1697
In this study, we demonstrate that nuclear factor (NF)-kappa B and NF-kappa B-like transcription factors are activated after cross-linking CD40 on resting human tonsillar B cells and on B cell lines .
 ( cell type: B cells, None) , ( protein: NF-kappa B-like transcription factors, None) , ( protein: nuclear factor (NF)-kappa B, None) , ( cell line: B cell lines, None) , ( protein: transcription factors, None) , ( cell type: human tonsillar B cells, 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:
 ( cell type: B cells, None) , ( protein: NF-kappa B-like transcription factors, None) , ( protein: nuclear factor (NF)-kappa B, None) , ( cell line: B cell lines, None) , ( protein: transcription factors, None) , ( cell type: human tonsillar B cells, None) , ( protein: CD40, None) 