5918
These perivascular DC migrate across the activated endothelium from blood and receive differentiative signals within the joint from monocyte-derived cytokines and CD40 -ligand+ T cells .
 ( cell type: perivascular DC, None) , ( cell type: T cells, None) , ( cell type: CD40 -ligand+ T cells, None) , ( protein: monocyte-derived cytokines, None) , ( protein: CD40, 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: perivascular DC, None) , ( cell type: T cells, None) , ( cell type: CD40 -ligand+ T cells, None) , ( protein: monocyte-derived cytokines, None) , ( protein: CD40, None) 