9749
In B cells , Egr-1 therefore plays a critical role in integrating the short-lived signal delivered by triggering of the Ag receptor into phenotypic changes, including repression of CD95 and CD23 transcription .
 ( protein: Egr-1, None) , ( protein: Ag receptor, None) , ( protein: CD23, None) , ( cell type: B cells, None) , ( protein: CD95, 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: Egr-1, None) , ( protein: Ag receptor, None) , ( protein: CD23, None) , ( cell type: B cells, None) , ( protein: CD95, None) 