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Effect of depletion or overexpression of EGR1 on gene expression in HCC cells (deletion in MHCC97H cells, overexpression in PLC/PRF5 cells)

ABSTRACT: Effect of depletion or overexpression of EGR1 on gene expression in HCC cells (deletion in MHCC97H cells, overexpression in PLC/PRF5 cells)

PROVIDER: PRJNA997985 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25403300_1.fastq.gz	Fastqsanger.gz
	SRR25403300_2.fastq.gz	Fastqsanger.gz
	SRR25403301_1.fastq.gz	Fastqsanger.gz
	SRR25403301_2.fastq.gz	Fastqsanger.gz
	SRR25403302_1.fastq.gz	Fastqsanger.gz

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Effect of depletion or overexpression of EGR1 on gene expression in HCC cells (deletion in MHCC97H cells, overexpression in PLC/PRF5 cells)

Project description:To investigate the function of EGR1 in HCC growth, we established EGR1 knock out MHCC97H cells by CRISPR/Cas9 system and EGR1-overexpressing PLC/PRF5 cells. We then performed gene expression profiling analysis using data obtained from RNA-seq of EGR1 knock out MHCC97H cells and parental MHCC97H cells, EGR1-overexpressing PLC/PRF5 cells and control PLC/PRF5 cells.

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EGR1 overexpression in HeLa cells [EGR1oe_RNAseq]

Project description:EGR1 overexpression in HeLa cells [EGR1oe_RNAseq]

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MicroRNA profiling in primary and metastatic HCC cell lines using PLC8024 and MHCC97H derived cell lines

Project description:Goal for this study is to identified miRNA involved in metastasis development using PLC8024 and MHCC97H derived cell lines. PLC8024 derived cell lines, PLC-PT (Primary Tumor) and PLC-LM (Lung Metastasis), and MHCC97H derived cell lines, MHCC97H-PT and MHCC97H-LM were compared using the Ncode miRNA microarray platform. The experiment were repeat twice with dye-swap.

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Differentially expressed genes in HNRNPC knockdown MHCC97H cells

Project description:HNRNPC plays an important role in HCC metastasis, HNRNPC knockdown by specific shRNA (HNRNPC-shRNA) significantly inhibited the migration and invasion of MHCC97H cells, while HNRNPC overexpression exerted the opposite effect. To elucidate the mechanisms by which HNRNPC facilitated HCC metastasis, we performed microarray analysis to compare the transcription profiling between the MHCC97H-shcontrol and MHCC97H-shHNRNPC cells.

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LncRNA regulated by hnRNPAB in HCC cell lines

Project description:To reveal the HNRNPAB-regulated lncRNAs, we performed microarray analyses to screen differential lncRNAs in HCC cells after stable overexpression or knockdown of HNRNPAB. MHCC97H and HCCLM3 (HCC cell lines with high-metastatic potentials), PLC/PRF/5 and HepG2 (HCC cell lines with low-metastatic potentials) were used in this study. HepG2-control, HepG2-hnRNPAB, PLC/PRF/5-control, PLC/PRF/5-hnRNPAB, MHCC97H-control, MHCC97H-sh-hnRNPAB, HCCLM3-control, HCCLM3-sh-hnRNPAB were perpared with hU6-MCS-CBh-gcGFP-IRES-puromycin-shRNA-HNRNPAB/mock lentiviral and Ubi-MCS-SV40-EGFP-IRES-puromycin-HNRNPAB/mock cDNA lentiviral,respectively, each performed in triplicate.

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EGR1 regulation in human bone marrow stromal cells

Project description:Human bone marrow stromal cells (BMSCs) are key elements of the hematopoietic environment and they play a central role in bone and bone marrow physiology. However, how key BMSC functions are regulated is largely unknown. We analyzed the role of the immediate early response transcription factor EGR1 as key BMSC regulator and found that EGR1 was highly expressed in prospectively-isolated primary BMSCs, downregulated upon culture, and lower in non-CFU-F-containing CD45neg BM cells. Furthermore, EGR1 expression was lower in proliferative regenerating adult and fetal primary cells compared to adult steady-state BMSCs. Accordingly, EGR1 overexpression markedly decreased BMSC proliferation but considerably improved hematopoietic stroma support function as indicated by an increased production of transplantable CD34+CD90+ hematopoietic stem cells in expansion co-cultures. The improvement of BMSC stroma support function was mediated by increased expression of hematopoietic supporting genes, such as VCAM1 and CCL28. On the other hand, EGR1 knockdown increased ROS-mediated BMSC proliferation, and clearly reduced BMSC hematopoietic stroma support potential. These findings thus show that EGR1 is a key BMSC transcription factor with a dual role in regulating proliferation and hematopoietic stroma support function that is controlling a genetic program to coordinate the specific functions of BMSC in their different biological contexts.

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EGR1 overexpression in HeLa cells [EGR1oe_RNAseq]

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Substrates of PRSS35 in PLC cells

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DNA-PKcs kinase activity stabilizes the transcription factor Egr1 in activated immune cells

Project description:To gain insight into the function of DNA-PKcs within immune cells, we performed a quantitative phosphoproteomic screen in T cells to identify first order phosphorylation targets of DNA-PKcs. Results indicate that DNA-PKcs phosphorylates the transcription factor Egr1 (early growth response protein 1) at S301. Expression of Egr1 is induced early upon T cell activation and dictates T cell response by modulating expression of cytokines and key costimulatory molecules. Mutation of serine 301 to alanine via CRISPR-Cas9 resulted in increased proteasomal degradation of Egr1 and a decrease in Egr1-dependent transcription of IL2 (interleukin-2) in activated T cells. Our findings identify DNA-PKcs as a critical intermediary link between T cell activation and T cell fate and a novel phosphosite involved in regulating Egr1 activity.

2021-12-21 | PXD026352 | Pride

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