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Homo sapiens

ABSTRACT: RNAseq to determine gene expression changes following depletion of SETDB1 in THP-1 AML Cells

PROVIDER: PRJNA401801 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6000440.fastq.gz	Fastqsanger.gz
	SRR6000431.fastq.gz	Fastqsanger.gz
	SRR6000441.fastq.gz	Fastqsanger.gz
	SRR6000432.fastq.gz	Fastqsanger.gz
	SRR6000442.fastq.gz	Fastqsanger.gz

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Similar Datasets

Homo sapiens

Project description:RNAseq to determine whether bidirectional transcription occurs over transposable elements following depletion of SETDB1 in THP-1 AML Cells

| PRJNA401800 | ENA

RNAseq to determine whether bidirectional transcription occurs over transposable elements following depletion of SETDB1 in THP-1 AML Cells

Project description:SETDB1 disruption leads to an increase in the expression of transposable elements as determined by our standard RNAseq, where bidirectional transcription has been reported. We repeated RNA seq on our samples with a stranded prep to determine whether bidirectional transcription occurs of transposable elements following depletion of SETDB1 in THP-1 AML Cells Methods: THP-1 cells were treated with two different SETDB1 sgRNAs (6, and 9) or Non-targeting control sgRNA (NTC) for 4 and 7 days. RNA was isolated and prepared for RNAseq with Qiagen RNeasy kits. Results: Consensus sequences for elements for upregulated TEs were downloaded from the Dfam database (Hubley et al., 2016). Stranded RNA-seq data was then aligned to consensus sequences using BWA-MEM and quantified using HTseq-count(Anders et al., 2015; Li, 2013). Reads were visualized using the IGV genome browser, using a custom pseudogenome that was generated from the Dfam consensus sequences (Robinson et al., 2011; Thorvaldsdottir et al., 2013). Conclusions: Our data determined that following the disruption of SETDB1, there is increased bidirectional transcription over a subset of transposable elements.

2017-09-06 | GSE103410 | GEO

RNAseq to determine gene expression changes following depletion of SETDB1 in THP-1 AML Cells

Project description:Purpose: To determine how loss of SETDB1 effects gene expression in THP-1 AML cells. Methods: THP-1 cells were treated with two different SETDB1 sgRNAs (6, and 9) or Non-targeting control sgRNA (NTC) for 4 and 7 days. RNA was isolated and prepared for RNAseq with Qiagen RNeasy kits. Results: Using an optimized data analysis workflow, we mapped 23 million or more sequence reads per sample to the human genome (GRCh38) with GSNAP for obtaining standard gene expression measurements. Since SETDB1 is also know to regulate repetitive elements we also mapped sequences to a pseudogenome containing tranposable elements from hg19 repeatmasker annotations using RepEnrich and following the pipeline published on GitHub (https://github.com/nskvir/RepEnrich). Conclusions: Our data determined that immediately following the disruption of SETDB1, a strong type I Interferon response can be observed at day 4. In addition, many repetitive elements are also significanly induced, including L1 LINEs, Endogenous Retroviruses, and Satellite repeats.

2017-09-06 | GSE103409 | GEO

Histone demethylase KDM4A-mediated promotion of PAF1/NFATC2 expression is required for oncogenesis in MLL-AF9 acute myeloid leukemia [RNA-seq]

Project description:In this study we identified the histone demethylase KDM4A as an essential and selective regulator of AML oncogenic potential. RNAseq was used to follow the changes in gene expression following KDM4A knockdown in MLL-AF9 human AML THP-1 cells

2021-01-17 | GSE125374 | GEO

Kynurenine engages Serotonin Receptor 1b in osteoblasts to reinforce Acute Myeloid Leukemia

Project description:We performed RNAseq analysis of primary human osteoblasts co-cultured with the human THP-1 AML cell-line and, in parallel, RNAseq analysis on the THP-1 AML cells exposed to the human primary osteoblasts.

