March 16, 2004



Coming True Already?

One of my speculations yesterday was that "scientists perfect methods of obtaining stem cells from adult humans without having to create and destroy an embryo."

Kurzweil points today to this article entitled, "Cells Induced to “De-Differentiate” Back into Stem Cells."
For the first time, researchers have induced differentiating cells to revert to being stem cells. Although such de-differentiation is known to occur in natural systems, scientists had never before mimicked the process in the laboratory. The researchers said their achievement with the fruit fly Drosophila suggests that de-differentiation should be explored as yet another route to generating stem cells for therapeutic purposes.
You'll want to read the whole thing.

Posted by Stephen Gordon at March 16, 2004 07:35 AM | TrackBack
Comments

If I read the article right, these are adult stem cells, not the embryonic kind. My understanding is that they are useful, but not quite as multi-purpose as embryonic stem cells. What we need is a way of manufacturing new embryonic stem cells without producing an embryo. That's going to be kind of tricky.

Posted by: Phil at March 16, 2004 08:49 AM

As Phil said - this work is actually closer to work being done to figure out how lizards regrow limbs.

I realize that many groups are pushing for solutions from adult stem cells, but the science just isn't there yet. It could take ten years to find out one way or the other, and that's not time we have to waste. All avenues must be explored.

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