9382
In peripheral blood lymphocytes, expression of Trident mRNA was absent, but could be induced upon stimulation with mitogens in vitro.
 ( RNA: Trident mRNA, None) , ( protein: Trident, None) 
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:
 ( RNA: Trident mRNA, None) , ( protein: Trident, None) 