12207
By contrast, UAS1 ( -140 to -87 ) was B cell specific and was the key determinant of the promoter's increased activity in B cell lines .
 ( DNA: -140 to -87, None) , ( cell line: B cell lines, None) , ( DNA: UAS1, 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: -140 to -87, None) , ( cell line: B cell lines, None) , ( DNA: UAS1, None) 