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Expression analysis of neural progenitor cells derived from iPS cells generated from skin fibroblasts and umbilical cord mesenchymal cells

ABSTRACT: Investigation of whole genome gene expression level changes in neural progenitor cells derived from iPS cells generated from umbilical cord mesenchymal cells, compared to neural progenitor cells derived from iPS cells generated fromskin fibroblasts. Analyze the difference between neural progenitor cells derived from iPS cells generated from different origins. The method to induce reprogramming of somatic cells and human iPS cells for neural differentiation is described in Cai J, Li W, Su H, Qin D, Yang J, et al. (2010) Generation of human induced pluripotent stem cells from umbilical cord matrix and amniotic membrane mesenchymal cells. J Biol Chem 285: 11227-11234. and Kim DS, Lee JS, Leem JW, Huh YJ, Kim JY, et al. (2010) Robust enhancement of neural differentiation from human ES and iPS cells regardless of their innate difference in differentiation propensity. Stem Cell Rev 6: 270-281.

ORGANISM(S): Homo sapiens

PROVIDER: GSE46647 | GEO | 2013/05/06

SECONDARY ACCESSION(S): PRJNA201384

REPOSITORIES: GEO

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Project description:Induced pluripotent stem (iPS) cells have been generated from mouse and human somatic cells by ectopic expression of the transcription factors OCT4, SOX2, KLF4, c-MYC as well as NANOG and LIN28. Here we report generation of induced pluripotent stem cells from human umbilical cord blood derived unrestricted somatic stem cells (USSC) using retroviral expression of the transcription factors OCT4, SOX2, KLF4 and C-MYC and evaluation of their molecular signature and differentiation potential in comparison to human embryonic stem cells. The reprogrammed cells (HUiPS) were analysed morphologically, by qRT-PCR, global miRNA and epigenetic profiling and gene expression microarrays, as well as in their in vitro and in vivo differentiation potential by embryoid body formation and teratoma assay. The cord blood iPS cells are highly similar to human embryonic stem cells morphologically, at their molecular signature as well as in their in vitro and in vivo differentiation potential. Human cord blood derived unrestricted somatic stem cells offer an attractive source of cells for the generation of induced pluripotent stem cells. Our findings open novel perspectives to generate HLA matched pluripotent stem cell banks based on existing cord blood banks. Besides its obvious relevance of such a second generation cord blood iPS bank for pharmacological and toxicological testing, its application for autologous or allogenic regenerative cell transplantation appears feasible. For transcriptome profiling, 400 ng of total DNA-free RNA was used as input for labelled cRNA synthesis (Illumina TotalPrep RNA Amplification Kit - Ambion) following the manufacturer's instructions (IVT: 10h). Quality-checked cRNA samples were hybridized as biological or technical duplicates for 18 h onto HumanRef-8 v3 expression BeadChips (Illumina), washed, stained, and scanned following guidelines and using materials / instrumentation supplied / suggested by the manufacturer. Six sample types were analyzed, each one of them in duplicate. USSC: human umbilical cord blood unrestricted somatic stem cells (duplicates) HUiPS: human iPS cells from human umbilical cord blood USSC, hand-picked cols (duplicates) H9 hESC: H9 human ESCs grown on low-density CF1 MEFs (duplicates) H1 hESC: H1 human ESCs grown on low-density CF1 MEFs (duplicates) 1F hNiPS: One factor (Oct4) human iPS cells from hNSCs, hand-picked cols (duplicates) 2F hNiPS: Two factors (Oct4, Klf4) human iPS cells from hNSCs, hand-picked cols (duplicates)

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Expression analysis of neural progenitor cells derived from iPS cells generated from skin fibroblasts and umbilical cord mesenchymal cells

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