7833
We have found that RS cells of all histologic categories of HIV- HD consistently display the BCL-6 (-)/syn-1(+) phenotype and thus reflect post-GC B cells .
 ( cell line: post-GC B cells, None) , ( cell line: RS cells, None) , ( protein: BCL-6, 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 line: post-GC B cells, None) , ( cell line: RS cells, None) , ( protein: BCL-6, None) 