8070
In lymph nodes , expression of Bcl-6 protein is restricted to germinal center (GC) B-cells and 10% to 15% of CD3/CD4+ intrafollicular T cells .
 ( cell type: germinal center (GC) B-cells, None) , ( protein: Bcl-6, None) , ( cell type: CD3/CD4+ intrafollicular T cells, 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:
 ( cell type: germinal center (GC) B-cells, None) , ( protein: Bcl-6, None) , ( cell type: CD3/CD4+ intrafollicular T cells, None) 