Yet another weird SF fan


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Yet another weird SF fan
 

Tuesday, June 07, 2005

Creationist Scientists and Stem Cells

Research done on mouse embryos (seen via Ed Cone (seen via Instapundit)) is making human embryonic stem-cell research unnecessary:

Working with early mouse embryos, the team has found that single blastomeres, when cultivated in dishes with embryonic stem cells, can become what appear to be embryonic stem cells themselves. Chemicals secreted by the embryonic cells apparently flip the right genetic switches in the blastomeres to make them act "stemmy."

About a quarter to one-third of blastomeres treated this way can be coaxed to become embryonic stem cells or closely related embryo cells, said Lanza, who declined to release specific data pending publication in a peer-reviewed journal.

If this technique were applied to humans, then a single cell taken from an eight-cell fertility clinic embryo could give rise to a self-replicating line of embryonic stem cells without compromising the donor embryo's odds of someday growing into a baby.

After all, mice and human beings are part of the same evolutionary tree and are both descended from the mammals that evolved development in wombs.

On the other hand, earlier in the article:

The research is still young and largely unpublished, and in some cases it is limited to animal cells. Scientists doing the work also emphasize their desire to have continued access to human embryos for now.
I suppose those scientists don't believe that mice and human beings are part of the same evolutionary tree …

Addendum: The first link is now fixed.

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