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澳大利亞新南威爾士大學的一位教授最近在抗衰老藥物研究方面取得突破性進展，人類想要長生不老的愿望或許終有一天會成為現實。這位教授發現，人體內有一種抗衰老酶能夠防止衰老性疾病，同時延長壽命。這位教授發現，他研究中使用的117種藥物均通過相同的原理作用于這種酶。這一發現說明，研究人員可以通過深入研究研發出一種可以治療某種重大疾病、同時防止其他多種疾病的藥物，從而達到延緩衰老的目的。目前，一系列病理試驗均顯樂觀，這種藥物有望在2018年以前面世。
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The study led by Professor David Sinclair, from UNSW Medicine, has revealed that a single anti-aging enzyme in the body has the potential to prevent age-related diseases and extend lifespans. |
Man's search for immortality is another step closer to reality with a major breakthrough in creating a drug capable of fighting the aging process -- a drug that could be available before 2018 -- after pioneering work led by an Australian researcher with the University of New South Wales (UNSW).
The study led by Professor David Sinclair, from UNSW Medicine, has revealed that a single anti-aging enzyme in the body has the potential to prevent age-related diseases and extend lifespans.
The paper released this month, shows all of the 117 drugs tested work on the single enzyme through a common mechanism.
These consequences are far-ranging and suggest that an entirely new class of anti-aging drugs are now viable.
Drugs that could ultimately prevent the great diseases of our lifetime -- from cancer, Parkinson's Disease, Alzheimer's disease and even the burden of modern lifestyles -- type 2 diabetes.
"Ultimately, these drugs would treat one disease, but unlike drugs of today, they would prevent 20 others," Professor Sinclair said.
"In effect, they would slow aging."
Trials focusing on a series of maladies have shown promise already, and the list is a veritable who's who of the great diseases of the 21st century.
"In the history of pharmaceuticals, there has never been a drug that tweaks an enzyme to make it run faster," said Professor Sinclair, a geneticist with the Department of Pharmacology at UNSW.
The technology was sold to pharmaceutical giant GlaxoSmithKline in 2008.
Four thousand synthetic activators, which are 100 times as potent as a single glass of red wine, have been developed with the best three in human trials today.
"Our drugs can mimic the benefits of diet and exercise, but there is no impact on weight," said Professor Sinclair, who has isolated diabetes as the first disease to be targeted.
There have been limited trials in people with type 2 diabetes with measurable benefits to the subject's metabolism.
Professor Sinclair hopes that one day, the drugs could be taken orally as a preventative.
Effectively, a pill that prevents the illnesses associated with natural aging.
In animal models, overweight mice given synthetic resveratrol were able to run twice as far as slim mice and they lived 15 percent longer.
"Now we are looking at whether there are benefits for those who are already healthy. Things there are also looking promising," said Professor Sinclair, who also heads the Lowy Cancer Research Centre's Laboratory for aging Research at UNSW.
"We're finding that aging isn't the irreversible affliction that we thought it was... Some of us could live to 150, but we won’t get there without more research."
(Source: Xinhua)
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（中國日報網英語點津 Helen ）
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