7957
On the basis of nuclear localization and phosphorylation , we found that epithelial Stat1 (but not other control transcription factors ) was invariably activated in asthmatic compared with normal control or chronic bronchitis subjects .
 ( protein: epithelial Stat1, None) , ( protein: Stat1, None) , ( protein: transcription factors, 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:
 ( protein: epithelial Stat1, None) , ( protein: Stat1, None) , ( protein: transcription factors, None) 