Title |
The chromatin remodeler Brg1 activates enhancer repertoires to establish B cell identity and modulate cell growth
|
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Published in |
Nature Immunology, May 2015
|
DOI | 10.1038/ni.3170 |
Pubmed ID | |
Authors |
Claudia Bossen, Caroline S Murre, Aaron N Chang, Robert Mansson, Hans-Reimer Rodewald, Cornelis Murre |
Abstract |
Early B cell development is orchestrated by the combined activities of the transcriptional regulators E2A, EBF1, Foxo1 and Ikaros. However, how the genome-wide binding patterns of these regulators are modulated during B lineage development remains to be determined. Here we found that in lymphoid progenitor cells, the chromatin remodeler Brg1 specified the B cell fate. In committed pro-B cells, Brg1 regulated contraction of the locus encoding the immunoglobulin heavy chain (Igh) and controlled expression of the gene encoding the transcription factor c-Myc (Myc) to modulate the expression of genes encoding products that regulate ribosome biogenesis. In committed pro-B cells, Brg1 suppressed a pre-B lineage-specific pattern of gene expression. Finally, we found that Brg1 acted mechanistically to establish B cell fate and modulate cell growth by facilitating access of lineage-specific transcription factors to enhancer repertoires. |
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France | 1 | 11% |
Switzerland | 1 | 11% |
Turkey | 1 | 11% |
Unknown | 3 | 33% |
Demographic breakdown
Type | Count | As % |
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Members of the public | 5 | 56% |
Scientists | 4 | 44% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
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France | 1 | <1% |
Austria | 1 | <1% |
United Kingdom | 1 | <1% |
China | 1 | <1% |
Japan | 1 | <1% |
United States | 1 | <1% |
Unknown | 142 | 96% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 44 | 30% |
Researcher | 28 | 19% |
Student > Master | 12 | 8% |
Student > Doctoral Student | 11 | 7% |
Student > Bachelor | 11 | 7% |
Other | 18 | 12% |
Unknown | 24 | 16% |
Readers by discipline | Count | As % |
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Biochemistry, Genetics and Molecular Biology | 42 | 28% |
Medicine and Dentistry | 9 | 6% |
Immunology and Microbiology | 8 | 5% |
Computer Science | 3 | 2% |
Other | 7 | 5% |
Unknown | 26 | 18% |