9240
Here we present evidence that a member(s) of the family of basic helix loop helix (bHLH) transcription factors determines lineage specification of NK/T cell progenitors .
 ( protein: basic helix loop helix (bHLH) transcription factors, None) , ( cell type: NK/T cell progenitors, 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: basic helix loop helix (bHLH) transcription factors, None) , ( cell type: NK/T cell progenitors, None) 