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Human embryonic stem cells as a model for nutritional programming: an evaluation.

Allegrucci C, Denning CN, Burridge P, Steele W, Sinclair KD, Young LE

University of Nottingham, Obstetrics and Gynaecology, D Floor East Block, Queens Medical, Nottingham NG7 2UH, UK.

Our laboratory is evaluating whether an epigenetic mechanism involving alterations in DNA methylation can alter the trajectory of embryonic/fetal development in response to maternal nutrients. A similar mechanism may operate in embryo culture environments commonly used in human assisted conception. Since developmental studies on early human embryos in utero are obviously not possible, we have begun to investigate the utility of human embryonic stem cells (hESC) to uncover potential programming mechanisms. This review highlights some of the advantages and problems associated with such a model and suggests that these issues are also broadly applicable to utility of hESC for more general toxicology and drug screening applications.

Published 11 July 2005 in Reprod Toxicol, 20(3): 353-67.
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