4944
These studies identify EGR1 as an intermediary linking BCR -derived signals to the induction of CD44 .
 ( protein: CD44, None) , ( protein: BCR, None) , ( protein: EGR1, 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: CD44, None) , ( protein: BCR, None) , ( protein: EGR1, None) 