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Review
. 2002 Mar-Apr;1(2):103-10.

The restriction point of the cell cycle

Affiliations
  • PMID: 12429916
Review

The restriction point of the cell cycle

Mikhail V Blagosklonny et al. Cell Cycle. 2002 Mar-Apr.

Abstract

As formulated in 1974, the concept of the restriction point of the cell cycle was based on cell biological experiments, yet allowing accurate molecular predictions and spurring a search for the restriction factor. Although cyclin D meets the criteria of the R-factor, the picture as outlined here is more interesting and far more complex. We discuss the relationship between the restriction knot and DNA damage-checkpoints. Finally, we discuss how loss of the restriction point in cancer leads to loss of checkpoint control and to insensitivity to antimitogens including some mechanism-based anticancer therapeutics.

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