12648
Also, gel mobility shift analyses using specific antiserum revealed decrease in the DNA-binding activity of an insulin gene transcription factor , PDX-1/IPF1/STF-1 .
 ( protein: PDX-1/IPF1/STF-1, None) , ( protein: insulin gene transcription factor, 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: PDX-1/IPF1/STF-1, None) , ( protein: insulin gene transcription factor, None) 