Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from a human MLL-AF6 positive AML cell line

ABSTRACT: The MLL gene on chromosome 11 fuses to the AF6 gene on chromosome 6 in a balanced chromosomal translocation that is characetristic of certain adult and pediatric human leukemias. We established a murine leukemia model of MLL-AF6 using the retroviral MLL-AF6 contruct in a bone marrow transplantation system. The ML2 human MLL-AF6 positive leukemia cell line was used for gene expression profiling to assess the transctiptional profile in MLL-AF6 leukemias. RNA was extracted from the ML2 cell line cultured under standard conditionswith TRIZOL (Invitrogen), purified using RNAeasy(Qiagen) and hybridized onto Affymetrix arrays.

ORGANISM(S): Homo sapiens

SUBMITTER: Amit Sinha 

PROVIDER: E-GEOD-43068 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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The t(6;11)(q27;q23) is a recurrent chromosomal rearrangement that encodes the MLLAF6 fusion oncoprotein and is observed in patients with diverse hematologic malignancies. The presence of the t(6;11)(q27;q23) has been linked to poor overall survival in patients with AML. In this study, we demonstrate that MLL-AF6 requires continued activity of the histone-methyltransferase DOT1L to maintain expression of the MLL-AF6-driven oncogenic gene-expression program. Using gene-expression analysis and gen  ...[more]

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