10896
Phorbol ester treatment of a pre-B cell line up-regulated CD19 expression , induced Egr-1 , and enhanced the footprint over the GC box.
 ( protein: CD19, None) , ( cell line: pre-B cell line, None) , ( protein: Egr-1, 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: CD19, None) , ( cell line: pre-B cell line, None) , ( protein: Egr-1, None) 