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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Maintenance of Leukemic Cell Identity by the Activity of the Polycomb Complex PRC1 (RNA-seq)

ABSTRACT: These data include RNA Seq data generated from Ring1b wild type and Ring1b KO Ring1a-/- Cdkn2a-/- Lin- HSC cells non-transduced or transduced with MLL-AF9, HOXA9 and PML-RARa. Total RNA extracted from Ring1b wild type and Ring1b KO Ring1a-/- Cdkn2a-/- Lin- HSC cells non-transduced or transduced with MLL-AF9, HOXA9 and PML-RARa.

ORGANISM(S): Mus musculus

SUBMITTER: Sri Ganesh Jammula

PROVIDER: E-GEOD-67517 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Maintenance of leukemic cell identity by the activity of the Polycomb complex PRC1 in mice.

Rossi Alessandra A Ferrari Karin J KJ Piunti Andrea A Jammula SriGanesh S Chiacchiera Fulvio F Mazzarella Luca L Scelfo Andrea A Pelicci Pier Giuseppe PG Pasini Diego D

Science advances 20161007 10

Leukemia is a complex heterogeneous disease often driven by the expression of oncogenic fusion proteins with different molecular and biochemical properties. Whereas several fusion proteins induce leukemogenesis by activating <i>Hox</i> gene expression (Hox-activating fusions), others impinge on different pathways that do not involve the activation of <i>Hox</i> genes (non-Hox-activating fusions). It has been postulated that one of the main oncogenic properties of the HOXA9 transcription factor i ...[more]

PMID: 27730210

Similar Datasets

Maintenance of Leukemic Cell Identity by the Activity of the Polycomb Complex PRC1 (RNA-seq)

Project description:These data include RNA Seq data generated from Ring1b wild type and Ring1b KO Ring1a-/- Cdkn2a-/- Lin- HSC cells non-transduced or transduced with MLL-AF9, HOXA9 and PML-RARa.

2016-10-21 | GSE67517 | GEO

Maintenance of Leukemic Cell Identity by the Activity of the Polycomb Complex PRC1 (ChIP-seq)

Project description:These data include the genome wide occupancy of H2AUbq by ChIP sequencing in Cdkn2a-/- Lin- HSC cells non-transduced or transduced with MLL-AF9, HOXA9 and PML-RARa. Immuno-precipitation of formaldehyde cross-linked chromatin prepared from Cdkn2a-/- Lin- HSC cells non-transduced or transduced with MLL-AF9, HOXA9 and PML-RARa using H2AK119Ubq antibody.

2016-10-21 | E-GEOD-67498 | biostudies-arrayexpress

Maintenance of Leukemic Cell Identity by the Activity of the Polycomb Complex PRC1 (ChIP-seq)

Project description:These data include the genome wide occupancy of H2AUbq by ChIP sequencing in Cdkn2a-/- Lin- HSC cells non-transduced or transduced with MLL-AF9, HOXA9 and PML-RARa.

2016-10-21 | GSE67498 | GEO

Maintenance of Leukemic Cell Identity by the Activity of the Polycomb Complex PRC1 (RNA-seq_2)

Project description:These data include RNA Seq data generated from wild type and Ring1a Ring1b dKO Cdkn2a-/- MLL-AF9 Leukemic cells

2016-10-21 | GSE85328 | GEO

PBX3 cooperates with MEISI in causing rapid acute myeloid leukemia and recapitulates the core transcriptome of MLL-rearranged leukemia

Project description:To investigate whether co-expression of PBX3/MEIS1 can mimic that of MLL-AF9, HOXA9/MEIS1 or HOXA9/PBX3 in inducing leukemogenesis, we conducted in vivo mouse bone marrow transplantation (BMT) assays. Briefly, normal mouse bone marrow (BM) progenitor (i.e., lineage negative; Lin-) cells collected from B6.SJL (CD45.1) donor mice (CD45.1) were retrovirally co-transduced with MSCVneo-MLL-AF9+MSCV-PIG (MLL-AF9), MSCVneo-HOXA9+MSCV-PIG (HOXA9), MSCVneo-HOXA9+MSCV-PIG-MEIS1 (HOXA9+MEIS1), MSCVneo-HOXA9+MSCV-PIG-PBX3 (HOXA9+PBX3), MSCV-PIG-PBX3+MSCVneo-MEIS1 (PBX3+MEIS1), MSCVneo+MSCV-PIG-PBX3 (PBX3) , MSCVneo+MSCV-PIG-MEIS1 (MEIS1), or MSCVneo+MSCV-PIG (normal control; NC). Retrovirally transduced cells then were cultured with cytokines as well as puromycin and G418. Seven days later, the donor cells were transplanted into lethally irradiated (960 rads) 8- to 10-week-old C57BL/6 (CD45.2) recipient mice. The transplanted mice were watched for leukemogenesis. Then, gene expression profiling was conducted with bone marrow samples collected from leukemia groups and control group.

