Personal Cloning Therapy Advances; Trial in Cow Offers Hope for Humans

Summary

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Therapeutic cloning, an experimental technique that could one day allow patients to be treated with their own rejuvenated cells, moved one step closer to reality as researchers announced a successful trial in cows Wednesday.

The experiment involved creating an embryo that was a genetic clone of the "parent" cow. Researchers then removed stem cells from the cloned embryo and administered those cells back to the original "parent" cow. As long as six months later, the cloned cells were still detectable in the cow's bloodstream and bone marrow.

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Extract

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Personal Cloning Therapy Advances; Trial in Cow Offers Hope for Humans

From the blood and marrow, stem cells can migrate to organs such as the heart and liver, where the stem cells can replace older, worn- out cells. Stem cells are immature cells that can differentiate, or turn into, any mature cel...

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