number of goblet cells occurs within 8 h of(More)
Modifications to the core histones are thought to contribute to ESC pluripotency by priming tissue-specific promoters and enhancers for later activation. However, it is unclear how these marks are targeted in ESCs and maintained during differentiation. Here, we show that the ESC factor Sox2 targets H3K4 methylation to monovalent and bivalent domains. In(More)
The antileukaemic tyrosine kinase inhibitor, imatinib, has been reported to inhibit specifically the growth of bcr-abl expressing CML progenitors at levels of 0.1-5.0 microM, by blocking the ATP-binding site of the kinase domain of bcr-abl. Inhibition of the c-abl, platelet-derived growth factor receptor and stem cell factor receptor (c-kit) tyrosine(More)
Hes6 is a member of the hairy-enhancer-of-split family of transcription factors that regulate proliferating cell fate in development and is known to be expressed in developing muscle. Here we investigate its function in myogenesis in vitro. We show that Hes6 is a direct transcriptional target of the myogenic transcription factors MyoD and Myf5, indicating(More)
HES6, a member of the hairy-enhancer-of-split family of transcription factors, plays multiple roles in myogenesis. It is a direct target of the myogenic transcription factor MyoD and has been shown to regulate the formation of the myotome in development, myoblast cell cycle exit and the organization of the actin cytoskeleton during terminal differentiation.(More)
Ikaros and Foxp1 are transcription factors that play key roles in normal lymphopoiesis and lymphoid malignancies. We describe a novel physical and functional interaction between the proteins, which requires the central zinc finger domain of Ikaros. The Ikaros-Foxp1 interaction is abolished by deletion of this region, which corresponds to the IK6 isoform(More)
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