3818
The kinetics of JNK activation correlated with the expression of c-jun which was transient after stimulation with PMA plus ionophore and prolonged in response to PDTC , which also transiently induced c-fos .
 ( DNA: c-jun, None) , ( DNA: c-fos, None) , ( protein: JNK, 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:
 ( DNA: c-jun, None) , ( DNA: c-fos, None) , ( protein: JNK, None) 