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Generation of induced pluripotent stem cells by efficient reprogramming of adult bone marrow cells

ABSTRACT: Reprogramming of somatic cells provides potential for the generation of specific cell types, which could be a key step in the study and treatment of human diseases. In vitro reprogramming of somatic cells into a pluripotent embryonic stem (ES) cell–like state has been reported by retroviral transduction of murine fibroblasts using four embryonic transcription factors or through cell fusion of somatic and pluripotent stem cells. The generation of reprogrammed pluripotent cells using a somatic cell donor source such as bone marrow (BM) or peripheral blood is of particular therapeutic interest because of the relative ease of harvesting these cell types. Here we show that mouse adult BM mononuclear cells（BM MNCs）are competent as donor cells and can be reprogrammed into pluripotent ES cell-like cells. We isolated BM MNCs and embryonic fibroblasts (MEFs) from Oct4-EGFP transgenic mice, fused them with ES cells and infected them with retroviruses expressing Oct4, Sox2, Klf4, and c-Myc. Fused BM cells formed more ES-like colonies than did MEFs. Infected BM cells gave rise to iPS cells, although transduction efficiencies were not high. It was more efficient to pick up iPS colonies as compared with MEFs. BM-derived iPS (BM iPS) cells expressed embryonic stem cell markers, formed teratomas, and contributed to chimera mice with germline development. Clonal analysis revealed that BM iPS clones had diversity, although some clones were found to be genetically identical with different phenotypes. Here we demonstrate, for the first time, the induction of pluripotent cells directly from hematopoietic tissue.

ORGANISM(S): Mus musculus

PROVIDER: GSE15775 | GEO | 2009/07/02

SECONDARY ACCESSION(S): PRJNA116843

REPOSITORIES: GEO

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Generation of induced pluripotent stem cells by efficient reprogramming of adult bone marrow cells

Project description:Reprogramming of somatic cells provides potential for the generation of specific cell types, which could be a key step in the study and treatment of human diseases. In vitro reprogramming of somatic cells into a pluripotent embryonic stem (ES) cellM-bM-^@M-^Slike state has been reported by retroviral transduction of murine fibroblasts using four embryonic transcription factors or through cell fusion of somatic and pluripotent stem cells. The generation of reprogrammed pluripotent cells using a somatic cell donor source such as bone marrow (BM) or peripheral blood is of particular therapeutic interest because of the relative ease of harvesting these cell types. Here we show that mouse adult BM mononuclear cellsM-oM-<M-^HBM MNCsM-oM-<M-^Iare competent as donor cells and can be reprogrammed into pluripotent ES cell-like cells. We isolated BM MNCs and embryonic fibroblasts (MEFs) from Oct4-EGFP transgenic mice, fused them with ES cells and infected them with retroviruses expressing Oct4, Sox2, Klf4, and c-Myc. Fused BM cells formed more ES-like colonies than did MEFs. Infected BM cells gave rise to iPS cells, although transduction efficiencies were not high. It was more efficient to pick up iPS colonies as compared with MEFs. BM-derived iPS (BM iPS) cells expressed embryonic stem cell markers, formed teratomas, and contributed to chimera mice with germline development. Clonal analysis revealed that BM iPS clones had diversity, although some clones were found to be genetically identical with different phenotypes. Here we demonstrate, for the first time, the induction of pluripotent cells directly from hematopoietic tissue. Gene expression profiling was performed in mouse BMMNCs, ES and BMMNC derived iPS cell lines.

2009-07-02 | E-GEOD-15775 | biostudies-arrayexpress

Global gene-expression analyses of the Esrrb reprogrammed cells

Project description:In the murine system, Oct4, Sox2, c-Myc and Klf4 are sufficient to convert fibroblasts to induced pluripotent stem (iPS) cells that exhibit many characteristics of embryonic stem (ES) cells. Herein, we show that the orphan nuclear receptor Esrrb works in conjunction with Oct4 and Sox2 to mediate reprogramming of mouse embryonic fibroblasts (MEFs) to iPS cells. Esrrb reprogrammed cells share similar expression and epigenetic signatures as ES cells. These cells are also pluripotent and can differentiate in vitro and in vivo into the three major embryonic cell lineages. Furthermore, these cells contribute to mouse chimeras and are germline transmissible. In ES cells, Esrrb targets many genes involved in selfrenewal and pluripotency. This suggests that Esrrb may mediate reprogramming through the up-regulation of ES cell-specific genes. Our findings also indicate that it is possible to reprogram MEFs without exogenous Klf transcription factors and link a nuclear receptor to somatic cell reprogramming. We used microarrays to detail the global programme of gene expression of ES cells, Esrrb reprogrammed iPS cell lines and MEFs. Keywords: comparative

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Global gene-expression analyses of the Esrrb reprogrammed cells and Esrrb knockdown cells

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2009-01-15 | GSE13190 | GEO

Global gene-expression analyses of the Esrrb knockdown cells

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2009-01-15 | GSE13212 | GEO

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2010-06-01 | GSE20127 | GEO

Expression data from mouse embryonic fibroblasts and pluripotent stem cells

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2013-10-17 | E-GEOD-45916 | biostudies-arrayexpress

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2010-05-13 | GSE21515 | GEO

Expression data from mouse ES and iPS cells

2009-08-03 | GSE16925 | GEO

Transcriptome analysis during somatic cell reprogramming

Project description:By combining deep sequencing with high-throughput quantitative RT-PCR, we reveal that somatic splicing profiles are reorganized to pluripotent splicing profiles during reprogramming from mouse embryonic fibroblasts (MEFs) to induced pluripotent stem (iPS) cells. The splicing pattern in pluripotent stem cells resembles that in testis, and the regulatory regions have specific characters in length and sequence. These results indicate that the dynamic alteration in splicing is an integral part of the molecular network involved in the reprogramming process. Sequencing data from MEF, two iPS cell lines and one ES cell line. RT-PCR data will be represented within Figures or Tables in published manuscripts.

2013-10-17 | E-GEOD-46149 | biostudies-arrayexpress

Global gene-expression analyses of the Esrrb knockdown cells

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