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Cell Res. 2000 Mar;10(1):1-16.

Regulation of the G1 phase of the mammalian cell cycle.

Author information

1
Department of Immunology, Holland Laboratory for the Biomedical Sciences, American Red Cross, Rockville, MD, USA.

Abstract

In any multi-cellular organism, the balance between cell division and cell death maintains a constant cell number. Both cell division cycle and cell death are highly regulated events. Whether the cell will proceed through the cycle or not, depends upon whether the conditions required at the checkpoints during the cycle are fulfilled. In higher eucaryotic cells, such as mammalian cells, signals that arrest the cycle usually act at a G1 checkpoint. Cells that pass this restriction point are committed to complete the cycle. Regulation of the G1 phase of the cell cycle is extremely complex and involves many different families of proteins such as retinoblastoma family, cyclin dependent kinases, cyclins, and cyclin kinase inhibitors.

PMID:
10765979
DOI:
10.1038/sj.cr.7290031
[Indexed for MEDLINE]
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