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167426 tn?1254086235

exciting news on cancer research

PrintShareThisSTOCKHOLM —  Americans Elizabeth H. Blackburn, Carol W. Greider and Jack W. Szostak won the 2009 Nobel Prize in medicine on Monday for discovering a key mechanism in the genetic operations of cells, an insight that has inspired new lines of research into cancer.

The trio solved the mystery of how chromosomes, the rod-like structures that carry DNA, protect themselves from degrading when cells divide.

The Nobel citation said the laureates found the solution in the ends of the chromosomes — structures called telomeres that are often compared to the plastic tips at the end of shoe laces that keep those laces from unraveling.

Blackburn and Greider discovered the enzyme that builds telomeres — telomerase — and the mechanism by which it adds DNA to the tips of chromosomes to replace genetic material that has eroded away.

The prize-winners' work set the stage for research suggesting that cancer cells use telomerase to sustain their uncontrolled growth. Scientists are studying whether drugs that block the enzyme can fight the disease. In addition, scientists believe that the DNA erosion the enzyme repairs might play a role in some illnesses.

"The discoveries by Blackburn, Greider and Szostak have added a new dimension to our understanding of the cell, shed light on disease mechanisms, and stimulated the development of potential new therapies," the prize committee said in its citation.

Our prayers are going to be answered  some day.  Marty
2 Responses
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792410 tn?1270315500
Thank you Marty for sharing this article.  It is very encouraging and gives so much hope.  I have my days where all my faith is lost and I think the cure will never come, and then I read something like this and my faith is restored.  I hope the cure comes soon for all of our sakes.

Lauren
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238582 tn?1365210634
Thanks Marty. Very encourage news.

jun
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