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Review
Nature 396, 643-649 (17 December 1998) | doi:10.1038/25292
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Tenure Professor for Bone and Skeleton Research
- Westfalian Wilhelms-University Munster, Germany
- Munster Germany
Postdoctoral Associate in Enzyme Biochemistry
- Cornell University
- Ithaca, NY
Genetic instabilities in human cancers
Christoph Lengauer1, Kenneth W. Kinzler1 & Bert Vogelstein1
Abstract
Whether and how human tumours are genetically unstable has been debated for decades. There is now evidence that most cancers may indeed be genetically unstable, but that the instability exists at two distinct levels. In a small subset of tumours, the instability is observed at the nucleotide level and results in base substitutions or deletions or insertions of a few nucleotides. In most other cancers, the instability is observed at the chromosome level, resulting in losses and gains of whole chromosomes or large portions thereof. Recognition and comparison of these instabilities are leading to new insights into tumour pathogenesis.
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