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Genome-wide mapping of PRDM14 binding sites in human embryonic stem cells

ABSTRACT: PRDM14 belongs to the PR (PRDI-BF1 and RIZ) domain proteins (PRDM) family which is a subclass of the SET domain proteins, a common domain found in histone modifying enzymes. PRDM14 has been previously implicated to regulate self-renewal of hESCs as knock-down of PRDM14 induced expression of differentiation marker genes and altered the cellular morphology. We showed that PRDM14 directly regulates the expression of key pluripotency gene POU5F1. Genome-wide location profiling experiments revealed that PRDM14 co-localized extensively with other key transcription factors such as OCT4, NANOG and SOX2. More importantly, in a gain-of-function assay, we showed that PRDM14 is able to enhance the efficiency of reprogramming of human fibroblasts in conjunction with OCT4, SOX2 and KLF4. Hence, PRDM14 exemplifies a key transcription factor that is required for the maintenance of human ESC identity and the reacquisition of pluripotency in human somatic cells. ChIP-seq of PRDM14 in human ESCs

ORGANISM(S): Homo sapiens

SUBMITTER: Yuriy Orlov 

PROVIDER: E-GEOD-22767 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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The derivation of human ES cells (hESCs) from human blastocysts represents one of the milestones in stem cell biology. The full potential of hESCs in research and clinical applications requires a detailed understanding of the genetic network that governs the unique properties of hESCs. Here, we report a genome-wide RNA interference screen to identify genes which regulate self-renewal and pluripotency properties in hESCs. Interestingly, functionally distinct complexes involved in transcriptional  ...[more]

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