Unknown,Transcriptomics,Genomics,Proteomics

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Aberrant chromatin acetylation in MLL-AF9 leukemia mediates the response to HDAC inhibition (ChIP-Seq)


ABSTRACT: We studied the chromatin modification patterns induced by the presence of the MLL-AF9 fusion protein in a model of human hematopoietic stem/progenitor cells (HSPC) transduced with retrovirus expressing MLL-AF9cDNA (HSPC-MA9). Comparative ChIP-seq analysis between HSPC-MA9 and control HSPC, revealed a massive hyperacetylation of histones that was consistent with the transcriptional profile in the presence of MLL-AF9 fusion protein. Furthermore, we identified 66 MLL-AF9 targets, and found that H4ac was present along with H3K4me3 and H3K79me2 chromatin marks in over 50% of the MLL-AF9 target genes. Examination of histone aceylation and methylation changes upon expression of MLL-AF9 fusion protein in human hematopoietic stem/progenitor cells.

ORGANISM(S): Homo sapiens

SUBMITTER: Sara Alvarez 

PROVIDER: E-GEOD-54344 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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