11206
These observations provide further evidence to suggest a role for intracellular oxidant generation as a regulatory mechanism during cell cycle entry , and establish a link between oxidative signalling and other aspects of the intracellular signalling network that is activated in response to mitogenic stimulation .
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Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
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