13523
We have identified a 104-bp minimal promoter region of the NF-IL6 gene that is sufficient for basal and activation-dependent induction of transcription in U937 cells .
 ( DNA: NF-IL6 gene, None) , ( cell line: U937 cells, None) , ( DNA: 104-bp minimal promoter region, 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:
 ( DNA: NF-IL6 gene, None) , ( cell line: U937 cells, None) , ( DNA: 104-bp minimal promoter region, None) 