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Scientist to abandon his cloning method

Sunday, November 18, 2007

LONDON -- The Scottish scientist who created Dolly the sheep more than a decade ago said he is abandoning the technique he pioneered, according to an interview published Saturday.

Ian Wilmut, who led the team that created Dolly in 1996, told The Daily Telegraph that he is abandoning cloning to pursue a new technique that can create stem cells without an embryo.

Wilmut's announcement could mark the end of therapeutic cloning, in which DNA is inserted into an unfertilized egg, an embryo is produced and stem cells are harvested, the newspaper said. Tens of millions of dollars have been spent worldwide on therapeutic cloning research in the past decade, but nobody has made it work in humans.

Wilmut believes a rival method pioneered in Japan that creates stem cells from fragments of skin is better for growing tissue that can be used to treat people who are paralyzed or have illnesses ranging from diabetes to Parkinson's disease.


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