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ChIP-seq of MUTZ3 cells in experiments to investigate EVI1 regulation by CRISPR or compound treatment

ABSTRACT: ChIP-seq was conducted to evaluate the effect of deleting a MYB binding site in the GATA2 super-enhancer or treating MUTZ3 cells with a MYB inhibitor. H3K27ac, MYB and p300 ChIP-seq datasets were generated.

INSTRUMENT(S): Illumina NovaSeq 6000

ORGANISM(S): Homo sapiens

SUBMITTER: Ruud Delwel

PROVIDER: E-MTAB-9959 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Amplicon-seq of an enhancer region targeted by CRISPR to assess the mutations introduced by different sgRNA guides

Project description:Following a CRISPR enhancer scan covering the GATA2 super-enhancer region, the top sgRNAs were selected for further inspection. MUTZ3 cells were thus treated with the selected sgRNAs and the region of interested was subjected to amplicons sequencing (amplicon-seq). To that end, we used the Illumina PCR-based custom amplicon sequencing method using the TruSeq Custom Amplicon index kit (Illumina). The same experiment was conducted in K562 cells, which do not harbor an inv(3)/t(3;3), to investigate the role of MYB in this enhancer in other leukemia settings

2021-07-26 | E-MTAB-9945 | biostudies-arrayexpress

RNA-seq of MUTZ3 cells in experiments to investigate EVI1 regulation

Project description:We investigated whether GATA2 enhancer-driven transcription of EVI1 in inv(3)/t(3;3) is reversible in leukemia cells. In primary inv(3)/t(3;3) AML, immature CD34+CD15- cells can be discriminated from more mature CD34-CD15- and CD34-CD15+ cells. Besides, we also investigated the effect of deleting a MYB binding site on these cells using CRISPR/Cas9.

2021-07-26 | E-MTAB-9939 | biostudies-arrayexpress

Cut&Run-seq of MUTZ3 cells to investigate changes in a translocated enhancer following CRISPR treatment

Project description:We examined the effects of targeting the GATA2 super-enhancer on EVI1 expression in MUTZ3. To that end, we conducted genome editing with CRISPR and assessed H3K27 acetylation with Cut&Run. The protocol described by the Henikoff group was used to generate these data.

2021-07-26 | E-MTAB-9946 | biostudies-arrayexpress

ATAC-seq of MUTZ3 cells in experiments to investigate EVI1 regulation

Project description:Open chromatin regions were analyzed by ATAC-seq in MUTZ3 and MOLM1 cell lines (both inv(3) AML) to characterize the GATA2 super-enhancer region. ATAC-seq was performed as described (Buenrostro et al., 2013) with a modification in the lysis buffer to reduce mitochondrial DNA contamination.

2021-07-26 | E-MTAB-9949 | biostudies-arrayexpress

ChIP-Seq of Myf5, MyoD, Snai1, HDAC1, HDAC2, E47 and empty vector controls in mouse skeletal myoblasts or myotubes

Project description:In skeletal myogenesis, the transcription factor MyoD activates distinct transcriptional programs in progenitors compared to terminally differentiated cells. Using ChIP-seq and gene expression analyses, we show that in primary myoblasts, Snail-HDAC1/2 repressive complex bind and exclude MyoD from its targets. Notably, Snail binds E-box motifs that are G/C-rich in their central dinucleotides, and such sites are almost exclusively associated with genes expressed during differentiation. By contrast, Snail does not bind the A/T-rich E-boxes associated with MyoD targets in myoblasts. Thus, Snai1-HDAC1/2 prevents MyoD occupancy on differentiation-specific regulatory elements and the change from Snail- to MyoD-binding often results in enhancer switching during differentiation. Furthermore, we show that a regulatory network involving Myogenic Regulatory Factors (MRFs), Snail/2, miR-30a and miR-206 acts as a molecular switch that controls entry into myogenic differentiation. Together, these results reveal a regulatory paradigm that directs distinct gene expression programs in progenitors versus terminally differentiated cells. Genome wide binding sites of various transcription factors and chromatin modifiers in muscle cells

2012-07-04 | E-GEOD-24852 | biostudies-arrayexpress

MEIS1 ChIPseq in CHRF-288-11

Project description:ChIP-seq of MEIS1 in the human megakaryocytic cell line CHRF-288-11

2012-01-04 | E-MTAB-859 | biostudies-arrayexpress

ChIP-Seq of the Sinorhizobium meliloti CRP-like protein Clr in combination with either cAMP or cGMP under different growth conditions

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2023-03-23 | E-MTAB-11788 | biostudies-arrayexpress

Snail regulates MyoD binding-site occupancy to direct enhancer switching and differentiation-specific transcription in myogenesis

Project description:This SuperSeries is composed of the following subset Series: GSE24811: Time Series of Mouse skeletal muscle cell differentiation GSE24852: ChIP-Seq of MyoD, Myf5, Snai1, HDAC1, HDAC2, E47 and empty vector controls in mouse skeletal myoblasts or myotubes GSE38236: RNA-Seq of si-Snai1, si-Snai2, si-Snai1/2 and si-Scrambled treated myoblasts Refer to individual Series

2012-07-04 | E-GEOD-24904 | biostudies-arrayexpress

MYB-regulated pancreatic cancer secretome

Project description:Earlier we have shown important roles of MYB in pancreatic tumor pathobiology. To better understand the role of MYB in the tumor microenvironment and identify MYB-associated secreted biomarker proteins, we conducted mass spectrometry analysis of the secretome from MYB-modulated and control pancreatic cancer cell lines. We also performed in silico analyses to determine MYB-associated biofunctions, gene networks and altered biological pathways. We further investigated the secreted proteins for their potential biomarker properties.

2021-09-08 | PXD015126 | Pride

ChIP-Seq of Pax7 and Pax3 in myoblasts

Project description:Examination of binding locations of Pax3 and Pax7 in primary myoblasts UCSC track hub available at: http://www.ogic.ca/projects/Soleimani_2012_Pax7_hub/hub.txt For details on viewing the track hub in the UCSC Genome Browser: http://altair.dartmouth.edu/ucsc/goldenPath/help/hgTrackHubHelp.html#View 3 Samples (Control, Pax7 ChIP, Pax3 ChIP)

2012-05-22 | E-GEOD-25064 | biostudies-arrayexpress

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