14324
Northern analysis demonstrated coordinate downregulation of alpha globin and gamma globin in addition to the two lineage-restricted transcription factors , SCL and GATA-1 .
 ( protein: transcription factors, None) , ( protein: alpha globin, None) , ( protein: gamma globin, None) , ( protein: GATA-1, None) , ( protein: SCL, 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: transcription factors, None) , ( protein: alpha globin, None) , ( protein: gamma globin, None) , ( protein: GATA-1, None) , ( protein: SCL, None) 