5917
In the synovial tissue , fully differentiated perivascular DC are found in close association with T cells and with B cell follicles , sometimes containing follicular DC .
 ( cell type: follicular DC, None) , ( cell type: T cells, None) , ( cell type: perivascular DC, None) , ( cell type: B cell follicles, 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: follicular DC, None) , ( cell type: T cells, None) , ( cell type: perivascular DC, None) , ( cell type: B cell follicles, None) 