Posted: April 24, 2012 by Wildcat in Uncategorized
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At the turn of the twentieth century, the promise of regenerating damaged tissue was so far-fetched that Thomas Hunt Morgan, despairing that his work on earthworms could ever be applied to humans, abandoned the field to study heredity instead. Though he won the Nobel Prize in 1933 for his work on the role of chromosomes in inheritance, if he lived today, the advances in regenerative medicine may have tempted him to reconsider. Three studies published this week show that introducing new cells into mice can replace diseased cells — whether hair, eye or heart — and help to restore the normal function of those cells. These proof-of-principle studies now have researchers setting their sights on clinical trials to see if the procedures could work in humans. “You can grow cells in a Petri dish, but that’s not regenerative medicine,” says Robin Ali, a geneticist at University College London, who led the eye study. “You have to think about the biology of repair in a living system.” (via Regenerative medicine repairs mice from top to toe : Nature News & Comment)

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