6517
The NF90 protein was found to be expressed not only in T-cells , but also in nonimmune HeLa cells .
 ( cell line: nonimmune HeLa cells, None) , ( cell type: T-cells, None) , ( protein: NF90, 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: nonimmune HeLa cells, None) , ( cell type: T-cells, None) , ( protein: NF90, None) 