8504
In contrast, CD19 cross-linking in BLIN-1 cells resulted in the induction of NF-kappaB , but had no apparent effect on AP-1 -binding activity .
 ( cell line: BLIN-1 cells, None) , ( protein: AP-1, None) , ( protein: NF-kappaB, None) , ( protein: CD19, 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: BLIN-1 cells, None) , ( protein: AP-1, None) , ( protein: NF-kappaB, None) , ( protein: CD19, None) 