11092
Here we demonstrate that B-1 lymphocytes constitutively express nuclear activated STAT3 , which is not expressed by unmanipulated conventional (B-2) lymphocytes .
 ( cell type: unmanipulated conventional (B-2) lymphocytes, None) , ( cell type: B-1 lymphocytes, None) , ( protein: nuclear activated STAT3, None) , ( protein: STAT3, 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 type: unmanipulated conventional (B-2) lymphocytes, None) , ( cell type: B-1 lymphocytes, None) , ( protein: nuclear activated STAT3, None) , ( protein: STAT3, None) 