Dataset Information


Mapping of Notch1 binding sites in a mouse immature T cell line

ABSTRACT: We used an immature mouse T cell line engineered to express a biotinylated form of the cleaved form of Notch1 (ICN1). ICN1-bound sites were precipitated with streptavidin-coated beads and subjected to ChIP-sequencing. Beko cells correspond to a spontaneous T lymphoma immature cell line derived from a TCRb deficient mouse. These cells were engineered to express a biotin-tagged-ICN1 and the bacterial biotin ligase BirA (Bio-ICN1) or just BirA as a control (Bio). Chromatin from both cell lines was subjected to strepatavidin-mediated precipitation and subjected to sequencing with the Illumina GAII sequencer as single end 36 base pair reads.

ORGANISM(S): Mus musculus  

SUBMITTER: Philippe Kastner   Susan Chan 

PROVIDER: E-GEOD-46114 | ArrayExpress | 2014-04-02



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E-GEOD-46114.idf.txt Idf Processed Processed
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The Notch signaling pathway is activated in many cell types, but its effects are cell type- and stage-specific. In the immune system, Notch activity is required for the differentiation of T cell progenitors, but it is reduced in more mature thymocytes, in which Notch is oncogenic. Studies based on single-gene models have suggested that the tumor suppressor protein Ikaros plays an important role in repressing the transcription of Notch target genes. We used genome-wide analyses, including chromat  ...[more]

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