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. Last Updated: 07/27/2016

Nobel Prize in Medicine Announced

STOCKHOLM, Sweden -- An American and two Britons won this year's Nobel Prize in medicine Monday for discoveries about how genes regulate organ growth and programmed cell suicide.

Britons Sydney Brenner, 75, and John Sulston, 60, and American Robert Horvitz, 55, shared the prize, worth 10 million kronor ($1 million).

Working with tiny worms, the laureates identified key genes regulating organ development and programmed cell death. Many cancer treatment strategies are now aimed at stimulating the cell-death process to kill cancerous cells.

"The discoveries are important for medical research and have shed new light on the pathogenesis of many diseases," the Nobel Assembly said.

The award for medicine opened a week of Nobel Prizes that culminates Friday with the prestigious peace prize.

Among the nominees are Afghan President Hamid Karzai, former New York City Mayor Rudolph Giuliani, the Salvation Army and the U.S. Peace Corps.