1734
Whereas anti- CD28 together with PMA increased the DNA binding and trans-activation activity of NF-kappa B , PMA -induced activation of AP-1 was significantly suppressed.
 ( protein: AP-1, None) , ( protein: CD28, None) , ( protein: NF-kappa B, None) , ( protein: anti- CD28, 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: AP-1, None) , ( protein: CD28, None) , ( protein: NF-kappa B, None) , ( protein: anti- CD28, None) 