Author: Nat Pernick, M.D. (see Authors page)

Revised: 4 December 2015, last major update October 2013

Copyright: (c) 2003-2015,, Inc.

PubMed Search: cyclins[title]
Table of Contents
Definition / General
Cite this page: Cyclins. website. Accessed October 26th, 2016.
Definition / General
  • Regulatory subunits of cyclin dependent kinases (CDKs)
  • Control the passage of proliferating cells through key checkpoints in the cell cycle (G1 to S, G2 to M) through overexpression of positive growth regulators such as cyclin dependent kinases (CDKs) and underexpression of inhibitory growth regulators, such as CDK inhibitors