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p16 Tumor Suppressor

  • Alexander Kamb
  • Ken McCormack
Chapter
Part of the Cancer Drug Discovery and Development book series (CDD&D)

Abstract

p16, a protein named for its migration rate on denaturing gels, is a member of a class of functionally similar proteins called cyclin-dependent kinase inhibitors (CDKI). p16 and its relatives bind to CDKs and inhibit their kinase activity. Because cyclins and CDKs form the core of the cell cycle apparatus, p16 is positioned to directly regulate some of the most basic cell cycle decisions. In eukaryotic cells, the cell cycle is typically described in terms of four component phases: G1, S, G2, and M. Most regulation occurs at the G1—S and G2—M transitions. In higher eukaryotes, the G1 checkpoint is especially important. This is precisely where p16 acts, and its activity is biochemically and functionally linked to other regulators of the G1—S transition, including the wellknown cell cycle regulator (and tumor suppressor protein), Rb.

Keywords

Germ Line Homozygous Deletion Melanoma Risk Tumor Suppressor Pathway Dysplastic Nevus 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • Alexander Kamb
  • Ken McCormack

There are no affiliations available

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