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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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MEIS2 is a novel oncogenic partner in AML1-ETO positive AML [Affymetrix]

ABSTRACT: MEIS2 collaborates with AML1-ETO in inducing acute myeloid leukemia in a murine bone marrow transplantation model We compared Gene expression profile (GEP) of murine bone marrow cells transduced with GFP, AML1-ETO, MEIS2, and AML1-ETO/MEIS2. Data from MEIS1 and AML1-ETO/MEIS1 is also included. Mouse bone marrow cells were kept in culture for 48hrs after retroviral transduction. GFP positive cells were then sorted and cells were kept for further 24 hours in culture before microarray analysis.

ORGANISM(S): Mus musculus

SUBMITTER: Medhanie Mulaw

PROVIDER: E-GEOD-81174 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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MEIS2 is a novel oncogenic partner in AML1-ETO positive AML [RNA-Seq mouse]

Project description:MEIS2 collaborates with AML1-ETO in inducing acute myeloid leukemia in a murine bone marrow transplantation model We employed RNA-seq to assess similarities/differences among murine leukemic bone marrow samples transduced with either AML1-ETO/Meis2, AML1-ETO9a/Meis2, or AML1-ETO9a

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MEIS2 is a novel oncogenic partner in AML1-ETO positive AML [RNA-Seq human]

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MEIS2 is a novel oncogenic partner in AML1-ETO positive AML [RNA-Seq human]

Project description:MEIS2 collaborates with AML1-ETO in inducing acute myeloid leukemia in a murine bone marrow transplantation model RNA-seq to evaluate consequence of MEIS2 Knock-down on the transcriptional profle of the t(8;21) positive Kasumi-1 cell line

2016-07-04 | E-GEOD-81328 | biostudies-arrayexpress

Transcription profiling of mouse bone marrow LSK cells transduced with wild type AML1/ETO or AML1/ETO harboring the W692A substitution in the MYND domain reveals a structural basis for recognition of SMRT/N-CoR by the MYND domain and its contribution to AML1/ETO activity

Project description:To examine the effects of disrupting the AML1/ETO MYND-SMRT interaction with the W692A substitution on AML1/ETO function, the global gene expression profile of mouse bone marrow LSK cells transduced with GFP was compared to that of cells transduced with either wild-type AML1/ETO or AML1/ETO harboring the W692A substitution in the MYND domain. Three independent biological replicates were assessed for both the control (GFP/MigR1) and AML1/ETO (intact MYND-SMRT interaction) conditions, whereas four independent biological replicates were assessed for the W692A (disrupted MYND-SMRT interaction) condition. The three GFP replicates were used to establish a baseline signal for comparison to both the AML1/ETO and W692A samples. Experiment Overall Design: Global gene expression profiles of FACS-sorted Lin-Sca1+cKit+ mouse bone marrow cells transduced with empty vector (GFP-MigR1), AML1/ETO, or AML1/ETO with the W692A substitution (W692A).

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Identification of gene targets of Meis2

Project description:The homeodomain protein Meis1 is essential for definitive hematopoiesis and vascular patterning in the mouse embryo. Meis2, another member of the same family, shares 82% protein identities with Meis1. Our present study suggested Meis2 exerts two distinguishable effects in differentiating ES cells. First, it increases the numbers of hematopoietic progenitors and extends their persistence in culture. Second, Meis2 skews hematopoietic differentiation by suppressing erythroid while enhancing megakaryocytic progenitor differentiation. To identify the underlying transcriptional bases of these actions, we carried out microarray analysis to compare the various populations of cells developing in ES differentiation cultures in the presence and absence of Meis2 induction. ES cells with dox-inducible Meis2 (A2lox.Meis2) were differentiated as embryoid bodies (EBs) for 6 days before plating on OP9-GFP cell monolayers and cytokines, and treated with (+) or without (-) doxycycline (dox). Cells were purified by cell sorting on day 7 or 8 into various populations based on levels of CD41 expression: GFP-CD41-, GFP-CD41+ (day 7) and GFP-CD41-,GFP-CD41int, and GFP-CD41hi (day 8). Gene expression of these purified populations was determined by microarray analysis.

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