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Wnt & LIF signalling in mESC

ABSTRACT: The molecular processes underlying the properties of ESC are yet unknown even when it's well established that LIF/STAT3 is neccesary for the maintenance of pluripotency. Other pathways as Wnt are may be implicated in the regulation of the biological mechanisms in mESC. Work model: D3-ES cultivated with or without LIF and treated with chronic (7 days) low doses (50nM) of GSK3 β inhibitor (lithium). We used microarrays to detail the global profile of gene expression to identified different groups of up and down-regulated genes in the work model.

ORGANISM(S): Mus musculus

PROVIDER: GSE11628 | GEO | 2009/12/31

SECONDARY ACCESSION(S): PRJNA106143

REPOSITORIES: GEO

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Wnt & LIF signalling in mESC

Project description:The molecular processes underlying the properties of ESC are yet unknown even when it's well established that LIF/STAT3 is neccesary for the maintenance of pluripotency. Other pathways as Wnt are may be implicated in the regulation of the biological mechanisms in mESC. Work model: D3-ES cultivated with or without LIF and treated with chronic (7 days) low doses (50nM) of GSK3 β inhibitor (lithium). We used microarrays to detail the global profile of gene expression to identified different groups of up and down-regulated genes in the work model. mESC cultivated as it has been defined in the work model were prepared for RNA extraction and hybridization on Affymetrix microarrays. We analyzed 3 independent experiments per replicate, and we did three replicates per sample.

2009-12-30 | E-GEOD-11628 | biostudies-arrayexpress

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Project description:Leukemia Inhibitory Factor (LIF) plays an essential role in the maintenance of pluripotency of mouse embryonic stem cells (mESCs). LIF withdrawal induces mESC differentiation. To define noval pluripotent factors downstream of LIF signaling, cDNA microarray was used and seveal well-known pluripotent genes were found to respond to LIF withdrawal, including Klf4, Esrrb, Tbx3, and Prdm14.

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