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Nature 429, 357-359 (27 May 2004) | doi:10.1038/429357a
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Ageing: Mice and mitochondria
George M. Martin1 & Lawrence A. Loeb1
Abstract
It can be hard to work out whether particular events are a cause or a correlate of ageing — do mutations in mitochondrial DNA, for instance, speed up the process of growing old? Some clever studies suggest so.
Mitochondria are little pockets of energy within cells, shouldering the important task of converting food into usable energy forms. To meet demands, every cell contains thousands of them.
- George M. Martin and Lawrence A. Loeb are in the Department of Pathology, University of Washington, Seattle, Washington 98195, USA.
e-mails: Email: gmartin@u.washington.edu Email: laloeb@u.washington.edu
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