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Wednesday, October 07, 2009 STOCKHOLM: Three US based scientists have won the 2009 Nobel Prize for medicine for their discovery into how chromosomes are copied and protected. The work casts important light on cancer and the aging process. Elizabeth Blackburn from the University of California, San Francisco, Jack Szostak from Harvard Medical School and Carol Greider from Johns Hopkins University all share this year's Nobel prize for medicine.Nobel Committee member Rune Toftgard from Sweden's Karolinska Institute says the three took the top honour for their work in the 1980s that revealed how chromosomes, the rod-like structures that carry DNA, protect themselves from degrading when cells divide.Their research has shed new light on disease mechanisms and has spawned the development of potential new therapies.
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