Transcriptomics

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Transcription profiling of mouse erythroblasts during erythroid differentiation


ABSTRACT: The I/11 and R10 erythroid progenitor cell line was cultivated in serum free medium (StemPro34) supplemented with Epo (0,5U/ml), SCF (100ng/ml) and dexamethasone (10-6M). To identify genes specifically regulated by Epo/SCF-induced polysome recruitment, cells were factor deprived for 4h and subsequently treated for 2h with 5U/ml Epo and 200ng/ml SCF or left untreated. Subsequently we isolated both total and polysome bound mRNA from each condition, which was hybridised to oligonucleotide arrays (Affymetrix). Analysis of data with Rosetta Resolver allowed to identify and compare Epo/SCF induced gene expression in total and polysome bound RNA. To assess gene expression during erythroid differentiation, cells were induced to differentiate in presence of 5U/ml Epo and 0.5mg/ml Fe-loaded transferrin. Polysome bound mRNA was isolated from cells proliferating in presence of Epo, SCF and dexamethasone (renewal conditions), and from cells induced to differentiate for 48h or 60h.

INSTRUMENT(S): 418 [Affymetrix]

ORGANISM(S): Mus musculus  

SUBMITTER: Godfrey Grech  

PROVIDER: E-MEXP-1689 | ArrayExpress | 2008-07-11

REPOSITORIES: ArrayExpress

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