These stem cells are animal-free

Coghlan, Andy
March 2005
New Scientist;3/19/2005, Vol. 185 Issue 2491, p15
The article informs that one of the hurdles to using human embryonic stem cells to treat disease has been overcome. Now, Paul De Sousa and his team at the Roslin Institute in Scotland, where Dolly the sheep was cloned, have produced what they say are the first animal-free ESCs. Another team led by Carlos Simón of the IVI Foundation in Valencia, Spain, announced in Edinburgh that they have used very similar techniques to generate two new cultures of human embryonic stem cells. The only difference was that Simón's team grew the stem cells on human placental skin-like cells rather than the foreskin cells used by De Sousa.


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