Dataset Information


Transcriptome analysis of miR-144/451-null bone marrow erythroid cells

ABSTRACT: microRNA miR-144/451 is highly expressed during erythropoiesis. We deleted the miR-144/451 gene locus in mice and compared the transcriptomes of miR-144/451-null bone marrow erythroid precursors to stage-matched wild-type control cells. Ter119+/CD71+/FSC-high bone marrow erythroblasts were sorted directly into Trizol LS reagent. Total RNAs extracted from three miR-144/451 knock-out and three wide type mice were analyzed using Affymetrix Mouse Genome 430 2.0 Arrays.

ORGANISM(S): Mus musculus  

SUBMITTER: Duonan Yu   Mitchell J Weiss 

PROVIDER: E-GEOD-21041 | ArrayExpress | 2010-07-15



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The bicistronic microRNA (miRNA) locus miR-144/451 is highly expressed during erythrocyte development, although its physiological roles are poorly understood. We show that miR-144/451 ablation in mice causes mild erythrocyte instability and increased susceptibility to damage after exposure to oxidant drugs. This phenotype is deeply conserved, as miR-451 depletion synergizes with oxidant stress to cause profound anemia in zebrafish embryos. At least some protective activities of miR-451 stem from  ...[more]

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