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Scientists win Nobel chemistry award for work on DNA repair
The portraits of the winners of the Nobel Prize in Chemistry 2015 (left to right) Sweden's Tomas Lindahl, Paul Modrich of US and Turkish-American Aziz Sancar are displayed on a screen during a press conference on Wednesday at the Royal Swedish Academy of Sciences in Stockholm
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span class="inline inline-center">The portraits of the winners of the Nobel Prize in Chemistry 2015 (left to right) Sweden's Tomas Lindahl, Paul Modrich of US and Turkish-American Aziz Sancar are displayed on a screen during a press conference on Wednesday at the Royal Swedish Academy of Sciences in Stockholm. (AFP/Jonathan Nackstrand)
Three scientists from Sweden, the US and Turkey won the Nobel Prize in chemistry on Wednesday for showing how cells repair damaged DNA, work that can be used to develop new cancer treatments.
Swedish scientist Tomas Lindahl, American Paul Modrich and US-Turkish national Modrich Aziz Sancar shared the 8 million Swedish kronor (about US$960,000) award.
The Royal Swedish Academy of Sciences said their work on DNA repair "has provided fundamental knowledge of how a living cell functions." Their findings can be used for the development of new cancer treatments, among other things, the academy said.
Lindahl, 77, is an emeritus group leader at Francis Crick Institute and Emeritus director of Cancer Research UK at Clare Hall Laboratory in Britain.
Modrich, born in 1946, is an investigator at Howard Hughes Medical Institute and professor at Duke University School of Medicine in Durham, North Carolina.
Sancar, 69, is a professor at the University of North Carolina School of Medicine in Chapel Hill, North Carolina.
The academy said DNA was thought to be a stable molecule until the 1970s when Lindahl showed that it decays at a fast rate. Our DNA is damaged by ultraviolet rays from the sun and carcinogenic substances.
Sancar mapped a mechanism that cells use to repair ultraviolet damage to DNA while Modrich showed how the cell corrects errors when DNA is replicated during cell division, the academy said.
It said their research "has not only deepened our knowledge of how we function, but could also lead to the development of life-saving treatments."
The award will be handed out along with the other Nobel Prizes on Dec. 10, the anniversary of prize founder Alfred Nobel's death in 1896.
This year's medicine prize went to scientists from Japan, the US and China who discovered drugs to fight malaria and other tropical diseases. Japanese and Canadian scientists won the physics prize for discovering that tiny particles called neutrinos have mass.
The Nobel announcements continue with literature on Thursday, the Nobel Peace Prize on Friday and the economics award on Monday.
