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Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2 [ATAC-Seq]

ABSTRACT: Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2 [ATAC-Seq]

PROVIDER: PRJNA489174 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7781220_1.fastq.gz	Fastqsanger.gz
	SRR7781220_2.fastq.gz	Fastqsanger.gz
	SRR7781221_1.fastq.gz	Fastqsanger.gz
	SRR7781221_2.fastq.gz	Fastqsanger.gz
	SRR7781222_1.fastq.gz	Fastqsanger.gz

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Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2

Project description:Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2

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Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2 [RNA-Seq]

Project description:Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2 [RNA-Seq]

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Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2 [CHIP-Seq]

Project description:Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2 [CHIP-Seq]

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Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2

Project description:Oct4, along with Sox2 and Klf4 (SK), can induce pluripotency but structurally similar factors like Oct6 cannot. To decode why Oct4 has this unique ability, we compare Oct4-binding, accessibility patterns and transcriptional waves with Oct6 and an Oct4 mutant defective in the dimerization with Sox2 (Oct4defSox2). We find that initial silencing of the somatic program proceeds indistinguishably with or without Oct4. Oct6 mitigates the mesenchymal-to-epithelial transition and derails reprogramming. These effects are a consequence of differences in genome-wide binding, as the early binding profile of Oct4defSox2 resembles Oct4, whilst Oct6 does not bind pluripotency enhancers. Nevertheless, in the Oct6-SK condition many otherwise Oct4-bound locations become accessible but chromatin opening is compromised when Oct4defSox2 occupies these sites. We find that Sox2 predominantly facilitates chromatin opening, whilst Oct4 serves an accessory role. Formation of Oct4/Sox2 heterodimers is essential for pluripotency establishment; however, reliance on Oct4/Sox2 heterodimers declines during pluripotency maintenance.

2019-06-18 | GSE103980 | GEO

Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2 [CHIP-Seq]

2019-06-18 | GSE103978 | GEO

Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2 [ATAC-Seq]

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Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2 [RNA-Seq]

2019-06-18 | GSE103979 | GEO

Pluripotency reprogramming by competent and incompetent POU factors uncovers temporal dependency for Oct4 and Sox2.

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Gene expression profile of mouse developmentally competent and incompetent (NSN) 2-cell embryos.

Project description:Microarray analysis of gene expression in 2-cell embryos obtained from developmentally competent MII oocytes or developmentally incompetent MII (NSN) oocytes. In this study we have compared the expression profile of 2-cell embryos obtained after following in vitro fertilisation of developmentally competent (control) or incompetent (NSN) MII oocytes with the aim of identifying the gene expression networks that operate at this specific stage of development.

2011-08-31 | E-GEOD-28704 | biostudies-arrayexpress

Gene expression profile of mouse developmentally competent and incompetent (NSN) 2-cell embryos.

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