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June 21, 2005

Further steps towards artificial eggs and sperm

Human embryonic stem cells have been coaxed in the lab to develop into the early forms of cells which eventually become eggs or sperm, UK researchers have revealed.

Work by several groups has shown that a tiny proportion of human embryonic stem cells (ESCs) spontaneously develop into primordial germ cells when allowed to differentiate in a dish. In this latest study, Behrouz Aflatoonian and colleagues at the University of Sheffield, produced primordial germ cells which began to express the proteins characteristic of sperm cells, while others resembled eggs.

Complete Article

Posted by thinkingmachine at June 21, 2005 08:02 PM

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