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Comparison of gene expression profiles of p45-/- primary megakaryocytes and WT primary megakaryocytes


ABSTRACT: Whole livers were collected from mouse fetuses at embryonic day 13.5 (E13.5), and single-cell suspensions were prepared by successive passage through 25-gauge needles. Fetal liver cells were maintained in RPMI1640 (Wako, Osaka, Japan) supplemented with 20% charcoal-stripped fetal bovine serum (FBS), 100 U/ml penicillin, 100µg/ml streptomycin, and 50ng/ml recombinant human thrombopoietin (TPO) (generously provided by Kyowa Hakko Kirin Co. Ltd.). Megakaryocytes were harvested for RNA purification from a day-3 culture. CD41+ cells were enriched using biotinylated anti-CD41 antibody (Serotec; clone MWReg30) and streptavidin-coupled Dynabeads (Dynal Biotech ASA) from a culture of E13.5 fetal liver cells of WT and p45–/– mice. Total RNA was purified from the sorted CD41+ cells. Gene expression was measured in primary megakaryocytes cultured from p45-/- fetal livers and wild type fetal livers at E13.5. Three independent experiments were performed.

ORGANISM(S): Mus musculus

SUBMITTER: Hozumi Motohashi 

PROVIDER: E-GEOD-35645 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications


NF-E2 is a heterodimeric transcription factor consisting of p45 and small Maf subunits. Since p45(-/-) mice display severe thrombocytopenia, p45 is recognized as a critical regulator of platelet production from megakaryocytes. To identify direct p45 target genes in megakaryocytes, we used chromatin immunoprecipitation (ChIP) sequencing to analyze the genome-wide chromatin occupancy of p45 in primary megakaryocytes. p45 target gene candidates obtained from the analysis are implicated in the produ  ...[more]

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