9790
To define the CD40 signaling components upstream of NF-kappa B activation and the functional consequences downstream of NF-kappa B activation , we examined mouse B cell transfectants expressing wild-type or mutant human CD40 .
 ( protein: NF-kappa B, None) , ( cell line: mouse B cell transfectants, None) , ( protein: NF-kappa B, None) , ( protein: CD40, 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: NF-kappa B, None) , ( cell line: mouse B cell transfectants, None) , ( protein: NF-kappa B, None) , ( protein: CD40, None) 