5741
They also indicate that abundant TCL1 expression in quiescent mantle zone B cells is down-regulated in activated germinal center follicular B cells in parallel to the known expression pattern of BCL-2 .
 ( protein: BCL-2, None) , ( cell type: mantle zone B cells, None) , ( cell type: quiescent mantle zone B cells, None) , ( cell type: germinal center follicular B cells, None) , ( protein: TCL1, 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: BCL-2, None) , ( cell type: mantle zone B cells, None) , ( cell type: quiescent mantle zone B cells, None) , ( cell type: germinal center follicular B cells, None) , ( protein: TCL1, None) 