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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Comparison of gene expression changes in AML cells after SMARCA4, SMARCD2 or DPF2 knock-down

ABSTRACT: We explored the role of SMARCA4 and the two Brahma associated factors SMARCD2 and DPF2 in leukaemia. We observed the selective requirement for these factors for leukemic cell expansion, as well as extended survival of mice transplanted with leukaemic cells with reduced expression of these genes. Gene expression profiling revealed largely similar alterations with the down-regulation of each of these three factors, suggesting a concerted function in transformed blood cells. These changes included loss of pluripotency-associated signature but did not correlate with c-MYC down-regulation. Human acute monocytic leukemia cells (THP-1, ACC 16) were lentivirally transduced with pLKO-puro vectors carrying shRNAs against SMARCA4, SMARCD2 or DPF2. As a negative control, THP-1 cells were transduced with pLKO-puro-shScr (Scrambled). All samples were prepared as biological triplicates.

ORGANISM(S): Homo sapiens

SUBMITTER: Kristian Helin

PROVIDER: E-GEOD-67923 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Comparison of gene expression changes in AML cells after SMARCA4, SMARCD2 or DPF2 knock-down

Project description:We explored the role of SMARCA4 and the two Brahma associated factors SMARCD2 and DPF2 in leukaemia. We observed the selective requirement for these factors for leukemic cell expansion, as well as extended survival of mice transplanted with leukaemic cells with reduced expression of these genes. Gene expression profiling revealed largely similar alterations with the down-regulation of each of these three factors, suggesting a concerted function in transformed blood cells. These changes included loss of pluripotency-associated signature but did not correlate with c-MYC down-regulation.

2015-07-12 | GSE67923 | GEO

Knock down of C11orf67 by shRNA in SUM52PE

Project description:SUM52PE cells were lentivirally transduced with PKLO empty vector control (Sigma SHC001 MISSION PLKO.1-PURO CONTROL VECTOR) or shRNA specific for C11orf67 (Sigma Clone ID: NM_024684.2-280s21c1 SHCLND-NM_024684 TRCN0000263814) in biological triplicates. Differentially regulated targets by the shRNA relative to empty vector control were determined.

2020-12-24 | GSE92893 | GEO

Individual SRC-2 and SRC-3 knock-down in MCF-7 cells

Project description:Experimental aim: identification of SRC-2 and SRC-3-related genes in MCF-7 breast cancer cells. Experimental workflow: 1. shRNA transduction. MCF-7 cells were transduced with a mix of lentiviral particles containing five individual lentiviral pLKO.1-puro short hairpin (sh) RNA plasmids targeting different sequences on SRC-2 or SRC-3 mRNA and a pLKO.1-puro empty vector control. The puromycin selections were maintained for three weeks to obtain cells containing stably integrated shRNA. 2. Sample preparation. RNA was extracted from eight independent replicates expressing the pLKO.1-puro empty shRNA vector (shKTR), from eight replicates of SRC-2 shRNA expressing cells (shSRC-2), and from seven replicates of SRC-3 shRNA expressing cells (shSRC-3). 300 ng of total RNA from each cell sample was biotin-labelled and amplified.

2019-07-01 | E-MTAB-7018 | biostudies-arrayexpress

Dpf2 interactome in mouse embryonic stem cells

Project description:Dpf2 is a subunit of the BAF/pBAF chromatin remodelling complex. We have used cross-linking affinity purification-mass spectrometry to explore Dpf2 protein interactions in mouse embryonic stem cells.

2019-11-13 | PXD011806 | Pride

Ectopical expression of miR-125b by lentiviral-vector in neuroblastoma cell line SKNDZ

Project description:Differential expression of mRNA were conducted in neuroblastoma cell line SKNDZ, which successfully transduced human miR-125b MYCN-amplification SKNDZ neuroblastoma cell line was transduced with MIRN125B2 gene with lentiviral vector (pLKO.1-puro), and selected by puromycin for 48 hours. Then the total RNA was extracted and analyzed the differential expression of a total of 29,187 genes by Oligonucleotide DNA microarray.

2013-12-01 | E-GEOD-48468 | biostudies-arrayexpress

Genome-wide maps of DPF2 and H3K14 modifications in K562 cells

Project description:we report DPF2 and H3K14 modifications in K562 cells

2020-12-01 | GSE112967 | GEO

Opposing Role of Dpf2 and Eed on Differentiation of Mouse Embryonic Stem Cells via Regulating Tbx3 (ChIP-seq)

Project description:ChIP-seq experiments of 3xFlag-Dpf2, Oct4, Sox2 and several histone marks were performed in wild-type and Dpf2 -/- cells to investigate the effect of Dpf2 on the binding of those factors.

2018-11-23 | E-MTAB-6165 | biostudies-arrayexpress

Methylation analysis of STAT3 targets in gastric cancer cells

Project description:To investigate the knockdown effect of STAT3 on DNA methylation on gastric cancer cells, genome wide DNA methylation profiling of AGS transfected with pLKO.1-puro-shGFP or shSTAT3 generated from Illumina Infinium MethylationEPIC.

2019-06-04 | GSE109541 | GEO

Opposing Role of Dpf2 and Eed on Differentiation of Mouse Embryonic Stem Cells via Regulating Tbx3 (4C)

Project description:4C experiments of wild-type and Dpf2 -/- cells to investigate the effect of Dpf2 on the chromatin contacts of Tbx3 locus.

2018-11-30 | E-MTAB-6197 | biostudies-arrayexpress

The study of dpf2 in mouse ES cells

Project description:Brg-or Brm-associated factor (BAF) complexes, is a 12 subunit complex which contains an ATPase subunit, Brg or Brm, that uses energy derived from ATP hydrolysis to disrupt histone:DNA contacts to catalyze transcriptional events such as promoting gene expression or repression. Genetic studies in mice demonstrated that BAF complexes are essential for early embryonic development and pluripotency. ES cells express distinctive compleses, termed esBAF complexes by the presence of BAF155, Brg, BAF60a. Purification of Brg and Brm-associated proteins reveals a new family of four stoichiometric subunits of mSWI/SNF or BAF complexes which was termed BAF45a, b, c, and d. The progenitors to both neurons and glia are maintained in a proliferative state by a specified SWI/SNF-like npBAF complex that contains both BAF45a and BAF53a. The transition from proliferative to neurogenic divisions requires the exchange of these subunites for the homologous BAF45b or BAF45c and BAF53b proteins. The function of BAF45d remwains unclear so far.At present, we found that the knockout of dpf2 in ES cells impared the differention of ES cells. We will identify the target genes of dpf2 by Chip-seq so that we could study how dpf2 affect the differentiation of ES cells into germ layers.Protocol: DNA was prepared from ES cells by standard ChIP method. This data is part of a pre-publication release. For information on the proper use of pre-publication data shared by the Wellcome Trust Sanger Institute (including details of any publication moratoria), please see http://www.sanger.ac.uk/datasharing/

2013-09-30 | E-ERAD-24 | biostudies-arrayexpress

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