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TranscriptomicsTranscription profiling of human Acute Lymphoblastic Leukemia CEM_C1 cells treated with rapamycin identifies rapamycin as a glucocorticoid resistance reversal agent
Drug resistance remains a major obstacle to successful cancer treatment. Here we use a novel approach to identify rapamycin as a glucocorticoid resistance reversal agent. A database of drug-associated gene expression profiles was screened for molecules whose profile overlapped with a gene expression...
ORGANISM(S): Homo sapiens 
2008-11-06 | E-GEOD-5824 | biostudies-arrayexpress
TranscriptomicsExpression data from a human MLL-AF6 positive AML cell line
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 ...
ORGANISM(S): Homo sapiens 
2013-04-03 | E-GEOD-43068 | biostudies-arrayexpress
TranscriptomicsExpression profiling of secondary wild type (WT) and Ezh2-null murine MLL-AF9 AML
We evaluated gene expression changes in secondary recipient murine leukemia caused by retroviral overexpression of MLL-AF9. We compared wild-type (WT) leukemia cells with mutant leukemia cells after cre-mediated inactivation of a homozygous conditional allele for Ezh2, a component of the Polycomb Re...
ORGANISM(S): Mus musculus 
2012-02-22 | E-GEOD-34961 | biostudies-arrayexpress
TranscriptomicsGene expression data from children diagnosed with ALL in vitro sensitive or resistant to prednisolone
Although the prognosis for childhood Acute Lymphoblastic Leukemia (ALL) in general has improved tremendously over the last decades, the survival chances for infants (<1 year of age) with ALL remains poor. A major obstacle hampering successful treatment results in infant ALL is cellular resistance to...
ORGANISM(S): Homo sapiens 
2009-12-15 | E-GEOD-19143 | biostudies-arrayexpress
TranscriptomicsExpression profiling of primary wild type (WT), Ezh2-null and Eed-null murine MLL-AF9 AML
We evaluated gene expression changes in murine leukemia caused by retroviral overexpression of MLL-AF9. We compared wild-type (WT) leukemia cells with mutant leukemia cells after cre-mediated inactivation of homozygous conditional alleles for Ezh2 or Eed, both of which are components of the Polycomb...
ORGANISM(S): Mus musculus 
2012-02-22 | E-GEOD-34959 | biostudies-arrayexpress
GenomicsEpigenetic profiling of hematopoietic stem cells and leukemia stem cells
The histone 3 lysine 79 (H3K79) methyltransferase Dot1l has been implicated in the development of leukemias bearing translocations that involve the Mixed Lineage Leukemia (MLL) gene. We identified the MLL-fusion targets in a murine MLL-AF9 leukemia model, and conducted epigenetic profiling for H3K7...
ORGANISM(S): Mus musculus 
2011-09-13 | E-GEOD-29130 | biostudies-arrayexpress
GenomicsGenome wide mapping of histone 3 lysine 79 dimethylation in MLL-AF6 murine leukemias
We report the genome wide distribution of H3K79 dimethylation in mouse MLL-AF6 positive leukemias to assess whether this epigenetic mark drives MLL-target gene expression. Examination of H3K79 dimethylation in bone marrow cells from sacrificed terminally ill MLL-AF6 positive leukemic mice. The retr...
ORGANISM(S): Mus musculus 
2013-04-03 | E-GEOD-43062 | biostudies-arrayexpress
TranscriptomicsExpression data from MLL-AF6 positive leukemia cells
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 ...
ORGANISM(S): Mus musculus 
2013-04-03 | E-GEOD-43067 | biostudies-arrayexpress
TranscriptomicsExpression changes after loss of Dot1l in murine MLL-AF9 leukemia cells
MLL-fusions may induce leukemogenic gene expression programs by recruiting the histone H3K79 methyltransferase to MLL-target promoters. We evaluated gene expression changes after cre-mediated loss of Dot1l in leukemia cells obtained from mice injected with MLL-9 transformed lineage negative bone mar...
ORGANISM(S): Mus musculus 
2011-09-12 | E-GEOD-25911 | biostudies-arrayexpress
GenomicsGenome wide mapping of histone 3 lysine 79 dimethylation in MLL rearranged and control human leukemia cell lines
We report the genome wide distribution of H3K79 dimethylation in the human MLL-AF6 rearranged cell line ML2 as well as the human MOLM13 and HL60 cell lines Examination of H3K79 dimethylation in the MLL-AF6 fusion positive human leukemia cell line ML2 and control cell lines MOLM-13 and HL60. The MLL...
ORGANISM(S): Homo sapiens 
2013-04-03 | E-GEOD-43063 | biostudies-arrayexpress
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