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Technique for Creating Authentic Rat Embryonic Stem Cells Published in Cell
Date:12/29/2008

CAMBRIDGE, England, December 29 /PRNewswire-FirstCall/ --

- Technology Licensed Exclusively by Stem Cell Sciences

- ("Stem Cell Sciences", "SCS", "the Company")

Stem Cell Sciences plc (AIM:STEM, ASX:STC) is pleased to announce that pioneering research describing a technique for creating authentic embryonic stem (ES) cells from rats has been published in the prestigious peer-reviewed journal, Cell (Ref. 1). This publication is believed to be the first in which germ-line transmission from rat ES cells has been definitively demonstrated. It uses technology licensed exclusively to SCS from the University of Edinburgh and developed by Professor Austin Smith and his team, now at Cambridge University. The technique is expected to allow the generation of consistently pure and stable rat ES cells, from which drug discovery assays as well as genetically modified animals can be created for academic, medical and pharmaceutical research.

The rat has been a hugely important organism in medical research and drug discovery over the past 100 years, during which time a large body of information on rat models of disease has been generated. Physiological processes and metabolic functions in the rat more closely mimic those of the human than do other model organisms such as the mouse and as a result the rat is regarded as the gold standard for studying the effects of drugs in the body. However, further studies such as defining drug action or the genetic basis of disease using rats have been hindered by the lack of sophisticated, precision genetic engineering, such as that achievable via ES cells in mice. Such barriers have now been overcome; by applying specific cell culture conditions, authentic rat ES cells can be made which can be precision engineered and then used to generate a completely novel range of rat models.

The main advantage afforded by this technology
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SOURCE Stem Cell Sciences plc
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