11369
Gene inactivation studies on the PU.1 , Ikaros and GATA-3 genes have revealed that their encoded factors are essential for the earliest commitment step into the B and T lymphoid lineages .
 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:
 None