Researchers from the United States and Japan have won the Nobel Prize in medicine for discoveries that help the body marshal its cellular troops to attack invading cancers.<\/b>
\nBy Jim Heintz and David Keyton
October 1 2018 2:11 PM
Researchers from the United States and Japan have won the Nobel Prize in medicine for discoveries that help the body marshal its cellular troops to attack invading cancers.
One cancer doctor said \u201can untold number of lives\u2026 have been saved by the science that they pioneered\u201d.
James Allison of the University of Texas and Tasuku Honjo of Kyoto University will share the nine-million-kronor (\u00a3765,000) prize for 2018.
Watch the moment the 2018 Nobel Prize in Physiology or Medicine is announced. Presented by Thomas Perlmann, Secretary-General of the Nobel Committee. pic.twitter.com\/uSV5gp6A5P
Their parallel work concerned proteins that act as brakes on the body\u2019s immune system.
Their research, which has led to drugs that release the brakes on the immune system, constitutes \u201ca landmark in our fight against cancer\u201d, said the Nobel Assembly of Sweden\u2019s Karolinska Institute, which selects the winners of the prestigious award.
The discoveries by Dr Allison, 70, and Mr Honjo, 76, \u201cabsolutely paved the way for a new approach to cancer treatment\u201d, Dr Jedd Wolchok, chief of the melanoma and immunotherapeutics service at the Memorial Sloan Kettering Cancer Centre in New York, said.
He said the idea of releasing the brakes on immune system cells has led to drugs for the skin cancer melanoma and for cancers of the lung, head and neck, bladder, kidney and liver.
Just last week, such a drug was approved for treatment of another kind of skin cancer called squamous cell cancer, he said.
BREAKING NEWS The 2018 #NobelPrize in Physiology or Medicine has been awarded jointly to James P. Allison and Tasuku Honjo \u201cfor their discovery of cancer therapy by inhibition of negative immune regulation.\u201d pic.twitter.com\/gk69W1ZLNI
Dr Wolchok said \u201can untold number of lives \u2026 have been saved by the science that they pioneered\u201d.
The approach to cancer treatment that was honoured with this year\u2019s Nobel was used to treat former US president Jimmy Carter, who was diagnosed in 2015 with melanoma, which had spread to his brain.
One of Mr Carter\u2019s treatments was a drug that blocked the immune-cell \u201cbrake\u201d studied by Mr Honjo.
Mr Carter announced in 2016 that he no longer needed treatment.
Although the concept of using the immune system against cancer arose in the 19th century, initial treatments based on the approach were only modestly effective.
\u201cEverybody wanted to do chemotherapy and radiation.
\u201cThe immune system was neglected because there was no strong evidence it could be effective,\u201d said Nadia Guerra, head of a cancer laboratory at Imperial College London.
Dr Allison\u2019s work, much of it done at the University of California-Berkeley, changed that by proving the immune system could identify tumour cells and act against them.
\u201cIt\u2019s like your body uses your own army to fight cancer,\u201d she said.
Dr Allison studied a known protein and developed the concept into a new treatment approach, while Honjo discovered a new protein that also operated as a brake on immune cells.
\u201cI\u2019m honoued and humbled to receive this prestigious recognition,\u201d Dr Allison said in a statement released by the university\u2019s M. D. Anderson Cancer Centre in Houston, where he is a professor.
Congratulations to our science director Dr. James Allison, on winning the Nobel Prize in Physiology or Medicine. https:\/\/t.co\/fCWkd1oAxl #NobelPrize
\u201cA driving motivation for scientists is simply to push the frontiers of knowledge. I didn\u2019t set out to study cancer, but to understand the biology of T cells, these incredible cells that travel our bodies and work to protect us,\u201d he said.
T cells are key immune system soldiers.
At news conference in Kyoto, Mr Honjo said what makes him most delighted is when he hears from patients who have recovered from serious illnesses because of his research.
He told me, ‘Thanks to you I can play golf again.’… That was a blissful moment. A comment like that makes me happier than any prize
Tasuku Honjo
Mr Honjo, an avid golf player, said a member of a golf club once walked up to him suddenly, thanking him for the discovery that treated his lung cancer.
\u201cHe told me, \u2018Thanks to you I can play golf again.\u2019\u2026 That was a blissful moment. A comment like that makes me happier than any prize,\u201d he said.
Dr Allison\u2019s and Mr Honjo\u2019s prize-winning work started in the 1990s and was part of significant advances in cancer immunotherapy.
Such treatment is also called \u201ccheckpoint therapy\u201d, a term that inspired the name of the Checkpoints, a musical group of cancer researchers in which Dr Allison plays harmonica.
Their discoveries are a landmark in our fight against cancer. pic.twitter.com\/tw66ip9RTB
\u201cIn some patients, this therapy is remarkably effective,\u201d Jeremy Berg, editor-in-chief of the Science family of journals, said.
\u201cThe number of different types of cancers for which this approach to immunotherapy is being found to be effective in at least some patients continues to grow.\u201d
Therapy developed from Mr Honjo\u2019s work led to long-term remission in patients with metastatic cancer that had been considered essentially untreatable, the Nobel Assembly said.
In other Nobel Prize announcements, the physics prize will be announced on Tuesday, followed by chemistry on Wednesday and the Nobel Peace Prize on Friday.
The economics laureate, which is not technically a Nobel but is given in honour of Alfred Nobel, the prizes\u2019 founder, will be announced next Monday.
No Nobel Literature Prize is being given this year because the Swedish Academy, the body that choses the literature winner, has been in turmoil after sex abuse and financial scandal allegations.
The academy hopes to award both the 2018 prize and the 2019 literature prize next year.
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