13407
We have found that in nodular lymphocyte predominance HD ( NLPHD ) tumor cells consistently display the BCL-6 (+)/ syn-1 (-) phenotype , indicating their derivation from GC B cells .
 ( protein: BCL-6, None) , ( cell type: tumor cells, None) , ( cell type: GC B cells, None) , ( protein: syn-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: BCL-6, None) , ( cell type: tumor cells, None) , ( cell type: GC B cells, None) , ( protein: syn-1, None) 