segunda-feira, 9 de março de 2009

Celulas estaminais

Obama contraria evidência científica e promove experiências em células estaminais embrionárias em detrimento das adultas.

Aqui

Ainda a este propósito veja-se

However, the president’s support of embryonic stem cell research comes at a time when many advances have been made with other sorts of stem cells. The Japanese biologist Shinya Yamanaka found in 2007 that adult cells could be reprogrammed to an embryonic state with surprising ease. This technology “may eventually eclipse the embryonic stem cell lines for therapeutic as well as diagnostics applications,” Dr. Kriegstein said. For researchers, reprogramming an adult cell can be much more convenient, and there have never been any restrictions on working with adult stem cells.
In New York Times
P.S.- Ver ainda este artigo que descobri via Cachimbo de Maggrite

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