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Cell Prolif. 2000 Oct;33(5):261-74.

Cell cycle checkpoints and their inactivation in human cancer.

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1
European Institute of Oncology, Milan, Italy. mmolinari@ieo.it

Abstract

Checkpoints are mechanisms that regulate progression through the cell cycle insuring that each step takes place only once and in the right sequence. Mutations of checkpoint proteins are frequent in all types of cancer as defects in cell cycle control can lead to genetic instability. This review will focus on three major areas of cell cycle transition control, with particular attention to the alterations found in human cancer. These areas include the G1/S transition, where most cancer-related defects occur, the G2/M checkpoint and its activation in response to DNA damage, and the spindle checkpoint.

[Indexed for MEDLINE]

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