Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Coordinate Regulation of Enhancer Transcription at Super-Enhancers


ABSTRACT: Using GRO-Seq, we find extensive regulation of enhancer RNAs (eRNA) within super-enhancers in response to lipopolysaccharide treatment in macrophages. Both activation and repression of gene expression are associated with super-enhancers and eRNA transcription dynamics. Co-treatment of LPS and the anti-inflammatory drug dexamethasone targeted specific super-enhancers by attenuating their eRNA expression, leading to reduced expression of key inflammatory genes. We propose that super-enhancers function as molecular rheostats integrating the binding profiles of key regulators to produce dynamic profiles of gene expression. Nascent transcriptome (GRO-Seq) analysis over a time course (0, 20, 60, 180 min) of Lipopolisaccharide and Dexamethasone signaling in mouse bone marrow-derived macrophages.

ORGANISM(S): Mus musculus

SUBMITTER: Christopher Benner 

PROVIDER: E-GEOD-60857 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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