Definition of cyclin in English:

Share this entry


Pronunciation: /ˈsʌɪklɪn/


Any of a number of proteins associated with the cycle of cell division which are thought to initiate certain processes of mitosis.
Example sentences
  • Proteasome degradation of cyclins involved in cell cycle regulation has been well documented.
  • Tyrosine kinases associated with cyclins have also been shown to be affected by vitamin K, which can lead to cell cycle arrest and cell death.
  • In general, cyclins are proteins that regulate the cell cycle by combining with cyclin dependent kinases to form an enzymatic complex.


1980s: from cycle + -in1.

For editors and proofreaders

Line breaks: cyc¦lin

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.