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US trio wins medicine Nobel for ageing research
Published on Mon, Oct 05, 2009 at 15:30, Updated on Mon, Oct 05, 2009 at 23:37 in 
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Stockholm: Three Americans won the Nobel prize for medicine on Monday for revealing the existence and nature of telomerase, an enzyme which helps prevent the fraying of chromosomes that underlies aging and cancer.
Australian-born Elizabeth Blackburn, British-born Jack Szostak and Carol Greider won the prize of 10 million Swedish crowns ($1.42 million), Sweden's Karolinska Institute said.
"The discoveries ... have added a new dimension to our understanding of the cell, shed light on disease mechanisms, and stimulated the development of potential new therapies," it said.
The trio's work laid the foundation for studies that have linked telomerase and telomeres -- the small caps on the end of chromosomes -- to cancer and age-related conditions.
Work on the enzyme has become a hot area of drug research, particularly in cancer, as it is thought to play a key role in allowing tumor cells to reproduce out of control.
One example, a so-called therapeutic vaccine that targets telomerase, in trials since last year by drug and biotech firms Merck and Geron, could yield a treatment for patients with tumors including lung and prostate cancer.
The Chief Executive of Britain's Medical Research Council said the discovery of telomerase had spawned research of "huge importance" to the world of science and medicine.
"Their research on chromosomes helped lay the foundations of future work on cancer, stem cells and even human aging, areas that continue to be of huge importance," Sir Leszek Borysiewicz said in a statement.
"Follow your nose"
Blackburn, a molecular biologist and biochemist known for her work on DNA and cell division, said she had not stayed waiting for a call from the Nobel Prize Committee, even though her name topped many Nobel prediction lists.
"I was surprised. It is always a surprise when something like this happens," she told Reuters in a telephone interview. "I was woken up and (it) took me a while to take it in."
Blackburn said she had been in Southern California the previous day for her mother-in-law's 95th birthday. "The phone rang and I sort of groped around in the dark for it," she said.
An outspoken researcher, Blackburn was fired in 2004 from then-President George W. Bush's Council on Bioethics for her criticism of his policy on embryonic stem cell research.
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dear sir,
as we know that cancer is such a disease which cant be curable,this is a grear step.if
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