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Quantitative Transcriptome Analysis of RIPK1-KO CD4 T cells

ABSTRACT: Quantitative Transcriptome Analysis of RIPK1-KO CD4 T cells

PROVIDER: PRJNA809404 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18101441.fastq.gz	Fastqsanger.gz
	SRR18101442.fastq.gz	Fastqsanger.gz
	SRR18101443.fastq.gz	Fastqsanger.gz
	SRR18101444.fastq.gz	Fastqsanger.gz

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Quantitative Transcriptome Analysis of RIPK1-KO CD4 T cells

Project description:RIPK1 is a key signaling molecule controlling cell death and inflammation through both scaffold and kinase functions of RIPK1. Human RIPK1 deficiency causes immunodeficiency and inflammatory diseases. Here we analyzed the functional roles of RIPK1 in CD4 T cells.

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Next Generation Sequencing to check the enrichment of RIPK1/BAF on chromatin, RIPK1-dependent chromatin state and RIPK1-dependent transcriptome during inflammatory responses.

Project description:RIPK1 is a master regulator of multiple cell death pathways, including apoptosis and necroptosis, and inflammation. Multiple RIPK1 inhibitors have been advanced into human clinical trials as new therapeutics for human inflammatory and neurodegenerative diseases, including ALS and AD. However, while the mechanism of cytosolic RIPK1 in control of cell death has been extensively investigated, how the activation of RIPK1 may promote transcription of proinflammatory cytokines is unclear as a nuclear function of RIPK1 has not been explored, nor is it clear if and how RIPK1 kinase activity may directly mediate inflammation independent of cell death. Here we show that nuclear RIPK1 is recruited by specific transcription factors and binds to the BAF complex on active enhancers and promoters marked by H3K4me1 and H3K27ac. Nuclear RIPK1 mediates the phosphorylation of SMARCC2, a key component of the BAF complex, to promote chromatin remodeling and the transcription of specific proinflammatory genes. Our results suggest that RIPK1 kinase serves a transcriptional coregulator in nucleus that can transmit extracellular stimuli to BAF complex to modulate the chromatin accessibility and directly regulate the transcription of specific genes involved in mediating inflammatory responses.

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Genome wide Affymetric Microarray analysis for RIPK1 dependent inflammatory changes in Bone Marrow Derived Macrophages (BMDMs)

Project description:Gene level expression estimate using the Whole Transcript (WT) Assay approach of the Gene 1.0 ST Array System for Mouse. This assay was done to identify the RIPK1-dependent gene expression changes in mouse BMDMs. Cost-effective gene-level analysis based on whole-transcript coverage. We analyzed Bone Marrow Derived Macrophages (BMDMs) under 4 different conditions (Control, LPS, LPS/zVAD, LPS/zVAD/Nec-1) to assess inflammatory changes in RIPK1 kinase dependent manner compared to LPS, LPS/zVAD plus RIPK1 inhibitor Nec-1 and control.

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