Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA127815 | ENA |
REPOSITORIES: ENA
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Project description:In our study, PRDM14 and NFRkB were found to enhance the reprogramming of human fibroblasts to hiPSCs in the presence of OCT4, SOX2, KLF4, with/without c-MYC (OSK/OSKC). To examnie if the obtained hiPSC share similar expression signature with hESC, we conducted the microarray analysis on the hiPSCs, hESCs and fibroblasts. The result showed that all of the examined hiPSCs resembled hESCs, but differed from fibroblasts MRC5. 4 hiPSC lines, 2 hESC lines and 1 type of fibroblasts were analyzed in total. Each sample is done in duplicates.
2010-10-20 | E-GEOD-22792 | biostudies-arrayexpress
Project description:In our study, PRDM14 and NFRkB were found to enhance the reprogramming of human fibroblasts to hiPSCs in the presence of OCT4, SOX2, KLF4, with/without c-MYC (OSK/OSKC). To examnie if the obtained hiPSC share similar expression signature with hESC, we conducted the microarray analysis on the hiPSCs, hESCs and fibroblasts. The result showed that all of the examined hiPSCs resembled hESCs, but differed from fibroblasts MRC5.
2010-10-20 | GSE22792 | GEO
Project description:gene expression profiling of WT fibroblasts, hiPSCs, and NPCs compared to the same cell types isolated from patients with Ataxia Telangiectasia gene expression profiling was carried out with Affymetrix Hg133 2.0 plus chips fibroblasts, hiPSCs, hESCs, and NPCs were isolated and compared by gene expression
2013-04-01 | E-GEOD-45030 | biostudies-arrayexpress
Project description:Assessing relevant molecular differences between human-induced pluripotent stem cells (hiPSCs) and human embryonic stem cells (hESCs) is important, given that such differences may impact their potential therapeutic use. Controversy surrounds recent gene expression studies comparing hiPSCs and hESCs. Here, we present an in-depth quantitative mass spectrometry-based analysis of hESCs, two different hiPSCs and their precursor fibroblast cell lines. Our comparisons confirmed the high similarity of hESCs and hiPSCS at the proteome level as 97.8% of the proteins were found unchanged. Nevertheless, a small group of 58 proteins, mainly related to metabolism, antigen processing and cell adhesion, was found significantly differentially expressed between hiPSCs and hESCs. A comparison of the regulated proteins with previously published transcriptomic studies showed a low overlap, highlighting the emerging notion that differences between both pluripotent cell lines rather reflect experimental conditions than a recurrent molecular signature. See the Data Processing section of the published paper concerning the bioinformatics pipeline used. PMCID: PMC3261715 PMID: 22108792 Mol Syst Biol. 2011 Nov 22;7:550. doi: 10.1038/msb.2011.84. The quantitative proteomes of human-induced pluripotent stem cells and embryonic stem cells. Munoz J, Low TY, Kok YJ, Chin A, Frese CK, Ding V, Choo A, Heck AJ. Biomolecular Mass Spectrometry and Proteomics Group, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands.
2013-02-01 | PXD000134 | Pride
Project description:The equivalency of human induced pluripotent stem cells (hiPSCs) with human embryonic stem cells (hESCs) remains controversial. Here, we devised a strategy to assess the contribution of clonal growth, reprogramming method and genetic background to transcriptional patterns in hESCs and hiPSCs. Surprisingly, transcriptional variation originating from two different genetic backgrounds was dominant over variation due to the reprogramming method or cell type of origin of pluripotent cell lines. Moreover, the few differences we detected between isogenic hESCs and hiPSCs neither predicted functional outcome, nor distinguished an independently derived, larger set of unmatched hESC/hiPSC lines. We conclude that hESCs and hiPSCs are transcriptionally and functionally highly similar and cannot be distinguished by a consistent gene expression signature. Our data further imply that genetic background variation is a major confounding factor for transcriptional comparisons of pluripotent cell lines, explaining some of the previously observed expression differences between unmatched hESCs and hiPSCs. Expression profiling of human embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs) and fibroblasts, mostly in triplicates.
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Project description:Affymetrix SNP6.0 data for human induced pluripotent stem cells (hiPSCs), human Fibroblasts, and human embryonic stem cells (hESCs)
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