An atlas of combinatorial transcriptional regulation in mouse and man.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 20211142.
- Also identified by DOI 10.1016/j.cell.2010.01.044 and PMC identifier 2836267.
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Abstract
Combinatorial interactions among transcription factors are critical to directing tissue-specific gene expression. To build a global atlas of these combinations, we have screened for physical interactions among the majority of human and mouse DNA-binding transcription factors (TFs). The complete networks contain 762 human and 877 mouse interactions. Analysis of the networks reveals that highly connected TFs are broadly expressed across tissues, and that roughly half of the measured interactions are conserved between mouse and human. The data highlight the importance of TF combinations for determining cell fate, and they lead to the identification of a SMAD3/FLI1 complex expressed during development of immunity. The availability of large TF combinatorial networks in both human and mouse will provide many opportunities to study gene regulation, tissue differentiation, and mammalian evolution.
Medical subject headings
- Gene Expression Regulation
- Gene Regulatory Networks
- Transcription Factors