MEIS1-HLF axis regulates oxidative metabolism and is essential for MLL-fusion gene leukemia
Transcriptomics Dataset
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General Information
AccessionGSE58732
TitleMEIS1-HLF axis regulates oxidative metabolism and is essential for MLL-fusion gene leukemia
DescriptionThe pathogenesis of MLL-fusion gene leukemias has been linked to upregulated expression of HOX genes and of the HOX-cofactor Meis1.The functions of the HOX/MEIS1 complex in leukemia however remain unclear. Here, we used inducible MEIS1-knockout mice coupled with MLL-AF9 knockin mice to decipher the role of MEIS1 in leukemia. We found that MEIS1 was critically required for established leukemia. Further, MEIS1 loss led to increased oxygen flux and apoptosis, while hypoxia reversed these effects. Finally, we identify HLF as a downstream mediator of MEIS1 in leukemia. Overexpression of HLF prevents oxygen flux and rescues the leukemia phenotype in MEIS1-deficient cells. Thus, the oncogenic effects of MEIS1 are at least partly mediated by an HLF-driven hypoxic state.
Landing Pagehttps://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE58732
RepositoryGene Expression Omnibus
Tools used to analyze the dataset
Dataset Accession
ARCHS4
Published September 2017
ARCHS4 provides access to gene counts from HiSeq 2000 and HiSeq 2500 platforms for human and mouse experiments from GEO ...
4645
Clustergrammer
Published October 2017
Web-based tool for visualizing and analyzing high-dimensional data as interactive and shareable heatmaps
4645
Canned Analyses generated with the dataset
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Interactive heatmap visualization of RNA-seq dataset GSE58732
ARCHS4, Clustergrammer
Highly interactive web-based heatmap visualization of the top 500 most variable genes in t...
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