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Rat Embryonic Stem Cells Created Thursday, December 25, 2008 - Ehud Rattner Home >> Headlines >> Biology   
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Genetically engineered rats should follow soon, providing new models of human disease. Rat pluripotent stem cells - the essential ingredient for making genetically engineered versions of the animals - have finally been created after decades of effort in the field. Scientists have long been able to alter the DNA in mouse embryonic stem cells, routinely creating mice with missing, added or altered genes. But, the same techniques have not worked in rats. (source: nature.com)
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