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ChIP-seq against BZLF1 in DG75 cells (EBV-negative, human Burkitt lymphoma cell line)

ABSTRACT: ChIP-seq against BZLF1 in DG75 cells (EBV-negative, human Burkitt lymphoma cell line)

PROVIDER: PRJEB31869 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR3252922.fastq.gz	Fastqsanger.gz
	ERR3252923.fastq.gz	Fastqsanger.gz
	ERR3252924.fastq.gz	Fastqsanger.gz
	ERR3252925.fastq.gz	Fastqsanger.gz

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ChIP-seq against BZLF1 in DG75 cells (EBV-negative, human Burkitt lymphoma cell line)

Project description:The parental DG75 cell line is EBV negative and cannot express the viral BZLF1 protein, thus, this set of experiments served as a negative control. After ChIP, peaks were identified in both the human and viral (EBV (Human Herpesvirus 4) genome KF717093.1) genome. Only few peaks were identified. Experiments were performed as duplicates.

2019-04-05 | E-MTAB-7821 | biostudies-arrayexpress

ChIP-seq data from DG75 cells with the BZLF1 specific antibody BZ1

Project description:ChIP-seq experiments with the antibody BZ1 directed against the EBV protein BZLF1 prior to and 15 hours post induction with doxycycline (100 ng/ml). The doxycycline regulated conditional BZLF1 allele is encoded by an inducible oriP plasmid vector stably introduced into DG75 cells. Experiments were performed as duplicates.

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Gene expression in EBV-positive versus EBV-loss clones derived from endemic Burkitt lymphoma cell lines

Project description:Whilst the association of Epstein-Barr virus (EBV) with Burkitt lymphoma (BL) has long been recognized, the precise role of the virus in BL pathogenesis is not fully resolved. EBV can be lost spontaneously from some BL cell lines, and these EBV-loss lymphoma cells reportedly have a survival disadvantage. We have generated an extensive panel of EBV-loss clones from multiple BL backgrounds and examined their phenotype comparing them to their isogenic EBV-positive counterparts. Whilst loss of EBV from BL cells is rare, it is consistently associated with an enhanced predisposition to undergo apoptosis and reduced tumorigenicity in vivo. We investigated whether there were common gene expression changes between EBV-positive and loss clones derived for four endemic Burkitt lyphoma cell lines that could explain the apoptosis sensitivity of clones that had lost EBV.

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RNA-seq data from DG75 cells with inducible BZLF1 prior to and after induction of EBV's lytic cycle by doxycycline.

Project description:(i) Transcripts of DG75 iBZLF1 cells were analyzed comparing non-induced cells and cells induced with doxycycline (100 ng/ ml) for 6 h. Doxycycline induces the expression of the full length viral transcription factor BZLF1. (ii) For control purposes, the transcripts of DG75 cells equipped with a doxycycline-regulated truncated BZLF1 allele lacking its transactivation domain (DG75 iBZLF1 AD-truncated) were analyzed prior to and after induction with doxycycline for 6 h. (iii) For an additional control, the transcripts of parental, unmodified DG75 cells were analyzed prior to and after adding doxycycline for 6 h. All experiments were performed as triplicates. The analysis is based on Homo sapiens (human) genome assembly GRCh37 (hg19) from Genome Reference Consortium. Artificial ERCC Spike-in RNAs (Thermo Scientific) were added as external controls.

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