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Nature 410, 33-34 (1 March 2001) | doi:10.1038/35065201
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Research Fellow
- Beth Israel Deaconess Medical Center
- Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02215
Gastroenterologist
- Wayne State University
- Detroit, Michigan, USA
Apoptosis: Baiting death inhibitors
Donald W. Nicholson
Abstract
Enzymes called caspases that start the process of programmed cell death can be dangerous if activated at the wrong time. A feat of self-restraint keeps one such caspase under control.
Most of the cell death that takes place in mammals occurs by apoptosis — the result of a dedicated biochemical pathway. At the heart of this pathway lies a family of protein-cleaving enzymes, the caspases, which normally lie dormant in healthy cells and become activated in response to diverse stimuli when cell death is required.
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