11792
In contrast to ionomycin treatment , exposure of cells to phorbol myristate acetate ( PMA ) plus anti-CD28 did not induce NFATc , indicating that under these conditions, interleukin-2 synthesis by these cells is apparently independent of NFATc .
 ( protein: interleukin-2, None) , ( protein: NFATc, None) , ( protein: anti-CD28, None) , ( protein: NFATc, 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:
 ( protein: interleukin-2, None) , ( protein: NFATc, None) , ( protein: anti-CD28, None) , ( protein: NFATc, None) 