Genomics

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Convergence of developmental and oncogenic signaling pathways at transcriptional super-enhancers


ABSTRACT: Super-enhancers and stretch enhancers (SEs) drive expression of genes that play prominent roles in normal and disease cells, but the functional importance of these clustered enhancer elements is poorly understood, so it is not clear why genes key to cell identity have evolved regulation by such elements. Here we show that super-enhancers consist of functional constituent units that concentrate multiple developmental signaling pathways at key pluripotency genes in embryonic stem cells and confer responsiveness to signaling of their associated genes. Cancer cells frequently acquire SEs at genes that promote tumorigenesis, and we show that these genes are especially sensitive to perturbation of oncogenic signaling pathways. Super-enhancers thus provide a platform for signaling pathways to regulate genes that control cell identity during development and tumorigenesis.

ORGANISM(S): Mus musculus

PROVIDER: GSE64188 | GEO | 2014/12/15

SECONDARY ACCESSION(S): PRJNA270353

REPOSITORIES: GEO

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