Dataset Information


ChIP-seq for the identification of enhancer and super enhancers in Acute Myeloid Leukemia cells with a 3q-aberration

ABSTRACT: To infer enhancers and super enhancers in Acute Myeloid Leukemia (AML) Cell lines with a 3q-aberration we determined regions enriched for H3K27AC, H3K4ME3, H3K4ME1, P300, and BRD4 in MOLM1. Additionally we determined regions enriched for P300 and BRD4 in the cell line Mutz3 which also harbors a 3q-aberration. As an control we performed Chip-Seq to determine enrichment for BRD4 in K562, which overexpresses the proto-oncogene EVI1, but has no apparent 3q-aberration. Ultimately, the ChipSeq experiments were utilized to infer which enhancer or super enhancer drives the overexpression of EVI1 in AMLs with a 3q-aberration. Finally, the effect of the compound JQ1 on the inferred super enhancers and the overexpression of EVI1 is tested by treating the cell line MOLM1 for 6 hours and determining the residual binding of BRD4.

INSTRUMENT(S): Illumina HiSeq 2500

ORGANISM(S): Homo sapiens  

SUBMITTER: Ruud Delwel   Mathijs A. Sanders   Stefan Groschel  

PROVIDER: E-MTAB-2224 | ArrayExpress | 2014-04-03



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The proto-oncogene EVI1 (ecotropic viral integration site-1), located on chromosome band 3q26, is aberrantly expressed in human acute myeloid leukemia (AML) with 3q26 rearrangements. In the current study, we showed, in a large AML cohort carrying 11q23 translocations, that ∼ 43% of all mixed lineage leukemia (MLL)-rearranged leukemias are EVI1(pos). High EVI1 expression occurs in AMLs expressing the MLL-AF6, -AF9, -AF10, -ENL, or -ELL fusion genes. In addition, we present evidence that EVI1(pos)  ...[more]

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