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Genes differentially expressed in MLL-AF9-transduced versus HOXA9/MEIS1-transduced LSK cells

Project description:HOXA9 and MEIS1 are essential downstream effectors of the MLL-AF9 oncoprotein during leukaemia induction. Leukaemia derived from MLL-AF9-transduced LSK cells has a more aggressive phenotype than that derived from HOXA9/MEIS1-transduced LSK cells. To determine differential gene expression that contributes to increased aggressiveness in MLL-AF9-induced leukaemia, microarray was performed on LSK cells transduced with MLL-AF9 versus HOXA/MEIS1 oncogenes.

2019-07-03 | E-MTAB-7355 | biostudies-arrayexpress

miRNAs differentially expressed in MLL-AF9-transduced versus HOXA9/MEIS1-transduced LSK cells

Project description:HOXA9 and MEIS1 are essential downstream effectors of the MLL-AF9 oncoprotein during leukemia induction. Leukemia derived from MLL-AF9-transduced LSK cells has a more aggressive phenotype than that derived from HOXA9/MEIS1-transduced LSK cells. To determine differential miRNA expression that contributes to increased aggressiveness in MLL-AF9-induced leukemia, miRCURY LNA microRNA Array was performed on LSK cells transduced with MLL-AF9 versus HOXA/MEIS1 oncogenes.

2019-07-03 | E-MTAB-7356 | biostudies-arrayexpress

PML-RARA fusion gene requires Dnmt3a to induce acute promyelocytic leukemia in mice

Project description:Loss of function mutations in the DNA methyltransferase DNMT3A are highly recurrent in acute myeloid leukemia (AML). DNMT3A and DNMT3B encode the two methyltransferases that are primarily responsible for the de novo methylation of specific DNA sequences during cellular differentiation. DNMT3A mutations are rarely found in AML patients with translocations that create oncogenic fusion genes (e.g. PML-RARA, RUNX1-RUNX1T1, CBFB-MYH11, and MLL-X). To begin to define the reasons why these mutations do not occur together, we used retroviral vectors to express PML-RARA, RUNX1-RUNX1T1, and MLL-AF9 in the bone marrow cells of wild type (WT) or Dnmt3a deficient mice; we also examined the hematopoietic phenotypes of Ctsg-PML-RARA animals (which express PML-RARA in early hematopoietic progenitors and myeloid precursors) with and without Dnmt3a. We demonstrated that the methyltransferase activity of Dnmt3a (but not Dnmt3b) is required for aberrant self-renewal ex vivo that is driven by PML-RARA (but not RUNX1-RUNX1T1 or MLL-AF9); furthermore, the PML-RARA-driven competitive transplantation advantage and leukemia generation both required Dnmt3a. Together, these findings demonstrate that PML-RARA is specifically dependent on Dnmt3a to initiate APL in mice, and may explain why loss-of-function DNMT3A mutations are not found in patients with acute promyelocytic leukemia.

2015-10-01 | GSE68844 | GEO

Maintenance of Leukemic Cell Identity by the Activity of the Polycomb Complex PRC1 (ChIP-seq_2)

Project description:These data include the genome wide occupancy of H2AUbq and H3K27me3 by ChIP sequencing in Ring1a-/-;Ring1bf/f Cdkn2a-/- MLL-AF9 leukemic cells treated with OHT or EtOH

2016-10-21 | GSE85327 | GEO

Role of polycomb repressive complex 1 in the intestinal homeostasis [RNA-seq 2]

Project description:These data include RNA Seq data generated from wild type and Ring1a Ring1b dKO Villi from Rosa26-CreERT2 Cdkn2a-/- and Rosa26-CreERT2 Cdkn2a-/- Ring1a-/- Ring1bf/f mice. Total RNA extracted from wild type and Ring1a Ring1b dKO Villi.

2015-10-29 | E-GEOD-71948 | biostudies-arrayexpress

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