11751
In this study, we have characterized a cellular mutant, the 70/Z3-derived 1.3E2 murine pre-B cell line , that does not activate NF-kappaB in response to several stimuli.
 ( cell line: 70/Z3-derived 1.3E2 murine pre-B cell line, None) , ( protein: NF-kappaB, 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: 70/Z3-derived 1.3E2 murine pre-B cell line, None) , ( protein: NF-kappaB, None) 