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Expression profile of MEFs, iPS, and ES in different culture condition

ABSTRACT: MEFs can be reprograming to ES by defined reprogramming factors, the derived ES-like cells were termed iPSc. Completely reprogrammed iPSc have identifed gene expression profle with ES. Culture condition may influent the pluripotency of iPSCs.iPS/ES cultured in differient ES medium may have different gene expression profile.

ORGANISM(S): Mus musculus

PROVIDER: GSE24861 | GEO | 2010/10/27

SECONDARY ACCESSION(S): PRJNA133413

REPOSITORIES: GEO

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Expression profile of MEFs, iPS, and ES in different culture condition

Project description:MEFs can be reprograming to ES by defined reprogramming factors, the derived ES-like cells were termed iPSc. Completely reprogrammed iPSc have identifed gene expression profle with ES. Culture condition may influent the pluripotency of iPSCs.iPS/ES cultured in differient ES medium may have different gene expression profile. We preform an experiment to analyze the gene expression difference among MEFs cultured in FBS and iCD1,iPSc cultured in KSR medium and N2B27 supplementary with 2i medium , and ES cultured in N2B27 supplementary with 2i medium.

2010-10-27 | E-GEOD-24861 | biostudies-arrayexpress

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Project description:Purposes: (1) compare the SUMO chromatin landscape between mouse embryonic fibroblasts (MEFs) and embryonic stem cells (ESc) (2) Decipher how hyposumoylation enhances MEF to induced pluripotent stem cells (iPSc) reprogramming (3) Decipher how hyposumoylation enhances ESc to 2C-like cells conversion. Methods : (1) ChIP-seq in MEFs and ESc for SUMO isoforms and histone marks. (2) ChIP-seq for transcription factors and histone marks at day 4 of MEF to iPSc reprogramming comparing wild type (shCtrl) and hyposumoylated cells (shUbc9). ATAC-Seq at day 4 of MEF to iPSc reprogramming comparing wild type (shCtrl) and hyposumoylated cells (shUbc9). RNA-Seq in MEFs, iPSc, at day 4 and day 7 of MEF to iPSc reprogramming comparing wild type (shCtrl) and hyposumoylated cells (shUbc9). (3) RNA-Seq in ESc comparing wild-type (siCtrl) and hyposumoylated cells (siUbc9). Results: (1) SUMO chromatin landscape is highly different between MEFs and ESc and associates to distinct chromatin marks. (2) Hyposumoylation enhances MEFs to iPSc reprogramming by favoring the extinction of the MEF transcriptional program and redistributing pluripotency factors from MEF enhancers toward ES enhancers. (3) Hyposumoylation enhances ES to 2C-like conversion by destabilizing heterochromatin thus resulting in an activation of the 2-cell transcriptional program. Conclusion: SUMO at chromatin is gate-keeper of cell-identity.

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Mus musculus strain:mouse embryonic fibroblasts (MEFs) | isolate:MEFs | breed:MEFs | cultivar:Mus musculus

Project description:Mus musculus strain:mouse embryonic fibroblasts (MEFs) | isolate:MEFs | breed:MEFs | cultivar:Mus musculus Raw sequence reads

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Mus musculus strain:mouse embryonic fibroblasts (MEFs) | isolate:MEFs | breed:MEFs | cultivar:Mus musculus

Project description:Mus musculus strain:mouse embryonic fibroblasts (MEFs) | isolate:MEFs | breed:MEFs | cultivar:Mus musculus Raw sequence reads

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Genome-wide analysis of gene expression perturbed by RORa in MEFs subjected to control and 12 hour DNA damaged condition.

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