» P_Al - legislation
In response to legislation posted by P_Al:
I found an interesting article from the New York Times late last year. It looked at research that suggests as stem cells age, they lose their proliferative capacity.
http://www.nytimes.com/2006/09/07/scienc...
This is being interpreted as a protective mechanism to lessen the risk of cancer development! As cells age there are more prone to genetic abnormalities. Shutting them down was associated with less cancers.
This is another possible reason why embryonic stem cells may be so important for research on cancer and other diseases. Adult stem cells may simply not be that effective.
-- posted by P_Al
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