The Stem Cell Clashes

George W. Bush Can’t Stop Science

Adult stem cells can potentially be taken from the blood, fat, bone marrow, brain, pancreas, muscle, and retinas, with maybe more sources to come.

As to the charge that adult stem cells are in relatively limited supply, Prentice reports that "the number of available adult stem cells can be expanded greatly in culture. In March of 2000, researchers identified the conditions necessary to allow for a large-scale expansion (a billionfold in a few weeks) of adult stem cells in culture." (His scientific source: D. Colter, at al. 97 Proc. National Academy of Sciences, 3213, March 28, 2000.)

So why isn't there a campaign—crossing all political, religious, and other ideological lines—to get more federal funding for adult stem cell research too?

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