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XB-ART-4845
Proc Natl Acad Sci U S A 2003 Sep 30;100 Suppl 1:11819-22. doi: 10.1073/pnas.1834207100.
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Nuclear reprogramming and stem cell creation.

Gurdon JB , Byrne JA , Simonsson S .


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The transplantation of a somatic cell nucleus to an enucleated egg results in a major reprogramming of gene expression and switch in cell fate. We review the efficiency of nuclear reprogramming by nuclear transfer. The serial transplantation of nuclei from defective first-transfer embryos and the grafting of cells from such embryos to normal host embryos greatly increases the proportion of nuclei that can be seen to have been reprogrammed. We discuss possible reasons for the early failure of most nuclear transfers from differentiated cells and describe the potential value of growing oocytes, rather than unfertilized eggs, as a source of nuclear reprogramming molecules and for the eventual identification of these molecules. Nuclear transfer provides a possible route for the creation of stem cells from adult somatic cells.

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References [+] :
Boiani, Oct4 distribution and level in mouse clones: consequences for pluripotency. 2002, Pubmed