Human Gene Set: MARTENS_TRETINOIN_RESPONSE_UP


Standard name MARTENS_TRETINOIN_RESPONSE_UP
Systematic name M2098
Brief description Genes up-regulated in NB4 cells (acute promyelocytic leukemia, APL) in response to tretinoin [PubChem=444795]; based on Chip-seq data.
Full description or abstract Many different molecular mechanisms have been associated with PML-RARalpha-dependent transformation of hematopoietic progenitors. Here, we identified high confidence PML-RARalpha binding sites in an acute promyelocytic leukemia (APL) cell line and in two APL primary blasts. We found colocalization of PML-RARalpha with RXR to the vast majority of these binding regions. Genome-wide epigenetic studies revealed that treatment with pharmacological doses of all-trans retinoic acid induces changes in H3 acetylation, but not H3K27me3, H3K9me3, or DNA methylation at the PML-RARalpha/RXR binding sites or at nearby target genes. Our results suggest that PML-RARalpha/RXR functions as a local chromatin modulator and that specific recruitment of histone deacetylase activities to genes important for hematopoietic differentiation, RAR signaling, and epigenetic control is crucial to its transforming potential.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 20159609   Authors: Martens JH,Brinkman AB,Simmer F,Francoijs KJ,Nebbioso A,Ferrara F,Altucci L,Stunnenberg HG
Exact source Table S6 upregulated genes
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Source species Homo sapiens
Contributed by Arthur Liberzon (MSigDB Team)
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Version history 3.1: First introduced

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