2020-07-15 | GSE154374 | GEO

SETDB1 suppresses interferon responses and NK cell-mediated immunosurveillance specifically in monocytic AML: H3K9me3 ChIP-seq of cSAM leukemia cells with Setdb1 depletion [ChIP-seq]

Project description:Monocytic acute myeloid leukemia (AML) responds poorly to current treatments, including venetoclax-based therapy. We conducted in vivo and in vitro CRISPR/Cas9 library screenings using a mouse monocytic AML model, and identified SETDB1 and its binding partners (ATF7IP and TRIM33) as crucial tumor promoters in vivo. The growth-inhibitory effect of Setdb1 depletion in vivo was mainly dependent on NK cell-mediated cytotoxicity. Mechanistically, SETDB1 depletion upregulated interferon-stimulated genes and NKG2D ligands through demethylation of histone H3 Lys9 at the monocyte-specific enhancer regions, thereby enhancing their immunogenicity to NK cells and intrinsic apoptosis. Importantly, these effects were not observed in non-monocytic leukemia cells. We also identified the expression of MNDA and its murine counterpart Ifi203 as biomarkers to predict the sensitivity of each AML to SETDB1 depletion. Our study highlights the critical and selective role of SETDB1 in monocytic AML and underscores its potential as a therapeutic target for current unmet needs.

2024-08-03 | GSE266098 | GEO

SETDB1 suppresses interferon responses and NK cell-mediated immunosurveillance specifically in monocytic AML: CRISPR/Cas9 screens on cSAM leukemia cells

2024-08-03 | GSE270630 | GEO

SETDB1 suppresses interferon responses and NK cell-mediated immunosurveillance specifically in monocytic AML: Gene expression profiles of cSAM leukemia cells with Setdb1 depletion [RNA-seq]

2024-08-03 | GSE266097 | GEO

Gene expression changes in SHI-1 cells following exposure to disulfiram/copper, niclosamde or combined drugs

Project description:Disulfiram and niclosamide were identified as drugs that induced depletion of an MLL-AF9-luciferase fusion protein in THP-1 AML cells, in a bioluminescence sreen. MLL-fusion protein depletion was confirmed in AML and ALL cell lines expressing different MLL-fusion proteins. Combination of disulfiram with niclosamide was found to enhance depletion of MLL-fusion proteins. To investigate whether this enhanced depletion resulted in increased suppression of downstream target genes. MLL-AF6 expressing SHI-1 cells were exposed to disulfiram/copper, nciclosamide or combined drugs. SHI-1 cells were treated for 16 hours with 0.3uM disulfiram / 1uM copper, 5uM niclosamide or combined drugs and RNAseq performed on isolated RNA.

2024-07-03 | GSE262673 | GEO

Transcriptomic and epigenomic profiling of SETDB1 mediated repression in Acute Myeloid Leukemia

Project description:Epigenetic regulators play a critical role in normal and malignant hematopoiesis. We recently showed that the Histone 3 Lysine 9 (H3K9) methyltransferase SETDB1 negatively regulates the expression of the pro-leukemic genes HoxA9 and its cofactor Meis1 through deposition of promoter H3K9 trimethylation (H3K9me3) in MLL-AF9 AML cells. Here, we investigated the microbiological impact of altered SETDB1 expression in AML cells. We explored changes in transcription using RNA-seq, promoter associated histone modifications using ChIP-seq, and chromatin accessibility using ATAC-seq. Next generation sequencing of AML cells with or without overexpression of SETDB1 shows that high expression of SETDB1 induces repressive changes to the promoter epigenome and downregulation of genes linked with AML, including Dock1 and the MLL-AF9 target genes Hoxa9, Six1, and others. These data reveal novel targets of SETDB1 in AML that point to a role for SETDB1 in negatively regulating pro-leukemic target genes and suppressing AML.

2019-10-03 | GSE136850 | GEO

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