Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from AML1-ETO (AE)-expressing murine bone marrow (BM) cells treated with retinoids


ABSTRACT: AE-expressing murine BM cells treated with all-trans retinoic acid (ATRA) in semi-solid methycellulose-based cultures show an increase in self-renewal capacity whilst treatment with a specific RARa agonist NRX195183 reduces their clonogenicity. Gene expression analysis was performed to further investigate the molecular mechanisms underlying these observations. Upregulated gene sets were identified in the ATRA-treated AE BM cells. 3 C57Bl/6 AML1-ETO-stop/+/Mx-Cre+ mice (#D203, 218 and 220) were treated with polyI:C to excise the stop codon allowing AML1-ETO expression. 2-4 weeks following completion of polyI:C administration, mice were euthanised and BM cells harvested. BM cells were cultured in semi-solid methylcellulose assays with cytokines for 2 weeks; then cells were harvested, pooled and replated in suspension cultures containing cytokines and the respective treatments - DMSO (control), ATRA and the specific RARa agonist NRX195183. At the 8 hour (8H) and 24 hour (24H) timepoints, cells were harvested for RNA extraction and processing.

ORGANISM(S): Mus musculus

SUBMITTER: Lynette Chee 

PROVIDER: E-GEOD-39883 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

ATRA and the specific RARα agonist, NRX195183, have opposing effects on the clonogenicity of pre-leukemic murine AML1-ETO bone marrow cells.

Chee L C Y LC   Hendy J J   Purton L E LE   McArthur G A GA  

Leukemia 20121211 6


All-trans retinoic acid (ATRA) is used successfully in the treatment of acute promyelocytic leukemia (APL). ATRA enhances hematopoietic stem cell self-renewal through retinoic acid receptor (RAR)γ activation while promoting differentiation of committed myeloid progenitors through RARα activation. Its lack of success in the treatment of non-APL acute myeloid leukemia (AML) may be related to ATRA's non-selectivity for the RARα and RARγ isotypes, and specific RARα activation may be more beneficial  ...[more]

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