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Nobel laureate Oliver Smithies passes away at 91
World | science | 11:35, 12 January 2017 | 3601

AKIPRESS.COM - Oliver Smithies, a British-born biochemist and inveterate tinkerer who shared a Nobel Prize for discovering a powerful tool for identifying the roles of individual genes in health and disease, died on Tuesday in Chapel Hill, N.C. He was 91.

His death, after a short illness, was announced by the University of North Carolina at Chapel Hill, where he was a Weatherspoon eminent distinguished professor of pathology and laboratory medicine at the medical school.

Dr. Smithies’s discovery, known as gene targeting, allows scientists to disable individual genes in mice to understand what the genes do. The loss of a gene typically brings about changes in the appearance or the behavior of the mice, providing important clues about the gene’s function. Mice are ideal models for people because about 90 percent of mouse genes correspond to human genes.

Scientists have also used gene-targeting technology to create mice that have symptoms of human diseases, including cardiovascular and neurodegenerative diseases, diabetes and various cancers. These designer mice are widely used in research to understand the genetic causes of diseases and to develop and test potential new therapies.

Dr. Smithies shared the 2007 Nobel Prize in Physiology or Medicine with Mario R. Capecchi of the University of Utah and Sir Martin J. Evans of Cardiff University in Wales. The scientists worked separately but built on one another’s research.

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