385
The CHO-DR/ B7 / LFA-3 triple transfectant induced a further increase in AP-1 and NF-kappa B binding proteins compared with the double transfectants .
 ( cell line: CHO-DR/ B7 / LFA-3 triple transfectant, None) , ( cell line: double transfectants, None) , ( protein: LFA-3, None) , ( protein: B7, None) , ( protein: binding proteins, None) , ( protein: AP-1, None) , ( protein: NF-kappa B, 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:
 ( cell line: CHO-DR/ B7 / LFA-3 triple transfectant, None) , ( cell line: double transfectants, None) , ( protein: LFA-3, None) , ( protein: B7, None) , ( protein: binding proteins, None) , ( protein: AP-1, None) , ( protein: NF-kappa B, None) 