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ABSTRACT: RelA ChIp-seq MEFs

PROVIDER: PRJNA517534 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8507460.fastq.gz	Fastqsanger.gz
	SRR8507470.fastq.gz	Fastqsanger.gz
	SRR8507480.fastq.gz	Fastqsanger.gz
	SRR8507490.fastq.gz	Fastqsanger.gz
	SRR8507461.fastq.gz	Fastqsanger.gz

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TNF-induced gene-expressions in Nfkb2-/- MEFs and its derivatives

Project description:As such, TNF triggers the canonical NF-?B pathway to induce a nuclear NF-?B activity composed of the RelA:p50 dimer in WT cells. Nfkb2 encodes p100, which regulates the activity of the RelB NF-?B heterodimers during immune cell-differentiation via the noncanonical pathway. Our biochemical analyses revealed that an absence of p100 instead repositions RelB under the control of the TNF-activated canonical pathway. Indeed, chronic TNF treatment of Nfkb2-/- cells activates the RelA:p50 dimer and an additional RelB:p50 dimer. On the other hand, TNF stimulation of Relb-/-Nfkb2-/- and Rela-/-Nfkb2-/- MEFs exclusively activated the RelA:p50 dimer and the RelB:p50 dimer, respectively. We treated this panel of knockout MEFs with TNF for 6h before being subjected to microarray mRNA analysis. We also included in our analysis WT MEFs and Rela-/-Relb-/-Rel-/- MEFs, which served as a negative control. Our analyses revealed overlapping and distinct gene-expression specificities of RelA:p50 and RelB:p50 dimers activated in mutant cells in response to TNF.

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Project description:We investigated the genomewide binding pattern of prevalent p53 gain-of-function (GOF) mutants by ChIP-seq, in a panel of breast cancer cell lines. We assessed the genomewide changes of H3K4me3 upon GOF p53 knockdown in MDA-MB-468 breast cancer cells bearing the p53 R273H mutation. This study uses ChIP-seq of H3K4me3 and histone H3 in wild-type or p53 R172H knock-in MEFs. Additionally, this study examines the transcriptome of wild-type or p53 R172H knock-in MEFs using polyA+ RNA-seq.

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