Journal
NATURE GENETICS
Volume 52, Issue 11, Pages 1227-+Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41588-020-0709-z
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Funding
- Independent Research Fund Denmark (Sapere Aude Advanced) [12-125524]
- Danish National Research Foundation (DNRF) [141]
- Novo Nordisk Foundation [NNF17CC0027852]
- Villum Foundation
- UKRI Medical Research Council [MR/L007150/1]
- MRC [MR/L007150/1] Funding Source: UKRI
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Adipocyte differentiation is driven by waves of transcriptional regulators that reprogram the enhancer landscape and change the wiring of the promoter interactome. Here, we use high-throughput chromosome conformation enhancer capture to interrogate the role of enhancer-to-enhancer interactions during differentiation of human mesenchymal stem cells. We find that enhancers form an elaborate network that is dynamic during differentiation and coupled with changes in enhancer activity. Transcription factors (TFs) at baited enhancers amplify TF binding at target enhancers, a phenomenon we term cross-interaction stabilization of TFs. Moreover, highly interconnected enhancers (HICE) act as integration hubs orchestrating differentiation by the formation of three-dimensional enhancer communities, inside which, HICE, and other enhancers, converge on phenotypically important gene promoters. Collectively, these results indicate that enhancer interactions play a key role in the regulation of enhancer function, and that HICE are important for both signal integration and compartmentalization of the genome. High-throughput chromosome conformation enhancer capture identifies dynamic enhancer networks that regulate differentiation of human mesenchymal stem cells. Transcription factors (TFs) at baited enhancers appear to stabilize TF binding at target enhancers.
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