3022
Immunohistochemical techniques were used to demonstrate that SP140 localized to the NB in differentiated HL60 and NB4 cells .
 ( cell line: HL60, None) , ( cell line: NB4 cells, None) , ( protein: SP140, 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: HL60, None) , ( cell line: NB4 cells, None) , ( protein: SP140, None) 