14662
Thus, the GATA-2 transcription factor appears to play a role in regulating the self-renewal capacity of early erythroid progenitor cells .
 ( protein: GATA-2, None) , ( protein: GATA-2 transcription factor, None) , ( cell type: early erythroid progenitor cells, 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: GATA-2, None) , ( protein: GATA-2 transcription factor, None) , ( cell type: early erythroid progenitor cells, None) 