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Integrative epigenomic analysis in MLL-AF9 acute myeloid leukemia (AML) and B-acute lymphoblastic leukemia (B-ALL)

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE71691 | GEO | 2017/03/15

SECONDARY ACCESSION(S): PRJNA291821

REPOSITORIES: GEO

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Integrative epigenomic analysis in MLL-AF9 acute myeloid leukemia (AML) and B-acute lymphoblastic leukemia (B-ALL)

Project description:Next generation DNA sequencing of acute myeloid leukemia (AML) patient samples has revealed novel recurrent mutations while at the same time highlighting the genetic heterogeneity of the disease. These observations suggest that an extraordinarily large number of combinations of mutations can contribute to leukemogenesis. In order to address the question of the contribution of patient genetic background to AML we have developed a model system to generate multiple human leukemias in a single donor’s genetic background. Stepwise RNA-seq data from this model shows that in the context of AML driven by the MLL-AF9 (MA9) oncogene, the genetic background of the donor does not have a detectable effect. Comparison of these model leukemias from multiple single donors to AML patient samples containing MA9 translocations revealed conserved gene expression patterns not previously highlighted in this genetic sub-type. We further demonstrate that the expression of one of these genes, RET, is essential both in vivo and in vitro growth of MA9 AMLs .

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Integrative epigenomic analysis in MLL-AF9 acute myeloid leukemia (AML) and B-acute lymphoblastic leukemia (B-ALL)

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