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  • 1
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    Human oocytes reprogram somatic cells to a pluripotent state (2011)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2011-10-08
    Description: The exchange of the oocyte's genome with the genome of a somatic cell, followed by the derivation of pluripotent stem cells, could enable the generation of specific cells affected in degenerative human diseases. Such cells, carrying the patient's genome, might be useful for cell replacement. Here we report that the development of human oocytes after genome exchange arrests at late cleavage stages in association with transcriptional abnormalities. In contrast, if the oocyte genome is not removed and the somatic cell genome is merely added, the resultant triploid cells develop to the blastocyst stage. Stem cell lines derived from these blastocysts differentiate into cell types of all three germ layers, and a pluripotent gene expression program is established on the genome derived from the somatic cell. This result demonstrates the feasibility of reprogramming human cells using oocytes and identifies removal of the oocyte genome as the primary cause of developmental failure after genome exchange.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Noggle, Scott -- Fung, Ho-Lim -- Gore, Athurva -- Martinez, Hector -- Satriani, Kathleen Crumm -- Prosser, Robert -- Oum, Kiboong -- Paull, Daniel -- Druckenmiller, Sarah -- Freeby, Matthew -- Greenberg, Ellen -- Zhang, Kun -- Goland, Robin -- Sauer, Mark V -- Leibel, Rudolph L -- Egli, Dieter -- England -- Nature. 2011 Oct 5;478(7367):70-5. doi: 10.1038/nature10397.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The New York Stem Cell Foundation Laboratory, New York, New York, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21979046" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Blastocyst/cytology/metabolism ; Cell Differentiation ; *Cellular Reprogramming ; DNA Methylation ; Epigenesis, Genetic ; Female ; Gene Expression Profiling ; Gene Expression Regulation, Developmental ; Genome, Human/genetics ; Germ Layers/cytology/embryology/metabolism ; Humans ; Induced Pluripotent Stem Cells/*cytology/*metabolism ; Oocyte Donation ; Oocytes/*cytology/growth & development/*physiology ; Primary Cell Culture ; Transcription, Genetic ; Triploidy ; Young Adult
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Induced pluripotent stem cells generated from patients with ALS can be differentiated into motor neurons (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-08-02
    Description: The generation of pluripotent stem cells from an individual patient would enable the large-scale production of the cell types affected by that patient's disease. These cells could in turn be used for disease modeling, drug discovery, and eventually autologous cell replacement therapies. Although recent studies have demonstrated the reprogramming of human fibroblasts to a pluripotent state, it remains unclear whether these induced pluripotent stem (iPS) cells can be produced directly from elderly patients with chronic disease. We have generated iPS cells from an 82-year-old woman diagnosed with a familial form of amyotrophic lateral sclerosis (ALS). These patient-specific iPS cells possess properties of embryonic stem cells and were successfully directed to differentiate into motor neurons, the cell type destroyed in ALS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dimos, John T -- Rodolfa, Kit T -- Niakan, Kathy K -- Weisenthal, Laurin M -- Mitsumoto, Hiroshi -- Chung, Wendy -- Croft, Gist F -- Saphier, Genevieve -- Leibel, Rudy -- Goland, Robin -- Wichterle, Hynek -- Henderson, Christopher E -- Eggan, Kevin -- New York, N.Y. -- Science. 2008 Aug 29;321(5893):1218-21. doi: 10.1126/science.1158799. Epub 2008 Jul 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard Stem Cell Institute, Stowers Medical Institute, Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18669821" target="_blank"〉PubMed〈/a〉
    Keywords: Aged, 80 and over ; Amyotrophic Lateral Sclerosis/genetics/*pathology/physiopathology ; *Cell Differentiation ; Cell Line ; *Cellular Reprogramming ; Embryonic Stem Cells/cytology ; Female ; Fibroblasts/*cytology ; Gene Expression ; Humans ; Motor Neurons/*cytology/metabolism ; Neuroglia/cytology ; Pluripotent Stem Cells/*cytology ; Retroviridae/genetics ; Spinal Cord/cytology ; Superoxide Dismutase/genetics/metabolism ; Transcription Factors/genetics/metabolism ; Transduction, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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