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Chromatin accessibility in human K562 erythroleukemia cells profiled upon heat shock, recovery, and heat-induced transcriptional memory

ABSTRACT: Chromatin accessibility in human K562 erythroleukemia cells profiled upon heat shock, recovery, and heat-induced transcriptional memory

PROVIDER: PRJNA647368 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12267671_1.fastq.gz	Fastqsanger.gz
	SRR12267671_2.fastq.gz	Fastqsanger.gz
	SRR12267672_1.fastq.gz	Fastqsanger.gz
	SRR12267672_2.fastq.gz	Fastqsanger.gz
	SRR12267673_1.fastq.gz	Fastqsanger.gz

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Chromatin accessibility in human K562 erythroleukemia cells profiled upon heat shock, recovery, and heat-induced transcriptional memory

Project description:ATAC-seq in human K562 erythroleukemia cells that were either unconditioned (s_uC and HSS_uC), preconditioned with a single heat shock exposure (s_pC), or preconditioned with multiple heat exposures (HSS_pC). After two day recovery from the preconditioning, during which the cells underwent two mitotic divisions, the cells were additionally subjected to a single heat shock to analyze heat-induced changes in chromatin accessibility in unconditioned versus preconditioned cells.

2021-04-01 | GSE154744 | GEO

Heat-induced transcriptional memory profiled in human K562 erythroleukemia cells.

Project description:Heat-induced transcriptional memory profiled in human K562 erythroleukemia cells.

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Heat-induced transcriptional memory profiled in human K562 erythroleukemia cells [PRO-seq]

Project description:Heat-induced transcriptional memory profiled in human K562 erythroleukemia cells [PRO-seq]

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Heat-induced transcriptional memory profiled in human K562 erythroleukemia cells.

Project description:Precision run-on sequencing (PRO-seq) of nascent RNA synthesis across the human genome. The PRO-seq data was generated from human K562 erythroleukemia cells that were either unconditioned (unCond) or preconditioned with multiple heat shock exposures (preCond). After two day recovery from the preconditioning, during which the cells underwent two mitotic divisions, the cells were additionally subjected to a single heat shock to measure nascent transcription in response to heat shock in unconditioned versus preconditioned cells.

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Heat-induced transcriptional memory profiled in human K562 erythroleukemia cells [PRO-seq]

Project description:Precision run-on sequencing (PRO-seq) of nascent RNA synthesis across the human genome. The PRO-seq data was generated from human K562 erythroleukemia cells that were either unconditioned (unCond) or preconditioned with a single heat shock exposure (preC). After two day recovery from the preconditioning, during which the cells underwent two mitotic divisions, the cells were additionally subjected to a single heat shock to measure nascent transcription in response to heat shock in unconditioned versus preconditioned cells.

2021-04-01 | GSE154746 | GEO

Genome-wide binding sites of NF90/ILF3 in K562 erythroleukemia cells

Project description:We used ChIP-seq to characterize the genome-wide binding sites of NF90/ILF3 in K562 erythroleukemia cells.

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Transcription profiling of human erythroleukemia K562 cells during TPA-induced megakaryocyte differentiation

Project description:Analysis of differential gene expression during TPA-induced megakaryocyte differentiation of human erythroleukemia K562 cells. The transcription profile of untreated vs TPA-treated K562 cells for 2 days was compared using gene microarrays.

2009-09-01 | E-MEXP-2213 | biostudies-arrayexpress

Long recovery after heat shock

Project description:Abiotic stress is a major factor for crop productivity, a problem likely to be exacerbated by climate change. Improving the tolerance to environmental stress is one of the most important goals of crop breeding programmes. While the early responses to abiotic stress in plants are well studied, plant adaptation to enduring or recurring stress conditions has received little attention. This project investigates the molecular mechanism of the maintenance of acquired thermotolerance as a model case of stress memory in Arabidopsis. Arabidopsis seedlings acquire thermotolerance through a heat treatment at sublethal temperatures. To investigate the underlying mechanisms, we are investigating changes in the transcriptome at two timepoints after a heat acclimation treatment using Arabidopsis thaliana seedlings. Microarrays were used to compare gene expression at two timepoints after a heat acclimation treatment.

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Project description:Genome-wide binding sites of NF90/ILF3 in K562 erythroleukemia cells

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Global analysis of in vivo EGR1-binding sites in erythroleukemia cell K562 using chromatin immunoprecipitation and massively parallel sequencing

Project description:Early growth response gene 1 (EGR1) has been implicated in megakaryocyte differentiation induced by PMA (phorbol 12-myristate 13-acetate). The identification of direct EGR1 target genes in global scale is critical for our understanding of how EGR1 contributes to this process. In this study, we provide a global survey on the binding location of EGR1 in the K562 cell treated by PMA using chromatin immunoprecipitation and massively parallel sequencing (ChIP-Seq). K562 is a human erythroleukemia cell line, which is situated in the common progenitor stage of megakaryocytic and erythroid lineages of the hematopoietic stem cell differentiation and its normally following differentiation is blockaded. Upon exposure to PMA stimuli, K562 cell can be induced into megakaryocytic cell, which provides a model for the study of transcriptional control networks. Over 14 000 highly confident in vivo EGR1 binding sites were identified in PMA treated K562 cell. More than 70% of these genomic sites associated with EGR1 binding were located around annotated gene regions. This whole genome study on the EGR1 targets may help a better understanding of the EGR1 regulated genes and the downstream pathway in megakaryocyte differentiation. The in vivo binding locations of EGR1 in K562 cell treated with PMA (phorbol 12-myristate 13-acetate, 10 ng/ml for 2 hours) were identified using chromatin immunoprecipitation combing with massively parallel sequencing (ChIP-Seq) based on AB SOLiD System 2.0.

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