6331
Notably, the nuclei of reactive CD3+/CD4+ T cells nearby to and rosetting around L&H cells in NLPHD were also strongly BCL-6 +, but lacked CD40 ligand ( CD40L ) expression .
 ( protein: BCL-6, None) , ( cell type: L&H cells, None) , ( protein: CD40 ligand, None) , ( cell type: reactive CD3+/CD4+ T cells, None) , ( protein: CD40L, 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: L&H cells, None) , ( protein: CD40 ligand, None) , ( cell type: reactive CD3+/CD4+ T cells, None) , ( protein: CD40L, None) 