Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA141939 | ENA |
REPOSITORIES: ENA
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Project description:This SuperSeries is composed of the following subset Series: GSE27134: DNA methylation data from human iPS cells, ES cells, cord blood, and keratinocytes GSE27186: Expression data of human somatic cell types and induced pluripotent stem cells GSE31742: DNA methylation data from human keratinocyte-derived iPS cells (N9) and ES cells Refer to individual Series
2011-11-29 | E-GEOD-27224 | biostudies-arrayexpress
Project description:Transcription factor-mediated reprogramming yields induced pluripotent stem cells (iPSC) by erasing tissue specific methylation and re-setting DNA methylation status to an embryonic stage. We compared bona fide human iPSC derived from umbilical cord blood (CB) and neonatal keratinocytes (K). Through both incomplete erasure of tissue specific methylation and de novo tissue specific methylation, CB-iPSC and K-iPSC are distinct in genome-wide DNA methylation profiles. Functionally, CB-iPSC displayed better blood formation in vitro, whereas K-iPSC differentiated better to a keratinocyte fate, implying that the tissue of origin needs to be considered in future therapeutic applications of human iPSCs. We performed gene expression and global DNA methylation profiling on iPS and the source somatic cell types to search for evidence of epigenetic memory. We performed gene expression profiling to identify genes differentially expressed between keratinocytes and cord blood, and from induced pluripotent stem cells from these somatic tissues.
2011-11-29 | E-GEOD-27186 | biostudies-arrayexpress
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2025-01-23 | E-MTAB-2531 | ExpressionAtlas
Project description:Transcription factor-mediated reprogramming yields induced pluripotent stem cells (iPSC) by erasing tissue specific methylation and re-setting DNA methylation status to an embryonic stage. We compared bona fide human iPSC derived from umbilical cord blood (CB) and neonatal keratinocytes (K). Through both incomplete erasure of tissue specific methylation and de novo tissue specific methylation, CB-iPSC and K-iPSC are distinct in genome-wide DNA methylation profiles. Functionally, CB-iPSC displayed better blood formation in vitro, whereas K-iPSC differentiated better to a keratinocyte fate, implying that the tissue of origin needs to be considered in future therapeutic applications of human iPSCs. We performed gene expression and global DNA methylation profiling on iPS and the source somatic cell types to search for evidence of epigenetic memory.
2011-11-29 | GSE27186 | GEO
Project description:Genome-wide DNA methylation of early and late passaged keratinocyte-derived iPS cells were compared to ES cells. We used custom Nimblegen microarrays to determine the genome-wide DNA methylation in human keratinocyte-derived iPS cells and ES cells
2011-11-29 | GSE31742 | GEO
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Project description:RNA-seq of coding RNA in human fibroblasts, Peripheral Blood Mononuclear Cells (PBMCs) and induced pluripotent stem cells (iPS cells) as part of the HipSci project
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Project description:Background and aim: Human Induced pluripotent stem (iPS) cells have been derived from dermal fibroblasts, keratinocytes and blood cells by ectopic expression of defined transcription factors.1–5 Application of this approach in human cells would have enormous potential and generate patient-specific pluripotent stem cells to accelerate the implementation of stem cells for clinical treatment of degenerative diseases. In the present study, we investigated whether genetically marked human mesenchymal cells of gut mesentery may give rise to iPS cells. Methods: We used lentiviruses to express Oct4, Sox2, Nanog in mesenchymal cells of gut mesentery, then generated iPS cells were identified in many aspects including morphology, pluripotent markers, global gene expression profile, DNA methylation status at pluripotent cell-specific genes, embryoid bodies and terotomas formation. Results: The resulting iPS cells from mesenchymal cells of gut mesentery were similar to human embryonic stem (ES) cells in morphology, proliferation, surface antigens, gene expression, and epigenetic status of pluripotent cell-specific genes. Furthermore, these cells could differentiate into cell types of the three germ layers in vitro and in teratomas. DNA fingerprinting showed that the human iPS cells were derived from the donor cells and are not a result of contamination.
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Project description:Transcription profiling by array of human CD34-positive umbilical cord blood cells after AML1-ETO fusion gene transduction
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