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Investigation of mRNA expression pattern by RAD21 knockdown in hematopoetic stem cells

ABSTRACT: Investigation of mRNA expression pattern by RAD21 knockdown in hematopoetic stem cells

PROVIDER: PRJNA433698 | ENA |

REPOSITORIES: ENA

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Investigation of mRNA expression pattern by RAD21 knockdown in hematopoetic stem cells

Project description:Elevated inflammation represents a hallmark of hematopoietic aging and leukemia development but mechanistically its impact on hematopoietic stem and progenitor cell (HSPC) maintenance remains incompletely understood. Here we identify Rad21/cohesin as a major component mediating inflammation-induced NF-kB signaling, which in turn limits self-renewal of HSPCs by induction of differentiation. Disruption of Rad21/cohesin diminishes inflammation-induced loss of self-renewal and induction of differentiation, but these effects are abrogated in NF-kB knockout (p50-/-) HSPCs. During aging, HSPCs exhibit an increased responsiveness to activate NF-kB signaling in response to inflammatory stimuli also resulting in activation of genes encoding for secreted cytokines. These cell intrinsic and extrinsic responses cooperatively enhance differentiation and loss of self-renewal of HSPCs resulting in increased selection of Rad21/cohesin deficient HSPCs exhibiting elevated self-renewal and myeloid skewed differentiation. Together, these results identify cohesin-mediated NF-kB signaling as a major axis connecting cell extrinsic increases in inflammation with the evolution of hallmark features HSC aging characterized by increases in self renewal and myeloid skewed differentiation aggravated by the concomitant selection of cohesin deficient HSPCs.

2018-11-21 | GSE110440 | GEO

Expression data from RAD21 knockdown in MCF7 cells

2016-06-01 | GSE82049 | GEO

Expression data from RAD21 knockdown in MCF7 cells

Project description:RAD21 plays multi-functional roles in cell. We explored which genes are target of RAD21 in the cell. We used microarray to find out the target of RAD21 comparing between shGFP(control) and shRAD21 expressing MCF7 cells. we stably expressed shGFP or shRAD21 in each MCF7 cell and selected single cells having high transfection efficiency of shRNAs. And then we had cultured the single cells for 30 days to harvest sufficient cells.

2016-06-01 | E-GEOD-82049 | biostudies-arrayexpress

Effect of CTCF and Rad21 knockdown on cell and KSHV gene expression

Project description:Effect of CTCF and Rad21 knockdown on cell and KSHV gene expression

| PRJNA574630 | ENA

Investigation of mRNA expression pattern by over-expression of two CEBPB transcription factor isoforms

Project description:Investigation of mRNA expression pattern by over-expression of two CEBPB transcription factor isoforms

| PRJNA433422 | ENA

Rad21-mediated NF-κB signaling limits hematopoietic stem cell self-renewal in aging and inflammation

Project description:MTD project_description Inflammation and decreased stem cell function characterize organism aging, yet the relationship between these factors remains incompletely understood. This study shows that aged hematopoietic stem and progenitor cells exhibit increased ground-stage NF-κB activity, which enhances their responsiveness to undergo differentiation and loss of self-renewal in response to inflammation. The study identifies Rad21/cohesin as a critical mediator of NF-κB signals, by increasing chromatin accessibility of inter-/intra-genic and enhancer regions. Rad21/NF-κB are required for normal differentiation, but limit self-renewal of hematopoietic stem cells (HSCs) during aging and inflammation in an NF-κB dependent manner. HSCs from aged mice fail to downregulate Rad21/cohesin and inflammation/differentiation inducing signals in the resolution phase after acute inflammation. and The inhibition of cohesin/NF-κB is sufficient to revert the hypersensitivity of aged HSPCs to inflammation-induced differentiation. During aging, myeloid-biased HSCs with disrupted and naturally occurring reduced expression of Rad21/cohesin are increasingly selected over lymphoid-biased HSCs. Together, Rad21/cohesin mediated NF-κB signaling limits HSPC function during aging and selects for cohesin deficient HSCs with myeloid skewed differentiation.

2018-11-28 | PXD011537 | Pride

Preliminary investigation of the effect of transfected HBx on the expression pattern of circRNAs in hepatocellular carcinoma

Project description:Preliminary investigation of the effect of transfected HBx on the expression pattern of circRNAs in hepatocellular carcinoma

2022-10-31 | GSE186884 | GEO

Effect of CTCF and Rad21 knockdown on SLK cells and KSHV gene expression

Project description:Effect of CTCF and Rad21 knockdown on SLK cells and KSHV gene expression

| PRJNA577854 | ENA

Expression analysis of mock- or RAD21-transduced Kasumi1 cells

Project description:We recently identified recurrent mutations of cohesin complex in myeloid neoplasms through whole-exome sequencing analysis. RAD21 is one of the main components of the cohesin complex. In this study, to investigate the biological impact of wild-type RAD21 on Kasumi1 cells harboring RAD21 mutation, Kasumi1 cells were retrovirally transduced with either mock or wild-type RAD21, and expression array was performed. Expression analysis was performed for mock- or wild-type RAD21-transduced Kasumi-1 cells in triplicate. The experiment was performed twice independently.

2013-07-16 | E-GEOD-47641 | biostudies-arrayexpress

Expression data from Rad21 knock-down in ES cells

Project description:The Cohesin complex has recently been described to regulate gene expression. We wanted to determine the gene expression profile specific in mouse ES cells after depletion of the Cohesin subunit Rad21. We used microarrays to detail the global programme of gene expression underlying depletion of Rad21 and identified distinct early development related genes up-regulated and many pluripotency related genes downregulated. Rad21 was depleted in R1/E ES cells for 48h using esiRNAs against Rad21. An esiRNA against non-targeting Luciferase was used as a negative control

2011-05-19 | E-GEOD-23923 | biostudies-arrayexpress

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